Add support for vibration patterns

Summary:and "not supported" warnings for ios
Closes https://github.com/facebook/react-native/pull/6400

Differential Revision: D3113988

fb-gh-sync-id: 169623f157ec59c38b4368cbc668c85201b67ed8
fbshipit-source-id: 169623f157ec59c38b4368cbc668c85201b67ed8

Examples/UIExplorer/VibrationExample.js

@@ -27,7 +27,8 @@ var {
 exports.framework = 'React';
 exports.title = 'Vibration';
 exports.description = 'Vibration API';
-exports.examples = [{
+exports.examples = [
+  {
     title: 'Vibration.vibrate()',
     render() {
       return (
@@ -40,7 +41,50 @@ exports.examples = [{
         </TouchableHighlight>
       );
     },
-}];
+  },
+  {
+    title: 'Vibration.vibrate([0, 500, 200, 500])',
+    render() {
+      return (
+        <TouchableHighlight
+          style={styles.wrapper}
+          onPress={() => Vibration.vibrate([0, 500, 200, 500])}>
+          <View style={styles.button}>
+            <Text>Vibrate once</Text>
+          </View>
+        </TouchableHighlight>
+      );
+    },
+  },
+  {
+    title: 'Vibration.vibrate([0, 500, 200, 500], true)',
+    render() {
+      return (
+        <TouchableHighlight
+          style={styles.wrapper}
+          onPress={() => Vibration.vibrate([0, 500, 200, 500], true)}>
+          <View style={styles.button}>
+            <Text>Vibrate until cancel</Text>
+          </View>
+        </TouchableHighlight>
+      );
+    },
+  },
+  {
+    title: 'Vibration.cancel()',
+    render() {
+      return (
+        <TouchableHighlight
+          style={styles.wrapper}
+          onPress={() => Vibration.cancel()}>
+          <View style={styles.button}>
+            <Text>Cancel</Text>
+          </View>
+        </TouchableHighlight>
+      );
+    },
+  },
+];
 
 var styles = StyleSheet.create({
   wrapper: {

Libraries/Vibration/Vibration.js

@@ -27,11 +27,35 @@ var Platform = require('Platform');
  */
 
 var Vibration = {
-  vibrate: function(duration: number = 400) {
+  vibrate: function(pattern: number | Array<number> = 400, repeat: boolean = false) {
     if (Platform.OS === 'android') {
-      RCTVibration.vibrate(duration);
+      if (typeof pattern === 'number') {
+        RCTVibration.vibrate(pattern);
+      } else if (Array.isArray(pattern)) {
+        RCTVibration.vibrateByPattern(pattern, repeat ? 0 : -1);
       } else {
+        throw new Error('Vibration pattern should be a number or array');
+      }
+    } else {
+      if (typeof pattern === 'number') {
         RCTVibration.vibrate();
+      } else if (Array.isArray(pattern)) {
+        console.warn('Vibration patterns are not supported on iOS');
+      } else {
+        throw new Error('Vibration pattern should be a number or array');
+      }
+    }
+  },
+  /**
+   * Stop vibration
+   *
+   * @platform android
+   */
+  cancel: function() {
+    if (Platform.OS === 'ios') {
+      console.warn('Vibration.cancel is not supported on iOS');
+    } else {
+      RCTVibration.cancel();
     }
   }
 };

ReactAndroid/src/main/java/com/facebook/react/modules/vibration/VibrationModule.java

@@ -15,6 +15,7 @@ import android.os.Vibrator;
 import com.facebook.react.bridge.ReactApplicationContext;
 import com.facebook.react.bridge.ReactContextBaseJavaModule;
 import com.facebook.react.bridge.ReactMethod;
+import com.facebook.react.bridge.ReadableArray;
 
 public class VibrationModule extends ReactContextBaseJavaModule {
 
@@ -34,4 +35,25 @@ public class VibrationModule extends ReactContextBaseJavaModule {
       v.vibrate(duration);
     }
   }
+
+  @ReactMethod
+  public void vibrateByPattern(ReadableArray pattern, int repeat) {
+    long[] patternLong = new long[pattern.size()];
+    for (int i = 0; i < pattern.size(); i++) {
+      patternLong[i] = pattern.getInt(i);
+    }
+
+    Vibrator v = (Vibrator) getReactApplicationContext().getSystemService(Context.VIBRATOR_SERVICE);
+    if (v != null) {
+      v.vibrate(patternLong, repeat);
+    }
+  }
+
+  @ReactMethod
+  public void cancel() {
+    Vibrator v = (Vibrator) getReactApplicationContext().getSystemService(Context.VIBRATOR_SERVICE);
+    if (v != null) {
+      v.cancel();
+    }
+  }
 }