Android Open Source - android_tutorial_projects Main Activity

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License

The source code is released under:

Copyright (c) 2013, Uthcode All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redi...

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Java Source Code

package com.uthcode.simplecursoradapter;
//from   w w  w.  j a v  a  2s.c o  m
import android.app.ListActivity;
import android.database.Cursor;
import android.net.Uri;
import android.provider.ContactsContract;
import android.support.v7.app.ActionBarActivity;
import android.support.v7.app.ActionBar;
import android.support.v4.app.Fragment;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.os.Build;
import android.widget.ListAdapter;
import android.widget.SimpleCursorAdapter;

public class MainActivity extends ListActivity {

    public interface Constants {
        String LOG = "com.uthcode.simplecursoradapter";
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Cursor mCursor = getContacts();
        startManagingCursor(mCursor);

        if (BuildConfig.DEBUG) {
            Log.e(Constants.LOG,  " onCreate Called.");
        }

        ListAdapter adapter = new SimpleCursorAdapter(this,
                android.R.layout.two_line_list_item,
                mCursor,
                new String[] {ContactsContract.Contacts._ID, ContactsContract.Contacts.DISPLAY_NAME },
                new int[] {android.R.id.text1, android.R.id.text2 }
        );
        setListAdapter(adapter);
    }

    private Cursor getContacts() {
        Uri uri = ContactsContract.Contacts.CONTENT_URI;
        String[] projection = new String[] {ContactsContract.Contacts._ID, ContactsContract.Contacts.DISPLAY_NAME};
        String selection = ContactsContract.Contacts.IN_VISIBLE_GROUP + " = '" + ("1") + "'";
        String[] selectionArgs = null;
        String sortOrder = ContactsContract.Contacts.DISPLAY_NAME + " COLLATE LOCALIZED ASC";
        return managedQuery(uri, projection, selection, selectionArgs, sortOrder);

    }

}

Java Source Code List