Add LeakCanary

build.gradle

@@ -97,6 +97,10 @@ dependencies {
     apt 'com.jakewharton:butterknife-compiler:8.1.0'
     compile 'com.jakewharton:butterknife:8.1.0'
 
+    debugCompile 'com.squareup.leakcanary:leakcanary-android:1.4-beta2'
+    releaseCompile 'com.squareup.leakcanary:leakcanary-android-no-op:1.4-beta2'
+    testCompile 'com.squareup.leakcanary:leakcanary-android-no-op:1.4-beta2'
+
     compile 'com.nononsenseapps:filepicker:2.5.2'
     compile 'com.android.support:design:24.0.0'
     compile 'com.android.support:support-v13:24.0.0'

proguard.pro

@@ -24,3 +24,12 @@
 -dontwarn javax.inject.**
 -dontwarn com.google.j2objc.annotations.**
 -dontwarn org.codehaus.mojo.animal_sniffer.IgnoreJRERequirement
+
+# https://github.com/square/leakcanary/blob/457175960e341658fc908ee12a9bf803bca63a23/leakcanary-android/consumer-proguard-rules.pro
+-dontwarn com.squareup.haha.guava.**
+-dontwarn com.squareup.haha.perflib.**
+-dontwarn com.squareup.haha.trove.**
+-dontwarn com.squareup.leakcanary.**
+-keep class com.squareup.haha.** { *; }
+-keep class com.squareup.leakcanary.** { *; }
+-dontwarn android.app.Notification

src/main/java/org/tasks/Tasks.java

@@ -3,6 +3,7 @@ package org.tasks;
 import android.content.res.Configuration;
 import android.util.Log;
 
+import com.squareup.leakcanary.LeakCanary;
 import com.todoroo.astrid.dao.Database;
 import com.todoroo.astrid.dao.MetadataDao;
 import com.todoroo.astrid.dao.StoreObjectDao;
@@ -51,6 +52,8 @@ public class Tasks extends InjectingApplication {
     public void onCreate() {
         super.onCreate();
 
+        LeakCanary.install(this);
+
         if (BuildConfig.DEBUG) {
             Timber.plant(new Timber.DebugTree());
         } else {