Add config for text and background colors

This adds config options for the colors used for the store text
and background when displaying the store name in the single
card view or the thumbnail for the card list.

app/src/main/java/protect/card_locker/LoyaltyCardViewActivity.java

@@ -1,15 +1,12 @@
 package protect.card_locker;
 
 
-import android.app.Activity;
-import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
+import android.graphics.Color;
 import android.os.Build;
 import android.os.Bundle;
-import android.support.design.widget.Snackbar;
 import android.support.v7.app.ActionBar;
-import android.support.v7.app.AlertDialog;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
 import android.util.Log;
@@ -19,8 +16,6 @@ import android.view.View;
 import android.view.ViewTreeObserver;
 import android.view.Window;
 import android.view.WindowManager;
-import android.widget.Button;
-import android.widget.EditText;
 import android.widget.ImageView;
 import android.widget.TextView;
 import android.widget.Toast;
@@ -128,10 +123,28 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
 
         storeName.setText(loyaltyCard.store);
 
-        int cardViewLetterFontSize = getResources().getDimensionPixelSize(R.dimen.cardViewLetterFontSize);
-        int pixelSize = getResources().getDimensionPixelSize(R.dimen.cardThumbnailSizeLarge);
-        LetterBitmap letterBitmap = new LetterBitmap(this, loyaltyCard.store, loyaltyCard.store, cardViewLetterFontSize, pixelSize, pixelSize);
-        collapsingToolbarLayout.setBackgroundColor(letterBitmap.getBackgroundColor());
+        int textColor;
+        if(loyaltyCard.headerTextColor != null)
+        {
+            textColor = loyaltyCard.headerTextColor;
+        }
+        else
+        {
+            textColor = Color.WHITE;
+        }
+        storeName.setTextColor(textColor);
+
+        int backgroundHeaderColor;
+        if(loyaltyCard.headerColor != null)
+        {
+            backgroundHeaderColor = loyaltyCard.headerColor;
+        }
+        else
+        {
+            backgroundHeaderColor = LetterBitmap.getDefaultColor(this, loyaltyCard.store);
+        }
+
+        collapsingToolbarLayout.setBackgroundColor(backgroundHeaderColor);
 
         if(barcodeImage.getHeight() == 0)
         {