@Override
public boolean onTouchEvent(MotionEvent event) {
super.onTouchEvent(event);
// Logger.d(TAG, "onTouchEvent: " + event);
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
isTouched = true;
this.setLayoutParams(newLp);
endPoint.x = (int) downX;
endPoint.y = (int) downY;
changeViewHeight(
this, ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
postInvalidate();
downX = event.getX() + location[0];
downY = event.getY() + location[1];
// Logger.d(TAG, String.format("downX: %f, downY: %f", downX, downY));
break;
case MotionEvent.ACTION_MOVE:
// 计算直角边和斜边（用于计算绘制两圆之间的填充去）
triangle.deltaX = event.getX() - downX;
triangle.deltaY = -1 * (event.getY() - downY); // y轴方向相反，所有需要取反
double distance =
Math.sqrt(triangle.deltaX * triangle.deltaX + triangle.deltaY * triangle.deltaY);
triangle.hypotenuse = distance;
// Logger.d(TAG, "triangle: " + triangle);
refreshCurRadiusByMoveDistance((int) distance);
endPoint.x = (int) event.getX();
endPoint.y = (int) event.getY();
postInvalidate();
break;
case MotionEvent.ACTION_UP:
isTouched = false;
this.setLayoutParams(originLp);
if (isArrivedMaxMoved) { // 触发事件
changeViewHeight(this, originWidth, originHeight);
postInvalidate();
if (null != onDraggableFlagViewListener) {
onDraggableFlagViewListener.onFlagDismiss(this);
}
Logger.d(TAG, "触发事件...");
resetAfterDismiss();
} else { // 还原
changeViewHeight(this, originWidth, originHeight);
startRollBackAnimation(500 /*ms*/);
}
downX = Float.MAX_VALUE;
downY = Float.MAX_VALUE;
break;
}
return true;
}
