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 android.content.Context; 20 import android.preference.Preference; 21 import android.util.AttributeSet; 22 import android.view.View; 23 24 import com.android.settings.R; 25 import com.google.android.collect.Lists; 26 27 import java.util.Collections; 28 import java.util.List; 29 30 /** 31 * Creates a percentage bar chart inside a preference. 32 */ 33 public class UsageBarPreference extends Preference { 34 private PercentageBarChart mChart = null; 35 36 private final List<PercentageBarChart.Entry> mEntries = Lists.newArrayList(); 37 38 public UsageBarPreference(Context context) { 39 this(context, null); 40 } 41 42 public UsageBarPreference(Context context, AttributeSet attrs) { 43 this(context, attrs, 0); 44 } 45 46 public UsageBarPreference(Context context, AttributeSet attrs, int defStyle) { 47 this(context, attrs, defStyle, 0); 48 } 49 50 public UsageBarPreference(Context context, AttributeSet attrs, int defStyleAttr, 51 int defStyleRes) { 52 super(context, attrs, defStyleAttr, defStyleRes); 53 setLayoutResource(R.layout.preference_memoryusage); 54 } 55 56 public void addEntry(int order, float percentage, int color) { 57 mEntries.add(PercentageBarChart.createEntry(order, percentage, color)); 58 Collections.sort(mEntries); 59 } 60 61 @Override 62 protected void onBindView(View view) { 63 super.onBindView(view); 64 65 mChart = (PercentageBarChart) view.findViewById(R.id.percentage_bar_chart); 66 mChart.setEntries(mEntries); 67 } 68 69 public void commit() { 70 if (mChart != null) { 71 mChart.invalidate(); 72 } 73 } 74 75 public void clear() { 76 mEntries.clear(); 77 } 78 } 79
