circle icons for accounts with color coding

res/layout/drawer_header.xml

@@ -32,17 +32,19 @@
 
         <ImageView
             android:id="@+id/drawer_usericon"
-            android:layout_width="24dp"
-            android:layout_height="24dp"
+            android:layout_width="32dp"
+            android:layout_height="32dp"
             android:layout_gravity="center_vertical"
             android:src="@drawable/ic_account_circle"
+            android:padding="0dp"
+            android:layout_margin="0dp"
             />
 
         <LinearLayout
             android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:layout_weight="1"
-            android:gravity="center_vertical"
+            android:layout_gravity="top"
             android:paddingLeft="@dimen/standard_half_padding"
             android:paddingRight="@dimen/standard_half_padding"
             android:orientation="vertical">

src/com/owncloud/android/ui/TextDrawable.java

@@ -5,7 +5,6 @@ import android.graphics.Color;
 import android.graphics.ColorFilter;
 import android.graphics.Paint;
 import android.graphics.PixelFormat;
-import android.graphics.RectF;
 import android.graphics.drawable.Drawable;
 
 /**
@@ -24,21 +23,23 @@ public class TextDrawable extends Drawable {
 
         bg = new Paint();
         bg.setStyle(Paint.Style.FILL);
+        bg.setAntiAlias(true);
         bg.setColor(color);
 
         paint = new Paint();
         paint.setColor(Color.WHITE);
-        paint.setTextSize(20);
+        paint.setTextSize(60);
         paint.setAntiAlias(true);
         paint.setFakeBoldText(true);
     }
 
     @Override
     public void draw(Canvas canvas) {
-        //RectF rf = new RectF(0,24,24,0);
-        //canvas.drawRoundRect(rf,24,24,bg);
-        canvas.drawRect(0,-20,20,40,bg);
-        canvas.drawText(text, 4, 6, paint);
+        //float[] radii = {radius, radius, radius, radius, radius, radius, radius, radius};
+        //new RoundRectShape(radii, null, null);
+        canvas.drawCircle(40, 40, 40, bg);
+        //canvas.drawRect(0, -20, 20, 40, bg);
+        canvas.drawText(text, 20, 60, paint);
     }
 
     @Override

src/com/owncloud/android/ui/activity/DrawerActivity.java

@@ -4,6 +4,7 @@ import android.accounts.Account;
 import android.accounts.AccountManager;
 import android.content.Intent;
 import android.content.res.Configuration;
+import android.graphics.Color;
 import android.os.Bundle;
 import android.support.design.widget.NavigationView;
 import android.support.v4.view.GravityCompat;
@@ -250,9 +251,9 @@ public abstract class DrawerActivity extends ToolbarActivity {
         // add all accounts to list
         for (int i = 0; i < accounts.length; i++) {
             try {
-                int[] rgb = calculateRGB(accounts[i]);
-                TextDrawable icon = new TextDrawable(accounts[i].name.substring(0, 1).toUpperCase(),
-                        rgb[0], rgb[1], rgb[2]);
+                int[] rgb = calculateRGB(accounts[i].name);
+                TextDrawable icon = new TextDrawable(accounts[i].name.substring(0, 1).toUpperCase()
+                        , rgb[0], rgb[1], rgb[2]);
                 mNavigationView.getMenu().add(R.id.drawer_menu_accounts, Menu.NONE, 0, accounts[i].name).setIcon(icon);
             } catch (Exception e) {
                 Log_OC.e(TAG, "Error calculating RGB value for account menu item.", e);
@@ -267,10 +268,10 @@ public abstract class DrawerActivity extends ToolbarActivity {
         }
     }
 
-    private int[] calculateRGB(Account account) throws UnsupportedEncodingException, NoSuchAlgorithmException {
+    private int[] calculateRGB(String accountName) throws UnsupportedEncodingException, NoSuchAlgorithmException {
         // using adapted algorithm from /core/js/placeholder.js:50
-        int lastAtPos = account.name.lastIndexOf("@");
-        String username = account.name.substring(0, lastAtPos);
+        int lastAtPos = accountName.lastIndexOf("@");
+        String username = accountName.substring(0, lastAtPos);
         byte[] seed = username.getBytes("UTF-8");
         MessageDigest md = MessageDigest.getInstance("MD5");
 //                        Integer seedMd5Int = Math.abs(new String(Hex.encodeHex(seedMd5))
@@ -316,6 +317,18 @@ public abstract class DrawerActivity extends ToolbarActivity {
             usernameFull.setText(accountName);
             int lastAtPos = accountName.lastIndexOf("@");
             username.setText(accountName.substring(0, lastAtPos));
+
+            ImageView usericon = (ImageView) ((NavigationView) findViewById(R.id.nav_view))
+                    .getHeaderView(0).findViewById(R.id.drawer_usericon);
+            try {
+                int[] rgb = calculateRGB(accountName);
+                TextDrawable icon = new TextDrawable(
+                        accountName.substring(0, 1).toUpperCase(), rgb[0], rgb[1], rgb[2]);
+                usericon.setImageDrawable(icon);
+            } catch (Exception e) {
+                Log_OC.e(TAG, "Error calculating RGB value for active account icon.", e);
+                usericon.setImageResource(R.drawable.ic_account_circle);
+            }
         }
     }