Added leak canary

ATTRIBUTION.md

@@ -42,3 +42,4 @@ FairEmail uses:
 * [Lato font](https://fonts.google.com/specimen/Lato). By Łukasz Dziedzic. [Apache License 2.0](https://fonts.google.com/specimen/Lato#license).
 * [Caladea font](https://fonts.google.com/specimen/Caladea). By Andrés Torresi, Carolina Giovanolli. [Apache License 2.0](https://fonts.google.com/specimen/Caladea#license).
 * [Apache Commons Compress](https://commons.apache.org/proper/commons-compress/). Copyright © 2002-2021 The Apache Software Foundation. All Rights Reserved. [Apache License 2.0](https://www.apache.org/licenses/).
+* [LeakCanary](https://github.com/square/leakcanary). Copyright 2015 Square, Inc. [Apache License 2.0](https://github.com/square/leakcanary/blob/main/LICENSE.txt).

app/build.gradle

@@ -385,6 +385,7 @@ dependencies {
     def rxjava2_version = "2.2.21"
     def svg_version = "1.4"
     def compress_version = "1.21"
+    def canary_version = "2.8.1"
 
     // https://developer.android.com/jetpack/androidx/releases/startup
     implementation "androidx.startup:startup-runtime:$startup_version"
@@ -585,4 +586,9 @@ dependencies {
     // https://commons.apache.org/proper/commons-compress/
     // https://mvnrepository.com/artifact/org.apache.commons/commons-compress
     implementation "org.apache.commons:commons-compress:$compress_version"
+
+    // https://github.com/square/leakcanary
+    // https://square.github.io/leakcanary/getting_started/
+    // https://mvnrepository.com/artifact/com.squareup.leakcanary/leakcanary-android
+    implementation "com.squareup.leakcanary:leakcanary-android:$canary_version"
 }

app/src/main/assets/ATTRIBUTION.md

@@ -42,3 +42,4 @@ FairEmail uses:
 * [Lato font](https://fonts.google.com/specimen/Lato). By Łukasz Dziedzic. [Apache License 2.0](https://fonts.google.com/specimen/Lato#license).
 * [Caladea font](https://fonts.google.com/specimen/Caladea). By Andrés Torresi, Carolina Giovanolli. [Apache License 2.0](https://fonts.google.com/specimen/Caladea#license).
 * [Apache Commons Compress](https://commons.apache.org/proper/commons-compress/). Copyright © 2002-2021 The Apache Software Foundation. All Rights Reserved. [Apache License 2.0](https://www.apache.org/licenses/).
+* [LeakCanary](https://github.com/square/leakcanary). Copyright 2015 Square, Inc. [Apache License 2.0](https://github.com/square/leakcanary/blob/main/LICENSE.txt).

app/src/main/java/eu/faircode/email/ApplicationEx.java

@@ -182,6 +182,7 @@ public class ApplicationEx extends Application
         });
 
         Log.setup(this);
+        Log.setupLeakCanary(crash_reports);
 
         upgrade(this);
 

app/src/main/java/eu/faircode/email/FragmentOptionsMisc.java

@@ -19,7 +19,6 @@ package eu.faircode.email;
     Copyright 2018-2022 by Marcel Bokhorst (M66B)
 */
 
-import android.app.Activity;
 import android.app.ActivityManager;
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
@@ -664,6 +663,7 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
                         .putBoolean("crash_reports", checked)
                         .apply();
                 Log.setCrashReporting(checked);
+                Log.setupLeakCanary(checked);
             }
         });
 

app/src/main/java/eu/faircode/email/Log.java

@@ -154,6 +154,7 @@ import javax.net.ssl.TrustManager;
 import javax.net.ssl.TrustManagerFactory;
 
 import io.requery.android.database.CursorWindowAllocationException;
+import leakcanary.LeakCanary;
 
 public class Log {
     private static Context ctx;
@@ -569,6 +570,18 @@ public class Log {
         }
     }
 
+    static void setupLeakCanary(boolean enabled) {
+        LeakCanary.Config config = LeakCanary.getConfig().newBuilder()
+                .dumpHeap(enabled && BuildConfig.DEBUG)
+                .build();
+        LeakCanary.setConfig(config);
+        LeakCanary.INSTANCE.showLeakDisplayActivityLauncherIcon(BuildConfig.DEBUG);
+    }
+
+    static void checkCanary() {
+        LeakCanary.INSTANCE.dumpHeap();
+    }
+
     static void logExtras(Intent intent) {
         if (intent != null)
             logBundle(intent.getExtras());

app/src/main/java/eu/faircode/email/ServiceSynchronize.java

@@ -1288,11 +1288,15 @@ public class ServiceSynchronize extends ServiceBase implements SharedPreferences
         PendingIntent piWhy = PendingIntentCompat.getActivity(
                 this, ActivityView.PI_WHY, why, PendingIntent.FLAG_UPDATE_CURRENT);
 
+        Intent dump = new Intent(this, ServiceUI.class).setAction("dump");
+        PendingIntent piDump = PendingIntentCompat.getService(
+                this, ServiceUI.PI_DUMP, dump, PendingIntent.FLAG_UPDATE_CURRENT);
+
         // Build notification
         NotificationCompat.Builder builder =
                 new NotificationCompat.Builder(this, "service")
                         .setSmallIcon(R.drawable.baseline_compare_arrows_white_24)
-                        .setContentIntent(piWhy)
+                        .setContentIntent(BuildConfig.DEBUG ? piDump : piWhy)
                         .setAutoCancel(false)
                         .setShowWhen(false)
                         .setPriority(NotificationCompat.PRIORITY_MIN)

app/src/main/java/eu/faircode/email/ServiceUI.java

@@ -58,6 +58,7 @@ public class ServiceUI extends IntentService {
     static final int PI_SNOOZE = 10;
     static final int PI_IGNORED = 11;
     static final int PI_DELETE = 12;
+    static final int PI_DUMP = 13;
 
     public ServiceUI() {
         this(ServiceUI.class.getName());
@@ -175,6 +176,10 @@ public class ServiceUI extends IntentService {
                     // ignore
                     break;
 
+                case "dump":
+                    Log.checkCanary();
+                    break;
+
                 default:
                     throw new IllegalArgumentException("Unknown UI action: " + parts[0]);
             }