如何解决时间选择器无法正常工作并崩溃
我正在尝试在“编辑文本”中打开“时间选择器”对话框。虽然对话框成功打开,但是当我单击“确定”以设置时间时,它会抛出 Exception 并崩溃。
错误如下:
2020-10-06 10:16:28.972 1821-3134/? E/InputReader: isBtnTouch is true need to clear slots.2020-10-06 10:16:29.029 11973-11973/com.example.visitortracker E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.visitortracker,PID: 11973
java.lang.IllegalArgumentException: Invalid era
at java.util.GregorianCalendar.computeTime(GregorianCalendar.java:2686)
at java.util.Calendar.updateTime(Calendar.java:3402)
at java.util.Calendar.getTimeInMillis(Calendar.java:1761)
at java.util.Calendar.getTime(Calendar.java:1734)
at com.example.visitortracker.VisitorEntryActivity$1.onTimeSet(VisitorEntryActivity.java:102)
at android.app.TimePickerDialog.onClick(TimePickerDialog.java:174)
at android.app.TimePickerDialog$1.onClick(TimePickerDialog.java:156)
我的代码如下
@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.edt_timeIn:
openTimePicker();
break;
}
}
private void openTimePicker() {
calendar = Calendar.getInstance();
calendar.get(Calendar.HOUR_OF_DAY);
calendar.get(Calendar.MINUTE);
TimePickerDialog dialog = new TimePickerDialog(VisitorEntryActivity.this,new TimePickerDialog.OnTimeSetListener() {
@Override
public void onTimeSet(TimePicker timePicker,int selected_hour,int selected_minute) {
String am_pm = "am";
if (selected_hour > 12) {
selected_hour = selected_hour - 12;
am_pm = "pm";
}
calendar.set(hour,selected_hour);
calendar.set(minute,selected_minute);
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("HH:mm",Locale.getDefault());
edt_timeIn.setText(simpleDateFormat.format(calendar.getTime()) + " " + am_pm);
}
},hour,minute,false);
dialog.show();
}
任何帮助都是可以接受的。
提前谢谢!
解决方法
更改
calendar.set(hour,selected_hour);
至calendar.set(Calendar.HOUR_OF_DAY,selected_hour);
和
calendar.set(minute,selected_minute);
至calendar.set(Calendar.MINUTE,selected_minute);
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