Android Open Source - SendContact Content Accessor

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From Project

Back to project page SendContact.

License

The source code is released under:

MIT License

Java Source Code

package org.pravin.android.sendcontact;
//from   ww w  .  j  av a  2  s  .  c om
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;

import android.content.ContentResolver;
import android.content.Intent;
import android.content.res.AssetFileDescriptor;
import android.database.Cursor;
import android.net.Uri;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.provider.ContactsContract.Contacts;

public class ContentAccessor {

  public Intent getPickContactIntent(){
    return new Intent(Intent.ACTION_PICK,Contacts.CONTENT_URI);
  }

  public ContactInfo loadContact(ContentResolver contentResolver, Uri uri) {
    // try loading the name
    // if not found, return blank contact
    // if found, try loading the phone
    // if not found, return blank contact
    // else return both
    ContactInfo cinfo = new ContactInfo();
    loadName(contentResolver, uri,cinfo);
    if(cinfo.getId() != -1){
      loadPhoneNumber(contentResolver,uri,cinfo);
    }
    return cinfo;
  }

  public ContactInfo loadContactFromVCard(ContentResolver contentResolver, Uri uri) {
    ContactInfo cinfo = new ContactInfo();
    try {
      AssetFileDescriptor afd = contentResolver.openAssetFileDescriptor(uri, "r");
      FileInputStream fi = afd.createInputStream();
      byte[] buffer = new byte[(int) afd.getLength()];
      fi.read(buffer);
      
      String s = new String(buffer);
      // http://en.wikipedia.org/wiki/VCard  
      // http://tools.ietf.org/html/rfc2425 
      // http://tools.ietf.org/html/rfc2426
      // very basic vcard parser
      // ~ each line is terminated by "\r\n".
      // somtimes long lines may have "\r\n " or "\r\n\t"
      // to support wrap around. a sound solution
      // needs to eventually take care of this for a full-blown
      // vcard processor.
      String lines[] = s.split("\r\n", -1);
      
      // Since RFC says that FN (Full Name) and TEL MUST
      // exist, assume the Android devices implement it!
      // no need to parse through the entire vcard.
      // loop till the first FN and TEL are found.
      for (int i = 0; 
          (i < lines.length) && 
          ((cinfo.getName() == null) || 
          (cinfo.getPhoneNumber() == null)); i++) {
        // records consist of key value pairs separated by :
        // additionally, the keys can have params separated
        // by ;
        // even if a pattern is not found, split will 
        // return the entire string, so no need to check for null?
        String tokens[] = lines[i].split(":", -1);
        String params[] = tokens[0].split(";", -1);
        if (params[0].equals("FN")) {
          cinfo.setName(tokens[1]);
        }
        else if (params[0].equals("TEL")) {
          cinfo.setPhoneNumber(tokens[1]);
        }
      }
      
    } catch (FileNotFoundException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
    }
    
    return cinfo;
  }


  private void loadName(ContentResolver contentResolver, Uri uri,
      ContactInfo cinfo) {
    Cursor csr = contentResolver.query(uri, new String[]{Contacts._ID,Contacts.DISPLAY_NAME}, null, null, null);
    try{
      if(csr.moveToFirst()){
        cinfo.setId(csr.getLong(0));
        cinfo.setName(csr.getString(1));
      }
    }
    finally{
      csr.close();
    }
  }
  private void loadPhoneNumber(ContentResolver contentResolver, Uri uri,
      ContactInfo cinfo) {
    Cursor csr = contentResolver.query(Phone.CONTENT_URI, new String[]{Phone.NUMBER}, Phone.CONTACT_ID + "=" + cinfo.getId(), null, Phone.IS_SUPER_PRIMARY + " DESC");
    try{
      if(csr.moveToFirst()){
        cinfo.setPhoneNumber(csr.getString(0));
      }
    }
    finally{
      csr.close();
    }
  }

}

Java Source Code List

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