[True Black] Cleaning up Code

Remove unused imports and redundant values
Coding style adjustment

app/src/main/java/de/danoeh/antennapod/activity/MainActivity.java

@@ -7,7 +7,6 @@ import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.res.Configuration;
 import android.database.DataSetObserver;
-import android.graphics.Color;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Handler;

app/src/main/java/de/danoeh/antennapod/adapter/AllEpisodesRecycleAdapter.java

@@ -22,8 +22,6 @@ import android.widget.TextView;
 import com.bumptech.glide.Glide;
 import com.joanzapata.iconify.Iconify;
 
-import org.shredzone.flattr4j.model.User;
-
 import java.lang.ref.WeakReference;
 
 import de.danoeh.antennapod.R;

core/src/main/java/de/danoeh/antennapod/core/preferences/UserPreferences.java

@@ -167,7 +167,7 @@ public class UserPreferences {
         int theme = getTheme();
         if (theme == R.style.Theme_AntennaPod_Dark) {
             return R.style.Theme_AntennaPod_Dark_NoTitle;
-        }else if (theme == R.style.Theme_AntennaPod_TrueBlack){
+        } else if (theme == R.style.Theme_AntennaPod_TrueBlack) {
             return R.style.Theme_AntennaPod_TrueBlack_NoTitle;
         } else {
             return R.style.Theme_AntennaPod_Light_NoTitle;

core/src/main/res/drawable/progress_bar_horizontal_trueblack.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:id="@android:id/background">
+        <shape>
+            <solid android:color="#33FFFFFF"/>
+        </shape>
+    </item>
+    <item android:id="@android:id/progress">
+        <clip>
+            <shape>
+                <solid android:color="@color/holo_blue_dark"/>
+            </shape>
+        </clip>
+    </item>
+</layer-list>

core/src/main/res/values-v19/colors.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
     <color name="selection_background_color_dark">#484B4D</color>
-    <color name="selection_background_color_trueblack">#000000</color>
     <color name="selection_background_color_light">#E3E3E3</color>
 </resources>

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

@@ -21,6 +21,7 @@
     <color name="new_indicator_green">#669900</color>
     <color name="image_readability_tint">#80000000</color>
 
+    <color name="selection_background_color_trueblack">#286E8A</color>
     <color name="selection_background_color_dark">#286E8A</color>
     <color name="selection_background_color_light">#81CFEA</color>