public class MainActivity extends Activity {
private WebView web;
private Button btn;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate (savedInstanceState);
setContentView(R.layout.activity_main);
btn = (Button) findViewById(R.id.usejsmethod);
btn.setOnClickListener (listener);
web = (WebView) findViewById(R.id.webView);
initsetting();
web.loadUrl("file:///android_asset/jstest.html");
web.addJavascriptInterface(new Object() {
// right name
@android.webkit.JavascriptInterface
public void setinfo(String name, String myclass) {
Toast.makeText(MainActivity.this, "name" + name + "class" + myclass,
0).show();
}
}, "javaCode");
}
private void initsetting() {
WebSettings settings = web.getSettings();
// set support
settings.setJavaScriptEnabled(true);
}
OnClickListener listener = new OnClickListener() {
// call the js method
@Override
public void onClick(View v) {
web.loadUrl("javascript:_onsubmit()");
}
};
}