Switch to use small icon for most app related pages

- Renamed AppProgressPreference to AppPreference to handle most app
  related prefs
- Add ed AppSwitchPreference - the same layout as AppPreference except
  it's a SwitchPreference
- Use above 2 prefs in most app related pages.
  - Everything under special access pages
  - Recent app list in App & notifications
  - App data usage detail page
  - Default app picker pages

Bug: 65182905
Test: robotests
Change-Id: I96c980ba1db49e36dabe25b5eade1197215aad11

src/com/android/settings/datausage/AppDataUsagePreference.java

@@ -15,19 +15,18 @@
 package com.android.settings.datausage;
 
 import android.content.Context;
-import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceViewHolder;
 import android.text.format.Formatter;
 import android.view.View;
 import android.widget.ProgressBar;
 
-import com.android.settings.R;
+import com.android.settings.widget.AppPreference;
 import com.android.settingslib.AppItem;
 import com.android.settingslib.net.UidDetail;
 import com.android.settingslib.net.UidDetailProvider;
 import com.android.settingslib.utils.ThreadUtils;
 
-public class AppDataUsagePreference extends Preference {
+public class AppDataUsagePreference extends AppPreference {
 
     private final AppItem mItem;
     private final int mPercent;
@@ -38,8 +37,6 @@ public class AppDataUsagePreference extends Preference {
         super(context);
         mItem = item;
         mPercent = percent;
-        setLayoutResource(R.layout.preference_app);
-        setWidgetLayoutResource(R.layout.widget_progress_bar);
 
         if (item.restricted && item.total <= 0) {
             setSummary(com.android.settings.R.string.data_usage_app_restricted);
@@ -60,7 +57,6 @@ public class AppDataUsagePreference extends Preference {
     @Override
     public void onBindViewHolder(PreferenceViewHolder holder) {
         super.onBindViewHolder(holder);
-
         final ProgressBar progress = (ProgressBar) holder.findViewById(
                 android.R.id.progress);
 

src/com/android/settings/datausage/UnrestrictedDataAccess.java

@@ -18,7 +18,6 @@ import android.app.Application;
 import android.content.Context;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.support.v14.preference.SwitchPreference;
 import android.support.v7.preference.Preference;
 import android.support.v7.preference.PreferenceViewHolder;
 import android.view.Menu;
@@ -34,6 +33,7 @@ import com.android.settings.applications.AppStateBaseBridge;
 import com.android.settings.applications.InstalledAppDetails;
 import com.android.settings.datausage.AppStateDataUsageBridge.DataUsageState;
 import com.android.settings.overlay.FeatureFactory;
+import com.android.settings.widget.AppSwitchPreference;
 import com.android.settingslib.applications.ApplicationsState;
 import com.android.settingslib.applications.ApplicationsState.AppEntry;
 import com.android.settingslib.applications.ApplicationsState.AppFilter;
@@ -59,11 +59,7 @@ public class UnrestrictedDataAccess extends SettingsPreferenceFragment
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);
         setAnimationAllowed(true);
-        if (usePreferenceScreenTitle()) {
-            addPreferencesFromResource(R.xml.unrestricted_data_access_settings);
-        } else {
-            setPreferenceScreen(getPreferenceManager().createPreferenceScreen(getContext()));
-        }
+        addPreferencesFromResource(R.xml.unrestricted_data_access_settings);
         mApplicationsState = ApplicationsState.getInstance(
                 (Application) getContext().getApplicationContext());
         mDataSaverBackend = new DataSaverBackend(getContext());
@@ -239,7 +235,8 @@ public class UnrestrictedDataAccess extends SettingsPreferenceFragment
         return app != null && UserHandle.isApp(app.info.uid);
     }
 
-    private class AccessPreference extends SwitchPreference implements DataSaverBackend.Listener {
+    private class AccessPreference extends AppSwitchPreference
+            implements DataSaverBackend.Listener {
         private final AppEntry mEntry;
         private final DataUsageState mState;