Issue #9: Add crash reporting via Mozilla's sentry instance.

app/build.gradle

@@ -29,13 +29,28 @@ android {
 }
 
 dependencies {
+    implementation 'io.sentry:sentry-android:1.7.3'
+
     implementation 'com.android.support:appcompat-v7:27.1.0'
     implementation 'com.android.support.constraint:constraint-layout:1.0.2'
 
-    implementation"org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
 
     testImplementation 'junit:junit:4.12'
 
     androidTestImplementation 'com.android.support.test:runner:1.0.1'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
 }
+
+// -------------------------------------------------------------------------------------------------
+// -- Sentry
+// -------------------------------------------------------------------------------------------------
+
+android.applicationVariants.all {
+    try {
+        def token = new File("${rootDir}/.sentry").text.trim()
+        buildConfigField 'String', 'SENTRY_TOKEN', '"' + token + '"'
+    } catch (FileNotFoundException ignored) {
+        buildConfigField 'String', 'SENTRY_TOKEN', 'null'
+    }
+}

app/src/main/AndroidManifest.xml

@@ -2,13 +2,17 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="mozilla.fenix">
 
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+
     <application
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/AppTheme">
+        android:theme="@style/AppTheme"
+        android:name=".FenixApplication">
         <activity android:name=".MainActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
@@ -16,6 +20,7 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+
     </application>
 
 </manifest>

app/src/main/java/mozilla/fenix/FenixApplication.kt

@@ -0,0 +1,23 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package mozilla.fenix
+
+import android.app.Application
+import io.sentry.Sentry
+import io.sentry.android.AndroidSentryClientFactory
+
+class FenixApplication : Application() {
+    override fun onCreate() {
+        super.onCreate()
+
+        initializeCrashReporting()
+    }
+
+    private fun initializeCrashReporting() {
+        if (BuildConfig.SENTRY_TOKEN != null) {
+            Sentry.init(BuildConfig.SENTRY_TOKEN, AndroidSentryClientFactory(this))
+        }
+    }
+}