1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.settings.deviceinfo; 18 19 import com.android.settings.R; 20 import com.google.common.collect.Lists; 21 22 import android.content.Context; 23 import android.preference.Preference; 24 import android.util.AttributeSet; 25 import android.view.View; 26 27 import java.util.ArrayList; 28 import java.util.Collection; 29 import java.util.Collections; 30 import java.util.List; 31 32 /** 33 * Creates a percentage bar chart inside a preference. 34 */ 35 public class UsageBarPreference extends Preference { 36 private PercentageBarChart mChart = null; 37 38 private final List<PercentageBarChart.Entry> mEntries = Lists.newArrayList(); 39 UsageBarPreference(Context context, AttributeSet attrs, int defStyle)40 public UsageBarPreference(Context context, AttributeSet attrs, int defStyle) { 41 super(context, attrs, defStyle); 42 setLayoutResource(R.layout.preference_memoryusage); 43 } 44 UsageBarPreference(Context context)45 public UsageBarPreference(Context context) { 46 super(context); 47 setLayoutResource(R.layout.preference_memoryusage); 48 } 49 UsageBarPreference(Context context, AttributeSet attrs)50 public UsageBarPreference(Context context, AttributeSet attrs) { 51 super(context, attrs); 52 setLayoutResource(R.layout.preference_memoryusage); 53 } 54 addEntry(int order, float percentage, int color)55 public void addEntry(int order, float percentage, int color) { 56 mEntries.add(PercentageBarChart.createEntry(order, percentage, color)); 57 Collections.sort(mEntries); 58 } 59 60 @Override onBindView(View view)61 protected void onBindView(View view) { 62 super.onBindView(view); 63 64 mChart = (PercentageBarChart) view.findViewById(R.id.percentage_bar_chart); 65 mChart.setEntries(mEntries); 66 } 67 commit()68 public void commit() { 69 if (mChart != null) { 70 mChart.invalidate(); 71 } 72 } 73 clear()74 public void clear() { 75 mEntries.clear(); 76 } 77 } 78