Read phonebook contacts using content providers and display in list.

ReadContactActivity.java
package com.app.contact;
import java.util.ArrayList;
import android.app.Activity;
import android.content.ContentResolver;
import android.database.Cursor;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;
public class ReadContactActivity extends Activity {
ArrayList<String> alist=new ArrayList<String>();
ListView lv;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
ContentResolver cr = getContentResolver();
Cursor cur = cr.query(ContactsContract.Contacts.CONTENT_URI,
null, null, null, null);
if (cur.getCount() > 0) {
while (cur.moveToNext()) {
String id =
cur.getString(cur.getColumnIndex(ContactsContract.Contacts._ID));
String name =
cur.getString(cur.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
if (Integer.parseInt(cur.getString(
cur.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER))) > 0) {
Cursor pCur = cr.query(
ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
null,
ContactsContract.CommonDataKinds.Phone.CONTACT_ID +" = ?",
new String[]{id}, null);
while (pCur.moveToNext()) {
String phoneNo =
pCur.getString(pCur.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUM
BER));
alist.add("Name: " + name + "\nPhone No: " +
phoneNo);
}
pCur.close();
}
}
}
lv=(ListView)findViewById(R.id.listView1);
ArrayAdapter<String> adt=new
ArrayAdapter<String>(this,android.R.layout.simple_list_item_1,alist);
lv.setAdapter(adt);
}
}

---

Main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<ListView android:id="@+id/listView1"
android:layout_height="wrap_content"
android:layout_width="match_parent"></ListView>
</LinearLayout>

---

AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.app.contact"
android:versionCode="1"
android:versionName="1.0">
<uses-sdk android:minSdkVersion="8" />
<uses-permission android:name="android.permission.READ_CONTACTS"></usespermission>
<application android:icon="@drawable/icon"
android:label="@string/app_name">
<activity android:name=".ReadContactActivity"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>

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Output

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To download follow this Link : ReadContact.zip