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| import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.ContentResolver;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.SimpleAdapter;
import android.widget.Toast;
public class WhatsAppContacts extends Activity {
private ArrayList<Map<String, String>> contacts;
private ListView contactsListView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_whats_app_contacts);
contactsListView = (ListView) findViewById(R.id.listWhatsAppContacts);
// Create a progress bar to display while the list loads
ProgressBar progressBar = new ProgressBar(this);
progressBar.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT,
LayoutParams.WRAP_CONTENT));
progressBar.setIndeterminate(true);
contactsListView.setEmptyView(progressBar);
// Must add the progress bar to the root of the layout
ViewGroup root = (ViewGroup) findViewById(android.R.id.content);
root.addView(progressBar);
String[] from = { "name" , "number" };
int[] to = { R.id.txtName, R.id.txtNumber };
contacts = fetchWhatsAppContacts();
SimpleAdapter adapter = new SimpleAdapter(this, contacts, R.layout.whatsapp_list_item, from, to);
contactsListView.setAdapter(adapter);
contactsListView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
try{
Uri uri = Uri.parse("smsto:"+ contacts.get(arg2).get("number").toString());
Intent i = new Intent(Intent.ACTION_SENDTO, uri);
i.setPackage("com.whatsapp");
startActivity(i);
}catch (ActivityNotFoundException e) {
Toast.makeText(getApplicationContext(), "no whatsapp!", Toast.LENGTH_SHORT).show();
Log.e("Intent", e.getMessage());
}
}
});
}
private HashMap<String, String> putData(String name, String number) {
HashMap<String, String> item = new HashMap<String, String>();
item.put("name", name);
item.put("number", number);
return item;
}
private ArrayList<Map<String, String>> fetchWhatsAppContacts(){
ArrayList<Map<String, String>> list = new ArrayList<Map<String,String>>();
final String[] projection={
ContactsContract.Data.CONTACT_ID,
ContactsContract.Data.MIMETYPE,
"account_type",
ContactsContract.Data.DATA3,
};
final String selection= ContactsContract.Data.MIMETYPE+" =? and account_type=?";
final String[] selectionArgs = {
"vnd.android.cursor.item/vnd.com.whatsapp.profile",
"com.whatsapp"
};
ContentResolver cr = getContentResolver();
Cursor c = cr.query(
ContactsContract.Data.CONTENT_URI,
projection,
selection,
selectionArgs,
null);
while(c.moveToNext()){
String id=c.getString(c.getColumnIndex(ContactsContract.Data.CONTACT_ID));
String number=c.getString(c.getColumnIndex(ContactsContract.Data.DATA3));
String name="";
Cursor mCursor=getContentResolver().query(
ContactsContract.Contacts.CONTENT_URI,
new String[]{ContactsContract.Contacts.DISPLAY_NAME},
ContactsContract.Contacts._ID+" =?",
new String[]{id},
null);
while(mCursor.moveToNext()){
name=mCursor.getString(mCursor.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
}
mCursor.close();
list.add(putData(name, number));
}
Log.v("WhatsApp", "Total WhatsApp Contacts: "+c.getCount());
c.close();
return list;
}
}
|
