/* * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.fsck.k9; import android.content.ContentResolver; import android.content.Context; import android.os.Build; import android.widget.ResourceCursorAdapter; public abstract class EmailAddressAdapter extends ResourceCursorAdapter { private static EmailAddressAdapter sInstance; private static Context sContext; public static EmailAddressAdapter getInstance(Context context) { if (sInstance == null) { String className; sContext = context; /* * Check the version of the SDK we are running on. Choose an * implementation class designed for that version of the SDK. */ @SuppressWarnings("deprecation") int sdkVersion = Integer.parseInt(Build.VERSION.SDK); // Cupcake style if (sdkVersion < Build.VERSION_CODES.ECLAIR) { className = "com.fsck.k9.EmailAddressAdapterSdk3_4"; } else { className = "com.fsck.k9.EmailAddressAdapterSdk5"; } /* * Find the required class by name and instantiate it. */ try { Class clazz = Class.forName(className).asSubclass(EmailAddressAdapter.class); sInstance = clazz.newInstance(); } catch (Exception e) { throw new IllegalStateException(e); } } return sInstance; } public static Context getContext() { return sContext; } protected ContentResolver mContentResolver; public EmailAddressAdapter() { super(getContext(), R.layout.recipient_dropdown_item, null); mContentResolver = getContext().getContentResolver(); } }