Initial Firebase AdMob plugin (flutter#171)

packages/firebase_admob/.gitignore

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+.DS_Store
+.atom/
+.idea
+.packages
+.pub/
+build/
+ios/.generated/
+packages
+pubspec.lock

packages/firebase_admob/CHANGELOG.md

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+## [0.0.1]
+
+* Initial Release: not ready for production use

packages/firebase_admob/LICENSE

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+// Copyright 2017 The Chromium Authors. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

packages/firebase_admob/README.md

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+# firebase_admob
+A Flutter plugin based on the [Firebase AdMob API](https://firebase.google.com/docs/admob/).
+
+*Warning*: This plugin is still under development, some AdMob features are not available yet and testing has been limited. [Feedback](https://github.com/flutter/flutter/issues) and [Pull Requests](https://github.com/flutter/plugins/pulls) are welcome.
+
+See https://github.com/flutter/plugins/pull/171 for a brief overview of the current API.
+
+For Flutter plugins for other Firebase products, see [FlutterFire.md](https://github.com/flutter/plugins/blob/master/FlutterFire.md).

packages/firebase_admob/android/.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+
+/gradle
+/gradlew
+/gradlew.bat

packages/firebase_admob/android/build.gradle

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+group 'io.flutter.plugins.firebaseadmob'
+version '1.0-SNAPSHOT'
+
+buildscript {
+    repositories {
+        jcenter()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:2.3.0'
+    }
+}
+
+allprojects {
+    repositories {
+        jcenter()
+    }
+}
+
+apply plugin: 'com.android.library'
+
+android {
+    compileSdkVersion 25
+    buildToolsVersion '25.0.3'
+
+    defaultConfig {
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    lintOptions {
+        disable 'InvalidPackage'
+    }
+    dependencies {
+        compile 'com.google.firebase:firebase-core:11.0.+'
+        compile 'com.google.firebase:firebase-ads:11.0.+'
+    }
+}

packages/firebase_admob/android/gradle.properties

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+org.gradle.jvmargs=-Xmx1536M

packages/firebase_admob/android/settings.gradle

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+rootProject.name = 'firebase_admob'

packages/firebase_admob/android/src/main/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+  package="io.flutter.plugins.firebaseadmob"
+  android:versionCode="1"
+  android:versionName="0.0.1">
+
+  <uses-sdk android:minSdkVersion="16" android:targetSdkVersion="21" />
+
+  <uses-permission android:name="android.permission.INTERNET" />
+</manifest>

packages/firebase_admob/android/src/main/java/io/flutter/plugins/firebaseadmob/FirebaseAdMobPlugin.java

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+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package io.flutter.plugins.firebaseadmob;
+
+import android.app.Activity;
+import android.widget.LinearLayout;
+import com.google.android.gms.ads.InterstitialAd;
+import com.google.android.gms.ads.MobileAds;
+import com.google.firebase.FirebaseApp;
+import io.flutter.plugin.common.MethodCall;
+import io.flutter.plugin.common.MethodChannel;
+import io.flutter.plugin.common.MethodChannel.MethodCallHandler;
+import io.flutter.plugin.common.MethodChannel.Result;
+import io.flutter.plugin.common.PluginRegistry.Registrar;
+import java.util.Map;
+
+public class FirebaseAdMobPlugin implements MethodCallHandler {
+  private static final String TAG = "flutter";
+
+  private final Activity activity;
+  private final MethodChannel channel;
+
+  private LinearLayout banner;
+  InterstitialAd interstitial;
+
+  public static void registerWith(Registrar registrar) {
+    final MethodChannel channel =
+        new MethodChannel(registrar.messenger(), "plugins.flutter.io/firebase_admob");
+    channel.setMethodCallHandler(new FirebaseAdMobPlugin(registrar.activity(), channel));
+  }
+
+  private FirebaseAdMobPlugin(Activity activity, MethodChannel channel) {
+    this.activity = activity;
+    this.channel = channel;
+    FirebaseApp.initializeApp(activity);
+  }
+
+  private void callInitialize(MethodCall call, Result result) {
+    String appId = call.argument("appId");
+    if (appId == null || appId.isEmpty()) {
+      result.error("no_app_id", "a non-empty AdMob appId was not provided", null);
+      return;
+    }
+    MobileAds.initialize(activity, appId);
+    result.success(Boolean.TRUE);
+  }
+
+  private void callLoadAd(MobileAd ad, MethodCall call, Result result) {
+    if (ad.status != MobileAd.Status.CREATED) {
+      if (ad.status == MobileAd.Status.FAILED)
+        result.error("load_failed_ad", "cannot reload a failed ad, id=" + ad.id, null);
+      else result.success(Boolean.TRUE); // The ad was already loaded.
+      return;
+    }
+
+    String unitId = call.argument("unitId");
+    if (unitId == null || unitId.isEmpty()) {
+      result.error("no_unit_id", "a non-empty unitId was not provided for ad id=" + ad.id, null);
+      return;
+    }
+    Map<String, Object> targetingInfo = call.argument("targetingInfo");
+    ad.load(unitId, targetingInfo);
+    result.success(Boolean.TRUE);
+  }
+
+  private void callShowAd(int id, MethodCall call, Result result) {
+    MobileAd ad = MobileAd.getAdForId(id);
+    if (ad == null) {
+      result.error("ad_not_loaded", "show failed, the specified ad was not loaded id=" + id, null);
+      return;
+    }
+    ad.show();
+    result.success(Boolean.TRUE);
+  }
+
+  private void callDisposeAd(int id, MethodCall call, Result result) {
+    MobileAd ad = MobileAd.getAdForId(id);
+    if (ad == null) {
+      result.error("no_ad_for_id", "dispose failed, no add exists for id=" + id, null);
+      return;
+    }
+
+    ad.dispose();
+    result.success(Boolean.TRUE);
+  }
+
+  @Override
+  public void onMethodCall(MethodCall call, Result result) {
+    if (call.method.equals("initialize")) {
+      callInitialize(call, result);
+      return;
+    }
+
+    Integer id = call.argument("id");
+    if (id == null) {
+      result.error(
+          "no_id",
+          "all FirebaseAdMobPlugin method calls must specify an integer mobile ad id",
+          null);
+      return;
+    }
+
+    switch (call.method) {
+      case "loadBannerAd":
+        callLoadAd(MobileAd.createBanner(id, activity, channel), call, result);
+        break;
+      case "loadInterstitialAd":
+        callLoadAd(MobileAd.createInterstitial(id, activity, channel), call, result);
+        break;
+      case "showAd":
+        callShowAd(id, call, result);
+        break;
+      case "disposeAd":
+        callDisposeAd(id, call, result);
+        break;
+      default:
+        result.notImplemented();
+    }
+  }
+}