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package com.example.android.apis.app;
import com.example.android.apis.R;
import android.app.Activity;
import android.app.PendingIntent;
import android.app.PendingIntent.CanceledException;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
/**
* Example of various Intent flags to modify the activity stack.
*/
public class IntentActivityFlags extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.intent_activity_flags);
// Watch for button clicks.
Button button = (Button)findViewById(R.id.flag_activity_clear_task);
button.setOnClickListener(mFlagActivityClearTaskListener);
button = (Button)findViewById(R.id.flag_activity_clear_task_pi);
button.setOnClickListener(mFlagActivityClearTaskPIListener);
}
/**
* This creates an array of Intent objects representing the back stack
* for a user going into the Views/Lists API demos.
*/
//BEGIN_INCLUDE(intent_array)
private Intent[] buildIntentsToViewsLists() {
// We are going to rebuild our task with a new back stack. This will
// be done by launching an array of Intents, representing the new
// back stack to be created, with the first entry holding the root
// and requesting to reset the back stack.
Intent[] intents = new Intent[3];
// First: root activity of ApiDemos.
// This is a convenient way to make the proper Intent to launch and
// reset an application's task.
intents[0] = Intent.makeRestartActivityTask(new ComponentName(this,
com.example.android.apis.ApiDemos.class));
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.setClass(IntentActivityFlags.this, com.example.android.apis.ApiDemos.class);
intent.putExtra("com.example.android.apis.Path", "Views");
intents[1] = intent;
intent = new Intent(Intent.ACTION_MAIN);
intent.setClass(IntentActivityFlags.this, com.example.android.apis.ApiDemos.class);
intent.putExtra("com.example.android.apis.Path", "Views/Lists");
intents[2] = intent;
return intents;
}
//END_INCLUDE(intent_array)
private OnClickListener mFlagActivityClearTaskListener = new OnClickListener() {
public void onClick(View v) {
startActivities(buildIntentsToViewsLists());
}
};
private OnClickListener mFlagActivityClearTaskPIListener = new OnClickListener() {
public void onClick(View v) {
Context context = IntentActivityFlags.this;
//BEGIN_INCLUDE(pending_intent)
PendingIntent pi = PendingIntent.getActivities(context, 0,
buildIntentsToViewsLists(), PendingIntent.FLAG_UPDATE_CURRENT);
//END_INCLUDE(pending_intent)
try {
pi.send();
} catch (CanceledException e) {
Log.w("IntentActivityFlags", "Failed sending PendingIntent", e);
}
}
};
}
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