예제 #1
0
 public boolean onTouch(int action, float x, float y) {
   if (action == MotionEvent.ACTION_DOWN) {
     int additionWidth = (height - thumbWidth) / 2;
     if (thumbX - additionWidth <= x
         && x <= thumbX + thumbWidth + additionWidth
         && y >= 0
         && y <= height) {
       pressed = true;
       thumbDX = (int) (x - thumbX);
       return true;
     }
   } else if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_CANCEL) {
     if (pressed) {
       if (action == MotionEvent.ACTION_UP && delegate != null) {
         delegate.onSeekBarDrag((float) thumbX / (float) (width - thumbWidth));
       }
       pressed = false;
       return true;
     }
   } else if (action == MotionEvent.ACTION_MOVE) {
     if (pressed) {
       thumbX = (int) (x - thumbDX);
       if (thumbX < 0) {
         thumbX = 0;
       } else if (thumbX > width - thumbWidth) {
         thumbX = width - thumbWidth;
       }
       return true;
     }
   }
   return false;
 }
 @Override
 public boolean onTouchEvent(MotionEvent event) {
   if (event == null) {
     return false;
   }
   float x = event.getX();
   float y = event.getY();
   float thumbX = (int) ((getMeasuredWidth() - thumbWidth) * progress);
   if (event.getAction() == MotionEvent.ACTION_DOWN) {
     int additionWidth = (getMeasuredHeight() - thumbWidth) / 2;
     if (thumbX - additionWidth <= x
         && x <= thumbX + thumbWidth + additionWidth
         && y >= 0
         && y <= getMeasuredHeight()) {
       pressed = true;
       thumbDX = (int) (x - thumbX);
       getParent().requestDisallowInterceptTouchEvent(true);
       invalidate();
       return true;
     }
   } else if (event.getAction() == MotionEvent.ACTION_UP
       || event.getAction() == MotionEvent.ACTION_CANCEL) {
     if (pressed) {
       if (event.getAction() == MotionEvent.ACTION_UP && delegate != null) {
         delegate.onSeekBarDrag(thumbX / (float) (getMeasuredWidth() - thumbWidth));
       }
       pressed = false;
       invalidate();
       return true;
     }
   } else if (event.getAction() == MotionEvent.ACTION_MOVE) {
     if (pressed) {
       thumbX = (int) (x - thumbDX);
       if (thumbX < 0) {
         thumbX = 0;
       } else if (thumbX > getMeasuredWidth() - thumbWidth) {
         thumbX = getMeasuredWidth() - thumbWidth;
       }
       progress = thumbX / (getMeasuredWidth() - thumbWidth);
       invalidate();
       return true;
     }
   }
   return false;
 }