Fix build lint warnings (#1087)

app/src/main/java/com/nutomic/syncthingandroid/views/EnhancedEditText.java

@@ -34,8 +34,17 @@ public class EnhancedEditText extends AppCompatEditText {
 
     @Override
     public boolean onTouchEvent(MotionEvent event) {
+        if (!isEnabled())
+            return false;
+        if (event.getAction() == MotionEvent.ACTION_UP)
+            super.performClick();
+        return  super.onTouchEvent(event);
+    }
+
+    @Override
+    public boolean performClick() {
         return (isEnabled())
-            ? super.onTouchEvent(event)
+            ? super.performClick()
             : false;
     }
 

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

@@ -32,5 +32,6 @@
         android:layout_gravity="start"
         android:background="?android:windowBackground"
         android:clickable="true"
-        android:elevation="16dp" />
+        android:elevation="16dp"
+        android:focusable="true" />
 </android.support.v4.widget.DrawerLayout>

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

@@ -49,6 +49,7 @@
             android:layout_width="200dp"
             android:layout_height="200dp"
             android:layout_gravity="center_horizontal"
+            tools:ignore="ContentDescription"
             tools:src="@drawable/ic_launcher"/>
 
     </LinearLayout>

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

@@ -78,6 +78,7 @@
             android:layout_alignParentRight="true"
             android:layout_alignTop="@+id/inner"
             android:background="@null"
+            android:contentDescription="@string/open_file_manager"
             android:paddingBottom="5dp"
             android:paddingEnd="20dp"
             android:paddingLeft="25dp"