学步园

EX03_12Activity

public class EX03_12Activity extends Activity {
	
	Button myButton;
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        myButton = (Button)findViewById(R.id.button1);
        
        myButton.setOnClickListener(new Button.OnClickListener(){

			public void onClick(View arg0) {
				// TODO Auto-generated method stub
				new AlertDialog.Builder(EX03_12Activity.this).
				setTitle("对话框").setMessage("这是对话框").setPositiveButton("确定", new DialogInterface.OnClickListener() {
					
					public void onClick(DialogInterface dialog, int which) {
						// TODO Auto-generated method stub
						
					}
				}).show();
					
			}});
    }
}

截图