From 472bd46b875943c19136dc8d05a4d187fb0c0584 Mon Sep 17 00:00:00 2001
From: hyb1996 <946994919@qq.com>
Date: Sun, 7 May 2017 23:32:53 +0800
Subject: [PATCH] Rename and refactor autojs to support future developing of
 other script language

---
 app/build.gradle                              |   8 +-
 .../stardust/scriptdroid/autojs/AutoJs.java   |  21 +-
 .../external/open/RunIntentActivity.java      |   6 +-
 .../stardust/scriptdroid/script/Scripts.java  |  21 +-
 .../ui/main/task/TaskListRecyclerView.java    |  12 +-
 autojs/src/main/AndroidManifest.xml           |   2 +-
 .../stardust/autojs/ScriptEngineService.java  |  51 +--
 .../autojs/ScriptEngineServiceBuilder.java    |  11 +-
 ....java => AbstractScriptEngineManager.java} |  52 +--
 .../autojs/engine/RhinoJavaScriptEngine.java  |  16 +-
 .../engine/RhinoJavaScriptEngineManager.java  |  43 +-
 ...avaScriptEngine.java => ScriptEngine.java} |   8 +-
 .../autojs/engine/ScriptEngineManager.java    |  33 ++
 .../execution/RunnableScriptExecution.java    |  18 +-
 .../ScriptExecuteActivity.java                |  32 +-
 .../autojs/execution/ScriptExecution.java     |   6 +-
 .../autojs/runtime/AbstractScriptRuntime.java |   4 +-
 .../autojs/runtime/ScriptRuntime.java         |   4 +-
 .../autojs/script/FileScriptSource.java       |  13 +
 .../stardust/autojs/script/ScriptSource.java  |  17 +
 .../autojs/script/ScriptSourceWithInit.java   |  33 --
 .../autojs/script/SequenceScriptSource.java   |  54 +++
 .../autojs/script/StringScriptSource.java     |  10 +
 .../java/com/stardust/automator/UiObject.java |   2 +-
 .../java/com/stardust/io/ConcatReader.java    | 424 ++++++++++++++++++
 25 files changed, 717 insertions(+), 184 deletions(-)
 rename autojs/src/main/java/com/stardust/autojs/engine/{JavaScriptEngineManager.java => AbstractScriptEngineManager.java} (55%)
 rename autojs/src/main/java/com/stardust/autojs/engine/{JavaScriptEngine.java => ScriptEngine.java} (73%)
 create mode 100644 autojs/src/main/java/com/stardust/autojs/engine/ScriptEngineManager.java
 rename autojs/src/main/java/com/stardust/autojs/{engine => execution}/ScriptExecuteActivity.java (72%)
 delete mode 100644 autojs/src/main/java/com/stardust/autojs/script/ScriptSourceWithInit.java
 create mode 100644 autojs/src/main/java/com/stardust/autojs/script/SequenceScriptSource.java
 create mode 100644 common/src/main/java/com/stardust/io/ConcatReader.java

diff --git a/app/build.gradle b/app/build.gradle
index bc4cba8f..9d689554 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -55,11 +55,11 @@ android {
     }
     dexcount {
         format = "list"
-        includeClasses = false
+        includeClasses = true
         includeFieldCount = true
-        includeTotalMethodCount = false
-        orderByMethodCount = false
-        verbose = false
+        includeTotalMethodCount = true
+        orderByMethodCount = true
+        verbose = true
         maxTreeDepth = Integer.MAX_VALUE
         teamCityIntegration = false
         enableForInstantRun = false
diff --git a/app/src/main/java/com/stardust/scriptdroid/autojs/AutoJs.java b/app/src/main/java/com/stardust/scriptdroid/autojs/AutoJs.java
index 63ae97a2..d09d9b3f 100644
--- a/app/src/main/java/com/stardust/scriptdroid/autojs/AutoJs.java
+++ b/app/src/main/java/com/stardust/scriptdroid/autojs/AutoJs.java
@@ -7,14 +7,18 @@ import android.support.annotation.Nullable;
 import com.stardust.autojs.ScriptEngineService;
 import com.stardust.autojs.ScriptEngineServiceBuilder;
 import com.stardust.autojs.engine.NodeJsJavaScriptEngineManager;
+import com.stardust.autojs.engine.ScriptEngineManager;
 import com.stardust.autojs.runtime.*;
 import com.stardust.automator.AccessibilityEventCommandHost;
 import com.stardust.automator.simple_action.SimpleActionPerformHost;
+import com.stardust.pio.PFile;
+import com.stardust.pio.UncheckedIOException;
 import com.stardust.scriptdroid.App;
 import com.stardust.scriptdroid.Pref;
 import com.stardust.scriptdroid.R;
 import com.stardust.scriptdroid.script.StorageScriptProvider;
 import com.stardust.scriptdroid.ui.console.StardustConsole;
+import com.stardust.util.AssetsCache;
 import com.stardust.util.Supplier;
 import com.stardust.util.UiHandler;
 import com.stardust.view.accessibility.AccessibilityInfoProvider;
@@ -25,6 +29,8 @@ import com.stardust.scriptdroid.tool.AccessibilityServiceTool;
 import com.stardust.scriptdroid.ui.console.JraskaConsole;
 import com.stardust.view.accessibility.AccessibilityServiceUtils;
 
+import java.io.IOException;
+
 
 /**
  * Created by Stardust on 2017/4/2.
@@ -33,6 +39,7 @@ import com.stardust.view.accessibility.AccessibilityServiceUtils;
 public class AutoJs implements AccessibilityBridge {
 
     private static AutoJs instance;
+    private static final String INIT_SCRIPT_PATH = "js/autojs_init.js";
 
     public static AutoJs getInstance() {
         return instance;
@@ -54,8 +61,7 @@ public class AutoJs implements AccessibilityBridge {
     private AutoJs(final Context context) {
         mUiHandler = new UiHandler(context);
         mAccessibilityInfoProvider = new AccessibilityInfoProvider(context.getPackageManager());
-        NodeJsJavaScriptEngineManager manager = new NodeJsJavaScriptEngineManager(context);
-        manager.setRequirePath(StorageScriptProvider.DEFAULT_DIRECTORY_PATH);
+        ScriptEngineManager manager = createScriptEngineManager(context);
         mScriptEngineService = new ScriptEngineServiceBuilder()
                 .uiHandler(mUiHandler)
                 .globalConsole(new JraskaConsole())
@@ -72,6 +78,17 @@ public class AutoJs implements AccessibilityBridge {
         mScriptEngineService.registerGlobalScriptExecutionListener(new ScriptExecutionGlobalListener());
     }
 
+    private NodeJsJavaScriptEngineManager createScriptEngineManager(Context context) {
+        NodeJsJavaScriptEngineManager manager = new NodeJsJavaScriptEngineManager(context);
+        manager.setRequirePath(StorageScriptProvider.DEFAULT_DIRECTORY_PATH);
+        try {
+            manager.setInitScript(PFile.read(context.getAssets().open(INIT_SCRIPT_PATH)));
+        } catch (IOException e) {
+            throw new UncheckedIOException(e);
+        }
+        return manager;
+    }
+
     private void addAccessibilityServiceDelegates() {
         AccessibilityWatchDogService.addDelegate(100, mAccessibilityInfoProvider);
         AccessibilityWatchDogService.addDelegate(300, mAccessibilityActionRecorder);
diff --git a/app/src/main/java/com/stardust/scriptdroid/external/open/RunIntentActivity.java b/app/src/main/java/com/stardust/scriptdroid/external/open/RunIntentActivity.java
index bc572cba..651d6ba6 100644
--- a/app/src/main/java/com/stardust/scriptdroid/external/open/RunIntentActivity.java
+++ b/app/src/main/java/com/stardust/scriptdroid/external/open/RunIntentActivity.java
@@ -6,10 +6,9 @@ import android.os.Bundle;
 import android.support.annotation.Nullable;
 import android.widget.Toast;
 
-import com.stardust.scriptdroid.autojs.AutoJs;
 import com.stardust.scriptdroid.script.PathChecker;
 import com.stardust.autojs.script.FileScriptSource;
-import com.stardust.autojs.script.ScriptSourceWithInit;
+import com.stardust.autojs.script.SequenceScriptSource;
 import com.stardust.autojs.script.ScriptSource;
 import com.stardust.autojs.script.StringScriptSource;
 import com.stardust.scriptdroid.external.CommonUtils;
@@ -41,7 +40,8 @@ public class RunIntentActivity extends Activity {
         if (path == null && script != null) {
             source = new StringScriptSource(script);
         } else if (path != null && new PathChecker(this).checkAndToastError(path)) {
-            source = new ScriptSourceWithInit(new StringScriptSource(script), new FileScriptSource(path));
+            ScriptSource fileScriptSource = new FileScriptSource(path);
+            source = new SequenceScriptSource(fileScriptSource.getName(), new StringScriptSource(script), fileScriptSource);
         }
         if (source != null) {
             Scripts.run(source);
diff --git a/app/src/main/java/com/stardust/scriptdroid/script/Scripts.java b/app/src/main/java/com/stardust/scriptdroid/script/Scripts.java
index cb199308..be221ea7 100644
--- a/app/src/main/java/com/stardust/scriptdroid/script/Scripts.java
+++ b/app/src/main/java/com/stardust/scriptdroid/script/Scripts.java
@@ -10,7 +10,7 @@ import com.stardust.autojs.execution.SimpleScriptExecutionListener;
 import com.stardust.autojs.runtime.ScriptInterruptedException;
 import com.stardust.autojs.script.FileScriptSource;
 import com.stardust.autojs.script.ScriptSource;
-import com.stardust.autojs.script.ScriptSourceWithInit;
+import com.stardust.autojs.script.SequenceScriptSource;
 import com.stardust.autojs.script.StringScriptSource;
 import com.stardust.scriptdroid.App;
 import com.stardust.scriptdroid.BuildConfig;
@@ -52,8 +52,6 @@ public class Scripts {
         }
 
     };
-    private static final String INIT_SCRIPT_PATH = "js/autojs_init.js";
-    private static ScriptSource initScriptSource;
 
 
     public static void openByOtherApps(String path) {
@@ -87,27 +85,16 @@ public class Scripts {
     }
 
     public static ScriptExecution run(ScriptSource source) {
-        return AutoJs.getInstance().getScriptEngineService().execute(wrappedWithInitSource(source));
-    }
-
-    private static ScriptSource wrappedWithInitSource(ScriptSource source) {
-        return new ScriptSourceWithInit(getInitScriptSource(), source);
+        return AutoJs.getInstance().getScriptEngineService().execute(source);
     }
 
     public static ScriptExecution runWithBroadcastSender(ScriptSource scriptSource) {
-        return AutoJs.getInstance().getScriptEngineService().execute(wrappedWithInitSource(scriptSource), BROADCAST_SENDER_SCRIPT_EXECUTION_LISTENER);
+        return AutoJs.getInstance().getScriptEngineService().execute(scriptSource, BROADCAST_SENDER_SCRIPT_EXECUTION_LISTENER);
     }
 
     public static ScriptExecution run(Context context, Sample file) {
         ScriptSource source = new StringScriptSource(file.name, AssetsCache.get(context.getAssets(), file.path));
-        return AutoJs.getInstance().getScriptEngineService().execute(wrappedWithInitSource(source));
+        return AutoJs.getInstance().getScriptEngineService().execute(source);
     }
 
-    private static ScriptSource getInitScriptSource() {
-        if(initScriptSource == null || BuildConfig.DEBUG){
-            String initScript = AssetsCache.get(App.getApp().getAssets(), INIT_SCRIPT_PATH);
-            initScriptSource = new StringScriptSource(initScript);
-        }
-        return initScriptSource;
-    }
 }
diff --git a/app/src/main/java/com/stardust/scriptdroid/ui/main/task/TaskListRecyclerView.java b/app/src/main/java/com/stardust/scriptdroid/ui/main/task/TaskListRecyclerView.java
index 4a6e0049..4771dc96 100644
--- a/app/src/main/java/com/stardust/scriptdroid/ui/main/task/TaskListRecyclerView.java
+++ b/app/src/main/java/com/stardust/scriptdroid/ui/main/task/TaskListRecyclerView.java
@@ -15,8 +15,8 @@ import com.stardust.autojs.ScriptEngineService;
 import com.stardust.autojs.execution.ScriptExecution;
 import com.stardust.autojs.execution.ScriptExecutionListener;
 import com.stardust.autojs.execution.SimpleScriptExecutionListener;
-import com.stardust.autojs.engine.JavaScriptEngine;
-import com.stardust.autojs.engine.JavaScriptEngineManager;
+import com.stardust.autojs.engine.ScriptEngine;
+import com.stardust.autojs.engine.AbstractScriptEngineManager;
 import com.stardust.autojs.script.ScriptSource;
 import com.stardust.scriptdroid.R;
 import com.stardust.scriptdroid.autojs.AutoJs;
@@ -29,7 +29,7 @@ import java.util.List;
  * Created by Stardust on 2017/3/24.
  */
 
-public class TaskListRecyclerView extends ThemeColorRecyclerView implements JavaScriptEngineManager.EngineLifecycleCallback {
+public class TaskListRecyclerView extends ThemeColorRecyclerView implements AbstractScriptEngineManager.EngineLifecycleCallback {
 
 
     private final OnClickListener mOnItemClickListenerProxy = new OnClickListener() {
@@ -52,7 +52,7 @@ public class TaskListRecyclerView extends ThemeColorRecyclerView implements Java
     };
 
 
-    private final List<JavaScriptEngine> mScriptEngines = new ArrayList<>();
+    private final List<ScriptEngine> mScriptEngines = new ArrayList<>();
     private Adapter mAdapter;
     private final ScriptEngineService mScriptEngineService = AutoJs.getInstance().getScriptEngineService();
     private ScriptExecutionListener mScriptExecutionListener = new SimpleScriptExecutionListener() {
@@ -129,7 +129,7 @@ public class TaskListRecyclerView extends ThemeColorRecyclerView implements Java
     }
 
     @Override
-    public void onEngineCreate(final JavaScriptEngine engine) {
+    public void onEngineCreate(final ScriptEngine engine) {
         synchronized (mScriptEngines) {
             post(new Runnable() {
                 @Override
@@ -142,7 +142,7 @@ public class TaskListRecyclerView extends ThemeColorRecyclerView implements Java
     }
 
     @Override
-    public void onEngineRemove(final JavaScriptEngine engine) {
+    public void onEngineRemove(final ScriptEngine engine) {
         post(new Runnable() {
             @Override
             public void run() {
diff --git a/autojs/src/main/AndroidManifest.xml b/autojs/src/main/AndroidManifest.xml
index dd8c2074..fc3b0229 100644
--- a/autojs/src/main/AndroidManifest.xml
+++ b/autojs/src/main/AndroidManifest.xml
@@ -6,7 +6,7 @@
     <application
         android:label="@string/app_name"
         >
-        <activity android:name=".engine.ScriptExecuteActivity"/>
+        <activity android:name=".execution.ScriptExecuteActivity"/>
     </application>
 
 </manifest>
diff --git a/autojs/src/main/java/com/stardust/autojs/ScriptEngineService.java b/autojs/src/main/java/com/stardust/autojs/ScriptEngineService.java
index 3df0c4f4..1835eb87 100644
--- a/autojs/src/main/java/com/stardust/autojs/ScriptEngineService.java
+++ b/autojs/src/main/java/com/stardust/autojs/ScriptEngineService.java
@@ -1,11 +1,11 @@
 package com.stardust.autojs;
 
 import android.content.Context;
-import android.util.Log;
 
-import com.stardust.autojs.engine.JavaScriptEngine;
-import com.stardust.autojs.engine.JavaScriptEngineManager;
-import com.stardust.autojs.engine.ScriptExecuteActivity;
+import com.stardust.autojs.engine.AbstractScriptEngineManager;
+import com.stardust.autojs.engine.ScriptEngine;
+import com.stardust.autojs.engine.ScriptEngineManager;
+import com.stardust.autojs.execution.ScriptExecuteActivity;
 import com.stardust.autojs.execution.ExecutionConfig;
 import com.stardust.autojs.execution.RunnableScriptExecution;
 import com.stardust.autojs.execution.ScriptExecution;
@@ -23,14 +23,9 @@ import com.stardust.util.UiHandler;
 import org.greenrobot.eventbus.EventBus;
 import org.greenrobot.eventbus.Subscribe;
 
-import java.text.DateFormat;
-import java.util.Arrays;
-import java.util.Date;
 import java.util.LinkedHashSet;
 import java.util.Set;
 
-import javax.microedition.khronos.opengles.GL;
-
 import static com.stardust.autojs.runtime.ScriptInterruptedException.causedByInterrupted;
 
 /**
@@ -63,7 +58,7 @@ public class ScriptEngineService {
     private final Context mContext;
     private UiHandler mUiHandler;
     private final Console mGlobalConsole;
-    private final JavaScriptEngineManager mJavaScriptEngineManager;
+    private final ScriptEngineManager mScriptEngineManager;
     private final EngineLifecycleObserver mEngineLifecycleObserver = new EngineLifecycleObserver();
     private ScriptExecutionObserver mScriptExecutionObserver = new ScriptExecutionObserver();
 
@@ -71,9 +66,9 @@ public class ScriptEngineService {
         mRuntimeSupplier = builder.mRuntimeSupplier;
         mUiHandler = builder.mUiHandler;
         mContext = mUiHandler.getContext();
-        mJavaScriptEngineManager = builder.mJavaScriptEngineManager;
+        mScriptEngineManager = builder.mScriptEngineManager;
         mGlobalConsole = builder.mGlobalConsole;
-        mJavaScriptEngineManager.setEngineLifecycleCallback(mEngineLifecycleObserver);
+        mScriptEngineManager.setEngineLifecycleCallback(mEngineLifecycleObserver);
         mScriptExecutionObserver.registerScriptExecutionListener(GLOBAL_LISTENER);
         EVENT_BUS.register(this);
     }
@@ -82,8 +77,8 @@ public class ScriptEngineService {
         return mGlobalConsole;
     }
 
-    public JavaScriptEngine createScriptEngine() {
-        JavaScriptEngine engine = mJavaScriptEngineManager.createEngine();
+    public ScriptEngine createScriptEngine() {
+        ScriptEngine engine = mScriptEngineManager.createEngine();
         return engine;
     }
 
@@ -91,11 +86,11 @@ public class ScriptEngineService {
         return mRuntimeSupplier.get();
     }
 
-    public void registerEngineLifecycleCallback(JavaScriptEngineManager.EngineLifecycleCallback engineLifecycleCallback) {
+    public void registerEngineLifecycleCallback(AbstractScriptEngineManager.EngineLifecycleCallback engineLifecycleCallback) {
         mEngineLifecycleObserver.registerCallback(engineLifecycleCallback);
     }
 
-    public void unregisterEngineLifecycleCallback(JavaScriptEngineManager.EngineLifecycleCallback engineLifecycleCallback) {
+    public void unregisterEngineLifecycleCallback(AbstractScriptEngineManager.EngineLifecycleCallback engineLifecycleCallback) {
         mEngineLifecycleObserver.unregisterCallback(engineLifecycleCallback);
     }
 
@@ -154,7 +149,7 @@ public class ScriptEngineService {
     }
 
     public int stopAll() {
-        return mJavaScriptEngineManager.stopAll();
+        return mScriptEngineManager.stopAll();
     }
 
 
@@ -167,43 +162,43 @@ public class ScriptEngineService {
     }
 
     public String[] getGlobalFunctions() {
-        return mJavaScriptEngineManager.getGlobalFunctions();
+        return mScriptEngineManager.getGlobalFunctions();
     }
 
-    public Set<JavaScriptEngine> getEngines() {
-        return mJavaScriptEngineManager.getEngines();
+    public Set<ScriptEngine> getEngines() {
+        return mScriptEngineManager.getEngines();
     }
 
-    private static class EngineLifecycleObserver implements JavaScriptEngineManager.EngineLifecycleCallback {
+    private static class EngineLifecycleObserver implements AbstractScriptEngineManager.EngineLifecycleCallback {
 
-        private final Set<JavaScriptEngineManager.EngineLifecycleCallback> mEngineLifecycleCallbacks = new LinkedHashSet<>();
+        private final Set<AbstractScriptEngineManager.EngineLifecycleCallback> mEngineLifecycleCallbacks = new LinkedHashSet<>();
 
         @Override
-        public void onEngineCreate(JavaScriptEngine engine) {
+        public void onEngineCreate(ScriptEngine engine) {
             synchronized (mEngineLifecycleCallbacks) {
-                for (JavaScriptEngineManager.EngineLifecycleCallback callback : mEngineLifecycleCallbacks) {
+                for (AbstractScriptEngineManager.EngineLifecycleCallback callback : mEngineLifecycleCallbacks) {
                     callback.onEngineCreate(engine);
                 }
             }
         }
 
         @Override
-        public void onEngineRemove(JavaScriptEngine engine) {
+        public void onEngineRemove(ScriptEngine engine) {
             synchronized (mEngineLifecycleCallbacks) {
-                for (JavaScriptEngineManager.EngineLifecycleCallback callback : mEngineLifecycleCallbacks) {
+                for (AbstractScriptEngineManager.EngineLifecycleCallback callback : mEngineLifecycleCallbacks) {
                     callback.onEngineRemove(engine);
                 }
             }
         }
 
-        void registerCallback(JavaScriptEngineManager.EngineLifecycleCallback callback) {
+        void registerCallback(AbstractScriptEngineManager.EngineLifecycleCallback callback) {
             synchronized (mEngineLifecycleCallbacks) {
                 mEngineLifecycleCallbacks.add(callback);
             }
 
         }
 
-        void unregisterCallback(JavaScriptEngineManager.EngineLifecycleCallback callback) {
+        void unregisterCallback(AbstractScriptEngineManager.EngineLifecycleCallback callback) {
             synchronized (mEngineLifecycleCallbacks) {
                 mEngineLifecycleCallbacks.remove(callback);
             }
diff --git a/autojs/src/main/java/com/stardust/autojs/ScriptEngineServiceBuilder.java b/autojs/src/main/java/com/stardust/autojs/ScriptEngineServiceBuilder.java
index f8286a2b..3d67f05a 100644
--- a/autojs/src/main/java/com/stardust/autojs/ScriptEngineServiceBuilder.java
+++ b/autojs/src/main/java/com/stardust/autojs/ScriptEngineServiceBuilder.java
@@ -1,8 +1,7 @@
 package com.stardust.autojs;
 
-import android.content.Context;
-
-import com.stardust.autojs.engine.JavaScriptEngineManager;
+import com.stardust.autojs.engine.AbstractScriptEngineManager;
+import com.stardust.autojs.engine.ScriptEngineManager;
 import com.stardust.autojs.runtime.ScriptRuntime;
 import com.stardust.autojs.runtime.api.Console;
 import com.stardust.util.Supplier;
@@ -15,7 +14,7 @@ import com.stardust.util.UiHandler;
 public class ScriptEngineServiceBuilder {
 
     Supplier<ScriptRuntime> mRuntimeSupplier;
-    JavaScriptEngineManager mJavaScriptEngineManager;
+    ScriptEngineManager mScriptEngineManager;
     Console mGlobalConsole;
     UiHandler mUiHandler;
 
@@ -33,8 +32,8 @@ public class ScriptEngineServiceBuilder {
         return this;
     }
 
-    public ScriptEngineServiceBuilder engineManger(JavaScriptEngineManager manager) {
-        mJavaScriptEngineManager = manager;
+    public ScriptEngineServiceBuilder engineManger(ScriptEngineManager manager) {
+        mScriptEngineManager = manager;
         return this;
     }
 
diff --git a/autojs/src/main/java/com/stardust/autojs/engine/JavaScriptEngineManager.java b/autojs/src/main/java/com/stardust/autojs/engine/AbstractScriptEngineManager.java
similarity index 55%
rename from autojs/src/main/java/com/stardust/autojs/engine/JavaScriptEngineManager.java
rename to autojs/src/main/java/com/stardust/autojs/engine/AbstractScriptEngineManager.java
index eecf4444..0d1f86cf 100644
--- a/autojs/src/main/java/com/stardust/autojs/engine/JavaScriptEngineManager.java
+++ b/autojs/src/main/java/com/stardust/autojs/engine/AbstractScriptEngineManager.java
@@ -17,37 +17,28 @@ import java.util.Set;
  * Created by Stardust on 2017/1/27.
  */
 
-public abstract class JavaScriptEngineManager {
+public abstract class AbstractScriptEngineManager implements ScriptEngineManager {
 
-    public interface EngineLifecycleCallback {
-
-        void onEngineCreate(JavaScriptEngine engine);
-
-        void onEngineRemove(JavaScriptEngine engine);
-    }
-
-    private static final String TAG = "JavaScriptEngineManager";
+    private static final String TAG = "AbstractScriptEngineManager";
 
     private Map<String, Object> mGlobalVariableMap = new HashMap<>();
-    private final Set<JavaScriptEngine> mEngines = new HashSet<>();
+    private final Set<ScriptEngine> mEngines = new HashSet<>();
     private EngineLifecycleCallback mEngineLifecycleCallback;
-    private final ScriptSource INIT_SCRIPT;
 
     private android.content.Context mContext;
 
-    public JavaScriptEngineManager(Context context) {
+    public AbstractScriptEngineManager(Context context) {
         mContext = context;
-        INIT_SCRIPT = new StringScriptSource(readInitScript());
     }
 
-    public JavaScriptEngine createEngine() {
-        JavaScriptEngine engine = createEngineInner();
+    public ScriptEngine createEngine() {
+        ScriptEngine engine = createEngineInner();
         putProperties(engine);
         addEngine(engine);
         return engine;
     }
 
-    private void addEngine(JavaScriptEngine engine) {
+    private void addEngine(ScriptEngine engine) {
         synchronized (mEngines) {
             mEngines.add(engine);
             if (mEngineLifecycleCallback != null) {
@@ -56,7 +47,7 @@ public abstract class JavaScriptEngineManager {
         }
     }
 
-    public void put(String varName, Object value) {
+    public void putGlobal(String varName, Object value) {
         mGlobalVariableMap.put(varName, value);
     }
 
@@ -64,11 +55,11 @@ public abstract class JavaScriptEngineManager {
         mEngineLifecycleCallback = engineLifecycleCallback;
     }
 
-    public Set<JavaScriptEngine> getEngines() {
+    public Set<ScriptEngine> getEngines() {
         return mEngines;
     }
 
-    protected abstract JavaScriptEngine createEngineInner();
+    protected abstract ScriptEngine createEngineInner();
 
     public abstract String[] getGlobalFunctions();
 
@@ -76,13 +67,13 @@ public abstract class JavaScriptEngineManager {
         return mContext;
     }
 
-    protected void putProperties(JavaScriptEngine engine) {
+    protected void putProperties(ScriptEngine engine) {
         for (Map.Entry<String, Object> variable : mGlobalVariableMap.entrySet()) {
             engine.put(variable.getKey(), variable.getValue());
         }
     }
 
-    void removeEngine(JavaScriptEngine engine) {
+    public void removeEngine(ScriptEngine engine) {
         synchronized (mEngines) {
             if (mEngines.remove(engine) && mEngineLifecycleCallback != null) {
                 mEngineLifecycleCallback.onEngineRemove(engine);
@@ -90,28 +81,11 @@ public abstract class JavaScriptEngineManager {
         }
     }
 
-    private String readInitScript() {
-        try {
-            return PFile.read(mContext.getAssets().open("javascript_engine_init.js"));
-        } catch (IOException e) {
-            throw new RuntimeException(e);
-        }
-    }
-
-    public ScriptSource getInitScript() {
-        if (BuildConfig.DEBUG) {
-            // 调试时不缓存INIT_SCRIPT否则修改javascript_engine_init.js后不会更新
-            return new StringScriptSource(readInitScript());
-        } else {
-            return INIT_SCRIPT;
-        }
-    }
-
 
     public int stopAll() {
         synchronized (mEngines) {
             int n = mEngines.size();
-            for (JavaScriptEngine engine : mEngines) {
+            for (ScriptEngine engine : mEngines) {
                 engine.forceStop();
             }
             return n;
diff --git a/autojs/src/main/java/com/stardust/autojs/engine/RhinoJavaScriptEngine.java b/autojs/src/main/java/com/stardust/autojs/engine/RhinoJavaScriptEngine.java
index 96719a20..7a840333 100644
--- a/autojs/src/main/java/com/stardust/autojs/engine/RhinoJavaScriptEngine.java
+++ b/autojs/src/main/java/com/stardust/autojs/engine/RhinoJavaScriptEngine.java
@@ -6,6 +6,7 @@ import com.stardust.autojs.rhino_android.AndroidContextFactory;
 import com.stardust.autojs.rhino_android.RhinoAndroidHelper;
 import com.stardust.autojs.runtime.ScriptInterruptedException;
 import com.stardust.autojs.script.ScriptSource;
+import com.stardust.pio.UncheckedIOException;
 
 import org.mozilla.javascript.Context;
 import org.mozilla.javascript.ContextFactory;
@@ -14,7 +15,8 @@ import org.mozilla.javascript.Scriptable;
 import org.mozilla.javascript.ScriptableObject;
 
 import java.io.File;
-import java.util.Hashtable;
+import java.io.IOException;
+import java.io.Reader;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
@@ -22,7 +24,7 @@ import java.util.concurrent.ConcurrentHashMap;
  * Created by Stardust on 2017/4/2.
  */
 
-public class RhinoJavaScriptEngine implements JavaScriptEngine {
+public class RhinoJavaScriptEngine implements ScriptEngine {
 
     private static final String LOG_TAG = "RhinoJavaScriptEngine";
 
@@ -48,7 +50,15 @@ public class RhinoJavaScriptEngine implements JavaScriptEngine {
 
     @Override
     public Object execute(ScriptSource source) {
-        return mContext.evaluateString(mScriptable, source.getScript(), "<script>", 1, null);
+        Reader reader = source.getScriptReader();
+        if (reader == null) {
+            return mContext.evaluateString(mScriptable, source.getScript(), "<script>", 1, null);
+        }
+        try {
+            return mContext.evaluateReader(mScriptable, source.getScriptReader(), "<script>", 1, null);
+        } catch (IOException e) {
+            throw new UncheckedIOException(e);
+        }
     }
 
     @Override
diff --git a/autojs/src/main/java/com/stardust/autojs/engine/RhinoJavaScriptEngineManager.java b/autojs/src/main/java/com/stardust/autojs/engine/RhinoJavaScriptEngineManager.java
index 5f5b6d96..15bc10e3 100644
--- a/autojs/src/main/java/com/stardust/autojs/engine/RhinoJavaScriptEngineManager.java
+++ b/autojs/src/main/java/com/stardust/autojs/engine/RhinoJavaScriptEngineManager.java
@@ -1,9 +1,11 @@
 package com.stardust.autojs.engine;
 
 
-import com.stardust.autojs.runtime.ScriptRuntime;
+import com.stardust.autojs.BuildConfig;
 import com.stardust.autojs.script.ScriptSource;
+import com.stardust.autojs.script.SequenceScriptSource;
 import com.stardust.autojs.script.StringScriptSource;
+import com.stardust.pio.PFile;
 
 import org.mozilla.javascript.Context;
 import org.mozilla.javascript.Scriptable;
@@ -25,12 +27,13 @@ import java.util.List;
  * Created by Stardust on 2017/3/1.
  */
 
-public class RhinoJavaScriptEngineManager extends JavaScriptEngineManager {
+public class RhinoJavaScriptEngineManager extends AbstractScriptEngineManager {
 
     private String[] mFunctions;
 
     private String mRequirePath = "";
-
+    private ScriptSource mCustomInitScript;
+    private ScriptSource mInitScript;
 
     public RhinoJavaScriptEngineManager(android.content.Context context) {
         super(context);
@@ -42,6 +45,38 @@ public class RhinoJavaScriptEngineManager extends JavaScriptEngineManager {
         return engine;
     }
 
+    public void setInitScript(String script) {
+        setInitScriptSource(new StringScriptSource(script));
+    }
+
+    public void setInitScriptSource(ScriptSource initScriptSource) {
+        if (BuildConfig.DEBUG) {
+            mCustomInitScript = initScriptSource;
+        } else {
+            mInitScript = new SequenceScriptSource("<init>", new StringScriptSource(readInitScript()), initScriptSource);
+        }
+    }
+
+    private String readInitScript() {
+        try {
+            return PFile.read(getContext().getAssets().open("javascript_engine_init.js"));
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    ScriptSource getInitScript() {
+        if (mInitScript == null || BuildConfig.DEBUG) {
+            // 调试时不缓存INIT_SCRIPT否则修改javascript_engine_init.js后不会更新
+            if (mCustomInitScript != null) {
+                mInitScript = new SequenceScriptSource("<init>", new StringScriptSource(readInitScript()), mCustomInitScript);
+            } else {
+                mInitScript = new StringScriptSource(readInitScript());
+            }
+        }
+        return mInitScript;
+    }
+
     public void setRequirePath(String requirePath) {
         mRequirePath = requirePath;
     }
@@ -64,7 +99,7 @@ public class RhinoJavaScriptEngineManager extends JavaScriptEngineManager {
     }
 
     private String[] getGlobalFunctionsInner() {
-        JavaScriptEngine engine = createEngine();
+        ScriptEngine engine = createEngine();
         ScriptSource source = new StringScriptSource("this", "this");
         engine.setTag("script", source);
         Scriptable scriptable = (Scriptable) engine.execute(source);
diff --git a/autojs/src/main/java/com/stardust/autojs/engine/JavaScriptEngine.java b/autojs/src/main/java/com/stardust/autojs/engine/ScriptEngine.java
similarity index 73%
rename from autojs/src/main/java/com/stardust/autojs/engine/JavaScriptEngine.java
rename to autojs/src/main/java/com/stardust/autojs/engine/ScriptEngine.java
index e3896352..525fe2a0 100644
--- a/autojs/src/main/java/com/stardust/autojs/engine/JavaScriptEngine.java
+++ b/autojs/src/main/java/com/stardust/autojs/engine/ScriptEngine.java
@@ -6,15 +6,15 @@ import com.stardust.autojs.script.ScriptSource;
  * Created by Stardust on 2017/4/2.
  * <p>
  * <p>
- * A JavaScriptEngine is created by {@link JavaScriptEngineManager#createEngine()}, and then can be
- * used to execute script with {@link JavaScriptEngine#execute(ScriptSource)} in the **same** thread.
+ * A ScriptEngine is created by {@link AbstractScriptEngineManager#createEngine()}, and then can be
+ * used to execute script with {@link ScriptEngine#execute(ScriptSource)} in the **same** thread.
  * When the execution finish successfully, the engine should be destroy in the thread that created it.
  * <p>
- * If you want to stop the engine in other threads, you should call {@link JavaScriptEngine#forceStop()}.
+ * If you want to stop the engine in other threads, you should call {@link ScriptEngine#forceStop()}.
  * It will throw a {@link com.stardust.autojs.runtime.ScriptStopException}.
  */
 
-public interface JavaScriptEngine {
+public interface ScriptEngine {
 
 
     void put(String name, Object value);
diff --git a/autojs/src/main/java/com/stardust/autojs/engine/ScriptEngineManager.java b/autojs/src/main/java/com/stardust/autojs/engine/ScriptEngineManager.java
new file mode 100644
index 00000000..23b5d18c
--- /dev/null
+++ b/autojs/src/main/java/com/stardust/autojs/engine/ScriptEngineManager.java
@@ -0,0 +1,33 @@
+package com.stardust.autojs.engine;
+
+import java.util.Set;
+
+/**
+ * Created by Stardust on 2017/5/7.
+ */
+
+public interface ScriptEngineManager {
+
+
+    interface EngineLifecycleCallback {
+
+        void onEngineCreate(ScriptEngine engine);
+
+        void onEngineRemove(ScriptEngine engine);
+    }
+
+    ScriptEngine createEngine();
+
+    void putGlobal(String varName, Object value);
+
+    void setEngineLifecycleCallback(EngineLifecycleCallback engineLifecycleCallback);
+
+    void removeEngine(ScriptEngine engine);
+
+    Set<ScriptEngine> getEngines();
+
+    String[] getGlobalFunctions();
+
+    int stopAll();
+
+}
diff --git a/autojs/src/main/java/com/stardust/autojs/execution/RunnableScriptExecution.java b/autojs/src/main/java/com/stardust/autojs/execution/RunnableScriptExecution.java
index 3638fbdd..fd8fcf5f 100644
--- a/autojs/src/main/java/com/stardust/autojs/execution/RunnableScriptExecution.java
+++ b/autojs/src/main/java/com/stardust/autojs/execution/RunnableScriptExecution.java
@@ -3,7 +3,7 @@ package com.stardust.autojs.execution;
 import android.util.Log;
 
 import com.stardust.autojs.ScriptEngineService;
-import com.stardust.autojs.engine.JavaScriptEngine;
+import com.stardust.autojs.engine.ScriptEngine;
 import com.stardust.autojs.runtime.ScriptRuntime;
 import com.stardust.autojs.script.ScriptSource;
 
@@ -14,7 +14,7 @@ import com.stardust.autojs.script.ScriptSource;
 public class RunnableScriptExecution extends ScriptExecution.AbstractScriptExecution implements ScriptExecution, Runnable {
 
     private static final String TAG = "RunnableScriptExecution";
-    private JavaScriptEngine mJavaScriptEngine;
+    private ScriptEngine mScriptEngine;
     private ScriptRuntime mScriptRuntime;
     private ScriptEngineService mScriptEngineService;
 
@@ -25,12 +25,12 @@ public class RunnableScriptExecution extends ScriptExecution.AbstractScriptExecu
 
     @Override
     public void run() {
-        mJavaScriptEngine = mScriptEngineService.createScriptEngine();
+        mScriptEngine = mScriptEngineService.createScriptEngine();
         mScriptRuntime = mScriptEngineService.createScriptRuntime();
-        execute(mScriptRuntime, mJavaScriptEngine);
+        execute(mScriptRuntime, mScriptEngine);
     }
 
-    private void execute(ScriptRuntime runtime, JavaScriptEngine engine) {
+    private void execute(ScriptRuntime runtime, ScriptEngine engine) {
         try {
             prepare(runtime, engine);
             doExecution(engine);
@@ -43,7 +43,7 @@ public class RunnableScriptExecution extends ScriptExecution.AbstractScriptExecu
         }
     }
 
-    private void prepare(ScriptRuntime runtime, JavaScriptEngine engine) {
+    private void prepare(ScriptRuntime runtime, ScriptEngine engine) {
         if ((getSource().getExecutionMode() & ScriptSource.EXECUTION_MODE_AUTO) != 0) {
             runtime.ensureAccessibilityServiceEnabled();
         }
@@ -51,15 +51,15 @@ public class RunnableScriptExecution extends ScriptExecution.AbstractScriptExecu
         engine.init();
     }
 
-    private void doExecution(JavaScriptEngine engine) {
+    private void doExecution(ScriptEngine engine) {
         engine.setTag("script", getSource());
         getListener().onStart(this);
         getListener().onSuccess(this, engine.execute(getSource()));
     }
 
     @Override
-    public JavaScriptEngine getEngine() {
-        return mJavaScriptEngine;
+    public ScriptEngine getEngine() {
+        return mScriptEngine;
     }
 
     @Override
diff --git a/autojs/src/main/java/com/stardust/autojs/engine/ScriptExecuteActivity.java b/autojs/src/main/java/com/stardust/autojs/execution/ScriptExecuteActivity.java
similarity index 72%
rename from autojs/src/main/java/com/stardust/autojs/engine/ScriptExecuteActivity.java
rename to autojs/src/main/java/com/stardust/autojs/execution/ScriptExecuteActivity.java
index 2761c10e..5c1e2f73 100644
--- a/autojs/src/main/java/com/stardust/autojs/engine/ScriptExecuteActivity.java
+++ b/autojs/src/main/java/com/stardust/autojs/execution/ScriptExecuteActivity.java
@@ -1,4 +1,4 @@
-package com.stardust.autojs.engine;
+package com.stardust.autojs.execution;
 
 import android.app.Activity;
 import android.content.Context;
@@ -6,9 +6,7 @@ import android.content.Intent;
 import android.os.Bundle;
 
 import com.stardust.autojs.ScriptEngineService;
-import com.stardust.autojs.execution.ScriptExecution;
-import com.stardust.autojs.execution.ScriptExecutionListener;
-import com.stardust.autojs.execution.ScriptExecutionTask;
+import com.stardust.autojs.engine.ScriptEngine;
 import com.stardust.autojs.runtime.ScriptRuntime;
 import com.stardust.autojs.script.ScriptSource;
 
@@ -21,7 +19,7 @@ public class ScriptExecuteActivity extends Activity {
 
     private static ActivityScriptExecution execution;
     private Object mResult;
-    private JavaScriptEngine mJavaScriptEngine;
+    private ScriptEngine mScriptEngine;
     private ScriptExecutionListener mExecutionListener;
     private ScriptSource mScriptSource;
 
@@ -39,7 +37,7 @@ public class ScriptExecuteActivity extends Activity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         mScriptSource = execution.getSource();
-        mJavaScriptEngine = execution.getEngine();
+        mScriptEngine = execution.getEngine();
         mExecutionListener = execution.getListener();
         runScript();
     }
@@ -55,15 +53,15 @@ public class ScriptExecuteActivity extends Activity {
     }
 
     private void doExecution() {
-        mJavaScriptEngine.setTag("script", mScriptSource);
+        mScriptEngine.setTag("script", mScriptSource);
         mExecutionListener.onStart(execution);
-        mResult = mJavaScriptEngine.execute(mScriptSource);
+        mResult = mScriptEngine.execute(mScriptSource);
     }
 
     private void prepare() {
-        mJavaScriptEngine.put("activity", this);
-        mJavaScriptEngine.put("__runtime__", execution.getRuntime());
-        mJavaScriptEngine.init();
+        mScriptEngine.put("activity", this);
+        mScriptEngine.put("__runtime__", execution.getRuntime());
+        mScriptEngine.init();
     }
 
     @Override
@@ -75,25 +73,25 @@ public class ScriptExecuteActivity extends Activity {
     @Override
     protected void onDestroy() {
         super.onDestroy();
-        mJavaScriptEngine.put("activity", null);
-        mJavaScriptEngine.destroy();
+        mScriptEngine.put("activity", null);
+        mScriptEngine.destroy();
         execution = null;
     }
 
     private static class ActivityScriptExecution extends ScriptExecution.AbstractScriptExecution {
 
-        private JavaScriptEngine mJavaScriptEngine;
+        private ScriptEngine mScriptEngine;
         private ScriptRuntime mScriptRuntime;
 
         ActivityScriptExecution(ScriptEngineService service, ScriptExecutionTask task) {
             super(task);
-            mJavaScriptEngine = service.createScriptEngine();
+            mScriptEngine = service.createScriptEngine();
             mScriptRuntime = service.createScriptRuntime();
         }
 
         @Override
-        public JavaScriptEngine getEngine() {
-            return mJavaScriptEngine;
+        public ScriptEngine getEngine() {
+            return mScriptEngine;
         }
 
         @Override
diff --git a/autojs/src/main/java/com/stardust/autojs/execution/ScriptExecution.java b/autojs/src/main/java/com/stardust/autojs/execution/ScriptExecution.java
index 009876bc..1ed33dac 100644
--- a/autojs/src/main/java/com/stardust/autojs/execution/ScriptExecution.java
+++ b/autojs/src/main/java/com/stardust/autojs/execution/ScriptExecution.java
@@ -1,6 +1,6 @@
 package com.stardust.autojs.execution;
 
-import com.stardust.autojs.engine.JavaScriptEngine;
+import com.stardust.autojs.engine.ScriptEngine;
 import com.stardust.autojs.runtime.ScriptRuntime;
 import com.stardust.autojs.script.ScriptSource;
 
@@ -10,7 +10,7 @@ import com.stardust.autojs.script.ScriptSource;
 
 public interface ScriptExecution {
 
-    JavaScriptEngine getEngine();
+    ScriptEngine getEngine();
 
     ScriptRuntime getRuntime();
 
@@ -29,7 +29,7 @@ public interface ScriptExecution {
         }
 
         @Override
-        public abstract JavaScriptEngine getEngine();
+        public abstract ScriptEngine getEngine();
 
         @Override
         public abstract ScriptRuntime getRuntime();
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/AbstractScriptRuntime.java b/autojs/src/main/java/com/stardust/autojs/runtime/AbstractScriptRuntime.java
index 54765f27..24a70e43 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/AbstractScriptRuntime.java
+++ b/autojs/src/main/java/com/stardust/autojs/runtime/AbstractScriptRuntime.java
@@ -1,6 +1,6 @@
 package com.stardust.autojs.runtime;
 
-import com.stardust.autojs.engine.JavaScriptEngine;
+import com.stardust.autojs.engine.ScriptEngine;
 import com.stardust.autojs.runtime.api.AbstractShell;
 import com.stardust.autojs.runtime.api.AppUtils;
 import com.stardust.autojs.runtime.api.Console;
@@ -52,7 +52,7 @@ public abstract class AbstractScriptRuntime {
     public abstract AbstractShell.Result shell(String cmd, int root);
 
     @JavascriptInterface
-    public abstract UiSelector selector(JavaScriptEngine engine);
+    public abstract UiSelector selector(ScriptEngine engine);
 
     @JavascriptInterface
     public abstract boolean isStopped();
diff --git a/autojs/src/main/java/com/stardust/autojs/runtime/ScriptRuntime.java b/autojs/src/main/java/com/stardust/autojs/runtime/ScriptRuntime.java
index 2b253cc7..2d816bbb 100644
--- a/autojs/src/main/java/com/stardust/autojs/runtime/ScriptRuntime.java
+++ b/autojs/src/main/java/com/stardust/autojs/runtime/ScriptRuntime.java
@@ -3,7 +3,7 @@ package com.stardust.autojs.runtime;
 import android.os.Build;
 
 import com.stardust.autojs.R;
-import com.stardust.autojs.engine.JavaScriptEngine;
+import com.stardust.autojs.engine.ScriptEngine;
 import com.stardust.autojs.rhino_android.AndroidClassLoader;
 import com.stardust.autojs.runtime.api.AbstractShell;
 import com.stardust.autojs.runtime.api.AppUtils;
@@ -72,7 +72,7 @@ public class ScriptRuntime extends AbstractScriptRuntime {
         return ProcessShell.execCommand(cmd, root != 0);
     }
 
-    public UiSelector selector(JavaScriptEngine engine) {
+    public UiSelector selector(ScriptEngine engine) {
         return new UiSelector(mAccessibilityBridge);
     }
 
diff --git a/autojs/src/main/java/com/stardust/autojs/script/FileScriptSource.java b/autojs/src/main/java/com/stardust/autojs/script/FileScriptSource.java
index 28c63161..1bf8208a 100644
--- a/autojs/src/main/java/com/stardust/autojs/script/FileScriptSource.java
+++ b/autojs/src/main/java/com/stardust/autojs/script/FileScriptSource.java
@@ -2,8 +2,12 @@ package com.stardust.autojs.script;
 
 import com.stardust.autojs.script.ScriptSource;
 import com.stardust.pio.PFile;
+import com.stardust.pio.UncheckedIOException;
 
 import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.Reader;
 
 /**
  * Created by Stardust on 2017/4/2.
@@ -35,6 +39,15 @@ public class FileScriptSource extends ScriptSource {
         return mScript;
     }
 
+    @Override
+    public Reader getScriptReader() {
+        try {
+            return new FileReader(mFile);
+        } catch (FileNotFoundException e) {
+            throw new UncheckedIOException(e);
+        }
+    }
+
     @Override
     public String toString() {
         return mFile.toString();
diff --git a/autojs/src/main/java/com/stardust/autojs/script/ScriptSource.java b/autojs/src/main/java/com/stardust/autojs/script/ScriptSource.java
index 4033913d..78719a10 100644
--- a/autojs/src/main/java/com/stardust/autojs/script/ScriptSource.java
+++ b/autojs/src/main/java/com/stardust/autojs/script/ScriptSource.java
@@ -1,10 +1,14 @@
 package com.stardust.autojs.script;
 
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
 import android.view.View;
 
 import com.stardust.util.MapEntries;
 
+import java.io.Reader;
 import java.io.Serializable;
+import java.io.StringReader;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
@@ -36,8 +40,21 @@ public abstract class ScriptSource implements Serializable {
         return mName;
     }
 
+    @NonNull
     public abstract String getScript();
 
+    @Nullable
+    public abstract Reader getScriptReader();
+
+    @NonNull
+    public Reader getNonNullScriptReader() {
+        Reader reader = getScriptReader();
+        if (reader == null) {
+            return new StringReader(getScript());
+        }
+        return reader;
+    }
+
     public int getExecutionMode() {
         if (mExecutionMode == -1) {
             mExecutionMode = parseExecutionMode(getScript());
diff --git a/autojs/src/main/java/com/stardust/autojs/script/ScriptSourceWithInit.java b/autojs/src/main/java/com/stardust/autojs/script/ScriptSourceWithInit.java
deleted file mode 100644
index c85257f1..00000000
--- a/autojs/src/main/java/com/stardust/autojs/script/ScriptSourceWithInit.java
+++ /dev/null
@@ -1,33 +0,0 @@
-package com.stardust.autojs.script;
-
-/**
- * Created by Stardust on 2017/4/2.
- */
-
-public class ScriptSourceWithInit extends ScriptSource {
-
-    private String mScript;
-    private ScriptSource mMainScriptSource;
-
-
-    public ScriptSourceWithInit(ScriptSource initScriptSource, ScriptSource mainScriptSource) {
-        super(mainScriptSource.getName());
-        mMainScriptSource = mainScriptSource;
-        StringBuilder stringBuilder = new StringBuilder();
-        if (initScriptSource.getScript() != null)
-            stringBuilder.append(initScriptSource.getScript()).append("\n");
-        stringBuilder.append(mainScriptSource.getScript());
-        mScript = stringBuilder.toString();
-    }
-
-    @Override
-    public String getScript() {
-        return mScript;
-    }
-
-    @Override
-    public String toString() {
-        return mMainScriptSource.toString();
-    }
-
-}
diff --git a/autojs/src/main/java/com/stardust/autojs/script/SequenceScriptSource.java b/autojs/src/main/java/com/stardust/autojs/script/SequenceScriptSource.java
new file mode 100644
index 00000000..a5d9aea8
--- /dev/null
+++ b/autojs/src/main/java/com/stardust/autojs/script/SequenceScriptSource.java
@@ -0,0 +1,54 @@
+package com.stardust.autojs.script;
+
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+
+import com.stardust.io.ConcatReader;
+
+import java.io.Reader;
+import java.io.StringReader;
+
+/**
+ * Created by Stardust on 2017/4/2.
+ */
+
+public class SequenceScriptSource extends ScriptSource {
+
+    private String mScript;
+    private ScriptSource mSecondScriptSource;
+    private ScriptSource mFirstScriptSource;
+
+
+    public SequenceScriptSource(String name, ScriptSource firstScriptSource, ScriptSource secondScriptSource) {
+        super(name);
+        mSecondScriptSource = secondScriptSource;
+        mFirstScriptSource = firstScriptSource;
+    }
+
+    @NonNull
+    @Override
+    public String getScript() {
+        concatScriptsIfNeeded();
+        return mScript;
+    }
+
+    private void concatScriptsIfNeeded() {
+        if (mScript != null)
+            return;
+        mScript = mFirstScriptSource.getScript() + mSecondScriptSource.getScript();
+    }
+
+    @Nullable
+    @Override
+    public Reader getScriptReader() {
+        if (mScript != null)
+            return new StringReader(mScript);
+        return new ConcatReader(mFirstScriptSource.getNonNullScriptReader(), mSecondScriptSource.getNonNullScriptReader());
+    }
+
+    @Override
+    public String toString() {
+        return mSecondScriptSource.toString();
+    }
+
+}
diff --git a/autojs/src/main/java/com/stardust/autojs/script/StringScriptSource.java b/autojs/src/main/java/com/stardust/autojs/script/StringScriptSource.java
index 68de27fd..43def31c 100644
--- a/autojs/src/main/java/com/stardust/autojs/script/StringScriptSource.java
+++ b/autojs/src/main/java/com/stardust/autojs/script/StringScriptSource.java
@@ -1,6 +1,10 @@
 package com.stardust.autojs.script;
 
 
+import android.support.annotation.Nullable;
+
+import java.io.Reader;
+
 /**
  * Created by Stardust on 2017/4/2.
  */
@@ -24,4 +28,10 @@ public class StringScriptSource extends ScriptSource {
         return mScript;
     }
 
+    @Nullable
+    @Override
+    public Reader getScriptReader() {
+        return null;
+    }
+
 }
diff --git a/automator/src/main/java/com/stardust/automator/UiObject.java b/automator/src/main/java/com/stardust/automator/UiObject.java
index c979a0d7..013b2666 100644
--- a/automator/src/main/java/com/stardust/automator/UiObject.java
+++ b/automator/src/main/java/com/stardust/automator/UiObject.java
@@ -1,5 +1,6 @@
 package com.stardust.automator;
 
+import android.app.UiAutomation;
 import android.graphics.Rect;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
@@ -89,7 +90,6 @@ public class UiObject extends AccessibilityNodeInfoCompat {
             // FIXME: 2017/5/5
             return null;
         }
-
     }
 
     public UiObjectCollection find(UiGlobalSelector selector) {
diff --git a/common/src/main/java/com/stardust/io/ConcatReader.java b/common/src/main/java/com/stardust/io/ConcatReader.java
new file mode 100644
index 00000000..3e6ef327
--- /dev/null
+++ b/common/src/main/java/com/stardust/io/ConcatReader.java
@@ -0,0 +1,424 @@
+package com.stardust.io;
+
+
+/*
+ * Copyright (C) 2004 Stephen Ostermiller
+ * http://ostermiller.org/contact.pl?regarding=Java+Utilities
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * See COPYING.TXT for details.
+ */
+
+import java.io.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+
+/**
+ * A reader which reads sequentially from multiple sources.
+ * More information about this class is available from <a target="_top" href=
+ * "http://ostermiller.org/utils/">ostermiller.org</a>.
+ *
+ * @author Stephen Ostermiller http://ostermiller.org/contact.pl?regarding=Java+Utilities
+ * @since ostermillerutils 1.04.00
+ */
+public class ConcatReader extends Reader {
+
+    /**
+     * Current index to readerQueue
+     *
+     * @since ostermillerutils 1.04.01
+     */
+    private int readerQueueIndex = 0;
+
+    /**
+     * Queue of readers that have yet to be read from.
+     *
+     * @since ostermillerutils 1.04.01
+     */
+    private ArrayList<Reader> readerQueue = new ArrayList<>();
+
+    /**
+     * A cache of the current reader from the readerQueue
+     * to avoid unneeded access to the queue which must
+     * be synchronized.
+     *
+     * @since ostermillerutils 1.04.01
+     */
+    private Reader currentReader = null;
+
+    /**
+     * true iff the client may add more readers.
+     *
+     * @since ostermillerutils 1.04.01
+     */
+    private boolean doneAddingReaders = false;
+
+
+    /**
+     * Causes the addReader method to throw IllegalStateException
+     * and read() methods to return -1 (end of stream)
+     * when there is no more available data.
+     * <p>
+     * Calling this method when this class is no longer accepting
+     * more readers has no effect.
+     *
+     * @since ostermillerutils 1.04.01
+     */
+    public void lastReaderAdded() {
+        doneAddingReaders = true;
+    }
+
+    /**
+     * Add the given reader to the queue of readers from which to
+     * concatenate data.
+     *
+     * @param in Reader to add to the concatenation.
+     * @throws IllegalStateException if more readers can't be added because lastReaderAdded() has been called, close() has been called, or a constructor with reader parameters was used.
+     * @since ostermillerutils 1.04.01
+     */
+    public void addReader(Reader in) {
+        synchronized (readerQueue) {
+            if (in == null) throw new NullPointerException();
+            if (closed) throw new IllegalStateException("ConcatReader has been closed");
+            if (doneAddingReaders)
+                throw new IllegalStateException("Cannot add more readers - the last reader has already been added.");
+            readerQueue.add(in);
+        }
+    }
+
+    /**
+     * Add the given reader to the queue of readers from which to
+     * concatenate data.
+     *
+     * @param in Reader to add to the concatenation.
+     * @throws IllegalStateException if more readers can't be added because lastReaderAdded() has been called, close() has been called, or a constructor with reader parameters was used.
+     * @throws NullPointerException  the array of readers, or any of the contents is null.
+     * @since ostermillerutils 1.04.01
+     */
+    public void addReaders(Reader[] in) {
+        for (Reader element : in) {
+            addReader(element);
+        }
+    }
+
+    /**
+     * Gets the current reader, looking at the next
+     * one in the list if the current one is null.
+     *
+     * @since ostermillerutils 1.04.01
+     */
+    private Reader getCurrentReader() {
+        if (currentReader == null && readerQueueIndex < readerQueue.size()) {
+            synchronized (readerQueue) {
+                // reader queue index is advanced only by the nextReader()
+                // method.  Don't do it here.
+                currentReader = readerQueue.get(readerQueueIndex);
+            }
+        }
+        return currentReader;
+    }
+
+    /**
+     * Indicate that we are done with the current reader and we should
+     * advance to the next reader.
+     *
+     * @since ostermillerutils 1.04.01
+     */
+    private void advanceToNextReader() {
+        currentReader = null;
+        readerQueueIndex++;
+    }
+
+    /**
+     * True iff this the close() method has been called on this stream.
+     *
+     * @since ostermillerutils 1.04.00
+     */
+    private boolean closed = false;
+
+    /**
+     * Create a new reader that can dynamically accept new sources.
+     * <p>
+     * New sources should be added using the addReader() method.
+     * When all sources have been added the lastReaderAdded() should
+     * be called so that read methods can return -1 (end of stream).
+     * <p>
+     * Adding new sources may by interleaved with read calls.
+     *
+     * @since ostermillerutils 1.04.01
+     */
+    public ConcatReader() {
+        // Empty Constructor
+    }
+
+    /**
+     * Create a new reader with one source.
+     * <p>
+     * When using this constructor, more readers cannot
+     * be added later, and calling addReader() will
+     * throw an illegal state Exception.
+     *
+     * @param in reader to use as a source.
+     * @throws NullPointerException if in is null
+     * @since ostermillerutils 1.04.00
+     */
+    public ConcatReader(Reader in) {
+        addReader(in);
+        lastReaderAdded();
+    }
+
+    /**
+     * Create a new reader with two sources.
+     * <p>
+     * When using this constructor, more readers cannot
+     * be added later, and calling addReader() will
+     * throw an illegal state Exception.
+     *
+     * @param in1 first reader to use as a source.
+     * @param in2 second reader to use as a source.
+     * @throws NullPointerException if either source is null.
+     * @since ostermillerutils 1.04.00
+     */
+    public ConcatReader(Reader in1, Reader in2) {
+        addReader(in1);
+        addReader(in2);
+        lastReaderAdded();
+    }
+
+    /**
+     * Create a new reader with an arbitrary number of sources.
+     * <p>
+     * When using this constructor, more readers cannot
+     * be added later, and calling addReader() will
+     * throw an illegal state Exception.
+     *
+     * @param in readers to use as a sources.
+     * @throws NullPointerException if the input array on any element is null.
+     * @since ostermillerutils 1.04.00
+     */
+    public ConcatReader(Reader[] in) {
+        addReaders(in);
+        lastReaderAdded();
+    }
+
+    /**
+     * Read a single character. This method will block until a
+     * character is available, an I/O error occurs, or the end of all underlying
+     * streams are reached.
+     * <p>
+     * If this class in not done accepting readers and the end of the last known
+     * stream is reached, this method will block forever unless another thread
+     * adds a reader or interrupts.
+     *
+     * @return The character read, as an integer in the range 0 to 65535 (0x00-0xffff),
+     * or -1 if the end of the stream has been reached
+     * @throws IOException - If an I/O error occurs
+     * @since ostermillerutils 1.04.00
+     */
+    @Override
+    public int read() throws IOException {
+        if (closed) throw new IOException("Reader closed");
+        int r = -1;
+        while (r == -1) {
+            Reader in = getCurrentReader();
+            if (in == null) {
+                if (doneAddingReaders) return -1;
+                try {
+                    Thread.sleep(100);
+                } catch (InterruptedException iox) {
+                    throw new IOException("Interrupted");
+                }
+            } else {
+                r = in.read();
+                if (r == -1) advanceToNextReader();
+            }
+        }
+        return r;
+    }
+
+    /**
+     * Read characters into an array. This method will block until some input is available, an
+     * I/O error occurs, or the end of all underlying
+     * streams are reached.
+     * <p>
+     * If this class in not done accepting readers and the end of the last known
+     * stream is reached, this method will block forever unless another thread
+     * adds a reader or interrupts.
+     *
+     * @param cbuf - Destination buffer
+     * @return The number of characters read, or -1 if the end of the stream has been reached
+     * @throws IOException          - If an I/O error occurs
+     * @throws NullPointerException - If the buffer is null.
+     * @since ostermillerutils 1.04.00
+     */
+    @Override
+    public int read(char[] cbuf) throws IOException {
+        return read(cbuf, 0, cbuf.length);
+    }
+
+    /**
+     * Read characters into a portion of an array. This method will block until
+     * some input is available, an I/O error occurs, or the end of all underlying
+     * streams are reached.
+     * <p>
+     * If this class in not done accepting readers and the end of the last known
+     * stream is reached, this method will block forever unless another thread
+     * adds a reader or interrupts.
+     *
+     * @param cbuf Destination buffer
+     * @param off  Offset at which to start storing characters
+     * @param len  Maximum number of characters to read
+     * @return The number of characters read, or -1 if the end of the stream has been reached
+     * @throws IOException               - If an I/O error occurs
+     * @throws NullPointerException      - If the buffer is null.
+     * @throws IndexOutOfBoundsException - if length or offset are not possible.
+     * @since ostermillerutils 1.04.00
+     */
+    @Override
+    public int read(char[] cbuf, int off, int len) throws IOException {
+        if (off < 0 || len < 0 || off + len > cbuf.length) throw new IndexOutOfBoundsException();
+        if (closed) throw new IOException("Reader closed");
+        int r = -1;
+        while (r == -1) {
+            Reader in = getCurrentReader();
+            if (in == null) {
+                if (doneAddingReaders) return -1;
+                try {
+                    Thread.sleep(100);
+                } catch (InterruptedException iox) {
+                    throw new IOException("Interrupted");
+                }
+            } else {
+                r = in.read(cbuf, off, len);
+                if (r == -1) advanceToNextReader();
+            }
+        }
+        return r;
+    }
+
+    /**
+     * Skip characters. This method will block until some characters are
+     * available, an I/O error occurs, or the end of the stream is reached.
+     * <p>
+     * If this class in not done accepting readers and the end of the last known
+     * stream is reached, this method will block forever unless another thread
+     * adds a reader or interrupts.
+     *
+     * @param n the number of characters to skip
+     * @return The number of characters actually skipped
+     * @throws IllegalArgumentException If n is negative.
+     * @throws IOException              If an I/O error occurs
+     * @since ostermillerutils 1.04.00
+     */
+    @Override
+    public long skip(long n) throws IOException {
+        if (closed) throw new IOException("Reader closed");
+        if (n <= 0) return 0;
+        long s = -1;
+        while (s <= 0) {
+            Reader in = getCurrentReader();
+            if (in == null) {
+                if (doneAddingReaders) return 0;
+                try {
+                    Thread.sleep(100);
+                } catch (InterruptedException iox) {
+                    throw new IOException("Interrupted");
+                }
+            } else {
+                s = in.skip(n);
+                // When nothing was skipped it is a bit of a puzzle.
+                // The most common cause is that the end of the underlying
+                // stream was reached.  In which case calling skip on it
+                // will always return zero.  If somebody were calling skip
+                // until it skipped everything they needed, there would
+                // be an infinite loop if we were to return zero here.
+                // If we get zero, let us try to read one character so
+                // we can see if we are at the end of the stream.  If so,
+                // we will move to the next.
+                if (s <= 0) {
+                    // read() will advance to the next stream for us, so don't do it again
+                    s = ((read() == -1) ? -1 : 1);
+                }
+            }
+
+        }
+        return s;
+    }
+
+    /**
+     * Tell whether this stream is ready to be read.
+     *
+     * @return True if the next read() is guaranteed not to block for input,
+     * false otherwise. Note that returning false does not guarantee that the next
+     * read will block.
+     * @throws IOException If an I/O error occurs
+     * @since ostermillerutils 1.04.00
+     */
+    @Override
+    public boolean ready() throws IOException {
+        if (closed) throw new IOException("Reader closed");
+        Reader in = getCurrentReader();
+        if (in == null) return false;
+        return in.ready();
+    }
+
+    /**
+     * Close the stream and any underlying streams.
+     * Once a stream has been closed, further read(), ready(), mark(), or reset()
+     * invocations will throw an IOException. Closing a previously-closed stream,
+     * however, has no effect.
+     *
+     * @throws IOException If an I/O error occurs
+     * @since ostermillerutils 1.04.00
+     */
+    @Override
+    public void close() throws IOException {
+        if (closed) return;
+        for (Reader reader : readerQueue) {
+            reader.close();
+        }
+        closed = true;
+    }
+
+    /**
+     * Mark not supported.
+     *
+     * @throws IOException because mark is not supported.
+     * @since ostermillerutils 1.04.00
+     */
+    @Override
+    public void mark(int readlimit) throws IOException {
+        throw new IOException("Mark not supported");
+    }
+
+    /**
+     * Reset not supported.
+     *
+     * @throws IOException because reset is not supported.
+     * @since ostermillerutils 1.04.00
+     */
+    @Override
+    public void reset() throws IOException {
+        throw new IOException("Reset not supported");
+    }
+
+    /**
+     * Mark not supported.
+     *
+     * @return false
+     * @since ostermillerutils 1.04.00
+     */
+    @Override
+    public boolean markSupported() {
+        return false;
+    }
+}
\ No newline at end of file