我想以编程方式创建多个ImageButtons。我能够创建他们,但click事件侦听器不断接收了同样的观点(按钮2),我是否点击按钮0,按钮1或按钮2。
I want to create several ImageButtons programatically. I am able to create them but the click event listener keeps receiving the same view (Button 2), whether I click on button 0 ,button1 or button 2.
RelativeLayout gameBoard = (RelativeLayout) findViewById(R.id.RelGameboard);
RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT);
lp.addRule(RelativeLayout.CENTER_IN_PARENT,1);
for(int i = 0 ; i < 3 ; i++)
{
ImageButton btnGreen = new ImageButton(this);
btnGreen.setImageResource(R.drawable.bola_verde);
btnGreen.setLayoutParams(lp);
btnGreen.setOnClickListener(mGreenBallOnClickListener);
btnGreen.setBackgroundColor(Color.TRANSPARENT);
btnGreen.setTag(i);
btnGreen.setId(i);
gameBoard.addView(btnGreen);
}'
点击事件监听器:
private View.OnClickListener mGreenBallOnClickListener = new View.OnClickListener() {
@Override
public void onClick(View v) {
//check which green ball was clicked
ImageButton imgBtn = (ImageButton) v;
Log.i("greeny","Clicked on green ball->"+imgBtn.getTag()+" v.ID->"+v.getId());
}
};
对于任何的ImageButton得出,当我点击我得到:点击绿色的球 - > 2 v.ID-> 2
For any imagebutton drawn, when I click I get : Clicked on green ball->2 v.ID->2
按钮是在不同的位置(我设置了不同的填充为他们每个人,但为了简化code我没有把它放在这里)
The buttons are in different positions ( i set a different padding for each one of them but in order to simplify the code I didn't put it here )
尝试添加 onClickListener
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private View.OnClickListener ClickListener = new View.OnClickListener() {
@Override
public void onClick(View v) {
int selected_item = (Integer) v.getTag();
}
};
修改
尝试创建一个数组的 ImageButtons
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Try creating a array of ImageButtons
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ImageButton[] btnGreen = new ImageButton[3];
for (int i = 0; i < 3; i++) {
btnGreen[i] = new ImageButton(this);
btnGreen[i].setImageResource(R.drawable.bola_verde);
btnGreen[i].setLayoutParams(lp);
btnGreen[i].setOnClickListener(ClickListener);
btnGreen[i].setBackgroundColor(Color.TRANSPARENT);
btnGreen[i].setTag(i);
btnGreen[i].setId(i);
gameBoard.addView(btnGreen[i]);
}