android_development/samples/MultiWindow/src/com/example/android/multiwindow/MoveTaskToSideActivity.java

package com.example.android.multiwindow;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;

public class MoveTaskToSideActivity extends Activity implements View.OnClickListener {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.move_task_to_side_layout);
        findViewById(R.id.button).setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        Intent intent = new Intent(this, LaunchingToSideActivity.class);
        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_LAUNCH_ADJACENT);
        startActivity(intent);
    }
}