Android studio - RatingBar setOnTouchListener 无法正常工作
Android studio - RatingBar setOnTouchListener not working properly
我正在尝试设置一个 scrollView
,里面有一个 Grid layout
,里面只有很少的 rating bars
。当我 click/touch 在这些上时,平均值被发送到最终的 Rating Bar
,它在 scrollView
.
之外
一切正常,但是,每个 ratingbar
需要 clicked/touched 两次才能发送其值。
知道为什么会这样吗?如果我将 grid layout
从 scrollView
移到外面,rating bars
会按预期工作(在一个 click/touch 上)
我用来发送评级栏值的代码是:
Valutazione[0].setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
onClickRate1();
return false;
}
});
Valutazione[1].setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
onClickRate1();
return false;
}
});
Valutazione[2].setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
onClickRate1();
return false;
}
});
....
public void onClickRate1()
{
RatingBar Valutazione[] =
{(RatingBar) findViewById(R.id.ratingBar1), (RatingBar) findViewById(R.id.ratingBar2),
(RatingBar) findViewById(R.id.ratingBar3), (RatingBar) findViewById(R.id.ratingBar4),
(RatingBar) findViewById(R.id.ratingBar5), (RatingBar) findViewById(R.id.ratingBar6),
(RatingBar) findViewById(R.id.ratingBar7), (RatingBar) findViewById(R.id.ratingBar8),
(RatingBar) findViewById(R.id.ratingBar9), (RatingBar) findViewById(R.id.ratingBar10)
};
RatingBar rateTot =(RatingBar) findViewById(R.id.ratingBartot);
float Valore[]={0,1,2,3,4,5,6,7,8,9, 10};
Valore[0]=0;Valore[1]=0;
Valore[2]=0;Valore[3]=0;
Valore[4]=0;Valore[5]=0;
Valore[6]=0;Valore[7]=0;
Valore[8]=0;Valore[9]=0;
Valore[10]=0;
int j=0, divisore=0;
TextView finalResult = (TextView) findViewById(R.id.textrate);
while(j<=9) {
Valore[j] = Valutazione[j].getRating();
if(Valore[j] > 0) divisore++;
j++;
}
Valore[10] = ( Valore[0] + Valore[1] + Valore[2] + Valore[3] + Valore[4] + Valore[5] + Valore[6] + Valore[7] + Valore[8] + Valore[9]) / divisore;
totalRating(rateTot, Valore[10], finalResult);
}
private void totalRating(RatingBar totalBar, float valoreTotale, TextView totalText) {
totalBar.setRating(valoreTotale);
}
而不是 setOnTouchListener
使用 setOnRatingBarChangeListener
.
1) 导入 android.widget.RatingBar.OnRatingBarChangeListener;
然后:
Valutazione[0].setOnRatingBarChangeListener(new OnRatingBarChangeListener() {
@Override
public void onRatingChanged(RatingBar ratingBar, float rating, boolean fromUser) {
onClickRate1();
}
});
我正在尝试设置一个 scrollView
,里面有一个 Grid layout
,里面只有很少的 rating bars
。当我 click/touch 在这些上时,平均值被发送到最终的 Rating Bar
,它在 scrollView
.
一切正常,但是,每个 ratingbar
需要 clicked/touched 两次才能发送其值。
知道为什么会这样吗?如果我将 grid layout
从 scrollView
移到外面,rating bars
会按预期工作(在一个 click/touch 上)
我用来发送评级栏值的代码是:
Valutazione[0].setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
onClickRate1();
return false;
}
});
Valutazione[1].setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
onClickRate1();
return false;
}
});
Valutazione[2].setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
onClickRate1();
return false;
}
});
....
public void onClickRate1()
{
RatingBar Valutazione[] =
{(RatingBar) findViewById(R.id.ratingBar1), (RatingBar) findViewById(R.id.ratingBar2),
(RatingBar) findViewById(R.id.ratingBar3), (RatingBar) findViewById(R.id.ratingBar4),
(RatingBar) findViewById(R.id.ratingBar5), (RatingBar) findViewById(R.id.ratingBar6),
(RatingBar) findViewById(R.id.ratingBar7), (RatingBar) findViewById(R.id.ratingBar8),
(RatingBar) findViewById(R.id.ratingBar9), (RatingBar) findViewById(R.id.ratingBar10)
};
RatingBar rateTot =(RatingBar) findViewById(R.id.ratingBartot);
float Valore[]={0,1,2,3,4,5,6,7,8,9, 10};
Valore[0]=0;Valore[1]=0;
Valore[2]=0;Valore[3]=0;
Valore[4]=0;Valore[5]=0;
Valore[6]=0;Valore[7]=0;
Valore[8]=0;Valore[9]=0;
Valore[10]=0;
int j=0, divisore=0;
TextView finalResult = (TextView) findViewById(R.id.textrate);
while(j<=9) {
Valore[j] = Valutazione[j].getRating();
if(Valore[j] > 0) divisore++;
j++;
}
Valore[10] = ( Valore[0] + Valore[1] + Valore[2] + Valore[3] + Valore[4] + Valore[5] + Valore[6] + Valore[7] + Valore[8] + Valore[9]) / divisore;
totalRating(rateTot, Valore[10], finalResult);
}
private void totalRating(RatingBar totalBar, float valoreTotale, TextView totalText) {
totalBar.setRating(valoreTotale);
}
而不是 setOnTouchListener
使用 setOnRatingBarChangeListener
.
1) 导入 android.widget.RatingBar.OnRatingBarChangeListener;
然后:
Valutazione[0].setOnRatingBarChangeListener(new OnRatingBarChangeListener() {
@Override
public void onRatingChanged(RatingBar ratingBar, float rating, boolean fromUser) {
onClickRate1();
}
});