diff --git a/src/com/android/settings/location/DimmableIconPreference.java b/src/com/android/settings/location/DimmableIconPreference.java new file mode 100644 index 00000000000..bc75fc47548 --- /dev/null +++ b/src/com/android/settings/location/DimmableIconPreference.java @@ -0,0 +1,52 @@ +/* + * 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.location; + +import android.content.Context; +import android.graphics.drawable.Drawable; +import android.preference.Preference; +import android.util.AttributeSet; + +/** + * A preference item that can dim the icon when it's disabled. + */ +public class DimmableIconPreference extends Preference { + private static final int ICON_ALPHA_ENABLED = 255; + private static final int ICON_ALPHA_DISABLED = 102; + + public DimmableIconPreference(Context context, AttributeSet attrs, int defStyle) { + super(context, attrs, defStyle); + } + + public DimmableIconPreference(Context context, AttributeSet attrs) { + super(context, attrs); + } + + public DimmableIconPreference(Context context) { + super(context); + } + + @Override + public void onParentChanged(Preference parent, boolean disableChild) { + Drawable icon = getIcon(); + if (icon != null) { + icon.setAlpha(disableChild ? ICON_ALPHA_DISABLED : ICON_ALPHA_ENABLED); + setIcon(icon); + } + super.onParentChanged(parent, disableChild); + } +} diff --git a/src/com/android/settings/location/RecentLocationApps.java b/src/com/android/settings/location/RecentLocationApps.java index 1fa8aac7e36..84178e8f1be 100644 --- a/src/com/android/settings/location/RecentLocationApps.java +++ b/src/com/android/settings/location/RecentLocationApps.java @@ -96,7 +96,7 @@ public class RecentLocationApps { CharSequence label, boolean isHighBattery, Preference.OnPreferenceClickListener listener) { - Preference pref = new Preference(mActivity); + Preference pref = new DimmableIconPreference(mActivity); pref.setIcon(icon); pref.setTitle(label); if (isHighBattery) {