Expose ace.android.startActivity to JS

Cutting down on the app code needed

src/android/host/NativeHost.java

@@ -71,8 +71,6 @@ public class NativeHost extends CordovaPlugin {
         return id;
     }
 
-    // Can be used by third-party JavaScript to start an activity
-    // TODO: Or just expose JavaScript API using Class.forName, etc.
     public static void startActivity(String name) {
         Class c = null;
         try {
@@ -80,8 +78,8 @@ public class NativeHost extends CordovaPlugin {
         } catch (ClassNotFoundException e) {
                 throw new RuntimeException("Unable to find a class named '" + name + "'");
         }
-        android.content.Intent intent = new android.content.Intent(NativeHost._activity, c);
-        NativeHost._activity.startActivity(intent);
+        android.content.Intent intent = new android.content.Intent(_activity, c);
+        _activity.startActivity(intent);
     }
 
 	@Override
@@ -198,6 +196,9 @@ public class NativeHost extends CordovaPlugin {
 		else if (action.equals("getAndroidId")) {
 			this.getAndroidId(args.getString(0), callbackContext);
 		}
+		else if (action.equals("startAndroidActivity")) {
+			this.startAndroidActivity(args.getString(0), callbackContext);
+		}
 		else if (action.equals("setPopupsCloseOnHtmlNavigation")) {
 			this.setPopupsCloseOnHtmlNavigation(args.getBoolean(0), callbackContext);
 		}
@@ -406,6 +407,12 @@ public class NativeHost extends CordovaPlugin {
         callbackContext.success(id);
 	}
 
+    // Exposed to JavaScript
+    public void startAndroidActivity(String name, CallbackContext callbackContext) {
+		NativeHost.startActivity(name);
+		callbackContext.success();
+    }
+
     void setPopupsCloseOnHtmlNavigation(boolean value, CallbackContext callbackContext) {
         _setting_PopupsCloseOnHtmlNavigation = value;
         callbackContext.success();

www/ToNative.js

@@ -281,10 +281,6 @@ ToNative.loadPlatformSpecificMarkup = function (uri, onSuccess, onError) {
     exec(onSuccess, onError, "NativeHost", "loadPlatformSpecificMarkup", [uri]);
 };
 
-ToNative.getAndroidId = function (name, onSuccess, onError) {
-    exec(onSuccess, onError, "NativeHost", "getAndroidId", [name]);
-};
-
 ToNative.isSupported = function (onSuccess, onError) {
     exec(onSuccess, onError, "NativeHost", "isSupported", []);
 };
@@ -297,4 +293,15 @@ ToNative.setPopupsCloseOnHtmlNavigation = function (bool, onSuccess, onError) {
     exec(onSuccess, onError, "NativeHost", "setPopupsCloseOnHtmlNavigation", [bool]);
 };
 
+//
+// Android-specific entry points:
+//
+ToNative.getAndroidId = function (name, onSuccess, onError) {
+    exec(onSuccess, onError, "NativeHost", "getAndroidId", [name]);
+};
+
+ToNative.startAndroidActivity = function (name, onSuccess, onError) {
+    exec(onSuccess, onError, "NativeHost", "startAndroidActivity", [name]);
+};
+
 module.exports = ToNative;

www/framework/platformHelpers/android.js

@@ -48,6 +48,10 @@ module.exports = {
         ace.ToNative.getAndroidId(name, onSuccess, ace.ToNative.errorHandler(onError));
     },
 
+    startActivity: function (name, onSuccess, onError) {
+        ace.ToNative.startAndroidActivity(name, onSuccess, ace.ToNative.errorHandler(onError));
+    },
+
     appWidget: {
         clear: function() {
             ace.NativeObject.invoke("run.ace.AppWidgetData", "clear");