Updating for 1.0.4

* bumped tooling versions to latest
* handled cancelled and other onActivityResult() return codes that
  cause NPE.
* Depend on latest Play Services Auth library.

Change-Id: Ib783e6943800d86d5a13aafd6dc86bdea601b0ab

Author: claywilkinson

Diff for: GoogleSignInPlugin/Assets/GoogleSignIn/Editor/GoogleSignInDependencies.xml

@@ -3,7 +3,7 @@
   <!-- See https://github.com/googlesamples/unity-jar-resolver#usage for
     how to configure dependencies -->
   <androidPackages>
-    <androidPackage spec="com.google.android.gms:play-services-auth:10+">
+    <androidPackage spec="com.google.android.gms:play-services-auth:16+">
       <androidSdkPackageIds>
         <androidSdkPackageId>extra-google-m2repository</androidSdkPackageId>
       </androidSdkPackageIds>

Diff for: build.gradle

@@ -19,10 +19,11 @@ import groovy.io.FileType
 
 buildscript {
     repositories {
+        google()
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.3.3'
+        classpath 'com.android.tools.build:gradle:3.1.4'
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
@@ -31,6 +32,7 @@ buildscript {
 
 allprojects {
     repositories {
+        google()
         jcenter()
     }
 }
@@ -66,7 +68,7 @@ project.ext {
         git_exe = 'git'
     }
 
-    pluginVersion = "1.0.3"
+    pluginVersion = "1.0.4"
     currentPluginBasename = 'google-signin-plugin'
     currentPluginName = (currentPluginBasename + '-' + pluginVersion +
                                      '.unitypackage')

Diff for: gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip

Diff for: native-googlesignin/build.gradle

@@ -33,7 +33,6 @@ project.ext.baseName = "google-signin-support"
 
 android {
     compileSdkVersion 26
-    buildToolsVersion "26.0.3"
     defaultConfig {
         minSdkVersion 14
         targetSdkVersion 26
@@ -45,7 +44,7 @@ android {
             }
         }
         ndk {
-            abiFilters 'x86', 'armeabi-v7a'
+            abiFilters 'x86', 'armeabi-v7a', 'arm64-v8a'
         }
     }
     lintOptions {
@@ -113,5 +112,5 @@ uploadArchives {
 }
 
 dependencies {
-        compile "com.google.android.gms:play-services-auth:10.2.6"
+        api "com.google.android.gms:play-services-auth:16.0.0"
 }

Diff for: native-googlesignin/src/main/java/com/google/googlesignin/GoogleSignInFragment.java

@@ -412,7 +412,7 @@ private void buildClient(TokenRequest request) {
       }
     }
     if (request.getHidePopups()) {
-      View invisible = new View(getContext());
+      View invisible = new View(getActivity());
       invisible.setVisibility(View.INVISIBLE);
       invisible.setClickable(false);
       clientBuilder.setViewForPopups(invisible);
@@ -456,7 +456,7 @@ private GoogleSignInOptionsExtension getGamesExtension() {
       setter.invoke(builder, false);
 
       Method buildMethod = builder.getClass().getMethod("build");
-      return (GoogleSignInOptionsExtension) builderMethod.invoke(builder);
+      return (GoogleSignInOptionsExtension) buildMethod.invoke(builder);
 
     } catch (ClassNotFoundException e) {
       throw new IllegalArgumentException(
@@ -526,8 +526,15 @@ public void onActivityResult(int requestCode, int resultCode, Intent data) {
       GoogleSignInResult result = Auth.GoogleSignInApi.getSignInResultFromIntent(data);
       TokenRequest request = this.request;
       if (request != null) {
-        GoogleSignInAccount acct = result.getSignInAccount();
-        request.setResult(result.getStatus().getStatusCode(), acct);
+        if (result == null) {
+          // This usually indicates a problem with Google Play Services not working correctly.
+          int returnCode = resultCode >= 0 ? CommonStatusCodes.ERROR : resultCode;
+          request.setResult( returnCode, null);
+          GoogleSignInHelper.logError("GoogleSignIn result is null, returning error.");
+        } else {
+          GoogleSignInAccount acct = result.getSignInAccount();
+          request.setResult(result.getStatus().getStatusCode(), acct);
+        }
       } else {
         GoogleSignInHelper.logError("Pending request is null, can't " + "return result!");
       }