我有一个非常简单的问题.我有一个EditText,当点击它时,打开一个DatePickerDialog.但是,反复单击EditText会打开几个对话框.是否有任何方法可以限制用户执行此操作,因此无论单击EditText多少次,都只显示一个对话框?
<EditText
android:id="@+id/etSetDate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_below="@+id/spDifficultyLevel"
android:drawableLeft="@drawable/ic_calendar_view"
android:ems="10"
android:focusableInTouchMode="false"
android:hint=" Set Date"
/>
这是代码:
/**
* Where user selects date, launch datepicker on click
*/
public void selectDate() {
etSetDate.setonClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
//launch datepicker
DialogFragment dialogFragment = new StartDatePicker();
dialogFragment.show(getSupportFragmentManager(),
"start_date_picker");
}
});
}
public class StartDatePicker extends DialogFragment implements
DatePickerDialog.OnDateSetListener {
Calendar c = Calendar.getInstance();
int startYear = c.get(Calendar.YEAR);
int startMonth = c.get(Calendar.MONTH);
int startDay = c.get(Calendar.DAY_OF_MONTH);
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
// Use the current date as the default date in the date picker
DatePickerDialog dialog = new DatePickerDialog(getActivity(), this,
startYear, startMonth, startDay);
return dialog;
}
}
解决方法:
int flag = 0;
etSetDate.setonClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
//launch datepicker
if(flag == 0)
{
DialogFragment dialogFragment = new StartDatePicker();
dialogFragment.show(getSupportFragmentManager(),
"start_date_picker");
flag = 1;
}
}
});
当你关闭对话框时,再次设置flag = 0.
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