Add "Rear Camera in Video Messages"

TMessagesProj/src/main/java/com/exteragram/messenger/ExteraConfig.kt

@@ -30,4 +30,5 @@ object ExteraConfig {
     var archiveOnPull by sharedPreferences.boolean("archiveOnPull", true)
     var dateOfForwardedMsg by sharedPreferences.boolean("dateOfForwardedMsg", false)
     // Media
+    var rearVideoMessages by sharedPreferences.boolean("rearVideoMessages", false)
 }

TMessagesProj/src/main/java/com/exteragram/messenger/preferences/ChatsPreferencesEntry.kt

@@ -68,5 +68,16 @@ class ChatsPreferencesEntry : BasePreferencesEntry {
                 }
             }
         }
+        category(LocaleController.getString("Media", R.string.Media)) {
+            switch {
+                title = LocaleController.getString("RearVideoMessages", R.string.RearVideoMessages)
+
+                contract({
+                    return@contract ExteraConfig.rearVideoMessages
+                }) {
+                    ExteraConfig.rearVideoMessages = it
+                }
+            }
+        }
     }
 }

TMessagesProj/src/main/java/org/telegram/ui/Components/InstantCameraView.java

@@ -109,6 +109,8 @@ import javax.microedition.khronos.egl.EGLDisplay;
 import javax.microedition.khronos.egl.EGLSurface;
 import javax.microedition.khronos.opengles.GL;
 
+import com.exteragram.messenger.ExteraConfig;
+
 @TargetApi(18)
 public class InstantCameraView extends FrameLayout implements NotificationCenter.NotificationCenterDelegate {
 
@@ -538,7 +540,7 @@ public class InstantCameraView extends FrameLayout implements NotificationCenter
             textureOverlayView.setImageResource(R.drawable.icplaceholder);
         }
         cameraReady = false;
-        isFrontface = true;
+        isFrontface = !ExteraConfig.INSTANCE.getRearVideoMessages();
         selectedCamera = null;
         recordedTime = 0;
         progress = 0;

TMessagesProj/src/main/res/values/extera.xml

@@ -37,4 +37,7 @@
     <string name="HideKeyboardOnScroll">Hide Keyboard on Scrolling</string>
     <string name="ArchiveOnPull">Open Archive on Pulldown</string>
     <string name="DateOfForwardedMsg">Show date of forwarded message</string>
+
+    <string name="Media">Media</string>
+    <string name="RearVideoMessages">Rear Camera in Video Messages</string>
 </resources>