Android之泡泡效果bubble

package ymm.learns.bubbleexplosion; import androidx.appcompat.app.AppCompatActivity; import android.content.Context; import android.graphics.drawable.AnimationDrawable; import android.os.Build; import android.os.Bundle; import android.view.MotionEvent; import android.view.View; import android.view.Window; import android.view.WindowManager; import android.widget.FrameLayout; import android.widget.ImageView; public class MainActivity2 extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); // 设置全屏（无标题栏） if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) { // 对于 Android 8.0 及更高版本，使用以下方式设置全屏 // setTheme(R.style.Theme_AppCompat_Light_NoActionBar); getWindow().getDecorView().setSystemUiVisibility( View.SYSTEM_UI_FLAG_LAYOUT_STABLE | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY ); } else { // 对于较低版本的 Android，使用原始方式 requestWindowFeature(Window.FEATURE_NO_TITLE); getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); } fl = new FrameLayout(this); fl.setBackgroundResource(R.drawable.bg); exv1 = new ExplosionView(this); exv1.setVisibility(View.INVISIBLE); exv1.setBackgroundResource(R.drawable.explosion); exa1 = (AnimationDrawable) exv1.getBackground(); fl.addView(exv1); fl.setOnTouchListener(new LayoutListener()); setContentView(fl); // 开始动画（如果需要） if (exa1 != null) { exa1.start(); } } private FrameLayout fl; private ExplosionView exv1; private AnimationDrawable exa1; class ExplosionView extends androidx.appcompat.widget.AppCompatImageView { public ExplosionView(Context context) { super(context); } // 处理爆炸的位置 public void setLocation(int top, int left) { this.setFrame(left, top, left + 240, top + 240); } } class LayoutListener implements View.OnTouchListener { public boolean onTouch(View v, MotionEvent event) { // 首先，你需要停止动画，或者如果动画正在开始， exv1.setVisibility(View.INVISIBLE); exa1.stop(); float x = event.getX(); float y = event.getY(); exv1.setLocation((int) y - 20, (int) x - 20); exv1.setVisibility(View.VISIBLE); exa1.start(); return false; } } }