我需要动态设置设备时间。如果可能，请指导我
据我尝试
MainActivity.java
Calendar c = Calendar.getInstance();
c.set(2010, 1, 1, 12, 00, 00);
清单文件
<permission android:name="android.permission.SET_TIME"
android:protectionLevel="signatureOrSystem"
android:label="@string/app_name" />
提前致谢
//set Time to device
Calendar c = Calendar.getInstance();
c.set(2013, 8, 15, 12, 34, 56);
AlarmManager am = (AlarmManager) this.getSystemService(Context.ALARM_SERVICE);
am.setTime(c.getTimeInMillis());
// and set in Manifest.xml
<!-- Allows applications to set the system time -->
<permission android:name="android.permission.SET_TIME"
android:protectionLevel="signature|system"
/>
并点击此链接获取更多帮助如何在android中设置手机系统时间和日期？ https://stackoverflow.com/questions/1332269/how-to-set-mobile-system-time-and-date-in-android我想这可能对你有帮助
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