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 How to get phone number Android 10  Programmatically in android studio

Assalam o alaikom

How are you guys.

Dear developers. using this code you can show sim card number. when you put in your own phone. I am sharing you image of this functionality. How it will be show your own contacts number. okay.

build.Gradle Library in App 

dependencies {

    implementation fileTree(dir: 'libs', include: ['*.jar'])

    implementation 'androidx.appcompat:appcompat:1.3.0'

    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'

    implementation 'com.google.android.gms:play-services-auth:19.0.0'

}

library sync your project and Implement this code.

public class MainActivity extends AppCompatActivity {


String str_PhoneNumber;
Button btn_contactNumber;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
btn_contactNumber = findViewById(R.id.id_contactNumber);
btn_contactNumber.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {

        GoogleApiClient mGoogleApiClient = new GoogleApiClient.Builder(LTESignalDetection_ActivityRecordNew.this)
                .addConnectionCallbacks(LTESignalDetection_ActivityRecordNew.this)
                .addOnConnectionFailedListener(LTESignalDetection_ActivityRecordNew.this)
                .addApi(Auth.CREDENTIALS_API)
                .build();

        if (mGoogleApiClient != null) {
            mGoogleApiClient.connect();
        }

        HintRequest hintRequest = new HintRequest.Builder()
                .setPhoneNumberIdentifierSupported(true)
                .build();

        PendingIntent intent = Auth.CredentialsApi.getHintPickerIntent(mGoogleApiClient, hintRequest);
        try {
            startIntentSenderForResult(intent.getIntentSender(), 1008, null, 0, 0, 0, null);
        } catch (IntentSender.SendIntentException e) {
            Log.e("", "Could not start hint picker Intent", e);
        }

    }
});
}

@Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);

        switch (requestCode) {
            case 1008:
                if (resultCode == RESULT_OK) {
                    Credential cred = data.getParcelableExtra(Credential.EXTRA_KEY);
//                    cred.getId====: ====+919*******
                    Log.e("anees", cred.getId());
                    str_PhoneNumber = cred.getId();


                } else {
                    // Sim Card not found!
                    Log.e("cred.getId", "1008 else");

                    return;
                }


                break;
        }
    }
}

XML file

main_activity

<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/colorActivityBackground"
    tools:context=".LTESignalDetection_ActivityRecordNew">

<Button
    android:id="@+id/id_contactNumber"
    android:layout_width="190dp"
    android:layout_height="wrap_content"
    android:layout_marginBottom="100dp"
    android:background="@drawable/new_recording_button_background"
    android:layout_gravity="center"
    android:drawablePadding="5dp"
    android:text="My Phone Number"
    android:layout_marginTop="7dp"/>
</RelativeLayout>
Enjoy!!!