1 /* 2 * Copyright (C) 2011 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 android.accounts; 17 18 import android.app.Activity; 19 import android.content.Context; 20 import android.content.Intent; 21 import android.content.pm.PackageManager; 22 import android.content.res.Resources; 23 import android.graphics.drawable.Drawable; 24 import android.os.Bundle; 25 import android.util.Log; 26 import android.view.LayoutInflater; 27 import android.view.View; 28 import android.view.ViewGroup; 29 import android.widget.AdapterView; 30 import android.widget.ArrayAdapter; 31 import android.widget.ImageView; 32 import android.widget.ListView; 33 import android.widget.TextView; 34 import com.android.internal.R; 35 36 import java.util.ArrayList; 37 import java.util.HashMap; 38 import java.util.HashSet; 39 import java.util.Map; 40 import java.util.Set; 41 42 /** 43 * @hide 44 */ 45 public class ChooseAccountTypeActivity extends Activity { 46 private static final String TAG = "AccountChooser"; 47 48 private HashMap<String, AuthInfo> mTypeToAuthenticatorInfo = new HashMap<String, AuthInfo>(); 49 private ArrayList<AuthInfo> mAuthenticatorInfosToDisplay; 50 51 @Override 52 public void onCreate(Bundle savedInstanceState) { 53 super.onCreate(savedInstanceState); 54 55 if (Log.isLoggable(TAG, Log.VERBOSE)) { 56 Log.v(TAG, "ChooseAccountTypeActivity.onCreate(savedInstanceState=" 57 + savedInstanceState + ")"); 58 } 59 60 // Read the validAccountTypes, if present, and add them to the setOfAllowableAccountTypes 61 Set<String> setOfAllowableAccountTypes = null; 62 String[] validAccountTypes = getIntent().getStringArrayExtra( 63 ChooseTypeAndAccountActivity.EXTRA_ALLOWABLE_ACCOUNT_TYPES_STRING_ARRAY); 64 if (validAccountTypes != null) { 65 setOfAllowableAccountTypes = new HashSet<String>(validAccountTypes.length); 66 for (String type : validAccountTypes) { 67 setOfAllowableAccountTypes.add(type); 68 } 69 } 70 71 // create a map of account authenticators 72 buildTypeToAuthDescriptionMap(); 73 74 // Create a list of authenticators that are allowable. Filter out those that 75 // don't match the allowable account types, if provided. 76 mAuthenticatorInfosToDisplay = new ArrayList<AuthInfo>(mTypeToAuthenticatorInfo.size()); 77 for (Map.Entry<String, AuthInfo> entry: mTypeToAuthenticatorInfo.entrySet()) { 78 final String type = entry.getKey(); 79 final AuthInfo info = entry.getValue(); 80 if (setOfAllowableAccountTypes != null 81 && !setOfAllowableAccountTypes.contains(type)) { 82 continue; 83 } 84 mAuthenticatorInfosToDisplay.add(info); 85 } 86 87 if (mAuthenticatorInfosToDisplay.isEmpty()) { 88 Bundle bundle = new Bundle(); 89 bundle.putString(AccountManager.KEY_ERROR_MESSAGE, "no allowable account types"); 90 setResult(Activity.RESULT_OK, new Intent().putExtras(bundle)); 91 finish(); 92 return; 93 } 94 95 if (mAuthenticatorInfosToDisplay.size() == 1) { 96 setResultAndFinish(mAuthenticatorInfosToDisplay.get(0).desc.type); 97 return; 98 } 99 100 setContentView(R.layout.choose_account_type); 101 // Setup the list 102 ListView list = (ListView) findViewById(android.R.id.list); 103 // Use an existing ListAdapter that will map an array of strings to TextViews 104 list.setAdapter(new AccountArrayAdapter(this, 105 android.R.layout.simple_list_item_1, mAuthenticatorInfosToDisplay)); 106 list.setChoiceMode(ListView.CHOICE_MODE_NONE); 107 list.setTextFilterEnabled(false); 108 list.setOnItemClickListener(new AdapterView.OnItemClickListener() { 109 public void onItemClick(AdapterView<?> parent, View v, int position, long id) { 110 setResultAndFinish(mAuthenticatorInfosToDisplay.get(position).desc.type); 111 } 112 }); 113 } 114 115 private void setResultAndFinish(final String type) { 116 Bundle bundle = new Bundle(); 117 bundle.putString(AccountManager.KEY_ACCOUNT_TYPE, type); 118 setResult(Activity.RESULT_OK, new Intent().putExtras(bundle)); 119 if (Log.isLoggable(TAG, Log.VERBOSE)) { 120 Log.v(TAG, "ChooseAccountTypeActivity.setResultAndFinish: " 121 + "selected account type " + type); 122 } 123 finish(); 124 } 125 126 private void buildTypeToAuthDescriptionMap() { 127 for(AuthenticatorDescription desc : AccountManager.get(this).getAuthenticatorTypes()) { 128 String name = null; 129 Drawable icon = null; 130 try { 131 Context authContext = createPackageContext(desc.packageName, 0); 132 icon = authContext.getDrawable(desc.iconId); 133 final CharSequence sequence = authContext.getResources().getText(desc.labelId); 134 if (sequence != null) { 135 name = sequence.toString(); 136 } 137 name = sequence.toString(); 138 } catch (PackageManager.NameNotFoundException e) { 139 // Nothing we can do much here, just log 140 if (Log.isLoggable(TAG, Log.WARN)) { 141 Log.w(TAG, "No icon name for account type " + desc.type); 142 } 143 } catch (Resources.NotFoundException e) { 144 // Nothing we can do much here, just log 145 if (Log.isLoggable(TAG, Log.WARN)) { 146 Log.w(TAG, "No icon resource for account type " + desc.type); 147 } 148 } 149 AuthInfo authInfo = new AuthInfo(desc, name, icon); 150 mTypeToAuthenticatorInfo.put(desc.type, authInfo); 151 } 152 } 153 154 private static class AuthInfo { 155 final AuthenticatorDescription desc; 156 final String name; 157 final Drawable drawable; 158 159 AuthInfo(AuthenticatorDescription desc, String name, Drawable drawable) { 160 this.desc = desc; 161 this.name = name; 162 this.drawable = drawable; 163 } 164 } 165 166 private static class ViewHolder { 167 ImageView icon; 168 TextView text; 169 } 170 171 private static class AccountArrayAdapter extends ArrayAdapter<AuthInfo> { 172 private LayoutInflater mLayoutInflater; 173 private ArrayList<AuthInfo> mInfos; 174 175 public AccountArrayAdapter(Context context, int textViewResourceId, 176 ArrayList<AuthInfo> infos) { 177 super(context, textViewResourceId, infos); 178 mInfos = infos; 179 mLayoutInflater = (LayoutInflater) context.getSystemService( 180 Context.LAYOUT_INFLATER_SERVICE); 181 } 182 183 @Override 184 public View getView(int position, View convertView, ViewGroup parent) { 185 ViewHolder holder; 186 187 if (convertView == null) { 188 convertView = mLayoutInflater.inflate(R.layout.choose_account_row, null); 189 holder = new ViewHolder(); 190 holder.text = (TextView) convertView.findViewById(R.id.account_row_text); 191 holder.icon = (ImageView) convertView.findViewById(R.id.account_row_icon); 192 convertView.setTag(holder); 193 } else { 194 holder = (ViewHolder) convertView.getTag(); 195 } 196 197 holder.text.setText(mInfos.get(position).name); 198 holder.icon.setImageDrawable(mInfos.get(position).drawable); 199 200 return convertView; 201 } 202 } 203 } 204