我在Android上構建應用程序還不太熟悉。我確實有一些Java開發經驗,但我現在所做的項目首先是Android。Android移動對象觸摸
我正在構建一個基本的紙牌遊戲,我希望卡移動到我觸摸的特定位置。 我做到了,卡片移動到了觸摸點,但是一旦動畫結束,它就會彈回起始位置。
我添加了一個圖像重新定位代碼,但現在它從這一點開始動畫。 任何想法,任何人?
我做的代碼是:
public class FinallyActivity extends Activity {
/** Called when the activity is first created. */
EditText DBG;
ImageView iv;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
DBG = (EditText) findViewById(R.id.editText1);
iv = (ImageView) findViewById(R.id.imV1);
}
private void RunAnimations(MotionEvent event) {
// Animation b = AnimationUtils.loadAnimation(this,R.anim.cardtrans);
int xStart, yStart, dx, dy;
xStart = iv.getLeft();
yStart = iv.getTop();
Animation b = new TranslateAnimation(Animation.ABSOLUTE,0,Animation.ABSOLUTE,event.getX()-50,
Animation.ABSOLUTE,0,Animation.ABSOLUTE,event.getY()- 105);
b.setDuration(3000);
iv.clearAnimation();
iv.startAnimation(b);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if (event.getAction() == MotionEvent.ACTION_DOWN) {
RunAnimations(event);
}
iv.layout((int)event.getX()-25,(int) event.getY()-105,
(int)event.getX()+25,(int) event.getY()-35);
return true;
}
}
謝謝大家!
下面是一個例子http://thegeekyland.blogspot.com/2015/12/android-animations-explained.html – Arlind 2015-12-06 13:44:44