如何仅在确认对话框后翻转开关的检查状态? [英] How to flip the checked status of a Switch only after confirm dialog?
问题描述
我的问题是-当我单击 < ; Switch>
,它会先切换,然后调用 OnCheckedChangeListener
。
我想要的是>>
< Switch> $单击c $ c>->我显示一个AlertDialog->如果按是或否->然后用 setChecked(boolean),[boolean =如果按yes,则为true,如果按no,则为false]。
问题:单击< Switch>
时,它会自动翻转。我想先从AlertDialog中使用是或否来限定它。
sw_enableDisable
.setOnCheckedChangeListener(new OnCheckedChangeListener( ){
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked){
if(isChecked){
AlertDialog。生成器alertDialogBuilder = new AlertDialog.Builder(
getActivity());
alertDialogBuilder
.setMessage(
确定要启用吗?。)
.setCancelable(true)
.setPositiveButton(
getString( YES),
新的DialogInterface.OnClickListener(){
@Override
public void onClick(DialogInterface dialog,
int which){
dialog.cancel();
}
})
.setNegativeButton(
getString( NO),
新DialogInterface.OnClickListener(){
@Override
public void onClick(DialogInterface对话框,
int){
dialog.cancel();
}
});
AlertDialog alertDialog = alertDialogBuilder.create();
alertDialog.show();
sw_enDis_alreadyClicked = true;
}否则{
AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(
getActivity());
alertDialogBuilder
.setMessage(
确定要禁用吗?)
.setCancelable(true)
.setPositiveButton(
getString( YES ),
新的DialogInterface.OnClickListener(){
@Override
public void onClick(DialogInterface dialog,
int which){
dialog.cancel();
}
})
.setNegativeButton(
getString( NO),
新DialogInterface.OnClickListener(){
@Override
public void onClick(DialogInterface对话框,
int其中){
dialog.cancel();
}
});
AlertDialog alertDialog = alertDialogBuilder.create();
alertDialog.show();
}
}
});
尝试此代码。它对我有用:
受保护的无效onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
// ...
切换switchButton =(切换)findViewById(R.id.my_switch_id);
switchButton.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v){
final Switch btn =(Switch) v;
最终布尔值switchChecked = btn.isChecked();
if(btn.isChecked()){
btn.setChecked(false);
} else {
btn.setChecked(true);
}
字符串消息=确定要禁用此设置吗?;
if(!btn。 isChecked()){
message =确定要启用此设置吗?;
}
AlertDialog.Builder builder = new AlertDialog.Builder(this); //更改如果您正在片段
builder.setMessage(message)
.setPositiveButton( Ok,新的DialogInterface.OnClickListener(){
@覆写
public void onClick(DialogInterface dialog,int i){
//如果(switchChecked){
btn.setChecked(true);单击是按钮
} else {
btn.setChecked(false);
}
}
})
.setNegativeButton( Cancel,null)
.show();
}
});
My problem is - when I click on a <Switch>
, it gets toggled first and then the OnCheckedChangeListener
is called.
What I would like is this:
<Switch>
is clicked --> I show an AlertDialog --> If pressed yes or no --> Then flip ` with setChecked(boolean), [boolean = true if pressed yes, and false if pressed no].
Problem: When <Switch>
is clicked, it gets flipped automatically. I want to qualify it with a yes or no from a AlertDialog first.
sw_enableDisable
.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
if (isChecked) {
AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(
getActivity());
alertDialogBuilder
.setMessage(
"Sure you want to enable?. ")
.setCancelable(true)
.setPositiveButton(
getString("YES"),
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which) {
dialog.cancel();
}
})
.setNegativeButton(
getString("NO"),
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which) {
dialog.cancel();
}
});
AlertDialog alertDialog = alertDialogBuilder.create();
alertDialog.show();
sw_enDis_alreadyClicked = true;
} else {
AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(
getActivity());
alertDialogBuilder
.setMessage(
"Sure you want to disable?")
.setCancelable(true)
.setPositiveButton(
getString("YES"),
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which) {
dialog.cancel();
}
})
.setNegativeButton(
getString("NO"),
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,
int which) {
dialog.cancel();
}
});
AlertDialog alertDialog = alertDialogBuilder.create();
alertDialog.show();
}
}
});
Try this code. It worked for me:
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// ...
Switch switchButton = (Switch) findViewById(R.id.my_switch_id);
switchButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
final Switch btn = (Switch) v;
final boolean switchChecked = btn.isChecked();
if (btn.isChecked()) {
btn.setChecked(false);
} else {
btn.setChecked(true);
}
String message = "Are you sure you want to disable this setting?";
if (!btn.isChecked()) {
message = "Are you sure you want to enable this setting?";
}
AlertDialog.Builder builder = new AlertDialog.Builder(this); // Change "this" to `getActivity()` if you're using this on a fragment
builder.setMessage(message)
.setPositiveButton("Ok", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int i) {
// "Yes" button was clicked
if (switchChecked) {
btn.setChecked(true);
} else {
btn.setChecked(false);
}
}
})
.setNegativeButton("Cancel", null)
.show();
}
});
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