Android 通过应用程序来设置系统的日期和时间中的
2015-07-30 16:49
465 查看
Android 通过应用程序来设置系统的日期和时间中的
android 2.3
android 4.0
测试可行,刚需ROOT权限.
android 2.3
android 4.0
测试可行,刚需ROOT权限.
import java.io.DataOutputStream; import java.io.File; import java.io.IOException; import java.util.Calendar; import android.os.SystemClock; public class SystemDateTime { static final String TAG = "SystemDateTime"; public static void setDateTime(int year, int month, int day, int hour, int minute) throws IOException, InterruptedException { requestPermission(); Calendar c = Calendar.getInstance(); c.set(Calendar.YEAR, year); c.set(Calendar.MONTH, month-1); c.set(Calendar.DAY_OF_MONTH, day); c.set(Calendar.HOUR_OF_DAY, hour); c.set(Calendar.MINUTE, minute); long when = c.getTimeInMillis(); if (when / 1000 < Integer.MAX_VALUE) { SystemClock.setCurrentTimeMillis(when); } long now = Calendar.getInstance().getTimeInMillis(); //Log.d(TAG, "set tm="+when + ", now tm="+now); if(now - when > 1000) throw new IOException("failed to set Date."); } public static void setDate(int year, int month, int day) throws IOException, InterruptedException { requestPermission(); 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) { SystemClock.setCurrentTimeMillis(when); } long now = Calendar.getInstance().getTimeInMillis(); //Log.d(TAG, "set tm="+when + ", now tm="+now); if(now - when > 1000) throw new IOException("failed to set Date."); } public static void setTime(int hour, int minute) throws IOException, InterruptedException { requestPermission(); Calendar c = Calendar.getInstance(); c.set(Calendar.HOUR_OF_DAY, hour); c.set(Calendar.MINUTE, minute); long when = c.getTimeInMillis(); if (when / 1000 < Integer.MAX_VALUE) { SystemClock.setCurrentTimeMillis(when); } long now = Calendar.getInstance().getTimeInMillis(); //Log.d(TAG, "set tm="+when + ", now tm="+now); if(now - when > 1000) throw new IOException("failed to set Time."); } static void requestPermission() throws InterruptedException, IOException { createSuProcess("chmod 666 /dev/alarm").waitFor(); } static Process createSuProcess() throws IOException { File rootUser = new File("/system/xbin/ru"); if(rootUser.exists()) { return Runtime.getRuntime().exec(rootUser.getAbsolutePath()); } else { return Runtime.getRuntime().exec("su"); } } static Process createSuProcess(String cmd) throws IOException { DataOutputStream os = null; Process process = createSuProcess(); try { os = new DataOutputStream(process.getOutputStream()); os.writeBytes(cmd + "\n"); os.writeBytes("exit $?\n"); } finally { if(os != null) { try { os.close(); } catch (IOException e) { } } } return process; } }
相关文章推荐
- 从Android源码剖析Intent查询匹配的实现
- Gradle 1:为什么要用Gradle
- android应用程序中获取view的位置
- 打造高质量Android应用:Android开发必知的50个诀窍
- androidのXlist框架上拉下拉刷新案例
- Android Studio关联SVN相关操作
- Android中读取图片EXIF元数据之metadata-extractor的使用
- 看google怎样将android回归在自己的保护伞之下
- android异常:dialog窗口句柄泄露
- 【Android应用开发技术:数据存储】数据库
- 【Android应用开发技术:文件读写】Android文件系统
- Android adb命令唤醒屏幕
- Android adb命令唤醒屏幕
- ADNROID XML图像资源文件详细讲解(三)
- android 消息机制
- android开发中获取系统时间方法
- Android安全研究经验谈
- android 获取 imei号码
- android之针对fragment多次调用onCreateView的问题
- Android Studio常用快捷键