Get My Phone Number in Android

Programmatically obtain the phone number of the Android phone

Code:

TelephonyManager tMgr = (TelephonyManager)mAppContext.getSystemService(Context.TELEPHONY_SERVICE);
String mPhoneNumber = tMgr.getLine1Number();

Required Permission:

<uses-permission android:name="android.permission.READ_PHONE_STATE"/> 

Caveats:

According to the highly upvoted comments, there are a few caveats to be aware of. This can return null or "" or even "???????", and it can return a stale phone number that is no longer valid. If you want something that uniquely identifies the device, you should use getDeviceId() instead.

Get my phone number in android

From the documentation:

Returns the phone number string for line 1, for example, the MSISDN for a GSM phone. Return null if it is unavailable.

So you have done everything right, but there is no phone number stored.

If you get null, you could display something to get the user to input the phone number on his/her own.

How to get the mobile number of my device programmatically?

Nowadays the TelephonyManager does not help us. Play Services API without permission is good solution for this.

This dependency is useful for this

 implementation 'com.google.android.gms:play-services-auth:16.0.1'

Now inside your Activity.java:

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

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

After this do request for Phone Number:

 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);
        }

Now you need to handle response in your onActivityResult like this:

    @Override
    public void onActivityResult(int requestCode, int resultCode, @Nullable 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("cred.getId", cred.getId());
                    userMob = cred.getId();

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

                    return;
                }

                break;
        }
    }

How to get phone number or sim card information use android studio?

There is no reliable way to get the phone number from the SIM card. The TelephonyManager reads the phone number from SIM card but its upto the Telecom operators to add this information in the SIM card.

Most of the Telecom operators don't add this information in SIM card hence its not reliable enough.

There is a way to use Google-Play-Service to get the phone number, but it also doesn't gurantee 100% to return the phone number. You can do it as follows.

Add following dependencies in build.gradle:

dependencies {
    ...
    compile 'com.google.android.gms:play-services:11.6.0'
    compile 'com.google.android.gms:play-services-auth:11.6.0'
}

Create two constants in MainActivity.java:

private static final int PHONE_NUMBER_HINT = 100;
private final int PERMISSION_REQ_CODE = 200;

In onclick of your Button add following:

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

try {
  final GoogleApiClient googleApiClient =
    new GoogleApiClient.Builder(MainActivity.this).addApi(Auth.CREDENTIALS_API).build();

  final PendingIntent pendingIntent =
    Auth.CredentialsApi.getHintPickerIntent(googleApiClient, hintRequest);

  startIntentSenderForResult(
    pendingIntent.getIntentSender(),
    PHONE_NUMBER_HINT,
    null,
    0,
    0,
    0
  );
} catch (Exception e) {
    e.printStackTrace();
}

Add onActivityResult

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    if (requestCode == PHONE_NUMBER_HINT && resultCode == RESULT_OK) {
        Credential credential = data.getParcelableExtra(Credential.EXTRA_KEY);
        final String phoneNumber = credential.getId();
    }
}

How to get phone number from contact in android

Thanks for @Levon Petrosyan

But I just need to add the part from his link and copy it to my function.

This is the working code:

@Override
public void onActivityResult(int reqCode, int resultCode, Intent data){
    super.onActivityResult(reqCode, resultCode, data);

    if(reqCode == this.pickContact){
        if (resultCode == Activity.RESULT_OK) {
            Log.d("ContactsH", "ResOK");
            Uri contactData = data.getData();
            Cursor contact =  getContentResolver().query(contactData, null, null, null, null);

            if (contact.moveToFirst()) {
                String name = contact.getString(contact.getColumnIndex(ContactsContract.Contacts.DISPLAY_NAME));
                // TODO Whatever you want to do with the selected contact's name.

                ContentResolver cr = getContentResolver();
                Cursor cursor = cr.query(ContactsContract.Contacts.CONTENT_URI, null,
                        "DISPLAY_NAME = '" + name + "'", null, null);
                if (cursor.moveToFirst()) {
                    String contactId =
                            cursor.getString(cursor.getColumnIndex(ContactsContract.Contacts._ID));
                    //
                    //  Get all phone numbers.
                    //
                    Cursor phones = cr.query(ContactsContract.CommonDataKinds.Phone.CONTENT_URI, null,
                            ContactsContract.CommonDataKinds.Phone.CONTACT_ID + " = " + contactId, null, null);
                    while (phones.moveToNext()) {
                        String number = phones.getString(phones.getColumnIndex(ContactsContract.CommonDataKinds.Phone.NUMBER));
                        int type = phones.getInt(phones.getColumnIndex(ContactsContract.CommonDataKinds.Phone.TYPE));
                        switch (type) {
                            case ContactsContract.CommonDataKinds.Phone.TYPE_HOME:
                                // do something with the Home number here...
                                break;
                            case ContactsContract.CommonDataKinds.Phone.TYPE_MOBILE:
                                // do something with the Mobile number here...
                                Log.d("ContactsH", number);
                                this.callByNumber(number);
                                break;
                            case ContactsContract.CommonDataKinds.Phone.TYPE_WORK:
                                // do something with the Work number here...
                                break;
                        }
                    }
                    phones.close();
                }
                cursor.close();
            }
        }
    }else{
        Log.d("ContactsH", "Canceled");
    }
}

Get phonenumber programmatically - Android

The method you are using is the only one part of the SDK to do this, and only works on devices where the number is stored on the SIM card, which only some carriers do. For all other carriers, you will have to ask the user to enter the phone number manually, as the number is simply not stored anywhere on the device from where you can retrieve it.

Get phone number of the current phone

getLine1Number() is not guaranteed to return a phone number. It only works if the SIM card in your device has the number stored on it.

You can check if it does by going to Settings -> About -> Status and seeing if the phone number is available there. If it isn't, then your carrier doesn't keep the number on the SIM card

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