This is very helpful example for JavaScript
Please check
1. https://github.com/scottagarman/Android-JavaScript-Interface-Example
2. http://blog.objectgraph.com/index.php/2012/03/16/android-development-javascript-bridge-example-fully-explained/
SOURCE CODE
package ranjit.jsinandroid;
public class JSAndroid extends Activity {
private WebView wv;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_jsandroid);
// create interface
JsInterface jsInterface = new JsInterface();
// get webview and enable js
wv = (WebView) findViewById(R.id.web_view);
wv.getSettings().setJavaScriptEnabled(true);
// add interface
wv.addJavascriptInterface(jsInterface, "android");// android is the
// keyword that will
// be exposed in js
// load file
wv.loadUrl("file:///android_asset/test.html");
}
// javascript interface
private class JsInterface {
// function that will be called from assets/test.js
// js example: android.log('my message');
public void log(String msg) {
Log.d("MSG FROM JAVASCRIPT", msg);
Toast.makeText(getApplicationContext(), "JavaScript working...", 1)
.show();
}
}
}
---------------------
XML file
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<WebView
android:id="@+id/web_view"
android:layout_width="fill_parent"
android:layout_height="fill_parent" />
</LinearLayout>
------------------
HTML file
Save test.html file in assets folder
Please check
1. https://github.com/scottagarman/Android-JavaScript-Interface-Example
2. http://blog.objectgraph.com/index.php/2012/03/16/android-development-javascript-bridge-example-fully-explained/
SOURCE CODE
package ranjit.jsinandroid;
public class JSAndroid extends Activity {
private WebView wv;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_jsandroid);
// create interface
JsInterface jsInterface = new JsInterface();
// get webview and enable js
wv = (WebView) findViewById(R.id.web_view);
wv.getSettings().setJavaScriptEnabled(true);
// add interface
wv.addJavascriptInterface(jsInterface, "android");// android is the
// keyword that will
// be exposed in js
// load file
wv.loadUrl("file:///android_asset/test.html");
}
// javascript interface
private class JsInterface {
// function that will be called from assets/test.js
// js example: android.log('my message');
public void log(String msg) {
Log.d("MSG FROM JAVASCRIPT", msg);
Toast.makeText(getApplicationContext(), "JavaScript working...", 1)
.show();
}
}
}
---------------------
XML file
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<WebView
android:id="@+id/web_view"
android:layout_width="fill_parent"
android:layout_height="fill_parent" />
</LinearLayout>
------------------
HTML file
Save test.html file in assets folder
<html> <head> </head> <body> <a href="javascript:void(0);" onclick="android.log('omg its working!');">Click on this link for a log message</a> </body> </html>
