Update SummaryPreference to use config_headlineFontFamily.

Also deleted a couple of unused files.

Change-Id: I42b6f6c79c3a7ba00040d657204830c5a468a2b2
Fixes: 62385826
Test: manual

res/layout/preference_linearcolor.xml

@@ -1,36 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2010 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.
--->
-
-<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
-        android:layout_width="match_parent"
-        android:layout_height="?android:attr/listPreferredItemHeight"
-        android:paddingStart="?android:attr/listPreferredItemPaddingStart"
-        android:paddingEnd="?android:attr/listPreferredItemPaddingEnd">
-    <com.android.settings.applications.LinearColorBar
-        android:id="@+id/linear_color_bar"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:layout_marginTop="16dp"
-        android:layout_marginBottom="16dp"
-        android:gravity="center_vertical"
-        android:textAppearance="?android:attr/textAppearanceMedium"
-        android:shadowRadius="4"
-        android:shadowColor="?android:attr/colorBackground"
-        android:shadowDx="2"
-        android:shadowDy="2">
-    </com.android.settings.applications.LinearColorBar>
-
-</FrameLayout>

res/layout/settings_summary_preference.xml

@@ -26,9 +26,10 @@
         android:id="@android:id/title"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:paddingTop="0dp"
         android:layout_marginTop="0dp"
         android:layout_marginBottom="5dp"
+        android:fontFamily="@*android:string/config_headlineFontFamily"
+        android:paddingTop="0dp"
         android:textColor="?android:attr/colorAccent"
         android:textAppearance="@android:style/TextAppearance.Material.Display1"
         />

src/com/android/settings/applications/LinearColorPreference.java

@@ -1,76 +0,0 @@
-/*
- * Copyright (C) 2013 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.applications;
-
-import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceViewHolder;
-
-import com.android.settings.R;
-
-public class LinearColorPreference extends Preference {
-    float mRedRatio;
-    float mYellowRatio;
-    float mGreenRatio;
-    int mRedColor = 0xffaa5030;
-    int mYellowColor = 0xffaaaa30;
-    int mGreenColor = 0xff30aa50;
-    int mColoredRegions = LinearColorBar.REGION_ALL;
-    LinearColorBar.OnRegionTappedListener mOnRegionTappedListener;
-
-    public LinearColorPreference(Context context) {
-        super(context);
-        setLayoutResource(R.layout.preference_linearcolor);
-    }
-
-    public void setRatios(float red, float yellow, float green) {
-        mRedRatio = red;
-        mYellowRatio = yellow;
-        mGreenRatio = green;
-        notifyChanged();
-    }
-
-    public void setColors(int red, int yellow, int green) {
-        mRedColor = red;
-        mYellowColor = yellow;
-        mGreenColor = green;
-        notifyChanged();
-    }
-
-    public void setOnRegionTappedListener(LinearColorBar.OnRegionTappedListener listener) {
-        mOnRegionTappedListener = listener;
-        notifyChanged();
-    }
-
-    public void setColoredRegions(int regions) {
-        mColoredRegions = regions;
-        notifyChanged();
-    }
-
-    @Override
-    public void onBindViewHolder(PreferenceViewHolder view) {
-        super.onBindViewHolder(view);
-
-        LinearColorBar colors = (LinearColorBar)view.findViewById(
-                R.id.linear_color_bar);
-        colors.setShowIndicator(false);
-        colors.setColors(mRedColor, mYellowColor, mGreenColor);
-        colors.setRatios(mRedRatio, mYellowRatio, mGreenRatio);
-        colors.setColoredRegions(mColoredRegions);
-        colors.setOnRegionTappedListener(mOnRegionTappedListener);
-    }
-}

tests/robotests/src/com/android/settings/SummaryPreferenceTest.java

@@ -32,9 +32,14 @@ import static junit.framework.Assert.assertEquals;
 import static junit.framework.Assert.assertTrue;
 
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settings.testutils.shadow.SettingsShadowResources;
 
 @RunWith(SettingsRobolectricTestRunner.class)
-@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION,
+        shadows = {
+                SettingsShadowResources.class,
+                SettingsShadowResources.SettingsShadowTheme.class
+})
 public class SummaryPreferenceTest {
 
     private Context mContext;