摘要：
public class MainActivity extends Activity implements OnClickListener{ private ImageButton image=null; private Button btnAlpha=null; private Button bt... 阅读全文
摘要：
activity类：public class MainActivity extends Activity { TextView text; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(... 阅读全文
摘要：
public class GameView extends View implements Runnable{ Paint paint =null; public GameView(Context context) { super(context); paint = new Paint (); ne... 阅读全文