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

app/build.gradle

@@ -10,7 +10,7 @@ android {
     compileSdkVersion 27
 
     defaultConfig {
-        applicationId "org.mozilla.phoenix"
+        applicationId "mozilla.fenix"
 
         minSdkVersion 21
         targetSdkVersion 27
@@ -26,16 +26,35 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
         }
     }
+
+    lintOptions {
+        lintConfig file("${rootDir}/config/lint.xml")
+    }
 }
 
 dependencies {
-    implementation 'com.android.support:appcompat-v7:27.1.0'
-    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
+    implementation 'io.sentry:sentry-android:1.7.3'
 
-    implementation"org.jetbrains.kotlin:kotlin-stdlib-jre7:$kotlin_version"
+    implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.0'
+
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jre7:$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

@@ -2,20 +2,25 @@
 <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" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+
     </application>
 
 </manifest>

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

@@ -0,0 +1,25 @@
+/* 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()
+    }
+
+    @Suppress( // The IDE doesn't know that the token is set dynamically gradle.
+            "SENSELESS_COMPARISON")
+    private fun initializeCrashReporting() {
+        if (BuildConfig.SENTRY_TOKEN != null) {
+            Sentry.init(BuildConfig.SENTRY_TOKEN, AndroidSentryClientFactory(this))
+        }
+    }
+}

config/lint.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- 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/. -->
+<lint>
+    <issue id="InvalidPackage">
+        <!-- Sentry: it uses one SDK for desktop apps and Android apps so I assume it's
+        calling functions from desktop apps and silently ignoring those calls when
+        the functions are not available on Android. -->
+        <ignore path="**/sentry*.jar" />
+    </issue>
+</lint>