Android datepicker设置的最小和最大日期不一起工作
我需要设置日期选择器的最小和最大日期 如果我使用Android datepicker设置的最小和最大日期不一起工作,android,datepicker,Android,Datepicker,我需要设置日期选择器的最小和最大日期 如果我使用setMinDate()函数或setMaxDate()函数,那么它可以正常工作。但如果我同时使用这两种方法,则会出现错误,活动停止 dateFormatter = new SimpleDateFormat(Constant.DATE_FORMAT, Locale.US); Calendar newCalendar = Calendar.getInstance(); Calendar c = Calendar.getInstance(); c.ad
setMinDate()
函数或setMaxDate()
函数,那么它可以正常工作。但如果我同时使用这两种方法,则会出现错误,活动停止
dateFormatter = new SimpleDateFormat(Constant.DATE_FORMAT, Locale.US);
Calendar newCalendar = Calendar.getInstance();
Calendar c = Calendar.getInstance();
c.add(Calendar.DATE, 3);
ConvinentDatePicker = new DatePickerDialog(this,null,
newCalendar.get(Calendar.YEAR), newCalendar.get(Calendar.MONTH), newCalendar.get(Calendar.DAY_OF_MONTH));
ConvinentDatePicker.setCancelable(true);
ConvinentDatePicker.setCanceledOnTouchOutside(true);
ConvinentDatePicker.getDatePicker().setMinDate(newCalendar.getTimeInMillis());
ConvinentDatePicker.getDatePicker().setMaxDate(c.getTimeInMillis());
ConvinentDatePicker.setButton(DialogInterface.BUTTON_POSITIVE, "OK",
new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which)
{
timepicker.show();
}
});
ConvinentDatePicker.setButton(DialogInterface.BUTTON_NEGATIVE, "Cancel",
new DialogInterface.OnClickListener()
{
@Override
public void onClick(DialogInterface dialog, int which)
{
}
});
ConvinentDatePicker.show();
日志猫正在跟踪。提前谢谢
10-23 11:03:54.966 12603-12603/com.kent.service.kentdealer E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: com.kent.service.kentdealer, PID: 12603
java.lang.NullPointerException
at android.widget.CalendarView.onScroll(CalendarView.java:1216)
at android.widget.CalendarView.access$900(CalendarView.java:76)
at android.widget.CalendarView$2.onScroll(CalendarView.java:1077)
at android.widget.AbsListView.invokeOnItemScrollListener(AbsListView.java:1500)
at android.widget.ListView.layoutChildren(ListView.java:1745)
at android.widget.AbsListView.onLayout(AbsListView.java:2186)
at android.view.View.layout(View.java:15147)
at android.view.ViewGroup.layout(ViewGroup.java:4866)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1888)
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1742)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1651)
at android.view.View.layout(View.java:15147)
at android.view.ViewGroup.layout(ViewGroup.java:4866)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:515)
at android.widget.FrameLayout.onLayout(FrameLayout.java:450)
at android.view.View.layout(View.java:15147)
at android.view.ViewGroup.layout(ViewGroup.java:4866)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1888)
at android.widget.LinearLayout.layoutHorizontal(LinearLayout.java:1877)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1653)
at android.view.View.layout(View.java:15147)
at android.view.ViewGroup.layout(ViewGroup.java:4866)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:515)
at android.widget.FrameLayout.onLayout(FrameLayout.java:450)
at android.view.View.layout(View.java:15147)
at android.view.ViewGroup.layout(ViewGroup.java:4866)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:515)
at android.widget.FrameLayout.onLayout(FrameLayout.java:450)
at android.view.View.layout(View.java:15147)
at android.view.ViewGroup.layout(ViewGroup.java:4866)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:515)
at android.widget.FrameLayout.onLayout(FrameLayout.java:450)
at android.view.View.layout(View.java:15147)
at android.view.ViewGroup.layout(ViewGroup.java:4866)
at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1888)
at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1742)
at android.widget.LinearLayout.onLayout(LinearLayout.java:1651)
at android.view.View.layout(View.java:15147)
at android.view.ViewGroup.layout(ViewGroup.java:4866)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:515)
at android.widget.FrameLayout.onLayout(FrameLayout.java:450)
at android.view.View.layout(View.java:15147)
at android.view.ViewGroup.layout(ViewGroup.java:4866)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:515)
at android.widget.FrameLayout.onLayout(FrameLayout.java:450)
at android.view.View.layout(View.java:15147)
at android.view.ViewGroup.layout(ViewGroup.java:4866)
at android.widget.FrameLayout.layoutChildren(FrameLayout.java:515)
at android.widget.FrameLayout.onLayout(FrameLayout.java:450)
at android.view.View.layout(View.java:15147)
at android.view.ViewGroup.layout(ViewGroup.java:4866)
at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:2323)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2029)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1192)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:6231)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:788)
at android.view.Choreographer.doCallbacks(Choreographer.java:591)
at android.view.Choreographer.doFrame(Choreographer.java:560)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:774)
at android.os.Handler.handleCallback(Handler.java:808)
at android.os.Handler.dispatchMessage(Handler.java:103)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:5299)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.andr
试试这个,在datepicker对话框中显示从今天到下一个5年的日期
public class MainActivity extends Activity {
TextView txtDatePicker;
Calendar cal,cal1;
long maxDate;
Date date;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
cal = Calendar.getInstance();
cal1 = Calendar.getInstance();
txtDatePicker = (TextView) findViewById(R.id.txtDatePicker);
txtDatePicker.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
DatePickerDialog dialog = new DatePickerDialog(MainActivity.this, new OnDateSetListener() {
@Override
public void onDateSet(DatePicker arg0, int arg1, int arg2, int arg3) {
// TODO Auto-generated method stub
Toast.makeText(MainActivity.this, ""+arg1+"/"+(arg2+1)+"/"+arg3, Toast.LENGTH_SHORT).show();
}
}, cal.YEAR, cal.MONTH, cal.DAY_OF_MONTH);
dialog.getDatePicker().setMinDate(System.currentTimeMillis());
cal1.add(Calendar.YEAR, 5);
dialog.getDatePicker().setMaxDate(cal1.getTimeInMillis());
dialog.show();
}
});
}
}
试试这个,在datepicker对话框中显示从今天到下一个5年的日期
public class MainActivity extends Activity {
TextView txtDatePicker;
Calendar cal,cal1;
long maxDate;
Date date;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
cal = Calendar.getInstance();
cal1 = Calendar.getInstance();
txtDatePicker = (TextView) findViewById(R.id.txtDatePicker);
txtDatePicker.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
DatePickerDialog dialog = new DatePickerDialog(MainActivity.this, new OnDateSetListener() {
@Override
public void onDateSet(DatePicker arg0, int arg1, int arg2, int arg3) {
// TODO Auto-generated method stub
Toast.makeText(MainActivity.this, ""+arg1+"/"+(arg2+1)+"/"+arg3, Toast.LENGTH_SHORT).show();
}
}, cal.YEAR, cal.MONTH, cal.DAY_OF_MONTH);
dialog.getDatePicker().setMinDate(System.currentTimeMillis());
cal1.add(Calendar.YEAR, 5);
dialog.getDatePicker().setMaxDate(cal1.getTimeInMillis());
dialog.show();
}
});
}
}
请向我们显示您的错误日志请向我们显示您的错误日志如果我使用cal1.add(Calendar.DATE,5),则此代码不起作用;而不是cal1.add(Calendar.YEAR,5);要在最长时间内设置多少时间?我需要设置从当前日期开始的3天范围Cal1.add(Calendar.DATE,3);不工作,给出错误。如果我使用cal1.add(Calendar.DATE,5),那么这段代码不起作用;而不是cal1.add(Calendar.YEAR,5);要在最长时间内设置多少时间?我需要设置从当前日期开始的3天范围Cal1.add(Calendar.DATE,3);不工作,给出错误。你可以在你这边测试