Fix ProgressCategory theming and layout

- add missing constructors for correct theming
- fix layout by adding missing paddingStart / paddingEnd

Change-Id: I52a511d326b760a47339b2b9dad349c9f825dbd2

res/layout/preference_progress_category.xml

@@ -18,7 +18,9 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     style="?android:attr/listSeparatorTextViewStyle"
     android:gravity="center_vertical"
-    android:orientation="horizontal">
+    android:orientation="horizontal"
+    android:paddingStart="?android:attr/listPreferredItemPaddingStart"
+    android:paddingEnd="?android:attr/listPreferredItemPaddingEnd" >
 
     <!-- This text view has the style of the list separator text view without the background and padding. -->
     <TextView

src/com/android/settings/ProgressCategory.java

@@ -21,17 +21,35 @@ import android.preference.Preference;
 import android.util.AttributeSet;
 import android.view.View;
 
+/**
+ * A category with a progress spinner
+ */
 public class ProgressCategory extends ProgressCategoryBase {
 
-    private final int mEmptyTextRes;
+    private int mEmptyTextRes;
     private boolean mProgress = false;
     private Preference mNoDeviceFoundPreference;
     private boolean mNoDeviceFoundAdded;
 
+    public ProgressCategory(Context context) {
+        this(context, null);
+    }
+
+    public ProgressCategory(Context context, AttributeSet attrs) {
+        super(context, attrs, 0);
+    }
+
     public ProgressCategory(Context context, AttributeSet attrs,
-            int emptyTextRes) {
-        super(context, attrs);
+            int defStyleAttr) {
+        this(context, attrs, defStyleAttr, 0);
+    }
+
+    public ProgressCategory(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
         setLayoutResource(R.layout.preference_progress_category);
+    }
+
+    public void setEmptyTextRes(int emptyTextRes) {
         mEmptyTextRes = emptyTextRes;
     }
 

src/com/android/settings/ProgressCategoryBase.java

@@ -21,8 +21,21 @@ import android.preference.PreferenceCategory;
 import android.util.AttributeSet;
 
 public abstract class ProgressCategoryBase extends PreferenceCategory {
+    public ProgressCategoryBase(Context context) {
+        this(context, null);
+    }
+
     public ProgressCategoryBase(Context context, AttributeSet attrs) {
-        super(context, attrs);
+        this(context, attrs, 0);
+    }
+
+    public ProgressCategoryBase(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr, 0);
+    }
+
+    public ProgressCategoryBase(Context context, AttributeSet attrs, int defStyleAttr,
+                                int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
     }
 
     /**

src/com/android/settings/bluetooth/BluetoothProgressCategory.java

@@ -22,8 +22,26 @@ import com.android.settings.R;
 import android.content.Context;
 import android.util.AttributeSet;
 
+/**
+ * A Bluetooth discovery progress category
+ */
 public class BluetoothProgressCategory extends ProgressCategory {
+    public BluetoothProgressCategory(Context context) {
+        this(context, null);
+    }
+
     public BluetoothProgressCategory(Context context, AttributeSet attrs) {
-        super(context, attrs, R.string.bluetooth_no_devices_found);
+        this(context, attrs, 0);
+    }
+
+    public BluetoothProgressCategory(Context context, AttributeSet attrs, int defStyleAttr) {
+        this(context, attrs, defStyleAttr, 0);
+    }
+
+    public BluetoothProgressCategory(Context context, AttributeSet attrs, int defStyleAttr,
+            int defStyleRes) {
+        super(context, attrs, defStyleAttr, defStyleRes);
+
+        setEmptyTextRes(R.string.bluetooth_no_devices_found);
     }
 }

src/com/android/settings/bluetooth/BluetoothSettings.java

@@ -292,7 +292,7 @@ public final class BluetoothSettings extends DeviceListPreferenceFragment implem
 
                 // Available devices category
                 if (mAvailableDevicesCategory == null) {
-                    mAvailableDevicesCategory = new BluetoothProgressCategory(getActivity(), null);
+                    mAvailableDevicesCategory = new BluetoothProgressCategory(getActivity());
                 } else {
                     mAvailableDevicesCategory.removeAll();
                 }