Migration to Firebase Crashlytics SDK

app/build.gradle

@@ -3,7 +3,8 @@ import groovy.json.JsonSlurper
 apply from: 'gradle/grgit.gradle'
 
 apply plugin: 'com.android.application'
-apply plugin: 'io.fabric'
+apply plugin: 'com.google.gms.google-services'
+apply plugin: 'com.google.firebase.crashlytics'
 
 android {
     compileSdkVersion 29
@@ -33,8 +34,9 @@ android {
             multiDexEnabled true
             def date = new Date().format('ddMMyy_HHmmss')
             archivesBaseName = archivesBaseName + "-$date"
-            // Disable fabric build ID generation for debug builds
+            firebaseCrashlytics {
-            ext.enableCrashlytics = false
+                mappingFileUploadEnabled false  // Disable mapping file uploading for debug builds
+            }
         }
     }
 
@@ -87,8 +89,8 @@ dependencies {
     implementation 'androidx.multidex:multidex:2.0.1'  //TODO: Remove when minSdkVersion >= 21
     implementation 'com.google.android.material:material:1.1.0'
     implementation 'com.google.firebase:firebase-analytics:17.4.3'
+    implementation 'com.google.firebase:firebase-crashlytics:17.0.1'
     implementation 'com.google.firebase:firebase-messaging:20.2.0'
-    implementation 'com.crashlytics.sdk.android:crashlytics:2.10.1'
     implementation 'com.snatik:storage:2.1.0'
     implementation ('com.squareup.okhttp3:okhttp:3.12.12') {  //TODO: Warning: OkHttp has dropped support for Android 19 since OkHttp 3.13!
         force = true    //TODO: Remove when minSdkVersion >= 21
@@ -116,5 +118,3 @@ dependencies {
     testImplementation 'org.powermock:powermock-api-mockito2:2.0.2'
     testImplementation 'net.lachlanmckee:timber-junit-rule:1.0.1'
 }
-
-apply plugin: 'com.google.gms.google-services'

app/src/main/java/gr/thmmy/mthmmy/activities/settings/SettingsFragment.java

@@ -200,14 +200,15 @@ public class SettingsFragment extends PreferenceFragmentCompat implements Shared
         if (key.equals(getString(R.string.pref_privacy_crashlytics_enable_key))) {
             enabled = sharedPreferences.getBoolean(key, false);
             if(enabled)
-                BaseApplication.getInstance().startFirebaseCrashlyticsCollection();
+                BaseApplication.getInstance().setFirebaseCrashlyticsEnabled(true);
             else {
                 Timber.i("Crashlytics collection will be disabled after restarting.");
+                BaseApplication.getInstance().setFirebaseCrashlyticsEnabled(false);
                 displayRestartAppToTakeEffectToast();
             }
         } else if (key.equals(getString(R.string.pref_privacy_analytics_enable_key))) {
             enabled = sharedPreferences.getBoolean(key, false);
-            BaseApplication.getInstance().setFirebaseAnalyticsCollection(enabled);
+            BaseApplication.getInstance().setFirebaseAnalyticsEnabled(enabled);
             if(enabled)
                 Timber.i("Analytics collection enabled.");
             else

app/src/main/java/gr/thmmy/mthmmy/base/BaseActivity.java

@@ -807,8 +807,8 @@ public abstract class BaseActivity extends AppCompatActivity {
         builder.setPositiveButton("Yes, I want to help", (dialogInterface, i) -> {
             addUserConsent();
             FirebaseMessaging.getInstance().setAutoInitEnabled(true);
-            BaseApplication.getInstance().startFirebaseCrashlyticsCollection();
+            BaseApplication.getInstance().setFirebaseCrashlyticsEnabled(true);
-            BaseApplication.getInstance().setFirebaseAnalyticsCollection(true);
+            BaseApplication.getInstance().setFirebaseAnalyticsEnabled(true);
             setUserDataShareEnabled(true);
         });
         builder.setNegativeButton("Nope, leave me alone", (dialogInterface, i) -> {

app/src/main/java/gr/thmmy/mthmmy/base/BaseApplication.java

@@ -14,13 +14,12 @@ import androidx.multidex.MultiDexApplication;
 import androidx.preference.PreferenceManager;
 
 import com.bumptech.glide.Glide;
-import com.crashlytics.android.Crashlytics;
-import com.crashlytics.android.core.CrashlyticsCore;
 import com.franmontiel.persistentcookiejar.PersistentCookieJar;
 import com.franmontiel.persistentcookiejar.cache.SetCookieCache;
 import com.franmontiel.persistentcookiejar.persistence.SharedPrefsCookiePersistor;
 import com.google.firebase.FirebaseApp;
 import com.google.firebase.analytics.FirebaseAnalytics;
+import com.google.firebase.crashlytics.FirebaseCrashlytics;
 import com.itkacher.okhttpprofiler.OkHttpProfilerInterceptor;
 import com.mikepenz.fontawesome_typeface_library.FontAwesome;
 import com.mikepenz.iconics.IconicsDrawable;
@@ -40,7 +39,6 @@ import gr.thmmy.mthmmy.BuildConfig;
 import gr.thmmy.mthmmy.R;
 import gr.thmmy.mthmmy.session.SessionManager;
 import gr.thmmy.mthmmy.utils.crashreporting.CrashReportingTree;
-import io.fabric.sdk.android.Fabric;
 import okhttp3.CipherSuite;
 import okhttp3.ConnectionSpec;
 import okhttp3.HttpUrl;
@@ -53,6 +51,8 @@ import static gr.thmmy.mthmmy.activities.settings.SettingsActivity.DISPLAY_RELAT
 public class BaseApplication extends MultiDexApplication {
     private static BaseApplication baseApplication; //BaseApplication singleton
 
+    private CrashReportingTree crashReportingTree;
+
     //Firebase
     private static String firebaseProjectId;
     private FirebaseAnalytics firebaseAnalytics;
@@ -88,19 +88,23 @@ public class BaseApplication extends MultiDexApplication {
         SharedPreferences settingsSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
         SharedPreferences draftsPrefs = getSharedPreferences(getString(R.string.pref_topic_drafts_key), MODE_PRIVATE);
 
-        if (settingsSharedPrefs.getBoolean(getString(R.string.pref_privacy_crashlytics_enable_key), false))
+        if (settingsSharedPrefs.getBoolean(getString(R.string.pref_privacy_crashlytics_enable_key), false)){
-            startFirebaseCrashlyticsCollection();
+            Timber.i("Starting app with Firebase Crashlytics enabled.");
-        else
+            setFirebaseCrashlyticsEnabled(true);
-            Timber.i("Starting app with Crashlytics disabled.");
+        }
+        else {
+            Timber.i("Starting app with Firebase Crashlytics disabled.");
+            setFirebaseCrashlyticsEnabled(false);
+        }
 
         firebaseProjectId = FirebaseApp.getInstance().getOptions().getProjectId();
         firebaseAnalytics = FirebaseAnalytics.getInstance(this);
         boolean enableAnalytics = settingsSharedPrefs.getBoolean(getString(R.string.pref_privacy_analytics_enable_key), false);
         firebaseAnalytics.setAnalyticsCollectionEnabled(enableAnalytics);
         if (enableAnalytics)
-            Timber.i("Starting app with Analytics enabled.");
+            Timber.i("Starting app with Firebase Analytics enabled.");
         else
-            Timber.i("Starting app with Analytics disabled.");
+            Timber.i("Starting app with Firebase Analytics disabled.");
 
         SharedPrefsCookiePersistor sharedPrefsCookiePersistor = new SharedPrefsCookiePersistor(getApplicationContext());
         PersistentCookieJar cookieJar = new PersistentCookieJar(new SetCookieCache(), sharedPrefsCookiePersistor);
@@ -215,24 +219,32 @@ public class BaseApplication extends MultiDexApplication {
         firebaseAnalytics.logEvent(event, params);
     }
 
-    public void setFirebaseAnalyticsCollection(boolean enabled) {
+    public void setFirebaseAnalyticsEnabled(boolean enabled) {
         firebaseAnalytics.setAnalyticsCollectionEnabled(enabled);
         if (!enabled)
             firebaseAnalytics.resetAnalyticsData();
+
+        if(enabled)
+            Timber.i("Firebase Analytics enabled.");
+        else
+            Timber.i("Firebase Analytics disabled.");
     }
 
-    // Set up Crashlytics, disabled for debug builds
+    public void setFirebaseCrashlyticsEnabled(boolean enable) {
-    public void startFirebaseCrashlyticsCollection() {
+        FirebaseCrashlytics.getInstance().setCrashlyticsCollectionEnabled(enable);
-        if (!Fabric.isInitialized()) {
+        if(enable){
-            Crashlytics crashlyticsKit = new Crashlytics.Builder()
+            crashReportingTree = new CrashReportingTree();
-                    .core(new CrashlyticsCore.Builder().disabled(BuildConfig.DEBUG).build())
+            Timber.plant(crashReportingTree);
-                    .build();
+            Timber.i("CrashReporting tree planted.");
-            // Initialize Fabric with the debug-disabled Crashlytics.
+            Timber.i("Firebase Crashlytics enabled.");
-            Fabric.with(this, crashlyticsKit);
+        }
-            Timber.plant(new CrashReportingTree());
+        else{
-            Timber.i("Crashlytics enabled.");
+            if(crashReportingTree!=null) {
-        } else
+                Timber.uproot(crashReportingTree);
-            Timber.i("Crashlytics were already initialized for this app session.");
+                Timber.i("CrashReporting tree uprooted.");
+            }
+            Timber.i("Firebase Crashlytics disabled.");
+        }
     }
 
     public static String getFirebaseProjectId(){

app/src/main/java/gr/thmmy/mthmmy/utils/crashreporting/CrashReporter.java

@@ -1,6 +1,7 @@
 package gr.thmmy.mthmmy.utils.crashreporting;
 
-import com.crashlytics.android.Crashlytics;
+
+import com.google.firebase.crashlytics.FirebaseCrashlytics;
 
 import org.jsoup.nodes.Document;
 import org.jsoup.nodes.Element;
@@ -43,12 +44,14 @@ public class CrashReporter {
         else
             languageValue = "Unknown";
 
-        Crashlytics.setString(themeKey, themeValue);
+        FirebaseCrashlytics crashlytics = FirebaseCrashlytics.getInstance();
-        Crashlytics.setString(languageKey, languageValue);
+        crashlytics.setCustomKey(themeKey, themeValue);
-        Crashlytics.setBool("isLoggedIn", BaseApplication.getInstance().getSessionManager().isLoggedIn());
+        crashlytics.setCustomKey(languageKey, languageValue);
+        crashlytics.setCustomKey("isLoggedIn", BaseApplication.getInstance().getSessionManager().isLoggedIn());
     }
 
     public static void reportDocument(Document document, String key) {
+        FirebaseCrashlytics crashlytics = FirebaseCrashlytics.getInstance();
         String documentString = document.toString();
 
         ParseHelpers.Language language = ParseHelpers.Language.getLanguage(document);
@@ -71,7 +74,7 @@ public class CrashReporter {
                 batch = documentString.substring(i * STRING_BATCH_LENGTH, (i + 1) * STRING_BATCH_LENGTH);
             else
                 batch = documentString.substring(i * STRING_BATCH_LENGTH);
-            Crashlytics.setString(key + "_" + i + 1, batch);
+            crashlytics.setCustomKey(key + "_" + i + 1, batch);
         }
     }
 }

app/src/main/java/gr/thmmy/mthmmy/utils/crashreporting/CrashReportingTree.java

@@ -2,11 +2,16 @@ package gr.thmmy.mthmmy.utils.crashreporting;
 
 import android.util.Log;
 
-import com.crashlytics.android.Crashlytics;
+import com.google.firebase.crashlytics.FirebaseCrashlytics;
 
 import timber.log.Timber.DebugTree;
 
 public class CrashReportingTree extends DebugTree {
+    private  FirebaseCrashlytics firebaseCrashlytics;
+    public CrashReportingTree() {
+        super();
+        firebaseCrashlytics = FirebaseCrashlytics.getInstance();
+    }
 
     @Override
     protected void log(int priority, String tag, String message, Throwable t) {
@@ -25,14 +30,13 @@ public class CrashReportingTree extends DebugTree {
         else
             level = 'A';
 
-        Crashlytics.log(level + "/" + tag + ": " + message);
+        firebaseCrashlytics.log(level + "/" + tag + ": " + message);
 
         if(priority == Log.ERROR) {
             if (t!=null)
-                Crashlytics.logException(t);
+                firebaseCrashlytics.recordException(t);
             else
-                Crashlytics.logException(new Exception(message));
+                firebaseCrashlytics.recordException(new Exception(message));
         }
-
     }
 }

build.gradle

@@ -3,7 +3,6 @@ apply plugin: "com.github.ben-manes.versions"
 
 buildscript {
     repositories {
-        maven { url "https://maven.fabric.io/public" }
         google()
         jcenter()
         maven { url "https://jitpack.io" }
@@ -11,7 +10,7 @@ buildscript {
     dependencies {
         classpath 'com.android.tools.build:gradle:3.6.3'
         classpath 'com.google.gms:google-services:4.3.3'
-        classpath 'io.fabric.tools:gradle:1.31.2'
+        classpath 'com.google.firebase:firebase-crashlytics-gradle:2.1.1'
         classpath 'org.ajoberstar.grgit:grgit-core:3.1.1' // Also change in app/gradle/grgit.gradle
         classpath "com.github.ben-manes:gradle-versions-plugin:0.21.0"
     }
@@ -20,6 +19,7 @@ buildscript {
 allprojects {
     repositories {
         maven { url "https://maven.google.com" }
+        google()
         jcenter()
         maven { url "https://jitpack.io" }
     }