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root – Can I disable systemui From within my android app?

Posted by: admin June 15, 2020 Leave a comment

Questions:

I used this answer to achieve a Kiosk Mode for my app: https://stackoverflow.com/a/26013850

I rooted the tablet with Kingo Root and then performed the following commands:

adb shell >
 su >
 pm disable com.android.systemui >

I am building an app that will only be used on our devices as kiosks….

It works great BUT.. I would like to perform the disable and enable of the system ui from the Android application itself.

Are system commands possible from within an application?

How to&Answers:
/**
 * Uses Root access to enable and disable SystemUI.
 * @param enabled Decide whether to enable or disable.
 */
public void setSystemUIEnabled(boolean enabled){
    try {
        Process p = Runtime.getRuntime().exec("su");
        DataOutputStream os = new DataOutputStream(p.getOutputStream());
        os.writeBytes("pm " + (enabled ? "enable" : "disable") 
                + " com.android.systemui\n");
        os.writeBytes("exit\n");
        os.flush();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

Works fine. Usage:

setSystemUIEnabled(true);  // Enable SystemUI
setSystemUIEnabled(false); // Disable SystemUI