MainActivity.java
package com.example.androidreadcontact;
import android.support.v7.app.ActionBarActivity;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends ActionBarActivity {
Button buttonReadContact;
TextView textPhone;
final int RQS_PICKCONTACT = 1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
buttonReadContact = (Button) findViewById(R.id.readcontact);
textPhone = (TextView) findViewById(R.id.phone);
buttonReadContact.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// Start activity to get contact
final Uri uriContact = ContactsContract.Contacts.CONTENT_URI;
Intent intentPickContact = new Intent(Intent.ACTION_PICK,
uriContact);
startActivityForResult(intentPickContact, RQS_PICKCONTACT);
}
});
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (resultCode == RESULT_OK) {
if (requestCode == RQS_PICKCONTACT) {
Uri returnUri = data.getData();
Cursor cursor = getContentResolver().query(returnUri, null,
null, null, null);
if (cursor.moveToNext()) {
int columnIndex_ID = cursor
.getColumnIndex(ContactsContract.Contacts._ID);
String contactID = cursor.getString(columnIndex_ID);
int columnIndex_HASPHONENUMBER = cursor
.getColumnIndex(ContactsContract.Contacts.HAS_PHONE_NUMBER);
String stringHasPhoneNumber = cursor
.getString(columnIndex_HASPHONENUMBER);
if (stringHasPhoneNumber.equalsIgnoreCase("1")) {
Cursor cursorNum = getContentResolver()
.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI,
null,
ContactsContract.CommonDataKinds.Phone.CONTACT_ID
+ "=" + contactID, null, null);
// Get the first phone number
if (cursorNum.moveToNext()) {
int columnIndex_number = cursorNum
.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER);
String stringNumber = cursorNum
.getString(columnIndex_number);
textPhone.setText(stringNumber);
}
} else {
textPhone.setText("NO Phone Number");
}
} else {
Toast.makeText(getApplicationContext(), "NO data!",
Toast.LENGTH_LONG).show();
}
}
}
}
}
/res/layout/activity_main.xml
<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"
android:orientation="vertical"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.androidreadcontact.MainActivity" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:autoLink="web"
android:text="http://android-er.blogspot.com/"
android:textStyle="bold" />
<Button
android:id="@+id/readcontact"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Read Contact" />
<TextView
android:id="@+id/phone"
android:layout_width="wrap_content"
android:layout_height="wrap_content" />
</LinearLayout>
Add permission of "android.permission.READ_CONTACTS" in AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.androidreadcontact"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="21" />
<uses-permission android:name="android.permission.READ_CONTACTS"/>
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".MainActivity"
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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