don't use sendJavascript

Author: tlancina

plugin.xml

@@ -11,6 +11,7 @@
     <issue>https://github.com/driftyco/ionic-plugins-keyboard/issues</issue>
 
   <js-module src="www/keyboard.js" name="keyboard">
+    <runs/>
     <clobbers target="cordova.plugins.Keyboard" />
   </js-module>
 

src/android/IonicKeyboard.java

@@ -4,6 +4,7 @@
 import org.apache.cordova.CordovaInterface;
 import org.apache.cordova.CordovaPlugin;
 import org.apache.cordova.CordovaWebView;
+import org.apache.cordova.PluginResult;
 import org.apache.cordova.PluginResult.Status;
 import org.json.JSONArray;
 import org.json.JSONException;
@@ -15,50 +16,10 @@
 import android.view.ViewTreeObserver.OnGlobalLayoutListener;
 import android.view.inputmethod.InputMethodManager;
 
-public class IonicKeyboard extends CordovaPlugin{
+public class IonicKeyboard extends CordovaPlugin {
 
     public void initialize(CordovaInterface cordova, CordovaWebView webView) {
         super.initialize(cordova, webView);
-
-        //calculate density-independent pixels (dp)
-        //http://developer.android.com/guide/practices/screens_support.html
-        DisplayMetrics dm = new DisplayMetrics();
-        cordova.getActivity().getWindowManager().getDefaultDisplay().getMetrics(dm);
-        final float density = dm.density;
-
-        final CordovaWebView appView = webView;
-
-        //http://stackoverflow.com/a/4737265/1091751 detect if keyboard is showing
-        final View rootView = cordova.getActivity().getWindow().getDecorView().findViewById(android.R.id.content).getRootView();
-        OnGlobalLayoutListener list = new OnGlobalLayoutListener() {
-            int previousHeightDiff = 0;
-            @Override
-            public void onGlobalLayout() {
-                Rect r = new Rect();
-                //r will be populated with the coordinates of your view that area still visible.
-                rootView.getWindowVisibleDisplayFrame(r);
-
-                int heightDiff = rootView.getRootView().getHeight() - (r.bottom);
-                int pixelHeightDiff = (int)(heightDiff / density);
-                if (pixelHeightDiff > 100 && pixelHeightDiff != previousHeightDiff) { // if more than 100 pixels, its probably a keyboard...
-                    appView.sendJavascript("cordova.plugins.Keyboard.isVisible = true");
-                    appView.sendJavascript("cordova.fireWindowEvent('native.keyboardshow', { 'keyboardHeight':" + Integer.toString(pixelHeightDiff)+"});");
-
-                    //deprecated
-                    appView.sendJavascript("cordova.fireWindowEvent('native.showkeyboard', { 'keyboardHeight':" + Integer.toString(pixelHeightDiff)+"});");
-                }
-                else if ( pixelHeightDiff != previousHeightDiff && ( previousHeightDiff - pixelHeightDiff ) > 100 ){
-                    appView.sendJavascript("cordova.plugins.Keyboard.isVisible = false");
-                    appView.sendJavascript("cordova.fireWindowEvent('native.keyboardhide')");
-
-                    //deprecated
-                    appView.sendJavascript("cordova.fireWindowEvent('native.hidekeyboard')");
-                }
-                previousHeightDiff = pixelHeightDiff;
-             }
-        };
-
-        rootView.getViewTreeObserver().addOnGlobalLayoutListener(list);
     }
 
     public boolean execute(String action, JSONArray args, final CallbackContext callbackContext) throws JSONException {
@@ -88,9 +49,59 @@ public void run() {
             });
             return true;
         }
+        if ("init".equals(action)) {
+            cordova.getThreadPool().execute(new Runnable() {
+                public void run() {
+                	//calculate density-independent pixels (dp)
+                    //http://developer.android.com/guide/practices/screens_support.html
+                    DisplayMetrics dm = new DisplayMetrics();
+                    cordova.getActivity().getWindowManager().getDefaultDisplay().getMetrics(dm);
+                    final float density = dm.density;
+
+                    //http://stackoverflow.com/a/4737265/1091751 detect if keyboard is showing
+                    final View rootView = cordova.getActivity().getWindow().getDecorView().findViewById(android.R.id.content).getRootView();
+                    OnGlobalLayoutListener list = new OnGlobalLayoutListener() {
+                        int previousHeightDiff = 0;
+                        @Override
+                        public void onGlobalLayout() {
+                            Rect r = new Rect();
+                            //r will be populated with the coordinates of your view that area still visible.
+                            rootView.getWindowVisibleDisplayFrame(r);
+                            
+                            PluginResult result;
+
+                            int heightDiff = rootView.getRootView().getHeight() - r.bottom;
+                            int pixelHeightDiff = (int)(heightDiff / density);
+                            if (pixelHeightDiff > 100 && pixelHeightDiff != previousHeightDiff) { // if more than 100 pixels, its probably a keyboard...
+                            	String msg = "S" + Integer.toString(pixelHeightDiff);
+                                result = new PluginResult(PluginResult.Status.OK, msg);
+                                result.setKeepCallback(true);
+                                callbackContext.sendPluginResult(result);
+                            }
+                            else if ( pixelHeightDiff != previousHeightDiff && ( previousHeightDiff - pixelHeightDiff ) > 100 ){
+                            	String msg = "H";
+                                result = new PluginResult(PluginResult.Status.OK, msg);
+                                result.setKeepCallback(true);
+                                callbackContext.sendPluginResult(result);
+                            }
+                            previousHeightDiff = pixelHeightDiff;
+                         }
+                    };
+
+                    rootView.getViewTreeObserver().addOnGlobalLayoutListener(list);
+                	
+                	
+                    PluginResult dataResult = new PluginResult(PluginResult.Status.OK);
+                    dataResult.setKeepCallback(true);
+                    callbackContext.sendPluginResult(dataResult);
+                }
+            });
+            return true;
+        }
         return false;  // Returning false results in a "MethodNotFound" error.
     }
 
 
 }
 
+

www/keyboard.js

@@ -1,7 +1,8 @@
 
 var argscheck = require('cordova/argscheck'),
     utils = require('cordova/utils'),
-    exec = require('cordova/exec');
+    exec = require('cordova/exec'),
+    channel = require('cordova/channel');
 
 
 var Keyboard = function() {
@@ -31,6 +32,31 @@ Keyboard.styleDark = function(dark) {
 
 Keyboard.isVisible = false;
 
+channel.onCordovaReady.subscribe(function() {
+  exec(success, null, 'Keyboard', 'init', []);
+
+  function success(msg) {
+   var action = msg.charAt(0);
+   if ( action === 'S' ) {
+      var keyboardHeight = msg.substr(1);
+      cordova.plugins.Keyboard.isVisible = true;
+      cordova.fireWindowEvent('native.keyboardshow', { 'keyboardHeight': + keyboardHeight });
+
+      //deprecated
+      cordova.fireWindowEvent('native.showkeyboard', { 'keyboardHeight': + keyboardHeight });
+   } 
+
+   if ( action === 'H' ) {
+     cordova.plugins.Keyboard.isVisible = false;
+     cordova.fireWindowEvent('native.keyboardhide');
+
+     //deprecated
+     cordova.fireWindowEvent('native.hidekeyboard');
+   }
+
+  }
+});
+
 module.exports = Keyboard;