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      1 /*
      2  * Copyright (C) 2016 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 package com.example.android.pm.shortcutlauncherdemo;
     17 
     18 import android.content.Context;
     19 import android.content.Intent;
     20 import android.content.pm.LauncherActivityInfo;
     21 import android.content.pm.LauncherApps;
     22 import android.content.pm.LauncherApps.ShortcutQuery;
     23 import android.graphics.drawable.Drawable;
     24 import android.os.Bundle;
     25 import android.os.UserHandle;
     26 import android.os.UserManager;
     27 import android.util.DisplayMetrics;
     28 import android.util.Log;
     29 import android.view.LayoutInflater;
     30 import android.view.View;
     31 import android.view.View.OnClickListener;
     32 import android.view.ViewGroup;
     33 import android.widget.BaseAdapter;
     34 import android.widget.Button;
     35 import android.widget.ImageView;
     36 import android.widget.TextView;
     37 
     38 import java.util.ArrayList;
     39 import java.util.Collections;
     40 import java.util.Comparator;
     41 import java.util.List;
     42 
     43 public class AppListFragment extends MyBaseListFragment {
     44     private AppAdapter mAdapter;
     45 
     46     @Override
     47     public void onCreate(Bundle savedInstanceState) {
     48         super.onCreate(savedInstanceState);
     49 
     50         mAdapter = new AppAdapter(getActivity());
     51         setListAdapter(mAdapter);
     52     }
     53 
     54     @Override
     55     protected void refreshList() {
     56         Log.d(Global.TAG, "Loading apps and shortcuts...");
     57 
     58         final List<LauncherActivityInfo> apps = new ArrayList<>();
     59 
     60         for (UserHandle user : mUserManager.getUserProfiles()) {
     61             apps.addAll(mLauncherApps.getActivityList(null, user));
     62         }
     63         Collections.sort(apps, sLauncherIconComparator);
     64 
     65         Log.d(Global.TAG, "Apps and shortcuts loaded.");
     66 
     67         mAdapter.setList(apps);
     68     }
     69 
     70     private static final Comparator<LauncherActivityInfo> sLauncherIconComparator =
     71             (LauncherActivityInfo l1, LauncherActivityInfo l2) -> {
     72                 int ret = 0;
     73                 ret = l1.getLabel().toString().compareTo(l2.getLabel().toString());
     74                 if (ret != 0) return ret;
     75 
     76                 // TODO Don't rely on hashCode being the user-id.
     77                 ret = l1.getUser().hashCode() - l2.getUser().hashCode();
     78                 if (ret != 0) return ret;
     79 
     80                 return 0;
     81             };
     82 
     83     public class AppAdapter extends BaseAdapter implements OnClickListener {
     84         private final Context mContext;
     85         private final LayoutInflater mInflater;
     86         private final UserManager mUserManager;
     87         private final LauncherApps mLauncherApps;
     88         private List<LauncherActivityInfo> mList;
     89 
     90         public AppAdapter(Context context) {
     91             mContext = context;
     92             mInflater = mContext.getSystemService(LayoutInflater.class);
     93             mUserManager = mContext.getSystemService(UserManager.class);
     94             mLauncherApps = mContext.getSystemService(LauncherApps.class);
     95         }
     96 
     97         public void setList(List<LauncherActivityInfo> list) {
     98             mList = list;
     99             notifyDataSetChanged();
    100         }
    101 
    102         @Override
    103         public int getCount() {
    104             return mList == null ? 0 : mList.size();
    105         }
    106 
    107         @Override
    108         public LauncherActivityInfo getItem(int position) {
    109             return mList == null ? null : mList.get(position);
    110         }
    111 
    112         @Override
    113         public long getItemId(int position) {
    114             return position;
    115         }
    116 
    117         @Override
    118         public boolean hasStableIds() {
    119             return false;
    120         }
    121 
    122         @Override
    123         public boolean areAllItemsEnabled() {
    124             return true;
    125         }
    126 
    127         @Override
    128         public boolean isEnabled(int position) {
    129             return true;
    130         }
    131 
    132         @Override
    133         public View getView(int position, View convertView, ViewGroup parent) {
    134             final View view;
    135             if (convertView != null) {
    136                 view = convertView;
    137             } else {
    138                 view = mInflater.inflate(R.layout.list_item, null);
    139             }
    140 
    141             bindView(view, getItem(position));
    142 
    143             return view;
    144         }
    145 
    146         public void bindView(View view, LauncherActivityInfo ai) {
    147             {
    148                 final View v = view.findViewById(R.id.launch);
    149 
    150                 v.setTag(ai);
    151 
    152                 v.setOnClickListener(this);
    153                 v.setVisibility(View.VISIBLE);
    154             }
    155             {
    156                 final Button v = (Button) view.findViewById(R.id.action2);
    157 
    158                 v.setTag(ai);
    159 
    160                 v.setVisibility(View.INVISIBLE);
    161                 try {
    162                     if (mUserManager.isUserUnlocked(ai.getUser())
    163                             && mLauncherApps.hasShortcutHostPermission()) {
    164                         mQuery.setPackage(ai.getComponentName().getPackageName());
    165                         mQuery.setQueryFlags(ShortcutQuery.FLAG_MATCH_DYNAMIC
    166                                 | ShortcutQuery.FLAG_MATCH_PINNED
    167                                 | ShortcutQuery.FLAG_MATCH_MANIFEST
    168                                 | ShortcutQuery.FLAG_GET_KEY_FIELDS_ONLY);
    169                         mQuery.setActivity(ai.getComponentName());
    170 
    171                         if (mLauncherApps.getShortcuts(mQuery, ai.getUser()).size() > 0) {
    172                             v.setOnClickListener(this);
    173                             v.setVisibility(View.VISIBLE);
    174                             v.setText("Shortcuts");
    175                         }
    176                     }
    177                 } catch (Exception e) {
    178                     Log.w(Global.TAG, "Caught exception", e);
    179                 }
    180             }
    181 
    182             final TextView line1 = (TextView) view.findViewById(R.id.line1);
    183             final TextView line2 = (TextView) view.findViewById(R.id.line2);
    184 
    185             line1.setText(ai.getLabel());
    186 
    187             // TODO Do it on worker thread
    188             final Drawable icon = ai.getBadgedIcon(DisplayMetrics.DENSITY_DEFAULT);
    189             final ImageView image = (ImageView) view.findViewById(R.id.image);
    190             image.setImageDrawable(icon);
    191         }
    192 
    193         @Override
    194         public void onClick (View v){
    195             final LauncherActivityInfo ai = (LauncherActivityInfo) v.getTag();
    196             switch (v.getId()) {
    197                 case R.id.launch:
    198                     try {
    199                         mLauncherApps.startMainActivity(ai.getComponentName(), ai.getUser(),
    200                                 null, null);
    201                     } catch (Exception e) {
    202                         Global.showToast(getContext(), e.getMessage());
    203                     }
    204                     return;
    205                 case R.id.action2:
    206                     showShortcutsForPackage(ai);
    207                     return;
    208             }
    209         }
    210     }
    211 
    212     private void showShortcutsForPackage(LauncherActivityInfo ai) {
    213         final Intent i = PackageShortcutActivity.getLaunchIntent(
    214                 getActivity(),
    215                 ai.getComponentName().getPackageName(),
    216                 ai.getComponentName(),
    217                 ai.getUser(),
    218                 ai.getLabel());
    219         getActivity().startActivity(i);
    220     }
    221 }