如何在android中启用或禁用复选框
我的quickalert对话框中有4个复选框。。。我想要的是,当我选中[enable]1复选框时,其他3个复选框必须被禁用。。我会单击它们,但不会禁用它们。我不知道该怎么做 以下是我想要的:如何在android中启用或禁用复选框,android,android-layout,checkbox,Android,Android Layout,Checkbox,我的quickalert对话框中有4个复选框。。。我想要的是,当我选中[enable]1复选框时,其他3个复选框必须被禁用。。我会单击它们,但不会禁用它们。我不知道该怎么做 以下是我想要的: checkmrn = (CheckBox) container.findViewById(R.id.MrnCheckBox); checkmrn.setText("By Mrn"); checkmrn.setEnabled(false); checkdate = (C
checkmrn = (CheckBox) container.findViewById(R.id.MrnCheckBox);
checkmrn.setText("By Mrn");
checkmrn.setEnabled(false);
checkdate = (CheckBox) container.findViewById(R.id.dateCheckBox);
checkdate.setText("By Date");
checkname = (CheckBox) container.findViewById(R.id.nameCheckBox);
checkname.setText("By Name");
checklocation = (CheckBox) container.findViewById(R.id.locationCheckBox);
checklocation.setText("By Location");
okButton = (Button) container.findViewById(R.id.okButton);
okButton.setText("Ok");
checkmrn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (((CheckBox) v).isChecked()) {
Toast.makeText(mContext, "By Mrn", Toast.LENGTH_SHORT).show();
}
}
});
checkdate.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (((CheckBox) v).isChecked()) {
Toast.makeText(mContext, "By Date", Toast.LENGTH_SHORT).show();
}
}
});
checkname.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (((CheckBox) v).isChecked()) {
Toast.makeText(mContext, "By Name", Toast.LENGTH_SHORT).show();
}
}
});
checklocation.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (((CheckBox) v).isChecked()) {
Toast.makeText(mContext, "By Location", Toast.LENGTH_SHORT).show();
}
}
});
如果要在选择一个选项时禁用其他选项,请创建禁用/启用方法
protected void setGroupState(boolean state)
{
//here put all options to have state changed in one go
}
然后在应更改“组”状态的选项的单击处理程序中
用适当的状态来称呼它。e、 g.设置组状态(假)
致以最诚挚的问候当单击复选框时,您可以将其他复选框设为false,当前为true,如
if (((CheckBox) v).isChecked()) {
currentchk.setChecked(true);
otherchkbox.setChecked(false);
}
试着这样做:
private OnCheckedChangeListener listener = new OnCheckedChangeListener() {
public void onCheckedChanged(CompoundButton arg0, boolean isChecked) {
if(isChecked){
switch(arg0.getId())
{
case R.id.firstCheckBox:
firstCheckBox.setChecked(true);
secondCheckBox.setChecked(false);
thirdCheckBox.setChecked(false);
break;
case R.id.secondCheckBox:
firstCheckBox.setChecked(false);
secondCheckBox.setChecked(true);
thirdCheckBox.setChecked(false);
break;
case R.id.thirdCheckBox:
firstCheckBox.setChecked(false);
secondCheckBox.setChecked(false);
thirdCheckBox.setChecked(true);
break;
}
}
}
};
以下是上述问题的工作代码
checkmrn = (CheckBox) container.findViewById(R.id.MrnCheckBox);
checkmrn.setText("By Mrn");
checkdate = (CheckBox) container.findViewById(R.id.dateCheckBox);
checkdate.setText("By Date");
checkname = (CheckBox) container.findViewById(R.id.nameCheckBox);
checkname.setText("By Name");
checklocation = (CheckBox) container.findViewById(R.id.locationCheckBox);
checklocation.setText("By Location");
okButton = (Button) container.findViewById(R.id.okButton);
okButton.setText("Ok");
checkmrn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (((CheckBox) v).isChecked()) {
checkmrn.setChecked(true);
Toast.makeText(mContext, "By Mrn", Toast.LENGTH_SHORT).show();
checkdate.setChecked(false);
checkname.setChecked(false);
checklocation.setChecked(false);
}
}
});
checkdate.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (((CheckBox) v).isChecked()) {
checkdate.setChecked(true);
Toast.makeText(mContext, "By Date", Toast.LENGTH_SHORT).show();
checkmrn.setChecked(false);
checkname.setChecked(false);
checklocation.setChecked(false);
}
}
});
checkname.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (((CheckBox) v).isChecked()) {
checkname.setChecked(true);
Toast.makeText(mContext, "By Name", Toast.LENGTH_SHORT).show();
checkmrn.setChecked(false);
checkdate.setChecked(false);
checklocation.setChecked(false);
}
}
});
checklocation.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (((CheckBox) v).isChecked()) {
checklocation.setChecked(true);
Toast.makeText(mContext, "By Location", Toast.LENGTH_SHORT).show();
checkmrn.setChecked(false);
checkname.setChecked(false);
checkdate.setChecked(false);
}
}
});
checkmrn = (CheckBox) container.findViewById(R.id.MrnCheckBox);
checkmrn.setText("By Mrn");
checkdate = (CheckBox) container.findViewById(R.id.dateCheckBox);
checkdate.setText("By Date");
checkname = (CheckBox) container.findViewById(R.id.nameCheckBox);
checkname.setText("By Name");
checklocation = (CheckBox) container.findViewById(R.id.locationCheckBox);
checklocation.setText("By Location");
okButton = (Button) container.findViewById(R.id.okButton);
okButton.setText("Ok");
checkmrn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (((CheckBox) v).isChecked()) {
checkmrn.setChecked(true);
Toast.makeText(mContext, "By Mrn", Toast.LENGTH_SHORT).show();
checkdate.setChecked(false);
checkname.setChecked(false);
checklocation.setChecked(false);
}
}
});
checkdate.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (((CheckBox) v).isChecked()) {
checkdate.setChecked(true);
Toast.makeText(mContext, "By Date", Toast.LENGTH_SHORT).show();
checkmrn.setChecked(false);
checkname.setChecked(false);
checklocation.setChecked(false);
}
}
});
checkname.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (((CheckBox) v).isChecked()) {
checkname.setChecked(true);
Toast.makeText(mContext, "By Name", Toast.LENGTH_SHORT).show();
checkmrn.setChecked(false);
checkdate.setChecked(false);
checklocation.setChecked(false);
}
}
});
checklocation.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (((CheckBox) v).isChecked()) {
checklocation.setChecked(true);
Toast.makeText(mContext, "By Location", Toast.LENGTH_SHORT).show();
checkmrn.setChecked(false);
checkname.setChecked(false);
checkdate.setChecked(false);
}
}
});
只需在RadioGroup中使用RadioButton!!!这就是你想要的 您可以使用
复选框的属性,该复选框是可设置单击的
以下是允许禁用复选框的简单代码示例:
CheckBox check_1;
check_1 = (CheckBoX)findViewById(R.id.(the id of your checkbox in xml));
check_1.setClickable(false);
//then this checkbox will be disabled.
当您单击其他布局或按钮等时,您可以添加此行代码->
在Kotlin:yourCheckbox.isChecked=!yourCheckbox.isChecked
在Java:yourCheckbox.setChecked()=!yourCheckbox.isChecked()
希望这能对您有所帮助:)如果您只需要一个选项,为什么不使用单选按钮?