From 2e05c24b4d79797036a30dc9db8d832e5d28695d Mon Sep 17 00:00:00 2001
From: Trevor Terris <tkterris@gmail.com>
Date: Fri, 7 May 2021 15:34:13 -0400
Subject: [PATCH] Add toggle to disable "Press back again to exit"

Add toggle to settings activity for the "Press back again to exit" functionality. Defaults to true (current behavior).
---
 .../pro/activities/MainActivity.kt            |  2 +-
 .../pro/activities/SettingsActivity.kt        | 19 +++++++++++++++
 .../filemanager/pro/helpers/Config.kt         |  4 ++++
 .../filemanager/pro/helpers/Constants.kt      |  1 +
 app/src/main/res/layout/activity_settings.xml | 23 +++++++++++++++++++
 app/src/main/res/values/strings.xml           |  1 +
 6 files changed, 49 insertions(+), 1 deletion(-)

diff --git a/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/activities/MainActivity.kt b/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/activities/MainActivity.kt
index 9148f9f0..d8eb3df9 100644
--- a/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/activities/MainActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/activities/MainActivity.kt
@@ -330,7 +330,7 @@ class MainActivity : SimpleActivity() {
 
     override fun onBackPressed() {
         if (fragment.mView.breadcrumbs.childCount <= 1) {
-            if (!wasBackJustPressed) {
+            if (!wasBackJustPressed && config.pressBackTwice) {
                 wasBackJustPressed = true
                 toast(R.string.press_back_again)
                 Handler().postDelayed({
diff --git a/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/activities/SettingsActivity.kt b/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/activities/SettingsActivity.kt
index 5ad2ec39..ff692f1f 100644
--- a/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/activities/SettingsActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/activities/SettingsActivity.kt
@@ -31,6 +31,7 @@ class SettingsActivity : SimpleActivity() {
         setupChangeDateTimeFormat()
         setupFontSize()
         setupShowHidden()
+        setupPressBackTwice()
         setupHiddenItemPasswordProtection()
         setupAppPasswordProtection()
         setupFileDeletionPasswordProtection()
@@ -115,6 +116,24 @@ class SettingsActivity : SimpleActivity() {
         config.showHidden = settings_show_hidden.isChecked
     }
 
+    private fun setupPressBackTwice() {
+        settings_press_back_twice.isChecked = config.pressBackTwice
+        settings_press_back_twice_holder.setOnClickListener {
+            if (config.pressBackTwice) {
+                togglePressBackTwice()
+            } else {
+                handleHiddenFolderPasswordProtection {
+                    togglePressBackTwice()
+                }
+            }
+        }
+    }
+
+    private fun togglePressBackTwice() {
+        settings_press_back_twice.toggle()
+        config.pressBackTwice = settings_press_back_twice.isChecked
+    }
+
     private fun setupHiddenItemPasswordProtection() {
         settings_password_protection.isChecked = config.isHiddenPasswordProtectionOn
         settings_password_protection_holder.setOnClickListener {
diff --git a/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/helpers/Config.kt b/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/helpers/Config.kt
index e5d12264..20ac05a7 100644
--- a/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/helpers/Config.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/helpers/Config.kt
@@ -22,6 +22,10 @@ class Config(context: Context) : BaseConfig(context) {
 
     var shouldShowHidden = showHidden || temporarilyShowHidden
 
+    var pressBackTwice: Boolean
+        get() = prefs.getBoolean(PRESS_BACK_TWICE, true)
+        set(pressBackTwice) = prefs.edit().putBoolean(PRESS_BACK_TWICE, pressBackTwice).apply()
+
     var homeFolder: String
         get(): String {
             var path = prefs.getString(HOME_FOLDER, "")!!
diff --git a/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/helpers/Constants.kt b/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/helpers/Constants.kt
index c7849e50..67226614 100644
--- a/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/helpers/Constants.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/filemanager/pro/helpers/Constants.kt
@@ -5,6 +5,7 @@ const val MAX_COLUMN_COUNT = 20
 
 // shared preferences
 const val SHOW_HIDDEN = "show_hidden"
+const val PRESS_BACK_TWICE = "press_back_twice"
 const val HOME_FOLDER = "home_folder"
 const val TEMPORARILY_SHOW_HIDDEN = "temporarily_show_hidden"
 const val IS_ROOT_AVAILABLE = "is_root_available"
diff --git a/app/src/main/res/layout/activity_settings.xml b/app/src/main/res/layout/activity_settings.xml
index 5b4e3d3a..34929270 100644
--- a/app/src/main/res/layout/activity_settings.xml
+++ b/app/src/main/res/layout/activity_settings.xml
@@ -129,6 +129,29 @@
 
         </RelativeLayout>
 
+        <RelativeLayout
+            android:id="@+id/settings_press_back_twice_holder"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="@dimen/medium_margin"
+            android:background="?attr/selectableItemBackground"
+            android:paddingStart="@dimen/normal_margin"
+            android:paddingTop="@dimen/activity_margin"
+            android:paddingEnd="@dimen/normal_margin"
+            android:paddingBottom="@dimen/activity_margin">
+
+            <com.simplemobiletools.commons.views.MySwitchCompat
+                android:id="@+id/settings_press_back_twice"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:background="@null"
+                android:clickable="false"
+                android:paddingStart="@dimen/medium_margin"
+                android:text="@string/press_back_twice"
+                app:switchPadding="@dimen/medium_margin" />
+
+        </RelativeLayout>
+
         <com.simplemobiletools.commons.views.MyTextView
             android:id="@+id/visibility_label"
             android:layout_width="wrap_content"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index a6678c61..54869c05 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -43,6 +43,7 @@
 
     <!-- Settings -->
     <string name="enable_root_access">Enable root access</string>
+    <string name="press_back_twice" translatable="false">Press back twice to exit</string>
 
     <!-- Strings displayed only on Google Play Store. Optional, but good to have -->
     <!-- App title has to have less than 50 characters. If you cannot squeeze it, just remove a part of it -->