Improve failed avatar

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

app/build.gradle

@@ -157,6 +157,7 @@ dependencies {
     implementation 'eu.davidea:flipview:1.1.3'
     implementation 'com.webianks.library:popup-bubble:1.0.5'
 
+    implementation 'com.amulyakhare:com.amulyakhare.textdrawable:1.0.1'
     testImplementation 'junit:junit:4.12'
     androidTestImplementation ('com.android.support.test.espresso:espresso-core:3.0.1', {
         exclude group: 'com.android.support', module: 'support-annotations'

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

@@ -47,6 +47,7 @@ import android.view.inputmethod.EditorInfo;
 import android.widget.AbsListView;
 import android.widget.ImageView;
 
+import com.amulyakhare.textdrawable.TextDrawable;
 import com.bluelinelabs.conductor.RouterTransaction;
 import com.bluelinelabs.conductor.changehandler.HorizontalChangeHandler;
 import com.bumptech.glide.load.DataSource;
@@ -56,7 +57,6 @@ import com.bumptech.glide.load.resource.bitmap.CircleCrop;
 import com.bumptech.glide.request.RequestListener;
 import com.bumptech.glide.request.RequestOptions;
 import com.bumptech.glide.request.target.Target;
-import com.nextcloud.talk.utils.ApplicationWideCurrentRoomHolder;
 import com.nextcloud.talk.R;
 import com.nextcloud.talk.activities.CallActivity;
 import com.nextcloud.talk.adapters.messages.MagicIncomingTextMessageViewHolder;
@@ -76,6 +76,7 @@ import com.nextcloud.talk.models.json.rooms.Room;
 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.ApplicationWideCurrentRoomHolder;
 import com.nextcloud.talk.utils.KeyboardUtils;
 import com.nextcloud.talk.utils.bundle.BundleKeys;
 import com.nextcloud.talk.utils.database.user.UserUtils;
@@ -282,7 +283,10 @@ public class ChatController extends BaseController implements MessagesListAdapte
                             .listener(new RequestListener<Bitmap>() {
                                 @Override
                                 public boolean onLoadFailed(@Nullable GlideException e, Object model, Target<Bitmap> target, boolean isFirstResource) {
-                                    imageView.setVisibility(View.GONE);
+                                    TextDrawable drawable = TextDrawable.builder().beginConfig().bold()
+                                            .width(imageView.getMeasuredWidth()).height(imageView.getMeasuredHeight())
+                                            .endConfig().buildRound("?", getResources().getColor(R.color.nc_grey));
+                                    imageView.setImageDrawable(drawable);
                                     return true;
                                 }
 

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

@@ -16,5 +16,6 @@
     <color name="nc_material_yellow">#FFEB3B</color>
     <color name="nc_light_grey">#E8E8E8</color>
     <color name="grey_600">#757575</color>
+    <color name="nc_grey">#D5D5D5</color>
 </resources>