1 /* 2 * Copyright (C) 2017 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.pm.LauncherActivityInfo; 20 import android.content.pm.LauncherApps; 21 import android.graphics.drawable.Drawable; 22 import android.os.Bundle; 23 import android.os.UserHandle; 24 import android.os.UserManager; 25 import android.util.DisplayMetrics; 26 import android.util.Log; 27 import android.view.LayoutInflater; 28 import android.view.View; 29 import android.view.View.OnClickListener; 30 import android.view.ViewGroup; 31 import android.widget.BaseAdapter; 32 import android.widget.Button; 33 import android.widget.ImageView; 34 import android.widget.TextView; 35 36 import java.util.ArrayList; 37 import java.util.Collections; 38 import java.util.Comparator; 39 import java.util.List; 40 41 public abstract class BaseActivityListFragment extends MyBaseListFragment { 42 private AppAdapter mAdapter; 43 44 @Override 45 public void onCreate(Bundle savedInstanceState) { 46 super.onCreate(savedInstanceState); 47 48 mAdapter = new AppAdapter(getActivity()); 49 setListAdapter(mAdapter); 50 } 51 52 @Override 53 protected void refreshList() { 54 Log.d(Global.TAG, "Loading apps and shortcuts..."); 55 56 final List<LauncherActivityInfo> apps = new ArrayList<>(); 57 58 try { 59 for (UserHandle user : Compat.getProfiles(getActivity())) { 60 if (mUserManager.isUserUnlocked(user)) { 61 apps.addAll(getActivities(user)); 62 } 63 } 64 Collections.sort(apps, sLauncherIconComparator); 65 } catch (Exception e) { 66 Global.showToast(getContext(), e.getMessage()); 67 } 68 69 Log.d(Global.TAG, "Apps and shortcuts loaded. (count=" + apps.size() + ")"); 70 71 mAdapter.setList(apps); 72 } 73 74 protected abstract List<LauncherActivityInfo> getActivities(UserHandle user); 75 76 private static final Comparator<LauncherActivityInfo> sLauncherIconComparator = 77 (LauncherActivityInfo l1, LauncherActivityInfo l2) -> { 78 int ret = 0; 79 ret = l1.getLabel().toString().compareTo(l2.getLabel().toString()); 80 if (ret != 0) return ret; 81 82 // TODO Don't rely on hashCode being the user-id. 83 ret = l1.getUser().hashCode() - l2.getUser().hashCode(); 84 if (ret != 0) return ret; 85 86 return 0; 87 }; 88 89 private class AppAdapter extends BaseAdapter implements OnClickListener { 90 private final Context mContext; 91 private final LayoutInflater mInflater; 92 private List<LauncherActivityInfo> mList; 93 94 public AppAdapter(Context context) { 95 mContext = context; 96 mInflater = mContext.getSystemService(LayoutInflater.class); 97 mUserManager = mContext.getSystemService(UserManager.class); 98 mLauncherApps = mContext.getSystemService(LauncherApps.class); 99 } 100 101 public void setList(List<LauncherActivityInfo> list) { 102 mList = list; 103 notifyDataSetChanged(); 104 } 105 106 @Override 107 public int getCount() { 108 return mList == null ? 0 : mList.size(); 109 } 110 111 @Override 112 public LauncherActivityInfo getItem(int position) { 113 return mList == null ? null : mList.get(position); 114 } 115 116 @Override 117 public long getItemId(int position) { 118 return position; 119 } 120 121 @Override 122 public boolean hasStableIds() { 123 return false; 124 } 125 126 @Override 127 public boolean areAllItemsEnabled() { 128 return true; 129 } 130 131 @Override 132 public boolean isEnabled(int position) { 133 return true; 134 } 135 136 @Override 137 public View getView(int position, View convertView, ViewGroup parent) { 138 final View view; 139 if (convertView != null) { 140 view = convertView; 141 } else { 142 view = mInflater.inflate(R.layout.list_item, null); 143 } 144 145 bindView(view, getItem(position)); 146 147 return view; 148 } 149 150 public void bindView(View view, LauncherActivityInfo ai) { 151 { 152 final View v = view.findViewById(R.id.launch); 153 154 v.setTag(ai); 155 156 v.setOnClickListener(this); 157 v.setVisibility(View.VISIBLE); 158 } 159 { 160 final Button v = (Button) view.findViewById(R.id.action2); 161 v.setTag(ai); 162 v.setVisibility(View.INVISIBLE); 163 164 try { 165 onBindAction2(v, ai, this); 166 } catch (Exception e) { 167 Log.w(Global.TAG, "Caught exception", e); 168 } 169 } 170 171 final TextView line1 = (TextView) view.findViewById(R.id.line1); 172 final TextView line2 = (TextView) view.findViewById(R.id.line2); 173 174 line1.setText(ai.getLabel()); 175 176 // TODO Do it on worker thread 177 final Drawable icon = ai.getBadgedIcon(DisplayMetrics.DENSITY_DEFAULT); 178 final ImageView image = (ImageView) view.findViewById(R.id.image); 179 image.setImageDrawable(icon); 180 } 181 182 @Override 183 public void onClick(View v) { 184 final LauncherActivityInfo ai = (LauncherActivityInfo) v.getTag(); 185 switch (v.getId()) { 186 case R.id.launch: 187 try { 188 onLaunch(ai); 189 } catch (Exception e) { 190 Global.showToast(getContext(), e.getMessage()); 191 } 192 return; 193 case R.id.action2: 194 try { 195 onAction2(ai); 196 } catch (Exception e) { 197 Global.showToast(getContext(), e.getMessage()); 198 } 199 return; 200 } 201 } 202 } 203 204 protected void onBindAction2(Button v, LauncherActivityInfo ai, 205 OnClickListener listener) { 206 } 207 208 protected abstract void onLaunch(LauncherActivityInfo ai); 209 210 protected void onAction2(LauncherActivityInfo ai) { 211 } 212 }
