需要root,不同的版本可能需要一定的修改
public static void showSystemBar(){ try { Process proc = Runtime.getRuntime().exec("am startservice --user 0 -n com.android.systemui/.SystemUIService"); proc.waitFor(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); }catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } } public static void hideSystemBar(){ // 去掉系统栏 try{ //REQUIRES ROOT Build.VERSION_CODES vc = new Build.VERSION_CODES(); Build.VERSION vr = new Build.VERSION(); String ProcID = "79"; //HONEYCOMB AND OLDER //v.RELEASE //4.0.3 if(vr.SDK_INT >= vc.ICE_CREAM_SANDWICH){ ProcID = "42"; //ICS AND NEWER } //REQUIRES ROOT Process proc = Runtime.getRuntime().exec(new String[]{"su","-c","service call activity "+ 42 +" s16 com.android.systemui"}); //WAS 79 proc.waitFor(); }catch(Exception ex){ // Toast.makeText(getApplicationContext(), ex.getMessage(), Toast.LENGTH_LONG).show(); } } public static void execHideSystemBarShell(){ String cmd="su -c service call activity 42 s16 com.android.systemui"; try{ //权限设置 Process p = Runtime.getRuntime().exec("su"); //获取输出流 OutputStream outputStream = p.getOutputStream(); DataOutputStream dataOutputStream=new DataOutputStream(outputStream); //将命令写入 dataOutputStream.writeBytes(cmd); //提交命令 dataOutputStream.flush(); //关闭流操作 dataOutputStream.close(); outputStream.close(); } catch(Throwable t) { t.printStackTrace(); } }