Modify layout to have a ListView.
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity"
android:orientation="vertical">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/hello_world" />
<ListView
android:id="@+id/conactlist"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
</LinearLayout>
package com.example.androidquerycontacts;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.support.v4.content.CursorLoader;
import android.support.v4.widget.CursorAdapter;
import android.support.v4.widget.SimpleCursorAdapter;
import android.app.Activity;
import android.database.Cursor;
import android.widget.ListAdapter;
import android.widget.ListView;
public class MainActivity extends Activity {
ListView listContacts;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
listContacts = (ListView)findViewById(R.id.conactlist);
Uri queryUri = ContactsContract.Contacts.CONTENT_URI;
String[] projection = new String[] {
ContactsContract.Contacts._ID,
ContactsContract.Contacts.DISPLAY_NAME};
String selection = ContactsContract.Contacts.DISPLAY_NAME + " IS NOT NULL";
CursorLoader cursorLoader = new CursorLoader(
this,
queryUri,
projection,
selection,
null,
null);
Cursor cursor = cursorLoader.loadInBackground();
String[] from = {ContactsContract.Contacts.DISPLAY_NAME};
int[] to = {android.R.id.text1};
ListAdapter adapter = new SimpleCursorAdapter(
this,
android.R.layout.simple_list_item_1,
cursor,
from,
to,
CursorAdapter.FLAG_REGISTER_CONTENT_OBSERVER);
listContacts.setAdapter(adapter);
}
}
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Compare with:
- List images in MediaStore.Images.Media
Next:
- Handle Item Click on Query Contacts database ListView
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