觸摸監聽器OnTouchListener
讓我們的Activity去現實此接口,並重寫onTouch方法。重寫OnTouchListener的onTouch方法 此方法在觸摸屏被觸摸,即發生觸摸事件(接觸和撫摸兩個事件)的時候被調用。示範代碼如下:
@Override
public boolean onTouch(View v, MotionEvent event) {
detector.onTouchEvent(event);
Toast.makeText(this, "onTouch", TIME_OUT).show();
return true;
}
手勢滑動監聽器OnGestureListener
讓我們的Activity去現實此接口,並重寫onFling、onLongPress、onScroll、onDown、onShowPress、onSingleTapUp方法。示範代碼如下:
/**
* 手勢滑動時別調用
*/
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
float velocityY) {
if (e1.getX() - e2.getX() > FLING_MIN_DISTANCE) {
Toast.makeText(this, "向左滑動", TIME_OUT).show();
} else if (e2.getX() - e1.getX() > FLING_MIN_DISTANCE) {
Toast.makeText(this, "向右滑動", TIME_OUT).show();
}
return false;
}
/**
* 長按時被調用
*/
@Override
public void onLongPress(MotionEvent e) {
Toast.makeText(this, "觸發長按回調", TIME_OUT).show();
}
/**
* 滾動時調用
*/
@Override
public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX,
float distanceY) {
Toast.makeText(this, "觸發滾動回調", TIME_OUT).show();
return false;
}
/**
* 在按下動作時被調用
*/
@Override
public boolean onDown(MotionEvent e) {
Toast.makeText(this, "按下回調", TIME_OUT).show();
return false;
}
/**
* 按住時被調用
*/
@Override
public void onShowPress(MotionEvent e) {
Toast.makeText(this, "按住不松回調", TIME_OUT).show();
}
/**
* 擡起時被調用
*/
@Override
public boolean onSingleTapUp(MotionEvent e) {
Toast.makeText(this, "觸發擡起回調", TIME_OUT).show();
return false;
}
雙擊屏幕監聽器OnDoubleTapListener
讓我們的Activity去現實此接口,並重寫onDoubleTap、onDoubleTapEvent、onSingleTapConfirmed方法。示範代碼如下:
@Override
public boolean onDoubleTap(MotionEvent arg0) {
Toast.makeText(this, "觸發雙擊回調", TIME_OUT).show();
return false;
}
@Override
public boolean onDoubleTapEvent(MotionEvent arg0) {
Toast.makeText(this, "觸發雙擊的按下跟擡起回調", TIME_OUT).show();
return false;
}
@Override
public boolean onSingleTapConfirmed(MotionEvent arg0) {
Toast.makeText(this, "觸發單擊確認回調", TIME_OUT).show();
return false;
}