

- Trending Categories
Data Structure
Networking
RDBMS
Operating System
Java
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
How to obtain the phone number of the android phone programmatically?
This example demonstrates how do I obtain the phone number of the android phone programmatically.
Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.
Step 2 − Add the following code to res/layout/activity_main.xml.
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout 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"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/textView" android:layout_centerInParent="true" android:textSize="24sp" android:textStyle="bold"/> </RelativeLayout>
Step 3 − Add the following code to src/MainActivity.java
import android.Manifest; import android.content.Context; import android.content.pm.PackageManager; import android.support.annotation.NonNull; import android.support.v4.app.ActivityCompat; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.telephony.TelephonyManager; import android.widget.TextView; import android.widget.Toast; public class MainActivity extends AppCompatActivity { TextView textView; private static final int REQUEST_CODE = 101; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); textView = findViewById(R.id.textView); TelephonyManager telephonyManager = (TelephonyManager)getSystemService(Context.TELEPHONY_SERVICE); if (ActivityCompat.checkSelfPermission(this, Manifest.permission.READ_SMS) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.READ_PHONE_NUMBERS) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.READ_PHONE_STATE) != PackageManager.PERMISSION_GRANTED) { ActivityCompat.requestPermissions(this, new String[] {Manifest.permission.READ_PHONE_STATE}, REQUEST_CODE); } textView.setText(telephonyManager.getLine1Number()); } @Override public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults){ switch (requestCode) { case REQUEST_CODE: { if(grantResults[0] == PackageManager.PERMISSION_GRANTED){ Toast.makeText(this, "Permission Granted",Toast.LENGTH_SHORT).show(); } else { Toast.makeText(this, "Permission Denied",Toast.LENGTH_SHORT).show(); } } } } }
Step 4 - Add the following code to androidManifest.xml
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="app.com.sample"> <uses-permission android:name="android.permission.READ_PHONE_STATE"/> <application android:allowBackup="true" android:icon="@mipmap/ic_launcher" android:label="@string/app_name" android:roundIcon="@mipmap/ic_launcher_round" android:supportsRtl="true" android:theme="@style/AppTheme"> <activity android:name=".MainActivity"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application> </manifest>
Let's try to run your application. I assume you have connected your actual Android Mobile device with your computer. To run the app from android studio, open one of your project's activity files and click Run icon from the toolbar. Select your mobile device as an option and then check your mobile device which will display your default screen –
Click here to download the project code.
- Related Questions & Answers
- How to obtain the phone number of the Android phone programmatically using Kotlin?
- How to obtain the phone number of the iOS phone programmatically?
- How to check Android Phone Model programmatically?
- How to check Android Phone Model programmatically using Kotlin?
- How to get phone number in android?
- How to get default phone number in android?
- How to get phone number from content provider in android?
- How do I get the dialer to open with phone number displayed in Android?
- Essential – An Amazing Phone From the Creator of Android
- How to get default phone IMEI in android?
- How to get default phone MmsUserAgent in android?
- How to detect device is Android phone or Android tablet?
- Ways To Speed Up Your Android Phone
- How do I get the dialer to open with the phone number displayed in Android using Kotlin?
- What is the best app in android phone to scan the documents?