Implement global app locking

Notes:

- App is locked instantly on back press.
- App is locked after 30 seconds when closed using any other gesture or method.

Closes https://github.com/FossifyOrg/Gallery/issues/126

app/src/main/kotlin/org/fossify/gallery/App.kt

@@ -1,17 +1,15 @@
 package org.fossify.gallery
 
-import android.app.Application
 import com.github.ajalt.reprint.core.Reprint
 import com.squareup.picasso.Downloader
 import com.squareup.picasso.Picasso
 import okhttp3.Request
 import okhttp3.Response
-import org.fossify.commons.extensions.checkUseEnglish
+import org.fossify.commons.FossifyApp
 
-class App : Application() {
+class App : FossifyApp() {
     override fun onCreate() {
         super.onCreate()
-        checkUseEnglish()
         Reprint.initialize(this)
         Picasso.setSingletonInstance(Picasso.Builder(this).downloader(object : Downloader {
             override fun load(request: Request) = Response.Builder().build()

app/src/main/kotlin/org/fossify/gallery/activities/MainActivity.kt

@@ -57,12 +57,9 @@ class MainActivity : SimpleActivity(), DirectoryOperationsListener {
     private var mIsThirdPartyIntent = false
     private var mIsGettingDirs = false
     private var mLoadedInitialPhotos = false
-    private var mIsPasswordProtectionPending = false
-    private var mWasProtectionHandled = false
     private var mShouldStopFetching = false
     private var mWasDefaultFolderChecked = false
     private var mWasMediaManagementPromptShown = false
-    private var mWasUpgradedFromFreeShown = false
     private var mLatestMediaId = 0L
     private var mLatestMediaDateId = 0L
     private var mCurrentPathPrefix = ""                 // used at "Group direct subfolders" for navigation
@@ -123,8 +120,6 @@ class MainActivity : SimpleActivity(), DirectoryOperationsListener {
         binding.directoriesRefreshLayout.setOnRefreshListener { getDirectories() }
         storeStateVariables()
         checkWhatsNewDialog()
-
-        mIsPasswordProtectionPending = config.isAppPasswordProtectionOn
         setupLatestMediaId()
 
         if (!config.wereFavoritesPinned) {
@@ -228,19 +223,7 @@ class MainActivity : SimpleActivity(), DirectoryOperationsListener {
 
         if (!binding.mainMenu.isSearchOpen) {
             refreshMenuItems()
-            if (mIsPasswordProtectionPending && !mWasProtectionHandled) {
-                handleAppPasswordProtection {
-                    mWasProtectionHandled = it
-                    if (it) {
-                        mIsPasswordProtectionPending = false
             tryLoadGallery()
-                    } else {
-                        finish()
-                    }
-                }
-            } else {
-                tryLoadGallery()
-            }
         }
 
         if (config.searchAllFilesByDefault) {
@@ -303,6 +286,7 @@ class MainActivity : SimpleActivity(), DirectoryOperationsListener {
                 setupAdapter(mDirs)
             }
         } else {
+            appLockManager.lock()
             super.onBackPressed()
         }
     }
@@ -404,16 +388,6 @@ class MainActivity : SimpleActivity(), DirectoryOperationsListener {
         }
     }
 
-    override fun onSaveInstanceState(outState: Bundle) {
-        super.onSaveInstanceState(outState)
-        outState.putBoolean(WAS_PROTECTION_HANDLED, mWasProtectionHandled)
-    }
-
-    override fun onRestoreInstanceState(savedInstanceState: Bundle) {
-        super.onRestoreInstanceState(savedInstanceState)
-        mWasProtectionHandled = savedInstanceState.getBoolean(WAS_PROTECTION_HANDLED, false)
-    }
-
     private fun updateMenuColors() {
         updateStatusbarColor(getProperBackgroundColor())
         binding.mainMenu.updateColors()

app/src/main/kotlin/org/fossify/gallery/activities/MediaActivity.kt

@@ -50,7 +50,6 @@ class MediaActivity : SimpleActivity(), MediaOperationsListener {
     private var mShowAll = false
     private var mLoadedInitialPhotos = false
     private var mWasFullscreenViewOpen = false
-    private var mWasUpgradedFromFreeShown = false
     private var mLastSearchedText = ""
     private var mLatestMediaId = 0L
     private var mLatestMediaDateId = 0L
@@ -229,6 +228,10 @@ class MediaActivity : SimpleActivity(), MediaOperationsListener {
         if (binding.mediaMenu.isSearchOpen) {
             binding.mediaMenu.closeSearch()
         } else {
+            if (config.showAll) {
+                appLockManager.lock()
+            }
+
             super.onBackPressed()
         }
     }

gradle/libs.versions.toml

@@ -11,7 +11,7 @@ exif = "1.0.1"
 #Room
 room = "2.6.1"
 #Fossify
-commons = "e40963a843"
+commons = "45f8e23a33"
 #Gradle4
 gradlePlugins-agp = "8.5.0"
 #Other