fixed code warnings

tweaking travis config

.travis.yml

@@ -73,7 +73,7 @@ before_script:
   - test -f twidere/src/google/AndroidManifest.xml
 
 script:
-  - ./gradlew clean build
+  - ./gradlew clean assembleGoogle
 
 after_failure:
   - travis/scripts/print_error_logs.sh

twidere/src/main/kotlin/org/mariotaku/twidere/activity/QuickSearchBarActivity.kt

@@ -370,13 +370,11 @@ class QuickSearchBarActivity : BaseActivity(), OnClickListener, LoaderCallbacks<
         }
 
         override fun swapCursor(newCursor: Cursor?): Cursor? {
-            indices = if (newCursor != null) SuggestionItem.Indices(newCursor) else null
-            removedPositions!!.clear()
+            indices = newCursor?.let(SuggestionItem::Indices)
             return super.swapCursor(newCursor)
         }
 
         override fun getCount(): Int {
-            if (removedPositions == null) return super.getCount()
             return super.getCount() - removedPositions.size()
         }