Add ability to sort apps

Apps can now be sorted by name and total/sent/received bytes.
The app sent/received bytes are now shown.

Closes #245

app/src/main/java/com/emanuelef/remote_capture/activities/MainActivity.java

@@ -702,7 +702,9 @@ public class MainActivity extends BaseActivity implements NavigationView.OnNavig
                 startExportSslkeylogfile();
         });
 
-        builder.create().show();
+        AlertDialog dialog = builder.create();
+        dialog.setCanceledOnTouchOutside(false);
+        dialog.show();
     }
 
     private void deletePcapFile(Uri pcapUri) {

app/src/main/java/com/emanuelef/remote_capture/adapters/AppsStatsAdapter.java

@@ -19,6 +19,7 @@
 
 package com.emanuelef.remote_capture.adapters;
 
+import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.SharedPreferences;
 import android.graphics.drawable.Drawable;
@@ -61,6 +62,14 @@ public class AppsStatsAdapter extends RecyclerView.Adapter<AppsStatsAdapter.View
     private List<AppStats> mStats;
     private final AppsResolver mApps;
     private AppStats mSelectedItem;
+    private SortField mSortField;
+
+    public enum SortField {
+        NAME,
+        TOTAL_BYTES,
+        BYTES_SENT,
+        BYTES_RCVD
+    }
 
     public class ViewHolder extends RecyclerView.ViewHolder {
         ImageView icon;
@@ -68,6 +77,7 @@ public class AppsStatsAdapter extends RecyclerView.Adapter<AppsStatsAdapter.View
         ImageView whitelistedFlag;
         ImageView tempUnblocked;
         TextView info;
+        TextView sent_rcvd;
         TextView traffic;
 
         ViewHolder(View itemView) {
@@ -78,6 +88,7 @@ public class AppsStatsAdapter extends RecyclerView.Adapter<AppsStatsAdapter.View
             whitelistedFlag = itemView.findViewById(R.id.whitelisted);
             tempUnblocked = itemView.findViewById(R.id.temp_unblocked);
             info = itemView.findViewById(R.id.app_info);
+            sent_rcvd = itemView.findViewById(R.id.sent_rcvd);
             traffic = itemView.findViewById(R.id.traffic);
         }
 
@@ -102,6 +113,7 @@ public class AppsStatsAdapter extends RecyclerView.Adapter<AppsStatsAdapter.View
             boolean isWhitelistedApp = mWhitelist.matchesApp(stats.getUid());
             boolean isWhitelistEnabled = Prefs.isFirewallEnabled(mContext, mPrefs) && Prefs.isFirewallWhitelistMode(mPrefs);
 
+            sent_rcvd.setText(mContext.getString(R.string.rcvd_and_sent, Utils.formatBytes(stats.rcvdBytes), Utils.formatBytes(stats.sentBytes)));
             traffic.setText(Utils.formatBytes(stats.sentBytes + stats.rcvdBytes));
             blockedFlag.setVisibility(isBlockedApp ? View.VISIBLE : View.GONE);
             whitelistedFlag.setVisibility(isWhitelistEnabled && isWhitelistedApp ? View.VISIBLE : View.GONE);
@@ -120,6 +132,7 @@ public class AppsStatsAdapter extends RecyclerView.Adapter<AppsStatsAdapter.View
         mListener = null;
         mStats = new ArrayList<>();
         mFirewallAvailable = Billing.newInstance(context).isFirewallVisible();
+        mSortField = SortField.NAME;
         setHasStableIds(true);
     }
 
@@ -198,6 +211,7 @@ public class AppsStatsAdapter extends RecyclerView.Adapter<AppsStatsAdapter.View
         mListener = listener;
     }
 
+    @SuppressLint("NotifyDataSetChanged")
     public void setStats(List<AppStats> stats) {
         Collections.sort(stats, (o1, o2) -> {
             AppDescriptor a1 = mApps.getAppByUid(o1.getUid(), 0);
@@ -212,10 +226,31 @@ public class AppsStatsAdapter extends RecyclerView.Adapter<AppsStatsAdapter.View
             if(a2 == null)
                 return 1;
 
-            return a1.compareTo(a2);
+            switch (mSortField) {
+                case TOTAL_BYTES:
+                    return -Long.compare(o1.rcvdBytes + o1.sentBytes,
+                            o2.rcvdBytes + o2.sentBytes);
+                case BYTES_SENT:
+                    return -Long.compare(o1.sentBytes, o2.sentBytes);
+                case BYTES_RCVD:
+                    return -Long.compare(o1.rcvdBytes, o2.rcvdBytes);
+                case NAME:
+                default:
+                    return a1.compareTo(a2);
+            }
         });
 
         mStats = stats;
         notifyDataSetChanged();
     }
+
+    public SortField getSortField() {
+        return mSortField;
+    }
+
+    @SuppressLint("NotifyDataSetChanged")
+    public void setSortField(SortField field) {
+        mSortField = field;
+        setStats(mStats);
+    }
 }

app/src/main/java/com/emanuelef/remote_capture/fragments/AppsFragment.java

@@ -48,6 +48,7 @@ import com.emanuelef.remote_capture.PCAPdroid;
 import com.emanuelef.remote_capture.R;
 import com.emanuelef.remote_capture.activities.AppDetailsActivity;
 import com.emanuelef.remote_capture.adapters.AppsStatsAdapter;
+import com.emanuelef.remote_capture.adapters.AppsStatsAdapter.SortField;
 import com.emanuelef.remote_capture.interfaces.ConnectionsListener;
 import com.emanuelef.remote_capture.model.AppStats;
 import com.emanuelef.remote_capture.model.Blocklist;
@@ -63,6 +64,7 @@ public class AppsFragment extends Fragment implements ConnectionsListener, MenuP
     private Handler mHandler;
     private boolean mRefreshApps;
     private boolean listenerSet;
+    private Menu mMenu;
 
     @Override
     public void onPause() {
@@ -122,14 +124,46 @@ public class AppsFragment extends Fragment implements ConnectionsListener, MenuP
         });
     }
 
+    private void refreshSortField() {
+        if((mMenu == null) || (mAdapter == null))
+            return;
+
+        SortField sortField = mAdapter.getSortField();
+        Log.d(TAG, "Sort field:" + sortField);
+
+        MenuItem byName = mMenu.findItem(R.id.sort_by_name);
+        MenuItem byTotalBytes = mMenu.findItem(R.id.sort_by_total_bytes);
+        MenuItem byBytesSent = mMenu.findItem(R.id.sort_by_bytes_sent);
+        MenuItem byBytesRcvd = mMenu.findItem(R.id.sort_by_bytes_rcvd);
+
+        // important: the checked item must first be unchecked
+        byName.setChecked(false);
+        byTotalBytes.setChecked(false);
+        byBytesSent.setChecked(false);
+        byBytesRcvd.setChecked(false);
+
+        if(sortField.equals(SortField.NAME))
+            byName.setChecked(true);
+        else if(sortField.equals(SortField.TOTAL_BYTES))
+            byTotalBytes.setChecked(true);
+        else if(sortField.equals(SortField.BYTES_SENT))
+            byBytesSent.setChecked(true);
+        else if(sortField.equals(SortField.BYTES_RCVD))
+            byBytesRcvd.setChecked(true);
+    }
+
     @Override
     public void onCreateMenu(@NonNull Menu menu, MenuInflater menuInflater) {
         menuInflater.inflate(R.menu.apps_menu, menu);
+        mMenu = menu;
+        refreshSortField();
     }
 
     @Override
     public boolean onMenuItemSelected(@NonNull MenuItem menuItem) {
-        if(menuItem.getItemId() == R.id.reset) {
+        int id = menuItem.getItemId();
+
+        if(id == R.id.reset) {
             new AlertDialog.Builder(requireContext())
                 .setMessage(R.string.reset_stats_confirm)
                 .setPositiveButton(R.string.yes, (dialog, whichButton) -> {
@@ -143,7 +177,24 @@ public class AppsFragment extends Fragment implements ConnectionsListener, MenuP
                 .show();
 
             return true;
+        } else if(id == R.id.sort_by_name) {
+            mAdapter.setSortField(SortField.NAME);
+            refreshSortField();
+            return true;
+        } else if(id == R.id.sort_by_total_bytes) {
+            mAdapter.setSortField(SortField.TOTAL_BYTES);
+            refreshSortField();
+            return true;
+        } else if(id == R.id.sort_by_bytes_sent) {
+            mAdapter.setSortField(SortField.BYTES_SENT);
+            refreshSortField();
+            return true;
+        } else if(id == R.id.sort_by_bytes_rcvd) {
+            mAdapter.setSortField(SortField.BYTES_RCVD);
+            refreshSortField();
+            return true;
         }
+
         return false;
     }
 

app/src/main/res/drawable/ic_sort.xml

@@ -0,0 +1,5 @@
+<vector android:autoMirrored="true" android:height="24dp"
+    android:tint="?attr/colorControlNormal" android:viewportHeight="24"
+    android:viewportWidth="24" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M3,18h6v-2L3,16v2zM3,6v2h18L21,6L3,6zM3,13h12v-2L3,11v2z"/>
+</vector>

app/src/main/res/layout/app_item.xml

@@ -12,19 +12,37 @@
 
     <ImageView
         android:id="@+id/icon"
+        tools:src="@drawable/ic_apps"
+        tools:tint="?attr/colorAccent"
         android:layout_width="40dp"
         android:layout_height="40dp"
         android:layout_margin="4dp" />
 
-    <TextView
+    <LinearLayout
+        android:orientation="vertical"
+        android:layout_marginStart="4dp"
         android:layout_width="0dp"
-        android:layout_height="fill_parent"
         android:layout_weight="0.5"
-        android:layout_marginStart="5dp"
-        tools:text="Example app"
-        android:maxLines="2"
-        android:gravity="center_vertical"
-        android:id="@+id/app_info"/>
+        android:layout_height="wrap_content">
+
+        <TextView
+            android:id="@+id/app_info"
+            android:textStyle="bold"
+            android:textSize="14sp"
+            android:ellipsize="end"
+            android:singleLine="true"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            tools:text="Example app" />
+
+        <TextView
+            android:id="@+id/sent_rcvd"
+            tools:text="@string/rcvd_and_sent"
+            android:textSize="12sp"
+            android:layout_marginTop="2dp"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content" />
+    </LinearLayout>
 
     <ImageView
         android:id="@+id/blocked"

app/src/main/res/menu/apps_menu.xml

@@ -3,9 +3,27 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto">
 
+    <item
+        android:title="@string/sort_by"
+        android:icon="@drawable/ic_sort"
+        app:showAsAction="ifRoom">
+        <menu>
+            <group android:id="@+id/sort_by" android:checkableBehavior="single">
+                <item android:id="@+id/sort_by_name"
+                    android:title="@string/app_name"/>
+                <item android:id="@+id/sort_by_total_bytes"
+                    android:title="@string/total_bytes"/>
+                <item android:id="@+id/sort_by_bytes_sent"
+                    android:title="@string/bytes_sent"/>
+                <item android:id="@+id/sort_by_bytes_rcvd"
+                    android:title="@string/bytes_rcvd"/>
+            </group>
+        </menu>
+    </item>
+
     <item
         android:id="@+id/reset"
         android:title="@string/reset"
         android:icon="@drawable/ic_reset"
-        app:showAsAction="ifRoom" />
+        app:showAsAction="ifRoom"/>
 </menu>

app/src/main/res/values/strings.xml

@@ -451,4 +451,6 @@
     <string name="many_rules_warning">You are trying to import many rules, which could make the app unresponsive during some interactions. Do you really want to continue?</string>
     <string name="pcapng_format">PCAPNG format</string>
     <string name="pcapng_format_summary">Dump packets in the PCAPNG dump format, which allows embedding TLS decryption secrets</string>
+    <string name="sort_by">Sort by</string>
+    <string name="total_bytes">Total bytes</string>
 </resources>