Add option to hide status text on lockscreen

Author: null-dev

faceunlock/src/main/java/ax/nd/faceunlock/pref/PrefKeys.kt

@@ -6,4 +6,5 @@ object PrefKeys {
     const val EARLY_UNLOCK_HOOK = "early_unlock_hook"
     const val REQUIRE_PIN_ON_BOOT = "require_pin_on_boot"
     const val BYPASS_KEYGUARD = "bypass_keyguard"
+    const val SHOW_STATUS_TEXT = "show_status_text"
 }

faceunlock/src/main/java/ax/nd/faceunlock/pref/Prefs.kt

@@ -13,4 +13,5 @@ class Prefs(context: Context) {
     val earlyUnlockHook = flowPrefs.getBoolean(PrefKeys.EARLY_UNLOCK_HOOK, false)
     val requirePinOnBoot = flowPrefs.getBoolean(PrefKeys.REQUIRE_PIN_ON_BOOT, false)
     val bypassKeyguard = flowPrefs.getBoolean(PrefKeys.BYPASS_KEYGUARD, true)
+    val showStatusText = flowPrefs.getBoolean(PrefKeys.SHOW_STATUS_TEXT, true)
 }

faceunlock/src/main/java/ax/nd/faceunlock/service/LockscreenFaceAuthService.kt

@@ -62,6 +62,8 @@ class LockscreenFaceAuthService : AccessibilityService(), FaceAuthServiceCallbac
     private lateinit var serviceScope: CoroutineScope
     private lateinit var prefs: Prefs
 
+    private var showStatusText = true
+
     override fun onCreate() {
         super.onCreate()
 
@@ -89,6 +91,12 @@ class LockscreenFaceAuthService : AccessibilityService(), FaceAuthServiceCallbac
         } else {
             reconfigureUnlockHook()
         }
+
+        serviceScope.launch {
+            prefs.showStatusText.asFlow().collect { showStatusText ->
+                this@LockscreenFaceAuthService.showStatusText = showStatusText
+            }
+        }
     }
 
     private fun setupRequirePinOnBootReceiver() {
@@ -198,9 +206,11 @@ class LockscreenFaceAuthService : AccessibilityService(), FaceAuthServiceCallbac
             if(Util.isFaceUnlockEnrolled(this)) {
                 active = true
                 // If animation is currently playing, we need to fire it's end listener
-                textViewAnimator?.cancel()
-                textView?.text = "Looking for face..."
-                windowManager?.addView(textView, params)
+                if(showStatusText) {
+                    textViewAnimator?.cancel()
+                    textView?.text = "Looking for face..."
+                    windowManager?.addView(textView, params)
+                }
                 startTime = System.currentTimeMillis()
                 controller?.start()
             }
@@ -210,27 +220,31 @@ class LockscreenFaceAuthService : AccessibilityService(), FaceAuthServiceCallbac
     private fun hide(delay: Int = 0) {
         if(active) {
             active = false
-            if(delay > 0) {
-                // Delayed hide is animated
-                textViewAnimator = textView?.animate()
-                    ?.alpha(0f)
-                    ?.setListener(object : Animator.AnimatorListener {
-                        override fun onAnimationStart(p0: Animator?) {}
-                        override fun onAnimationEnd(p0: Animator?) = onTextViewAnimationEnd()
-                        override fun onAnimationCancel(p0: Animator?) {}
-                        override fun onAnimationRepeat(p0: Animator?) {}
-                    })
-                    ?.setStartDelay(delay.toLong())
-                    ?.setDuration(300)
-                textViewAnimator?.start()
-            } else {
-                removeTextViewFromWindowManager()
+            if(showStatusText) {
+                if (delay > 0) {
+                    // Delayed hide is animated
+                    textViewAnimator = textView?.animate()
+                        ?.alpha(0f)
+                        ?.setListener(object : Animator.AnimatorListener {
+                            override fun onAnimationStart(p0: Animator?) {}
+                            override fun onAnimationEnd(p0: Animator?) = onTextViewAnimationEnd()
+                            override fun onAnimationCancel(p0: Animator?) {}
+                            override fun onAnimationRepeat(p0: Animator?) {}
+                        })
+                        ?.setStartDelay(delay.toLong())
+                        ?.setDuration(300)
+                    textViewAnimator?.start()
+                } else {
+                    removeTextViewFromWindowManager()
+                }
             }
             controller?.stop()
         } else {
-            if(delay == 0) {
-                // If hide animation is running, skip it
-                textViewAnimator?.cancel()
+            if(showStatusText) {
+                if (delay == 0) {
+                    // If hide animation is running, skip it
+                    textViewAnimator?.cancel()
+                }
             }
         }
     }

faceunlock/src/main/res/xml/root_preferences.xml

@@ -27,4 +27,9 @@
         android:entryValues="@array/unlock_animation_values"
         android:key="unlock_animation"
         android:title="Lockscreen dismiss animation" />
+    <SwitchPreference
+        android:defaultValue="true"
+        android:key="show_status_text"
+        android:summary="Show face unlock status on lockscreen"
+        android:title="Show status text" />
 </PreferenceScreen>