Merge pull request flutter#34 from collinjackson/flutter#1942

* [firebase_admob] update AGP, gradle and admob
* Update CHANGELOG entry with description of flutter#2

packages/firebase_admob/CHANGELOG.md

@@ -1,3 +1,9 @@
+## 0.9.0+7
+
+* Update Android gradle plugin, gradle, and Admob versions.
+* Improvements to the Android implementation, fixing warnings about a possible null pointer exception.
+* Fixed an issue where an advertisement could incorrectly remain displayed when transitioning to another screen.
+
 ## 0.9.0+6
 
 * Remove duplicate example from documentation.

packages/firebase_admob/android/build.gradle

@@ -21,7 +21,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.3.0'
+        classpath 'com.android.tools.build:gradle:3.4.2'
     }
 }
 
@@ -45,6 +45,6 @@ android {
         disable 'InvalidPackage'
     }
     dependencies {
-        api 'com.google.firebase:firebase-ads:17.2.0'
+        api 'com.google.firebase:firebase-ads:18.1.1'
     }
 }

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

@@ -10,6 +10,7 @@
 import com.google.android.gms.ads.AdRequest;
 import java.util.ArrayList;
 import java.util.Date;
+import java.util.List;
 import java.util.Map;
 
 class AdRequestBuilderFactory {
@@ -53,29 +54,28 @@ private Integer getTargetingInfoInteger(String key, Object value) {
     return (Integer) value;
   }
 
-  private ArrayList getTargetingInfoArrayList(String key, Object value) {
+  private List getTargetingInfoArrayList(String key, Object value) {
     if (value == null) return null;
     if (!(value instanceof ArrayList)) {
       Log.w(TAG, "targeting info " + key + ": expected an ArrayList");
       return null;
     }
-    return (ArrayList) value;
+    return (List) value;
   }
 
   AdRequest.Builder createAdRequestBuilder() {
     AdRequest.Builder builder = new AdRequest.Builder();
     if (targetingInfo == null) return builder;
 
-    ArrayList testDevices =
-        getTargetingInfoArrayList("testDevices", targetingInfo.get("testDevices"));
+    List testDevices = getTargetingInfoArrayList("testDevices", targetingInfo.get("testDevices"));
     if (testDevices != null) {
       for (Object deviceValue : testDevices) {
         String device = getTargetingInfoString("testDevices element", deviceValue);
         if (device != null) builder.addTestDevice(device);
       }
     }
 
-    ArrayList keywords = getTargetingInfoArrayList("keywords", targetingInfo.get("keywords"));
+    List keywords = getTargetingInfoArrayList("keywords", targetingInfo.get("keywords"));
     if (keywords != null) {
       for (Object keywordValue : keywords) {
         String keyword = getTargetingInfoString("keywords element", keywordValue);

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

@@ -14,6 +14,7 @@
 import io.flutter.plugin.common.MethodChannel.MethodCallHandler;
 import io.flutter.plugin.common.MethodChannel.Result;
 import io.flutter.plugin.common.PluginRegistry.Registrar;
+import java.util.Locale;
 import java.util.Map;
 
 public class FirebaseAdMobPlugin implements MethodCallHandler {
@@ -51,34 +52,41 @@ private void callInitialize(MethodCall call, Result result) {
     result.success(Boolean.TRUE);
   }
 
-  private void callLoadBannerAd(
-      int id, Activity activity, MethodChannel channel, MethodCall call, Result result) {
+  private void callLoadBannerAd(Integer id, Activity activity, MethodCall call, Result result) {
     String adUnitId = call.argument("adUnitId");
     if (adUnitId == null || adUnitId.isEmpty()) {
       result.error("no_unit_id", "a null or empty adUnitId was provided for ad id=" + id, null);
       return;
     }
 
-    int width = call.argument("width");
-    int height = call.argument("height");
-    String adSizeType = call.argument("adSizeType");
+    final Integer width = call.argument("width");
+    final Integer height = call.argument("height");
+    final String adSizeType = call.argument("adSizeType");
 
-    if (!adSizeType.equals("AdSizeType.WidthAndHeight")
-        && !adSizeType.equals("AdSizeType.SmartBanner")) {
+    if (!"AdSizeType.WidthAndHeight".equals(adSizeType)
+        && !"AdSizeType.SmartBanner".equals(adSizeType)) {
       String errMsg =
-          String.format("an invalid adSizeType (%s) was provided for banner id=%d", adSizeType, id);
+          String.format(
+              Locale.ENGLISH,
+              "an invalid adSizeType (%s) was provided for banner id=%d",
+              adSizeType,
+              id);
       result.error("invalid_adsizetype", errMsg, null);
     }
 
-    if (adSizeType.equals("AdSizeType.WidthAndHeight") && (width <= 0 || height <= 0)) {
+    if ("AdSizeType.WidthAndHeight".equals(adSizeType) && (width <= 0 || height <= 0)) {
       String errMsg =
           String.format(
-              "an invalid AdSize (%d, %d) was provided for banner id=%d", width, height, id);
+              Locale.ENGLISH,
+              "an invalid AdSize (%d, %d) was provided for banner id=%d",
+              width,
+              height,
+              id);
       result.error("invalid_adsize", errMsg, null);
     }
 
     AdSize adSize;
-    if (adSizeType.equals("AdSizeType.SmartBanner")) {
+    if ("AdSizeType.SmartBanner".equals(adSizeType)) {
       adSize = AdSize.SMART_BANNER;
     } else {
       adSize = new AdSize(width, height);
@@ -142,28 +150,30 @@ private void callLoadRewardedVideoAd(MethodCall call, Result result) {
     result.success(Boolean.TRUE);
   }
 
-  private void callShowAd(int id, MethodCall call, Result result) {
+  private void callShowAd(Integer 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;
     }
-    if (call.argument("anchorOffset") != null) {
-      ad.anchorOffset = Double.parseDouble((String) call.argument("anchorOffset"));
+    final String anchorOffset = call.argument("anchorOffset");
+    final String horizontalCenterOffset = call.argument("horizontalCenterOffset");
+    final String anchorType = call.argument("anchorType");
+    if (anchorOffset != null) {
+      ad.anchorOffset = Double.parseDouble(anchorOffset);
     }
-    if (call.argument("horizontalCenterOffset") != null) {
-      ad.horizontalCenterOffset =
-          Double.parseDouble((String) call.argument("horizontalCenterOffset"));
+    if (anchorType != null) {
+      ad.horizontalCenterOffset = Double.parseDouble(horizontalCenterOffset);
     }
-    if (call.argument("anchorType") != null) {
-      ad.anchorType = call.argument("anchorType").equals("bottom") ? Gravity.BOTTOM : Gravity.TOP;
+    if (anchorType != null) {
+      ad.anchorType = "bottom".equals(anchorType) ? Gravity.BOTTOM : Gravity.TOP;
     }
 
     ad.show();
     result.success(Boolean.TRUE);
   }
 
-  private void callIsAdLoaded(int id, MethodCall call, Result result) {
+  private void callIsAdLoaded(Integer id, Result result) {
     MobileAd ad = MobileAd.getAdForId(id);
     if (ad == null) {
       result.error("no_ad_for_id", "isAdLoaded failed, no add exists for id=" + id, null);
@@ -172,7 +182,7 @@ private void callIsAdLoaded(int id, MethodCall call, Result result) {
     result.success(ad.status == MobileAd.Status.LOADED ? Boolean.TRUE : Boolean.FALSE);
   }
 
-  private void callShowRewardedVideoAd(MethodCall call, Result result) {
+  private void callShowRewardedVideoAd(Result result) {
     if (rewardedWrapper.getStatus() == RewardedVideoAdWrapper.Status.LOADED) {
       rewardedWrapper.show();
       result.success(Boolean.TRUE);
@@ -181,7 +191,7 @@ private void callShowRewardedVideoAd(MethodCall call, Result result) {
     }
   }
 
-  private void callDisposeAd(int id, MethodCall call, Result result) {
+  private void callDisposeAd(Integer id, 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);
@@ -194,10 +204,6 @@ private void callDisposeAd(int id, MethodCall call, Result result) {
 
   @Override
   public void onMethodCall(MethodCall call, Result result) {
-    if (call.method.equals("initialize")) {
-      callInitialize(call, result);
-      return;
-    }
 
     Activity activity = registrar.activity();
     if (activity == null) {
@@ -208,8 +214,11 @@ public void onMethodCall(MethodCall call, Result result) {
     Integer id = call.argument("id");
 
     switch (call.method) {
+      case "initialize":
+        callInitialize(call, result);
+        break;
       case "loadBannerAd":
-        callLoadBannerAd(id, activity, channel, call, result);
+        callLoadBannerAd(id, activity, call, result);
         break;
       case "loadInterstitialAd":
         callLoadInterstitialAd(MobileAd.createInterstitial(id, activity, channel), call, result);
@@ -221,13 +230,13 @@ public void onMethodCall(MethodCall call, Result result) {
         callShowAd(id, call, result);
         break;
       case "showRewardedVideoAd":
-        callShowRewardedVideoAd(call, result);
+        callShowRewardedVideoAd(result);
         break;
       case "disposeAd":
-        callDisposeAd(id, call, result);
+        callDisposeAd(id, result);
         break;
       case "isAdLoaded":
-        callIsAdLoaded(id, call, result);
+        callIsAdLoaded(id, result);
         break;
       default:
         result.notImplemented();

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

@@ -11,10 +11,7 @@
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.LinearLayout;
-import com.google.android.gms.ads.AdListener;
-import com.google.android.gms.ads.AdSize;
-import com.google.android.gms.ads.AdView;
-import com.google.android.gms.ads.InterstitialAd;
+import com.google.android.gms.ads.*;
 import io.flutter.plugin.common.MethodChannel;
 import java.util.HashMap;
 import java.util.Map;

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

@@ -17,10 +17,9 @@
 public class RewardedVideoAdWrapper implements RewardedVideoAdListener {
   private static final String TAG = "flutter";
 
-  final RewardedVideoAd rewardedInstance;
-  final Activity activity;
-  final MethodChannel channel;
-  Status status;
+  private final RewardedVideoAd rewardedInstance;
+  private final MethodChannel channel;
+  private Status status;
 
   @Override
   public void onRewardedVideoAdLoaded() {
@@ -76,7 +75,6 @@ enum Status {
   }
 
   public RewardedVideoAdWrapper(Activity activity, MethodChannel channel) {
-    this.activity = activity;
     this.channel = channel;
     this.status = Status.CREATED;
     this.rewardedInstance = MobileAds.getRewardedVideoAdInstance(activity);

packages/firebase_admob/example/android/app/build.gradle

@@ -55,8 +55,8 @@ flutter {
 
 dependencies {
     testImplementation 'junit:junit:4.12'
-    androidTestImplementation 'androidx.test:runner:1.1.1'
-    androidTestImplementation 'androidx.test.espresso:espresso-core:3.1.1'
+    androidTestImplementation 'androidx.test:runner:1.2.0'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
 }
 
 apply plugin: 'com.google.gms.google-services'

packages/firebase_admob/example/android/build.gradle

@@ -6,7 +6,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.3.0'
+        classpath 'com.android.tools.build:gradle:3.4.2'
         classpath 'com.google.gms:google-services:4.3.0'
     }
 }

packages/firebase_admob/example/android/gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,6 @@
+#Thu Aug 01 22:44:13 BRT 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.1.1-all.zip

packages/firebase_admob/pubspec.yaml

@@ -3,7 +3,7 @@ description: Flutter plugin for Firebase AdMob, supporting
   banner, interstitial (full-screen), and rewarded video ads
 author: Flutter Team <flutter-dev@googlegroups.com>
 homepage: https://github.com/FirebaseExtended/flutterfire/tree/master/packages/firebase_admob
-version: 0.9.0+6
+version: 0.9.0+7
 
 flutter:
   plugin: