1 /* 2 * Copyright (C) 2019 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.car.developeroptions.display; 18 19 import android.content.Context; 20 import android.content.Intent; 21 import android.content.pm.PackageManager; 22 import android.content.pm.ResolveInfo; 23 import android.graphics.drawable.Drawable; 24 import android.os.UserHandle; 25 import android.util.AttributeSet; 26 import android.util.IconDrawableFactory; 27 import android.view.View; 28 import android.view.ViewGroup; 29 import android.widget.ArrayAdapter; 30 import android.widget.GridView; 31 import android.widget.ImageView; 32 33 import androidx.annotation.VisibleForTesting; 34 35 import com.android.car.developeroptions.R; 36 37 import java.util.ArrayList; 38 import java.util.Collections; 39 import java.util.List; 40 41 public class AppGridView extends GridView { AppGridView(Context context)42 public AppGridView(Context context) { 43 super(context); 44 init(context); 45 } 46 AppGridView(Context context, AttributeSet attrs)47 public AppGridView(Context context, AttributeSet attrs) { 48 super(context, attrs); 49 init(context); 50 } 51 AppGridView(Context context, AttributeSet attrs, int defStyleAttr)52 public AppGridView(Context context, AttributeSet attrs, int defStyleAttr) { 53 super(context, attrs, defStyleAttr); 54 init(context); 55 } 56 AppGridView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleResId)57 public AppGridView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleResId) { 58 super(context, attrs, defStyleAttr, defStyleResId); 59 60 init(context); 61 62 } 63 init(Context context)64 private void init(Context context) { 65 setAdapter(new AppsAdapter(context, R.layout.screen_zoom_preview_app_icon, 66 android.R.id.text1, android.R.id.icon1)); 67 } 68 69 /** 70 * Loads application labels and icons. 71 */ 72 @VisibleForTesting 73 public static class AppsAdapter extends ArrayAdapter<ActivityEntry> { 74 private final PackageManager mPackageManager; 75 private final int mIconResId; 76 AppsAdapter(Context context, int layout, int textResId, int iconResId)77 public AppsAdapter(Context context, int layout, int textResId, int iconResId) { 78 super(context, layout, textResId); 79 80 mIconResId = iconResId; 81 mPackageManager = context.getPackageManager(); 82 83 loadAllApps(); 84 } 85 86 @Override getView(int position, View convertView, ViewGroup parent)87 public View getView(int position, View convertView, ViewGroup parent) { 88 final View view = super.getView(position, convertView, parent); 89 final ActivityEntry entry = getItem(position); 90 final ImageView iconView = view.findViewById(mIconResId); 91 iconView.setImageDrawable(entry.getIcon()); 92 return view; 93 } 94 95 @Override hasStableIds()96 public boolean hasStableIds() { 97 return true; 98 } 99 100 @Override getItemId(int position)101 public long getItemId(int position) { 102 return position; 103 } 104 105 @Override isEnabled(int position)106 public boolean isEnabled(int position) { 107 return false; 108 } 109 loadAllApps()110 private void loadAllApps() { 111 final int needAppCount = 6; 112 final Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); 113 mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); 114 115 final PackageManager pm = mPackageManager; 116 final ArrayList<ActivityEntry> results = new ArrayList<>(); 117 final List<ResolveInfo> infos = pm.queryIntentActivities(mainIntent, 0); 118 final IconDrawableFactory iconFactory = IconDrawableFactory.newInstance(getContext()); 119 for (ResolveInfo info : infos) { 120 final CharSequence label = info.loadLabel(pm); 121 if (label != null) { 122 results.add(new ActivityEntry(info, label.toString(), iconFactory)); 123 } 124 if (results.size() >= needAppCount) { 125 break; 126 } 127 } 128 129 Collections.sort(results); 130 131 addAll(results); 132 } 133 } 134 135 /** 136 * Class used for caching the activity label and icon. 137 */ 138 @VisibleForTesting 139 public static class ActivityEntry implements Comparable<ActivityEntry> { 140 141 public final ResolveInfo info; 142 public final String label; 143 private final IconDrawableFactory mIconFactory; 144 private final int mUserId; 145 ActivityEntry(ResolveInfo info, String label, IconDrawableFactory iconFactory)146 public ActivityEntry(ResolveInfo info, String label, IconDrawableFactory iconFactory) { 147 this.info = info; 148 this.label = label; 149 mIconFactory = iconFactory; 150 mUserId = UserHandle.myUserId(); 151 } 152 153 @Override compareTo(ActivityEntry entry)154 public int compareTo(ActivityEntry entry) { 155 return label.compareToIgnoreCase(entry.label); 156 } 157 158 @Override toString()159 public String toString() { 160 return label; 161 } 162 getIcon()163 public Drawable getIcon() { 164 return mIconFactory.getBadgedIcon( 165 info.activityInfo, info.activityInfo.applicationInfo, mUserId); 166 } 167 } 168 } 169