Layout refinement for app lists

Make all app lists (or at least all current app lists) use the same
base layout for icon, label, and sizing/padding.  This way they
should look the same.

Bug: 21727125
Bug: 21726922
Bug: 21853632
Change-Id: I3cffadb9e7b5184d4209deacd4ea70ec1d4f71b4

src/com/android/settings/AppProgressPreference.java

@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.settings;
+
+import android.content.Context;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.ProgressBar;
+
+public class AppProgressPreference extends TintablePreference {
+
+    private int mProgress;
+
+    public AppProgressPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        setLayoutResource(R.layout.preference_app);
+        setWidgetLayoutResource(R.layout.widget_progress_bar);
+    }
+
+    public void setProgress(int amount) {
+        mProgress = amount;
+        notifyChanged();
+    }
+
+    @Override
+    protected void onBindView(View view) {
+        super.onBindView(view);
+
+        final ProgressBar progress = (ProgressBar) view.findViewById(android.R.id.progress);
+        progress.setProgress(mProgress);
+    }
+}