Android实践 -- 设置系统日期时间和时区
转自:https://www.cnblogs.com/Free-Thinker/p/6627813.html
设置系统日期时间和时区
设置系统的日期时间和时区,需要 系统权限和系统签名,android:sharedUserId="android.uid.system"
需要在manifest文件中添加相应的权限
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<uses-permission android: name="android.permission.WRITE_SETTINGS"/>
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<uses-permission android: name="android.permission.WRITE_SECURE_SETTINGS"/>
判断系统使用的是24小时制还是12小时制
boolean is24Hour = DateFormat.is24HourFormat(mContext);
- 设置系统的小时制
24小时制
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android.provider.Settings.System.putString(mContext.getContentResolver(),
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android.provider.Settings.System.TIME_12_24, "24");
12小时制
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android.provider.Settings.System.putString(mContext.getContentResolver(),
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android.provider.Settings.System.TIME_12_24, "12");
判断系统的时区是否是自动获取的
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public boolean isTimeZoneAuto(){
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try {
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return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
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android.provider.Settings.Global.AUTO_TIME_ZONE) > 0;
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} catch (SettingNotFoundException e) {
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e.printStackTrace();
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return false;
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}
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}
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设置系统的时区是否自动获取
-
public void setAutoTimeZone(int checked){
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android.provider.Settings.Global.putInt(mContext.getContentResolver(),
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android.provider.Settings.Global.AUTO_TIME_ZONE, checked);
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}
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判断系统的时间是否自动获取的
-
public boolean isDateTimeAuto(){
-
try {
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return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
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android.provider.Settings.Global.AUTO_TIME) > 0;
-
} catch (SettingNotFoundException e) {
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e.printStackTrace();
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return false;
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}
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}
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设置系统的时间是否需要自动获取
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public void setAutoDateTime(int checked){
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android.provider.Settings.Global.putInt(mContext.getContentResolver(),
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android.provider.Settings.Global.AUTO_TIME, checked);
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}
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设置系统日期
参考系统Settings中的源码
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public void setSysDate(int year,int month,int day){
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Calendar c = Calendar.getInstance();
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c.set(Calendar.YEAR, year);
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c.set(Calendar.MONTH, month);
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c.set(Calendar.DAY_OF_MONTH, day);
-
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long when = c.getTimeInMillis();
-
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if(when / 1000 < Integer.MAX_VALUE){
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((AlarmManager)mContext.getSystemService(Context.ALARM_SERVICE)).setTime(when);
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}
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}
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设置系统时间
参考系统Settings中的源码
-
public void setSysTime(int hour,int minute){
-
Calendar c = Calendar.getInstance();
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c.set(Calendar.HOUR_OF_DAY, hour);
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c.set(Calendar.MINUTE, minute);
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c.set(Calendar.SECOND, 0);
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c.set(Calendar.MILLISECOND, 0);
-
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long when = c.getTimeInMillis();
-
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if(when / 1000 < Integer.MAX_VALUE){
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((AlarmManager)mContext.getSystemService(Context.ALARM_SERVICE)).setTime(when);
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}
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}
-
设置系统时区
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public void setTimeZone(String timeZone){
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final Calendar now = Calendar.getInstance();
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TimeZone tz = TimeZone.getTimeZone(timeZone);
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now.setTimeZone(tz);
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}
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获取系统当前的时区
-
public String getDefaultTimeZone(){
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return TimeZone.getDefault().getDisplayName();
-
转自:https://www.cnblogs.com/Free-Thinker/p/6627813.html
设置系统日期时间和时区
设置系统的日期时间和时区,需要 系统权限和系统签名,android:sharedUserId="android.uid.system"
需要在manifest文件中添加相应的权限
-
<uses-permission android: name="android.permission.WRITE_SETTINGS"/>
-
<uses-permission android: name="android.permission.WRITE_SECURE_SETTINGS"/>
判断系统使用的是24小时制还是12小时制
boolean is24Hour = DateFormat.is24HourFormat(mContext);
- 设置系统的小时制
24小时制
-
android.provider.Settings.System.putString(mContext.getContentResolver(),
-
android.provider.Settings.System.TIME_12_24, "24");
12小时制
-
android.provider.Settings.System.putString(mContext.getContentResolver(),
-
android.provider.Settings.System.TIME_12_24, "12");
判断系统的时区是否是自动获取的
-
public boolean isTimeZoneAuto(){
-
try {
-
return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
-
android.provider.Settings.Global.AUTO_TIME_ZONE) > 0;
-
} catch (SettingNotFoundException e) {
-
e.printStackTrace();
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return false;
-
}
-
}
-
设置系统的时区是否自动获取
-
public void setAutoTimeZone(int checked){
-
android.provider.Settings.Global.putInt(mContext.getContentResolver(),
-
android.provider.Settings.Global.AUTO_TIME_ZONE, checked);
-
}
-
判断系统的时间是否自动获取的
-
public boolean isDateTimeAuto(){
-
try {
-
return android.provider.Settings.Global.getInt(mContext.getContentResolver(),
-
android.provider.Settings.Global.AUTO_TIME) > 0;
-
} catch (SettingNotFoundException e) {
-
e.printStackTrace();
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return false;
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}
-
}
-
设置系统的时间是否需要自动获取
-
public void setAutoDateTime(int checked){
-
android.provider.Settings.Global.putInt(mContext.getContentResolver(),
-
android.provider.Settings.Global.AUTO_TIME, checked);
-
}
-
设置系统日期
参考系统Settings中的源码
-
public void setSysDate(int year,int month,int day){
-
Calendar c = Calendar.getInstance();
-
c.set(Calendar.YEAR, year);
-
c.set(Calendar.MONTH, month);
-
c.set(Calendar.DAY_OF_MONTH, day);
-
-
long when = c.getTimeInMillis();
-
-
if(when / 1000 < Integer.MAX_VALUE){
-
((AlarmManager)mContext.getSystemService(Context.ALARM_SERVICE)).setTime(when);
-
}
-
}
-
设置系统时间
参考系统Settings中的源码
-
public void setSysTime(int hour,int minute){
-
Calendar c = Calendar.getInstance();
-
c.set(Calendar.HOUR_OF_DAY, hour);
-
c.set(Calendar.MINUTE, minute);
-
c.set(Calendar.SECOND, 0);
-
c.set(Calendar.MILLISECOND, 0);
-
-
long when = c.getTimeInMillis();
-
-
if(when / 1000 < Integer.MAX_VALUE){
-
((AlarmManager)mContext.getSystemService(Context.ALARM_SERVICE)).setTime(when);
-
}
-
}
-
设置系统时区
-
public void setTimeZone(String timeZone){
-
final Calendar now = Calendar.getInstance();
-
TimeZone tz = TimeZone.getTimeZone(timeZone);
-
now.setTimeZone(tz);
-
}
-
获取系统当前的时区
-
public String getDefaultTimeZone(){
-
return TimeZone.getDefault().getDisplayName();
-