FormDemoActivity.java

package ee.ioc.phon.android.speak.demo;

import android.app.Activity;
import android.content.Context;
import android.os.Build;
import android.os.Bundle;
import android.webkit.JavascriptInterface;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.widget.Toast;

import ee.ioc.phon.android.speak.R;

public class FormDemoActivity extends Activity {

    public class WebAppInterface {
        Context mContext;

        /**
         * Instantiate the interface and set the context
         */
        WebAppInterface(Context c) {
            mContext = c;
        }

        /**
         * Show a toast from the web page
         */
        @JavascriptInterface
        public void showToast(String toast) {
            Toast.makeText(mContext, toast, Toast.LENGTH_SHORT).show();
        }
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        WebView webview = new WebView(this);
        setContentView(webview);
        WebSettings webSettings = webview.getSettings();
        webSettings.setJavaScriptEnabled(true);
        // addJavascriptInterface has security issues below API 17
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {
            webview.addJavascriptInterface(new WebAppInterface(this), "Android");
        }
        webview.loadUrl(getString(R.string.fileFormDemo));
    }

}