/*
* Copyright (C) 2023 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.sdksandboxclient;
import android.app.Activity;
import android.app.sdksandbox.interfaces.IMediateeSdkApi;
import android.os.Bundle;
import android.os.RemoteException;
import android.webkit.JavascriptInterface;
import android.webkit.WebSettings;
import android.webkit.WebView;
public class AppWebViewActivity extends Activity {
private JsInterface mInterface;
private WebView mWebView;
private static final String SANDBOXED_SDK_BINDER = "com.android.sdksandboxclient.SANDBOXED_SDK";
@Override
public void onCreate(Bundle bundle) {
super.onCreate(bundle);
setContentView(R.layout.activity_app_webview);
mInterface =
new JsInterface(
IMediateeSdkApi.Stub.asInterface(
getIntent().getIBinderExtra(SANDBOXED_SDK_BINDER)));
startWebview();
}
private void startWebview() {
mWebView = findViewById(R.id.app_webview);
initializeSettings(mWebView.getSettings());
loadDataInWebview(
""
+ "Touch the screen to check Javascript bridge functionality!"
+ "
");
mWebView.addJavascriptInterface(mInterface, "interface");
mWebView.setOnTouchListener(
(v, event) -> {
loadDataInWebview(
""
+ "Result here>
"
+ "");
return true;
});
}
private void initializeSettings(WebSettings settings) {
settings.setJavaScriptEnabled(true);
}
/** Loads some basic HTML in the Webview. */
private void loadDataInWebview(String data) {
mWebView.loadData("" + data + "", "text/html", null);
}
private static class JsInterface {
IMediateeSdkApi mApi;
private JsInterface(IMediateeSdkApi api) {
mApi = api;
}
@JavascriptInterface
@SuppressWarnings("UnusedMethod")
public String getString() {
try {
return mApi.getMessage();
} catch (RemoteException e) {
return e.getMessage();
}
}
}
}