How to Manage Screen On/Off Functionality: Difference between revisions

Latest revision as of 08:47, 7 April 2024

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https://smartpossdk.gitbook.io/cloudpossdk/faq/firmware/manage-screen-on-off

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-== Overview ==
+{{Migrating|https://smartpossdk.gitbook.io/cloudpossdk/faq/firmware/manage-screen-on-off}}
-This guide provides a code snippet to demonstrate how to manage screen on/off functionality.
-== Code Snippet ==
-The specific code snippet for this function will be detailed here, showcasing how to programmatically turn the screen on or off.
-<syntaxhighlight lang="java">
-private void goToLockNow() {
-        try {
-            boolean result = systemExtApi.setDeviceOwner(this.getPackageName(),LockReceiver.class.getName());
-            if(result){
-                DevicePolicyManager devicePolicyManager = (DevicePolicyManager) getSystemService(Context.DEVICE_POLICY_SERVICE);
-                devicePolicyManager.lockNow();
-                SystemClock.sleep(2000);
-                mWakeLock = powerManager.newWakeLock(PowerManager.ACQUIRE_CAUSES_WAKEUP
-                        | PowerManager.SCREEN_BRIGHT_WAKE_LOCK, getClass().getName());
-                wakeUp();
-            }
-        } catch (RemoteException e) {
-            e.printStackTrace();
-        }
-    }
-    /**
-     * Wake up screen
-     */
-    private void wakeUp() {
-        mWakeLock.acquire();
-        if (mWakeLock.isHeld()) {
-            mWakeLock.release();
-        }
-    }
-</syntaxhighlight>
-== Download ==
-[http://ftp.wizarpos.com/advanceSDK/ScreenUpAndOff.zip Demo download]