Fix layout bug in immersive mode

Signed-off-by: Mario Danic <mario@lovelyhq.com>

app/src/main/java/com/nextcloud/talk/controllers/ChatController.java

@@ -75,6 +75,8 @@ import com.nextcloud.talk.models.json.rooms.RoomOverall;
 import com.nextcloud.talk.models.json.rooms.RoomsOverall;
 import com.nextcloud.talk.presenters.MentionAutocompletePresenter;
 import com.nextcloud.talk.utils.ApiUtils;
+import com.nextcloud.talk.utils.DisplayUtils;
+import com.nextcloud.talk.utils.KeyboardUtils;
 import com.nextcloud.talk.utils.bundle.BundleKeys;
 import com.nextcloud.talk.utils.database.user.UserUtils;
 import com.nextcloud.talk.utils.glide.GlideApp;
@@ -416,6 +418,10 @@ public class ChatController extends BaseController implements MessagesListAdapte
         if (mentionAutocomplete != null && mentionAutocomplete.isPopupShowing()) {
             mentionAutocomplete.dismissPopup();
         }
+
+        if (getActivity() != null) {
+            new KeyboardUtils(getActivity(), getView());
+        }
     }
 
     @Override

app/src/main/java/com/nextcloud/talk/utils/KeyboardUtils.java

@@ -18,7 +18,6 @@ package com.nextcloud.talk.utils;
 
 import android.app.Activity;
 import android.graphics.Rect;
-import android.os.Build;
 import android.view.View;
 import android.view.ViewTreeObserver;
 import android.view.inputmethod.InputMethodManager;
@@ -42,19 +41,19 @@ public class KeyboardUtils {
 
             //get screen height and calculate the difference with the useable area from the r
             int height = decorView.getContext().getResources().getDisplayMetrics().heightPixels;
+
             int diff = height - r.bottom;
 
-            //if it could be a keyboard add the padding to the view
-            if (diff != 0) {
+            if (diff > 0) {
                 // if the use-able screen height differs from the total screen height we assume that it shows a keyboard now
                 //check if the padding is 0 (if yes set the padding for the keyboard)
                 if (contentView.getPaddingBottom() != diff) {
                     //set the padding of the contentView for the keyboard
-                    contentView.setPadding(0, 0, 0, diff);
+                    contentView.setPadding(0, 0, 0,  diff);
                 }
             } else {
-                //check if the padding is != 0 (if yes reset the padding)
-                if (contentView.getPaddingBottom() != 0) {
+                //check if the padding is != initialBottomPadding (if yes reset the padding)
+                if (contentView.getPaddingBottom() !=  0) {
                     //reset the padding of the contentView
                     contentView.setPadding(0, 0, 0, 0);
                 }
@@ -66,10 +65,7 @@ public class KeyboardUtils {
         this.decorView = act.getWindow().getDecorView();
         this.contentView = contentView;
 
-        //only required on newer android versions. it was working on API level 19
-        if (Build.VERSION.SDK_INT >= 19) {
-            decorView.getViewTreeObserver().addOnGlobalLayoutListener(onGlobalLayoutListener);
-        }
+        decorView.getViewTreeObserver().addOnGlobalLayoutListener(onGlobalLayoutListener);
     }
 
     /**
@@ -85,14 +81,10 @@ public class KeyboardUtils {
     }
 
     public void enable() {
-        if (Build.VERSION.SDK_INT >= 19) {
-            decorView.getViewTreeObserver().addOnGlobalLayoutListener(onGlobalLayoutListener);
-        }
+        decorView.getViewTreeObserver().addOnGlobalLayoutListener(onGlobalLayoutListener);
     }
 
     public void disable() {
-        if (Build.VERSION.SDK_INT >= 19) {
-            decorView.getViewTreeObserver().removeOnGlobalLayoutListener(onGlobalLayoutListener);
-        }
+        decorView.getViewTreeObserver().removeOnGlobalLayoutListener(onGlobalLayoutListener);
     }
 }