Java tutorial
/* * Copyright (C) 2011 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.DGSD.Teexter.UI.Recipient; import java.util.HashMap; import android.content.Context; import android.database.Cursor; import android.graphics.BitmapFactory; import android.net.Uri; import android.provider.ContactsContract.CommonDataKinds.Email; import android.provider.ContactsContract.CommonDataKinds.Phone; import android.provider.ContactsContract.Contacts; import android.support.v4.widget.CursorAdapter; import android.text.util.Rfc822Token; import android.text.util.Rfc822Tokenizer; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ImageView; import android.widget.TextView; import com.DGSD.Teexter.UI.Recipient.BaseRecipientAdapter.EmailQuery; public class RecipientAlternatesAdapter extends CursorAdapter { static final int MAX_LOOKUPS = 50; private final LayoutInflater mLayoutInflater; private final int mLayoutId; private final long mCurrentId; private int mCheckedItemPosition = -1; private OnCheckedItemChangedListener mCheckedItemChangedListener; private static final String TAG = "RecipAlternates"; /** * Get a HashMap of address to RecipientEntry that contains all contact * information for a contact with the provided address, if one exists. This * may block the UI, so run it in an async task. * * @param context * Context. * @param inAddresses * Array of addresses on which to perform the lookup. * @return HashMap<String,RecipientEntry> */ public static HashMap<String, RecipientEntry> getMatchingRecipients(Context context, String[] inAddresses) { int addressesSize = Math.min(MAX_LOOKUPS, inAddresses.length); String[] addresses = new String[addressesSize]; StringBuilder bindString = new StringBuilder(); // Create the "?" string and set up arguments. for (int i = 0; i < addressesSize; i++) { Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(inAddresses[i].toLowerCase()); addresses[i] = (tokens.length > 0 ? tokens[0].getAddress() : inAddresses[i]); bindString.append("?"); if (i < addressesSize - 1) { bindString.append(","); } } if (Log.isLoggable(TAG, Log.DEBUG)) { Log.d(TAG, "Doing reverse lookup for " + addresses.toString()); } HashMap<String, RecipientEntry> recipientEntries = new HashMap<String, RecipientEntry>(); Cursor c = context.getContentResolver().query(Phone.CONTENT_URI, EmailQuery.PROJECTION, Email.ADDRESS + " IN (" + bindString.toString() + ")", addresses, null); if (c != null) { try { if (c.moveToFirst()) { do { String address = c.getString(EmailQuery.ADDRESS); recipientEntries.put(address, RecipientEntry.constructTopLevelEntry(c.getString(EmailQuery.NAME), c.getString(EmailQuery.ADDRESS), c.getInt(EmailQuery.ADDRESS_TYPE), c.getString(EmailQuery.ADDRESS_LABEL), c.getLong(EmailQuery.CONTACT_ID), c.getLong(EmailQuery.DATA_ID), c.getString(EmailQuery.PHOTO_THUMBNAIL_URI))); if (Log.isLoggable(TAG, Log.DEBUG)) { Log.d(TAG, "Received reverse look up information for " + address + " RESULTS: " + " NAME : " + c.getString(EmailQuery.NAME) + " CONTACT ID : " + c.getLong(EmailQuery.CONTACT_ID) + " ADDRESS :" + c.getString(EmailQuery.ADDRESS)); } } while (c.moveToNext()); } } finally { c.close(); } } return recipientEntries; } public RecipientAlternatesAdapter(Context context, long contactId, long currentId, int viewId, OnCheckedItemChangedListener listener) { super(context, context.getContentResolver().query(Phone.CONTENT_URI, EmailQuery.PROJECTION, Email.CONTACT_ID + " =?", new String[] { String.valueOf(contactId) }, null), 0); mLayoutInflater = LayoutInflater.from(context); mLayoutId = viewId; mCurrentId = currentId; mCheckedItemChangedListener = listener; } @Override public long getItemId(int position) { Cursor c = getCursor(); if (c.moveToPosition(position)) { c.getLong(EmailQuery.DATA_ID); } return -1; } public RecipientEntry getRecipientEntry(int position) { Cursor c = getCursor(); c.moveToPosition(position); return RecipientEntry.constructTopLevelEntry(c.getString(EmailQuery.NAME), c.getString(EmailQuery.ADDRESS), c.getInt(EmailQuery.ADDRESS_TYPE), c.getString(EmailQuery.ADDRESS_LABEL), c.getLong(EmailQuery.CONTACT_ID), c.getLong(EmailQuery.DATA_ID), c.getString(EmailQuery.PHOTO_THUMBNAIL_URI)); } @Override public View getView(int position, View convertView, ViewGroup parent) { Cursor cursor = getCursor(); cursor.moveToPosition(position); if (convertView == null) { convertView = newView(); } if (cursor.getLong(EmailQuery.DATA_ID) == mCurrentId) { mCheckedItemPosition = position; if (mCheckedItemChangedListener != null) { mCheckedItemChangedListener.onCheckedItemChanged(mCheckedItemPosition); } } bindView(convertView, convertView.getContext(), cursor); return convertView; } // TODO: this is VERY similar to the BaseRecipientAdapter. Can we combine // somehow? @Override public void bindView(View view, Context context, Cursor cursor) { int position = cursor.getPosition(); TextView display = (TextView) view.findViewById(android.R.id.title); ImageView imageView = (ImageView) view.findViewById(android.R.id.icon); RecipientEntry entry = getRecipientEntry(position); if (position == 0) { display.setText(cursor.getString(EmailQuery.NAME)); display.setVisibility(View.VISIBLE); imageView.setImageURI(entry.getPhotoThumbnailUri()); imageView.setVisibility(View.VISIBLE); } else { display.setVisibility(View.GONE); imageView.setVisibility(View.GONE); } TextView destination = (TextView) view.findViewById(android.R.id.text1); destination.setText(cursor.getString(EmailQuery.ADDRESS)); TextView destinationType = (TextView) view.findViewById(android.R.id.text2); if (destinationType != null) { destinationType .setText(Email.getTypeLabel(context.getResources(), cursor.getInt(EmailQuery.ADDRESS_TYPE), cursor.getString(EmailQuery.ADDRESS_LABEL)).toString().toUpperCase()); } } @Override public View newView(Context context, Cursor cursor, ViewGroup parent) { return newView(); } private View newView() { return mLayoutInflater.inflate(mLayoutId, null); } /* package */static interface OnCheckedItemChangedListener { public void onCheckedItemChanged(int position); } }