ContactAccessor5.java :  » Framework » jswaffle » com » kujirahand » jsWaffle » utils » Android Open Source

package com.kujirahand.jsWaffle.utils;

import java.lang.reflect.Field;
import java.util.HashMap;

import android.app.Activity;
import android.content.ContentResolver;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;

/*
import android.provider.ContactsContract.Contacts;
import android.provider.ContactsContract.CommonDataKinds;
import android.provider.ContactsContract.CommonDataKinds.Email;
*/

public class ContactAccessor5 extends ContactAccessor {
  // ref) Contact API -- http://kaotaro.blogspot.com/2010/07/android-tipscontacts-api.html
  // ref) Contact API -- http://www.coderanch.com/t/512048/Android/Mobile/Contact-API
  // ref) URI -- http://android.roof-balcony.com/shori/content-provider/getcontent/
  // ref) reflection -- http://www.ne.jp/asahi/hishidama/home/tech/java/reflection.html#h2_field
  // ref) http://www.electrodream.jp/iphonedev/index.php/2010/04/%E7%9D%80%E4%BF%A1%E9%9F%B3%E3%82%A2%E3%83%97%E3%83%AA%E3%80%81%E7%B0%A1%E5%8D%98%E3%81%A8%E3%81%AF%E3%81%84%E3%81%88%E3%82%84%E3%81%AF%E3%82%8A%E3%81%84%E3%82%8D%E3%81%84%E3%82%8D%E3%81%82%E3%82%8B/
  
  @SuppressWarnings("unchecked")
  Class _ContactsContract;
  @SuppressWarnings("unchecked")
  Class _ContactsContract_Contacts;
  @SuppressWarnings("unchecked")
  Class _CommonDataKinds_Email;
  @SuppressWarnings("unchecked")
  Class _CommonDataKinds_Phone;
  
  final static String ContactsContact = "android.provider.ContactsContract";
  final static String ContactsContract_Contacts = "android.provider.ContactsContract$Contacts";
  final static String ContactsContract_CommonDataKinds = "android.provider.ContactsContract$CommonDataKinds";
  
  public ContactAccessor5() {
    _ContactsContract = c(ContactsContact);
    _ContactsContract_Contacts = c(ContactsContract_Contacts);
    _CommonDataKinds_Email = c(ContactsContract_CommonDataKinds + "$Email");
    _CommonDataKinds_Phone = c(ContactsContract_CommonDataKinds + "$Phone");
  }
  
  @SuppressWarnings("unchecked")
  public Class c(String className) {
    try {
      return Class.forName(className);
    } catch (Exception e) {
      return null;
    }
  }
  
  @SuppressWarnings("unchecked")
  public Uri getFieldUri(Class klass, String field) {
    if (klass == null) return null;
    try {
      Field f = klass.getField(field);
      if (f == null) return null;
      return (Uri)f.get(null);
    } catch (Exception e) {
      return null;
    }
  }
  
  @SuppressWarnings("unchecked")
  public String getFieldStr(Class klass, String field) {
    if (klass == null) return null;
    try {
      Field f = klass.getField(field);
      if (f == null) return null;
      return (String)f.get(null);
    } catch (Exception e) {
      return null;
    }
  }
  
  @Override  
    public Intent getContactPickerIntent() {  
    Uri uri = getFieldUri(_ContactsContract_Contacts, "CONTENT_URI");
        return new Intent(Intent.ACTION_PICK, uri);  
    }

  @Override
  public HashMap<String, String> getContactData(Activity a, Intent data) {
    HashMap<String, String> result = new HashMap<String, String>();
    Cursor c = null;
    String id = "";
    String name = "";
    String email = "";
    String number = "";
    try {
      ContentResolver cr = a.getContentResolver();
      c = a.managedQuery(data.getData(),null, null, null, null);
      if (c.moveToFirst()) {
        id = c.getString(c.getColumnIndexOrThrow(
            getFieldStr(_ContactsContract_Contacts, "_ID"))); 
      }
      if (c.moveToFirst()) {
        name = c.getString(c.getColumnIndexOrThrow(
            getFieldStr(_ContactsContract_Contacts, "DISPLAY_NAME")));
      }
      if (c.moveToFirst()) {
        number = c.getString(c.getColumnIndexOrThrow(
            getFieldStr(_ContactsContract_Contacts, "DISPLAY_NAME")));
      }
      // --- email
      Uri cu = getFieldUri(_CommonDataKinds_Email, "CONTENT_URI");
      String ci = getFieldStr(_CommonDataKinds_Email, "CONTACT_ID");
      c = cr.query(
          cu, null, ci + " = ?",
          new String[] { id }, null);
      while (c.moveToNext()) {
        int emailIndex = c.getColumnIndex(getFieldStr(_CommonDataKinds_Email, "DATA"));
        String s = c.getString(emailIndex);
        if (email != "") email += ",";
        email += s;
      }
      // --- phone number
      cu = getFieldUri(_CommonDataKinds_Phone, "CONTENT_URI");
      ci = getFieldStr(_CommonDataKinds_Phone, "CONTACT_ID");
      c = cr.query(
          cu, null, ci + " = ?",
          new String[] { id }, null);
      if (c.moveToFirst()) {
        int phoneIndex = c.getColumnIndex(getFieldStr(_CommonDataKinds_Phone, "DATA"));
        number = c.getString(phoneIndex);
      }
    } finally {
      if (c != null) c.close();
    }
    result.put("name", name);
    result.put("email", email);
    result.put("number", number);
    return result;
  }  
}