方法一:
选中窗体->BorderStyle改为“None”
方法二:
1.下载第三方控件QAndroid.Shell
2.执行
FShell.Execute('su -c mount -o remount,rw /system');
FShell.Execute('su -c mv /system/priv-app/SystemUI.apk /system/priv-app/SystemUI.apk_bak');
FShell.Execute('su -c mv /system/priv-app/SystemUI.odex /system/priv-app/SystemUI.odex_bak');
FShell.Execute('su -c mount -o remount,ro /system');
FShell.Execute('reboot');