Update the device time from another App not from System App

Question

Hi I am building one Android App.which takes input from user in DatePicker and TimePicker and set the Device Time or Modile Time.

This is the code I am using

            int     nHrTime;
    int     nMinTime;
    int     nYear;

    int nMonth;
    int nDay;

    nHrTime     =  DeviceTimePickr.getCurrentHour();
    nMinTime    =  DeviceTimePickr.getCurrentMinute();

    nYear   =  DeviceDatePickr.getYear();
    nMonth      =  DeviceDatePickr.getMonth();
    nDay        =  DeviceDatePickr.getDayOfMonth();

    dDeviceCalendar.set(nYear, nMonth,nDay,nHrTime, nMinTime);

In manifest.xml file I hve chanes the permission also.

Changes in manifest file

         <uses-permission android:name="android.permission.SET_TIME" 
    android:protectionLevel="signature|system"/>

Why this not working? I am using android 4.22

score 0 · Answer 1 · answered Jan 06 '14 at 12:04

0

Changing device time is not available for apps on non-rooted devices. And it does not work for you because of this:

android:protectionLevel="signature|system"

which means only apps that are system apps or signed with system certificate are granted this permission. You are not.

answered Jan 06 '14 at 12:04

Marcin Orlowski

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So if I will remove this line of code from Manifest will it start working.If it is not , what are the changes required to do that? – Tejas Jan 06 '14 at 12:07
Please suggest me. I am new in android. – Tejas Jan 06 '14 at 12:08
No. You will not be granted this permission. You cannot change system time from your app. – Marcin Orlowski Jan 06 '14 at 12:10
Then any other solution please suggest me? Which System App shall I use to change the Device time? – Tejas Jan 06 '14 at 13:09
root the device. Or drop the idea. – Marcin Orlowski Jan 06 '14 at 13:19

Update the device time from another App not from System App

1 Answers1