嗨,大家好,我是android的新手,我想在大学练习中提供一些帮助:) 我想创建一个微型游戏,其中一个图像(机器人)出现在随机位置并消失,我必须射击它直到退出。 我有随机坐标,但是我不知道如何闪烁。当我启动该应用程序时,请执行1,然后在屏幕上的1个位置站立
public class JatekTer extends AppCompatactivity {
ImageView robot;
ImageView explosion;
AnimationDrawable andrw;
Bitmap bmap;
int delay_ms = 1000;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setRequestedOrientation(activityInfo.SCREEN_ORIENTATION_PORTRAIT);
setRequestedOrientation(activityInfo.SCREEN_ORIENTATION_LANDSCAPE);
setContentView(R.layout.activity_jatek_ter);
robot = (ImageView) findViewById(R.id.robotimage);
robot.setOnClicklistener(new View.OnClicklistener() {
@Override
public void onClick(View v) {
robot.setImageResource(R.drawable.explosionrobot);
}
});
Handler hand = new Handler();
hand.postDelayed(new Runnable() {
@Override
public void run() {
flashing();
}
},delay_ms);
}
public void flashing(){
AbsoluteLayout.LayoutParams absParams =
(AbsoluteLayout.LayoutParams) robot.getLayoutParams();
DisplayMetrics displaymetrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(displaymetrics);
int width = displaymetrics.widthPixels-150;
int height = displaymetrics.heightPixels-150;
Random r = new Random();
absParams.x = r.nextInt(width);
absParams.y = r.nextInt(height);
robot.setLayoutParams(absParams);
robot.setVisibility(View.VISIBLE);
}
}