samples/ApiDemos/src/com/example/android/apis/app/IncomingMessageInterstitial.java

/*
 * Copyright (C) 2012 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.example.android.apis.app;

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.View;
import android.widget.Button;

/**
 * This is an activity that provides an interstitial UI for the notification
 * that is posted by {@link IncomingMessage}.  It allows the user to switch
 * to the app in its appropriate state if they want.
 */
public class IncomingMessageInterstitial extends Activity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.incoming_message_interstitial);

        Button button = (Button) findViewById(R.id.notify_app);
        button.setOnClickListener(new Button.OnClickListener() {
                public void onClick(View v) {
                    switchToApp();
                }
            });
    }

//BEGIN_INCLUDE(app_launch)
    /**
     * Perform a switch to the app.  A new activity stack is started, replacing
     * whatever is currently running, and this activity is finished.
     */
    void switchToApp() {
        // We will launch the app showing what the user picked.  In this simple
        // example, it is just what the notification gave us.
        CharSequence from = getIntent().getCharSequenceExtra(IncomingMessageView.KEY_FROM);
        CharSequence msg = getIntent().getCharSequenceExtra(IncomingMessageView.KEY_MESSAGE);
        // Build the new activity stack, launch it, and finish this UI.
        Intent[] stack = IncomingMessage.makeMessageIntentStack(this, from, msg);
        startActivities(stack);
        finish();
    }
//END_INCLUDE(app_launch)
}