java<ToggleButton>onClickListener创建和删除按钮?
切换onClickListener时是否可以创建和删除按钮
当前我的代码如下所示:
Button minuskegle, minuskugle, pluskugle, pluskegle, plusmidkegle, minusmidkegle;
ToggleButton toggle;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
toggle = (ToggleButton) findViewById(R.id.bRedGreen);
toggle.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
pluskugle = (Button) findViewById(R.id.bBallhole);
minuskugle = (Button) findViewById(R.id.bBallhole);
pluskegle = (Button) findViewById(R.id.bKegle);
minuskegle = (Button) findViewById(R.id.bKegle);
plusmidkegle = (Button) findViewById(R.id.bKeglemid);
minusmidkegle = (Button) findViewById(R.id.bKeglemid);
if(toggle.isChecked())
{
minuskugle.setBackgroundResource(R.drawable.redballinhole);
minuskegle.setBackgroundResource(R.drawable.redkegle);
minusmidkegle.setBackgroundResource(R.drawable.midkegleminus);
}
else
{
pluskugle.setBackgroundResource(R.drawable.whiteballinhole);
pluskegle.setBackgroundResource(R.drawable.kegleb);
plusmidkegle.setBackgroundResource(R.drawable.midkegleplus);
}
}
});
}
我需要它在if(toggle.isChecked())上创建按钮
否则
删除它们
# 1 楼答案
很简单:)
找到要在其中插入新按钮的父视图,创建按钮,将按钮插入视图:
我的活动。这是必要的,因为您在click函数中,而这并不是指活动