问题描述
详细信息::我有2个带有一些单选按钮的单选组。
我做了什么:
rgOne.setonCheckedchangelistener(RadioGroup.OnCheckedchangelistener { group,checkedId ->
try {
val checkedRadioButtonId: Int = rgOne.checkedRadioButtonId
if (checkedRadioButtonId != null) {
oneItem = oneList[checkedRadioButtonId]
healthy = oneItem.code!!
AppGlobal.displayShortToast(
this,"You selected: " + oneItem.title
)
if (rgTwo.checkedRadioButtonId != -1) {
rgTwo.clearCheck()
}
}
} catch (e: Exception) {
e.printstacktrace()
}
})
rgTwo.setonCheckedchangelistener(RadioGroup.OnCheckedchangelistener { group,checkedId ->
try {
val checkedRadioButtonId: Int = rgTwo.checkedRadioButtonId
if (checkedRadioButtonId != null) {
twoItem = twoList[checkedRadioButtonId]
unhealthy = twoItem.code!!
AppGlobal.displayShortToast(
this,"You selected: " + twoItem.title
)
if (rgOne.checkedRadioButtonId != -1) {
rgOne.clearCheck()
}
}
} catch (e: Exception) {
e.printstacktrace()
}
})
面对问题::当我将其称为rgOne.clearCheck()或rgTwo.clearCheck()时,呼叫整个广播组单击监听器,然后取消选中我检查的内容。像选择nothig一样,可以完美地实现第一次使用。
解决方法
在Activity的onCreate()或Fragment的onCreateView()内部调用此行一次:
rgOne.setOnCheckedChangeListener(onCheckedChangeListener)
rgTwo.setOnCheckedChangeListener(onCheckedChangeListener)
声明此变量:
private val onCheckedChangeListener =
RadioGroup.OnCheckedChangeListener { group,checkedId ->
if (group!!.id == R.id.rgOne) {
try {
AppLog.e("Call healthy")
val checkedRadioButtonId: Int = rgOne.checkedRadioButtonId
if (checkedRadioButtonId != null) {
if (rgTwo.checkedRadioButtonId != -1) {
resetRadioGroup(rgTwo)
}
}
} catch (e: Exception) {
e.printStackTrace()
}
} else {
try {
AppLog.e("Call Unhealthy")
val checkedRadioButtonId: Int = rgTwo.checkedRadioButtonId
if (checkedRadioButtonId != null) {
if (rgOne.checkedRadioButtonId != -1) {
resetRadioGroup(rgOne)
}
}
} catch (e: Exception) {
e.printStackTrace()
}
}
}
用于重置无线电组的功能:
fun resetRadioGroup(rgType: RadioGroup) {
rgType.setOnCheckedChangeListener(null)
rgType.clearCheck()
rgType.setOnCheckedChangeListener(onCheckedChangeListener)
}