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package com.ionic.keyboard;
import org.apache.cordova.CallbackContext;
import org.apache.cordova.CordovaInterface;
import org.apache.cordova.CordovaPlugin;
import org.apache.cordova.CordovaWebView;
import org.apache.cordova.PluginResult.Status;
import org.json.JSONArray;
import org.json.JSONException;
import android.content.Context;
import android.graphics.Rect;
import android.util.DisplayMetrics;
import android.view.View;
import android.view.ViewTreeObserver.OnGlobalLayoutListener;
import android.view.inputmethod.InputMethodManager;
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 - r.top);
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 {
if ("close".equals(action)) {
cordova.getThreadPool().execute(new Runnable() {
public void run() {
//http://stackoverflow.com/a/7696791/1091751
InputMethodManager inputManager = (InputMethodManager) cordova.getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
View v = cordova.getActivity().getCurrentFocus();
if (v == null) {
callbackContext.error("No current focus");
} else {
inputManager.hideSoftInputFromWindow(v.getWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);
callbackContext.success(); // Thread-safe.
}
}
});
return true;
}
if ("show".equals(action)) {
cordova.getThreadPool().execute(new Runnable() {
public void run() {
((InputMethodManager) cordova.getActivity().getSystemService(Context.INPUT_METHOD_SERVICE)).toggleSoftInput(0, InputMethodManager.HIDE_IMPLICIT_ONLY);
callbackContext.success(); // Thread-safe.
}
});
return true;
}
return false; // Returning false results in a "MethodNotFound" error.
}
}
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