add a toggle for showing photo preview after capturing

app/src/main/kotlin/com/simplemobiletools/camera/Config.kt

@@ -28,6 +28,10 @@ class Config(context: Context) {
         get() = mPrefs.getString(SAVE_PHOTOS, Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DCIM).toString())
         set(path) = mPrefs.edit().putString(SAVE_PHOTOS, path).apply()
 
+    var isShowPreviewEnabled: Boolean
+        get() = mPrefs.getBoolean(SHOW_PREVIEW, false)
+        set(enabled) = mPrefs.edit().putBoolean(SHOW_PREVIEW, enabled).apply()
+
     var forceRatioEnabled: Boolean
         get() = mPrefs.getBoolean(FORCE_RATIO, true)
         set(enabled) = mPrefs.edit().putBoolean(FORCE_RATIO, enabled).apply()

app/src/main/kotlin/com/simplemobiletools/camera/Constants.kt

@@ -19,12 +19,11 @@ val PREFS_KEY = "Camera"
 val IS_FIRST_RUN = "is_first_run"
 val IS_DARK_THEME = "is_dark_theme"
 val SAVE_PHOTOS = "save_photos"
+val SHOW_PREVIEW = "show_preview"
 val SOUND = "sound"
 val FORCE_RATIO = "force_ratio"
 val MAX_PHOTO_RESOLUTION = "max_photo_resolution"
 val MAX_VIDEO_RESOLUTION = "max_video_resolution"
-val MAX_RESOLUTION = "max_resolution"
 val LAST_USED_CAMERA = "last_used_camera"
 val LAST_FLASHLIGHT_STATE = "last_flashlight_state"
 val TREE_URI = "tree_uri"
-

app/src/main/kotlin/com/simplemobiletools/camera/activities/SettingsActivity.kt

@@ -29,6 +29,7 @@ class SettingsActivity : SimpleActivity() {
 
         setupDarkTheme()
         setupSavePhotosFolder()
+        setupShowPreview()
         setupSound()
         setupForceRatio()
         setupMaxPhotoResolution()
@@ -116,6 +117,14 @@ class SettingsActivity : SimpleActivity() {
         contentResolver.takePersistableUriPermission(treeUri, takeFlags)
     }
 
+    private fun setupShowPreview() {
+        settings_show_preview.isChecked = config.isShowPreviewEnabled
+        settings_show_preview_holder.setOnClickListener {
+            settings_show_preview.toggle()
+            config.isShowPreviewEnabled = settings_show_preview.isChecked
+        }
+    }
+
     private fun setupSound() {
         settings_sound.isChecked = config.isSoundEnabled
         settings_sound_holder.setOnClickListener {

app/src/main/res/layout/activity_settings.xml

@@ -66,6 +66,32 @@
 
         </RelativeLayout>
 
+        <RelativeLayout
+            android:id="@+id/settings_show_preview_holder"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="@dimen/settings_padding"
+            android:background="?attr/selectableItemBackground"
+            android:padding="@dimen/activity_margin">
+
+            <TextView
+                android:id="@+id/settings_show_preview_label"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_centerVertical="true"
+                android:paddingLeft="@dimen/settings_padding"
+                android:text="@string/show_preview"/>
+
+            <android.support.v7.widget.SwitchCompat
+                android:id="@+id/settings_show_preview"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_alignParentRight="true"
+                android:background="@null"
+                android:clickable="false"/>
+
+        </RelativeLayout>
+
         <RelativeLayout
             android:id="@+id/settings_sound_holder"
             android:layout_width="match_parent"

app/src/main/res/values-de/strings.xml

@@ -20,6 +20,7 @@
     <string name="dark_theme">Dunkles Design</string>
     <string name="save_photos">Save photos and videos to</string>
     <string name="force_ratio">Erzwinge 16:9 Format</string>
+    <string name="show_preview">Show a photo preview after capturing</string>
     <string name="max_photo_size">Maximale Fotoauflösung</string>
     <string name="max_video_size">Maximale Videoauflösung</string>
     <string name="no_limit">Kein Limit</string>

app/src/main/res/values-es/strings.xml

@@ -20,6 +20,7 @@
     <string name="dark_theme">Tema oscuro</string>
     <string name="save_photos">Guardar fotografías y vídeos en</string>
     <string name="force_ratio">Usar proporción de aspecto 16:9</string>
+    <string name="show_preview">Show a photo preview after capturing</string>
     <string name="max_photo_size">Resolución máxima para fotografía</string>
     <string name="max_video_size">Resolución máxima para vídeo</string>
     <string name="no_limit">Sin límite</string>

app/src/main/res/values-it/strings.xml

@@ -20,6 +20,7 @@
     <string name="dark_theme">Tema scuro</string>
     <string name="save_photos">Save photos and videos to</string>
     <string name="force_ratio">Forza proporzione 16:9</string>
+    <string name="show_preview">Show a photo preview after capturing</string>
     <string name="max_photo_size">Limite risoluzione foto</string>
     <string name="max_video_size">Video resolution limit</string>
     <string name="no_limit">nessuno</string>

app/src/main/res/values-ja/strings.xml

@@ -20,6 +20,7 @@
     <string name="dark_theme">ダークテーマ</string>
     <string name="save_photos">Save photos and videos to</string>
     <string name="force_ratio">強制的に 16:9 レシオにする</string>
+    <string name="show_preview">Show a photo preview after capturing</string>
     <string name="max_photo_size">写真解像度の限度</string>
     <string name="max_video_size">Video resolution limit</string>
     <string name="no_limit">なし</string>

app/src/main/res/values-lt/strings.xml

@@ -20,6 +20,7 @@
     <string name="dark_theme">Tamsi tema</string>
     <string name="save_photos">Išsaugoti nuotraukas ir vaizdo įrašus į</string>
     <string name="force_ratio">Naudoti 16:9 santykį</string>
+    <string name="show_preview">Show a photo preview after capturing</string>
     <string name="max_photo_size">Maksimalios nuotraukos raiškos limitas</string>
     <string name="max_video_size">Maksimalios vaizdo įrašo raiškos limitas</string>
     <string name="no_limit">nieko</string>

app/src/main/res/values-pt-rPT/strings.xml

@@ -20,6 +20,7 @@
     <string name="dark_theme">Tema escuro</string>
     <string name="save_photos">Guardar fotos e vídeos em</string>
     <string name="force_ratio">Utilizar rácio 16:9</string>
+    <string name="show_preview">Show a photo preview after capturing</string>
     <string name="max_photo_size">Resolução máxima das fotos</string>
     <string name="max_video_size">Resolução máxima dos vídeos</string>
     <string name="no_limit">sem limite</string>

app/src/main/res/values-ru/strings.xml

@@ -20,6 +20,7 @@
     <string name="dark_theme">темная тема</string>
     <string name="save_photos">Save photos and videos to</string>
     <string name="force_ratio">Принудительное соотношение сторон 16:9</string>
+    <string name="show_preview">Show a photo preview after capturing</string>
     <string name="max_photo_size">Лимит разрешения фото</string>
     <string name="max_video_size">Video resolution limit</string>
     <string name="no_limit">нет</string>

app/src/main/res/values-sv/strings.xml

@@ -20,6 +20,7 @@
     <string name="dark_theme">Mörkt tema</string>
     <string name="save_photos">Save photos and videos to</string>
     <string name="force_ratio">Tvinga 16:9-förhållande</string>
+    <string name="show_preview">Show a photo preview after capturing</string>
     <string name="max_photo_size">Bildupplösningsgräns</string>
     <string name="max_video_size">Video resolution limit</string>
     <string name="no_limit">inga</string>

app/src/main/res/values/strings.xml

@@ -20,6 +20,7 @@
     <string name="dark_theme">Dark theme</string>
     <string name="save_photos">Save photos and videos to</string>
     <string name="force_ratio">Use 16:9 ratio</string>
+    <string name="show_preview">Show a photo preview after capturing</string>
     <string name="max_photo_size">Max photo resolution limit</string>
     <string name="max_video_size">Max video resolution limit</string>
     <string name="no_limit">none</string>