FBR-495-Sort. Added the right icon and the dismiss on touch outside

Author: miguel-villalobos

FBReader/src/main/java/org/geometerplus/android/fbreader/benetech/MyBooksActivity.java

@@ -1,6 +1,7 @@
 package org.geometerplus.android.fbreader.benetech;
 
 import android.content.SharedPreferences;
+import android.graphics.drawable.BitmapDrawable;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
 import android.support.design.widget.TabLayout;
@@ -87,6 +88,8 @@ private void initSortByPopup(){
         ((RadioGroup)contentView).setOnCheckedChangeListener(sortByRadioGroupListener);
         sortByPopupWindow = new PopupWindow(contentView, ViewGroup.LayoutParams.WRAP_CONTENT,
                 ViewGroup.LayoutParams.WRAP_CONTENT, true);
+        sortByPopupWindow.setBackgroundDrawable(new BitmapDrawable());
+        sortByPopupWindow.setOutsideTouchable(true);
         sortByPopupWindow.setContentView(contentView);
     }
 

FBReader/src/main/res/drawable-hdpi/ic_sort_white_24dp.png

@@ -3,7 +3,7 @@
     xmlns:app="http://schemas.android.com/apk/res-auto">
     <item
         android:id="@+id/sorty_by"
-        android:icon="@drawable/ic_menu_toc"
+        android:icon="@drawable/ic_sort_white_24dp"
         android:title="@string/sort_by"
         app:showAsAction="always"
         android:contentDescription="@string/sort_by"