From 80b421b6696c597754ad8d0c3cb42c844c5e5a1c Mon Sep 17 00:00:00 2001
From: Miguel Araujo Perez <miguel.araujo.perez@gmail.com>
Date: Thu, 22 Oct 2015 17:35:22 +0200
Subject: [PATCH] Added Android support

Added java code for bridging current locale in an Android device to
javascript. Beware that Android communicates values to javascript
through callbacks or events emitted, this means communication is
asynchronous.
---
 README.md                                     |  9 ++++-
 android/build.gradle                          | 34 +++++++++++++++++++
 android/src/main/AndroidManifest.xml          |  4 +++
 .../i18n/reactnativei18n/ReactNativeI18n.java | 32 +++++++++++++++++
 .../ReactNativeI18nLocale.java                | 31 +++++++++++++++++
 index.js                                      | 11 ++++--
 6 files changed, 118 insertions(+), 3 deletions(-)
 create mode 100755 android/build.gradle
 create mode 100644 android/src/main/AndroidManifest.xml
 create mode 100644 android/src/main/java/com/i18n/reactnativei18n/ReactNativeI18n.java
 create mode 100644 android/src/main/java/com/i18n/reactnativei18n/ReactNativeI18nLocale.java

diff --git a/README.md b/README.md
index 26b25a1..d4056c6 100644
--- a/README.md
+++ b/README.md
@@ -62,7 +62,14 @@ You can get the device's locale with the `RNI18n` native module:
 ```js
 var deviceLocale = require('react-native').NativeModules.RNI18n.locale
 ```
-Returns `en_US`.
+
+Returns `en_US`. This equals to:
+
+```js
+var I18n = require('react-native-i18n');
+var deviceLocale = I18n.locale;
+```
+
 
 ### I18n.js documentation
 For more info about I18n.js methods (`localize`, `pluralize`, etc) and settings see [its documentation](https://github.com/fnando/i18n-js#setting-up).
diff --git a/android/build.gradle b/android/build.gradle
new file mode 100755
index 0000000..1f9f4e0
--- /dev/null
+++ b/android/build.gradle
@@ -0,0 +1,34 @@
+buildscript {
+    repositories {
+        jcenter()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:1.1.3'
+    }
+}
+
+apply plugin: 'com.android.library'
+
+android {
+    compileSdkVersion 23
+    buildToolsVersion "23.0.1"
+
+    defaultConfig {
+        minSdkVersion 16
+        targetSdkVersion 22
+        versionCode 1
+        versionName "1.0"
+    }
+    lintOptions {
+        abortOnError false
+    }
+}
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    compile 'com.facebook.react:react-native:0.12.+'
+}
\ No newline at end of file
diff --git a/android/src/main/AndroidManifest.xml b/android/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..17a0dbd
--- /dev/null
+++ b/android/src/main/AndroidManifest.xml
@@ -0,0 +1,4 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.i18n.reactnativei18n">
+
+</manifest>
diff --git a/android/src/main/java/com/i18n/reactnativei18n/ReactNativeI18n.java b/android/src/main/java/com/i18n/reactnativei18n/ReactNativeI18n.java
new file mode 100644
index 0000000..2a1b608
--- /dev/null
+++ b/android/src/main/java/com/i18n/reactnativei18n/ReactNativeI18n.java
@@ -0,0 +1,32 @@
+package com.i18n.reactnativei18n;
+
+import com.facebook.react.ReactPackage;
+import com.facebook.react.bridge.JavaScriptModule;
+import com.facebook.react.bridge.NativeModule;
+import com.facebook.react.bridge.ReactApplicationContext;
+import com.facebook.react.uimanager.ViewManager;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Collections;
+
+
+public class ReactNativeI18n implements ReactPackage {
+
+    @Override
+    public List<NativeModule> createNativeModules(ReactApplicationContext reactContext) {
+        List<NativeModule> modules = new ArrayList<>();
+        modules.add(new ReactNativeI18nLocale(reactContext));
+        return modules;
+    }
+
+    @Override
+    public List<Class<? extends JavaScriptModule>> createJSModules() {
+        return Collections.emptyList();
+    }
+
+    @Override
+    public List<ViewManager> createViewManagers(ReactApplicationContext reactContext) {
+        return Collections.emptyList();
+    }
+}
diff --git a/android/src/main/java/com/i18n/reactnativei18n/ReactNativeI18nLocale.java b/android/src/main/java/com/i18n/reactnativei18n/ReactNativeI18nLocale.java
new file mode 100644
index 0000000..bb2daa8
--- /dev/null
+++ b/android/src/main/java/com/i18n/reactnativei18n/ReactNativeI18nLocale.java
@@ -0,0 +1,31 @@
+package com.i18n.reactnativei18n;
+
+import com.facebook.react.bridge.ReactApplicationContext;
+import com.facebook.react.bridge.ReactContext;
+import com.facebook.react.bridge.ReactContextBaseJavaModule;
+import com.facebook.react.bridge.ReactMethod;
+import com.facebook.react.bridge.Callback;
+
+
+public class ReactNativeI18nLocale extends ReactContextBaseJavaModule {
+
+  ReactContext reactContext;
+
+  public ReactNativeI18nLocale(ReactApplicationContext reactContext) {
+      super(reactContext);
+      this.reactContext = reactContext;
+  }
+
+  @Override
+  public String getName() {
+      return "RNI18n";
+  }
+
+  @ReactMethod
+  public void getCurrentLocale(
+      Callback successCallback
+  ) {
+      String current = reactContext.getResources().getConfiguration().locale.toString();
+      successCallback.invoke(current);
+  }
+}
diff --git a/index.js b/index.js
index 30db660..36c0217 100644
--- a/index.js
+++ b/index.js
@@ -1,8 +1,15 @@
 'use strict';
 
+var Platform = require('Platform');
 var I18n = require('./vendor/i18n');
 var { RNI18n } = require('react-native').NativeModules;
 
-I18n.locale = RNI18n.locale.replace(/_/, '-');
+if (Platform.OS === 'android') {
+  RNI18n.getCurrentLocale( function(locale) {
+    I18n.locale = locale.replace(/_/, '-');
+  });
+} else {
+  I18n.locale = RNI18n.locale.replace(/_/, '-');
+}
 
-module.exports = I18n;
\ No newline at end of file
+module.exports = I18n;