Android获取联系人

package com.fyfeng.test;

import android.content.ContentResolver;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;

public class MainActivity extends ActionBarActivity {
	private static final String tag = MainActivity.class.getSimpleName();

	private Context mContext;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		this.mContext = this.getApplicationContext();

		test();

	}

	private void test() {

		this.getContacts();
		this.getSimContact("content://icc/adn");
		this.getSimContact("content://sim/adn");
	}

	private void getContacts() {
		ContentResolver resolver = mContext.getContentResolver();
		Cursor cursor = null;

		try {
			cursor = resolver.query(Phone.CONTENT_URI, null, null, null, null);

			if (cursor != null && cursor.moveToFirst()) {

				int index_displayName = cursor.getColumnIndex(Phone.DISPLAY_NAME);
				int index_phoneNumber = cursor.getColumnIndex(Phone.NUMBER);

				do {
					String displayName = cursor.getString(index_displayName);
					String phoneNumber = cursor.getString(index_phoneNumber);

					Log.d(tag, "phoneNumber = " + phoneNumber + ", displayName = " + displayName);

				} while (cursor.moveToNext());

			}

		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			if (null != cursor) {
				cursor.close();
			}
		}
	}

	/**
	 * 读取SIM卡手机号,有两种可能:content://icc/adn与content://sim/adn
	 * 
	 * @param uriString
	 */
	private void getSimContact(String uriString) {
		//

		Cursor cursor = null;

		try {

			Uri uri = Uri.parse(uriString);

			cursor = getContentResolver().query(uri, null, null, null, null);

			if (cursor != null && cursor.moveToFirst()) {

				int index_name = cursor.getColumnIndex("name");
				int index_number = cursor.getColumnIndex("number");

				do {

					String name = cursor.getString(index_name);
					String number = cursor.getString(index_number);

					Log.d(tag, "number = " + number + ", name = " + name);
				} while (cursor.moveToNext());

			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			if (null != cursor) {
				cursor.close();
			}
		}

	}

}