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我试图只在按钮被点击时画一个圆。要移动该圆圈,必须单击一个按钮才能进行移动。然而,点击按钮后,bclick的初始值为false,但bclick的值始终为真。如何使它在绘制圆圈后每次都将bclick设置为false?Android:布尔型
我的视图类:
@Override
public boolean onTouchEvent(MotionEvent event) {
x = event.getX();
y = event.getY();
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
if (MainActivity.isButtonClicked() == true){
canvas.drawCircle(x, y, radius, paint)
invalidate();
}
break;
case MotionEvent.ACTION_MOVE:
lastx = event.getX();
lasty = event.getY();
if (MainActivity.isMoveButtonClicked() == true && Mainactivity.is ButtonCLicked() == false){
canvas.drawCircle(lastx, lasty, radius, paint)
invalidate();// if this is used, the moving is slow and doesnt move to the exact spot at (lastx, laxyy)
}
break;
}
我的MainActivity:
boolean bclick =false;
boolean mbclick =false;
drawbutton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
bclick = true;
}
});
bclick = false;
movebutton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
mbclick = true;
}
});
mbclick = false;
public static boolean isButtonClicked() {
return bclick;
}
public static void setButtonClicked(boolean torf)
{
bclick = torf;
}
public static boolean isMoveButtonClicked() {
return mbclick;
}
public static void setMoveButtonClicked(boolean torf)
{
mbclick = torf;
}
我曾尝试这种方法,但是当我尝试移动圆圈(按下anot后她的按钮)时,圆的移动变得缓慢并且不会停在最后触摸的坐标处。我用更多的代码更新了这个。请指教谢谢。 – user3306996