Move various first-party plugins into this repo (flutter#36)

* Added image_picker

* Added firebase_analytics

* Added firebase_storage

* Added google_sign_in

* Added firebase_auth

* Added firebase_database

packages/firebase_analytics/.gitignore

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

packages/firebase_analytics/LICENSE

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+Copyright 2017, the Flutter project 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_analytics/README.md

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+# Firebase Analytics for Flutter
+
+**WARNING: this is incomplete and highly experimental**
+
+This plugin allows Flutter apps use the Firebase Analytics API from their Dart
+code.
+
+## Getting Started
+
+The the `example` directory for a sample app using Firebase Analytics.
+
+To learn more about Flutter plugins, view our online
+[documentation](https://flutter.io/platform-plugins).

packages/firebase_analytics/android/.gitignore

@@ -0,0 +1,12 @@
+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+
+/gradle
+/gradlew
+/gradlew.bat

packages/firebase_analytics/android/build.gradle

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+group 'io.flutter.firebase_analytics'
+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 '25.0.2'
+
+    defaultConfig {
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    lintOptions {
+        disable 'InvalidPackage'
+    }
+    dependencies {
+        compile 'com.google.firebase:firebase-auth:10.2.1'
+        compile 'com.google.firebase:firebase-analytics:10.2.1'
+    }
+}

packages/firebase_analytics/android/gradle.properties

@@ -0,0 +1 @@
+org.gradle.jvmargs=-Xmx1536M

packages/firebase_analytics/android/settings.gradle

@@ -0,0 +1 @@
+rootProject.name = 'firebase_analytics'

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

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

packages/firebase_analytics/android/src/main/java/io/flutter/firebase_analytics/FirebaseAnalyticsPlugin.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.firebase_analytics;
+
+import java.util.Map;
+
+import com.google.firebase.FirebaseApp;
+import com.google.firebase.analytics.FirebaseAnalytics;
+
+import android.app.Activity;
+import android.os.Bundle;
+
+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.MethodCall;
+import io.flutter.plugin.common.PluginRegistry;
+
+/**
+ * Flutter plugin for Firebase Analytics.
+ */
+public class FirebaseAnalyticsPlugin implements MethodCallHandler {
+  private final Activity activity;
+  private final FirebaseAnalytics firebaseAnalytics;
+
+  public static void registerWith(PluginRegistry.Registrar registrar) {
+    final MethodChannel channel = new MethodChannel(registrar.messenger(), "firebase_analytics");
+    channel.setMethodCallHandler(new FirebaseAnalyticsPlugin(registrar.activity()));
+  }
+
+  private FirebaseAnalyticsPlugin(Activity activity) {
+    this.activity = activity;
+    FirebaseApp.initializeApp(activity);
+    this.firebaseAnalytics = FirebaseAnalytics.getInstance(activity);
+  }
+
+  @Override
+  public void onMethodCall(MethodCall call, Result result) {
+    switch (call.method) {
+      case "logEvent":
+        handleLogEvent(call, result);
+        break;
+      case "setUserId":
+        handleSetUserId(call, result);
+        break;
+      case "setCurrentScreen":
+        handleSetCurrentScreen(call, result);
+        break;
+      case "setAnalyticsCollectionEnabled":
+        handleSetAnalyticsCollectionEnabled(call, result);
+        break;
+      case "setMinimumSessionDuration":
+        handleSetMinimumSessionDuration(call, result);
+        break;
+      case "setSessionTimeoutDuration":
+        handleSetSessionTimeoutDuration(call, result);
+        break;
+      case "setUserProperty":
+        handleSetUserProperty(call, result);
+        break;
+      default:
+        result.notImplemented();
+        break;
+    }
+  }
+
+  private void handleLogEvent(MethodCall call, Result result) {
+    @SuppressWarnings("unchecked")
+    Map<String, Object> arguments = (Map<String, Object>) call.arguments;
+    final String eventName = (String) arguments.get("name");
+
+    @SuppressWarnings("unchecked")
+    final Bundle parameterBundle = createBundleFromMap((Map<String, Object>) arguments.get("parameters"));
+    firebaseAnalytics.logEvent(eventName, parameterBundle);
+    result.success(null);
+  }
+
+  private void handleSetUserId(MethodCall call, Result result) {
+    final String id = (String) call.arguments;
+    firebaseAnalytics.setUserId(id);
+    result.success(null);
+  }
+
+  private void handleSetCurrentScreen(MethodCall call, Result result) {
+    @SuppressWarnings("unchecked")
+    Map<String, Object> arguments = (Map<String, Object>) call.arguments;
+    final String screenName = (String) arguments.get("screenName");
+    final String screenClassOverride = (String) arguments.get("screenClassOverride");
+
+    firebaseAnalytics.setCurrentScreen(activity, screenName, screenClassOverride);
+    result.success(null);
+  }
+
+  private void handleSetAnalyticsCollectionEnabled(MethodCall call, Result result) {
+    final Boolean enabled = (Boolean) call.arguments;
+    firebaseAnalytics.setAnalyticsCollectionEnabled(enabled);
+    result.success(null);
+  }
+
+  private void handleSetMinimumSessionDuration(MethodCall call, Result result) {
+    final Integer milliseconds = (Integer) call.arguments;
+    firebaseAnalytics.setMinimumSessionDuration(milliseconds);
+    result.success(null);
+  }
+
+  private void handleSetSessionTimeoutDuration(MethodCall call, Result result) {
+    final Integer milliseconds = (Integer) call.arguments;
+    firebaseAnalytics.setSessionTimeoutDuration(milliseconds);
+    result.success(null);
+  }
+
+  private void handleSetUserProperty(MethodCall call, Result result) {
+    @SuppressWarnings("unchecked")
+    Map<String, Object> arguments = (Map<String, Object>) call.arguments;
+    final String name = (String) arguments.get("name");
+    final String value = (String) arguments.get("value");
+
+    firebaseAnalytics.setUserProperty(name, value);
+    result.success(null);
+  }
+
+  private static Bundle createBundleFromMap(Map<String, Object> map) {
+    if (map == null) {
+      return null;
+    }
+
+    Bundle bundle = new Bundle();
+    for (Map.Entry<String, Object> jsonParam : map.entrySet()) {
+      final Object value = jsonParam.getValue();
+      final String key = jsonParam.getKey();
+      if (value instanceof String) {
+        bundle.putString(key, (String) value);
+      } else if (value instanceof Integer) {
+        bundle.putInt(key, (Integer) value);
+      } else if (value instanceof Double) {
+        bundle.putDouble(key, (Double) value);
+      } else if (value instanceof Boolean) {
+        bundle.putBoolean(key, (Boolean) value);
+      } else {
+        throw new IllegalArgumentException("Unsupported value type: " + value.getClass().getCanonicalName());
+      }
+    }
+    return bundle;
+  }
+}

packages/firebase_analytics/example/.gitignore

@@ -0,0 +1,10 @@
+.DS_Store
+.atom/
+.idea
+.packages
+.pub/
+build/
+ios/.generated/
+packages
+pubspec.lock
+.flutter-plugins

packages/firebase_analytics/example/README.md

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+# firebase_analytics_example
+
+Demonstrates how to use the firebase_analytics plugin.
+
+## Getting Started
+
+For help getting started with Flutter, view our online
+[documentation](http://flutter.io/).

packages/firebase_analytics/example/android.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$/android">
+      <sourceFolder url="file://$MODULE_DIR$/android/app/src/main/java" isTestSource="false" />
+    </content>
+    <orderEntry type="jdk" jdkName="Android API 25 Platform" jdkType="Android SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" name="Flutter for Android" level="project" />
+  </component>
+</module>

packages/firebase_analytics/example/android/.gitignore

@@ -0,0 +1,12 @@
+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+
+/gradle
+/gradlew
+/gradlew.bat

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

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+def localProperties = new Properties()
+def localPropertiesFile = rootProject.file('local.properties')
+if (localPropertiesFile.exists()) {
+    localPropertiesFile.withInputStream { stream ->
+        localProperties.load(stream)
+    }
+}
+
+def flutterRoot = localProperties.getProperty('flutter.sdk')
+if (flutterRoot == null) {
+    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
+}
+
+apply plugin: 'com.android.application'
+apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
+
+android {
+    compileSdkVersion 25
+    buildToolsVersion '25.0.2'
+
+    lintOptions {
+        disable 'InvalidPackage'
+    }
+
+    defaultConfig {
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            // TODO: Add your own signing config for the release build.
+            // Signing with the debug keys for now, so `flutter run --release` works.
+            signingConfig signingConfigs.debug
+        }
+    }
+}
+
+flutter {
+    source '../..'
+}
+
+dependencies {
+    compile 'com.google.firebase:firebase-core:10.0.1'
+}
+
+apply plugin: 'com.google.gms.google-services'