1 /* 2 * Copyright (C) 2008 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; 18 19 import android.app.ListActivity; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.content.pm.ApplicationInfo; 23 import android.content.pm.PackageInfo; 24 import android.content.pm.PackageManager; 25 import android.os.Build; 26 import android.os.Bundle; 27 import android.os.Process; 28 import android.view.LayoutInflater; 29 import android.view.View; 30 import android.view.ViewGroup; 31 import android.widget.ArrayAdapter; 32 import android.widget.ListView; 33 34 import com.android.settings.applications.AppViewHolder; 35 36 import java.text.Collator; 37 import java.util.ArrayList; 38 import java.util.Collections; 39 import java.util.Comparator; 40 import java.util.List; 41 42 public class AppPicker extends ListActivity { 43 private AppListAdapter mAdapter; 44 45 public static final String EXTRA_REQUESTIING_PERMISSION 46 = "com.android.settings.extra.REQUESTIING_PERMISSION"; 47 public static final String EXTRA_DEBUGGABLE = "com.android.settings.extra.DEBUGGABLE"; 48 49 private String mPermissionName; 50 private boolean mDebuggableOnly; 51 52 @Override 53 protected void onCreate(Bundle icicle) { 54 super.onCreate(icicle); 55 56 mPermissionName = getIntent().getStringExtra(EXTRA_REQUESTIING_PERMISSION); 57 mDebuggableOnly = getIntent().getBooleanExtra(EXTRA_DEBUGGABLE, false); 58 59 mAdapter = new AppListAdapter(this); 60 if (mAdapter.getCount() <= 0) { 61 finish(); 62 } else { 63 setListAdapter(mAdapter); 64 } 65 } 66 67 @Override 68 protected void onResume() { 69 super.onResume(); 70 } 71 72 @Override 73 protected void onStop() { 74 super.onStop(); 75 } 76 77 @Override 78 protected void onListItemClick(ListView l, View v, int position, long id) { 79 MyApplicationInfo app = mAdapter.getItem(position); 80 Intent intent = new Intent(); 81 if (app.info != null) intent.setAction(app.info.packageName); 82 setResult(RESULT_OK, intent); 83 finish(); 84 } 85 86 class MyApplicationInfo { 87 ApplicationInfo info; 88 CharSequence label; 89 } 90 91 public class AppListAdapter extends ArrayAdapter<MyApplicationInfo> { 92 private final List<MyApplicationInfo> mPackageInfoList = new ArrayList<MyApplicationInfo>(); 93 private final LayoutInflater mInflater; 94 95 public AppListAdapter(Context context) { 96 super(context, 0); 97 mInflater = (LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); 98 List<ApplicationInfo> pkgs = context.getPackageManager().getInstalledApplications(0); 99 for (int i=0; i<pkgs.size(); i++) { 100 ApplicationInfo ai = pkgs.get(i); 101 if (ai.uid == Process.SYSTEM_UID) { 102 continue; 103 } 104 105 // Filter out apps that are not debuggable if required. 106 if (mDebuggableOnly) { 107 // On a user build, we only allow debugging of apps that 108 // are marked as debuggable. Otherwise (for platform development) 109 // we allow all apps. 110 if ((ai.flags&ApplicationInfo.FLAG_DEBUGGABLE) == 0 111 && "user".equals(Build.TYPE)) { 112 continue; 113 } 114 } 115 116 // Filter out apps that do not request the permission if required. 117 if (mPermissionName != null) { 118 boolean requestsPermission = false; 119 try { 120 PackageInfo pi = getPackageManager().getPackageInfo(ai.packageName, 121 PackageManager.GET_PERMISSIONS); 122 if (pi.requestedPermissions == null) { 123 continue; 124 } 125 for (String requestedPermission : pi.requestedPermissions) { 126 if (requestedPermission.equals(mPermissionName)) { 127 requestsPermission = true; 128 break; 129 } 130 } 131 if (!requestsPermission) { 132 continue; 133 } 134 } catch (PackageManager.NameNotFoundException e) { 135 continue; 136 } 137 } 138 139 MyApplicationInfo info = new MyApplicationInfo(); 140 info.info = ai; 141 info.label = info.info.loadLabel(getPackageManager()).toString(); 142 mPackageInfoList.add(info); 143 } 144 Collections.sort(mPackageInfoList, sDisplayNameComparator); 145 MyApplicationInfo info = new MyApplicationInfo(); 146 info.label = context.getText(R.string.no_application); 147 mPackageInfoList.add(0, info); 148 addAll(mPackageInfoList); 149 } 150 151 @Override 152 public View getView(int position, View convertView, ViewGroup parent) { 153 // A ViewHolder keeps references to children views to avoid unnecessary calls 154 // to findViewById() on each row. 155 AppViewHolder holder = AppViewHolder.createOrRecycle(mInflater, convertView); 156 convertView = holder.rootView; 157 MyApplicationInfo info = getItem(position); 158 holder.appName.setText(info.label); 159 if (info.info != null) { 160 holder.appIcon.setImageDrawable(info.info.loadIcon(getPackageManager())); 161 holder.summary.setText(info.info.packageName); 162 } else { 163 holder.appIcon.setImageDrawable(null); 164 holder.summary.setText(""); 165 } 166 holder.disabled.setVisibility(View.GONE); 167 return convertView; 168 } 169 } 170 171 private final static Comparator<MyApplicationInfo> sDisplayNameComparator 172 = new Comparator<MyApplicationInfo>() { 173 public final int 174 compare(MyApplicationInfo a, MyApplicationInfo b) { 175 return collator.compare(a.label, b.label); 176 } 177 178 private final Collator collator = Collator.getInstance(); 179 }; 180 } 181
