The file containing the source code shown below is located in the corresponding directory in <sdk>/platforms/android-<version>/samples/...
/*
* Copyright (C) 2007 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
*
* https://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.example.android.apis.app;
// Need the following import to get access to the app resources, since this
// class is in a sub-package.
import com.example.android.apis.R;
import android.app.Activity;
import android.app.NotificationManager;
import android.content.Intent;
import android.os.Bundle;
import android.view.Gravity;
import android.view.View;
import android.view.WindowManager;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;
/**
* Activity used by StatusBarNotification to show the notification to the user.
*/
public class NotificationDisplay extends Activity implements View.OnClickListener {
/**
* Initialization of the Activity after it is first created. Must at least
* call {@link android.app.Activity#setContentView setContentView()} to
* describe what is to be displayed in the screen.
*/
@Override
protected void onCreate(Bundle icicle) {
// Be sure to call the super class.
super.onCreate(icicle);
// Have the system blur any windows behind this one.
getWindow().setFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND,
WindowManager.LayoutParams.FLAG_BLUR_BEHIND);
RelativeLayout container = new RelativeLayout(this);
ImageButton button = new ImageButton(this);
button.setImageResource(getIntent().getIntExtra("moodimg", 0));
button.setOnClickListener(this);
RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams(
RelativeLayout.LayoutParams.WRAP_CONTENT,
RelativeLayout.LayoutParams.WRAP_CONTENT);
lp.addRule(RelativeLayout.CENTER_IN_PARENT);
container.addView(button, lp);
setContentView(container);
}
public void onClick(View v) {
// The user has confirmed this notification, so remove it.
((NotificationManager) getSystemService(NOTIFICATION_SERVICE))
.cancel(R.layout.status_bar_notifications);
// Pressing on the button brings the user back to our mood ring,
// as part of the api demos app. Note the use of NEW_TASK here,
// since the notification display activity is run as a separate task.
Intent intent = new Intent(this, StatusBarNotifications.class);
intent.setAction(Intent.ACTION_MAIN);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
// We're done.
finish();
}
}