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W1ll
Asked: 2020-05-01 18:35:29 +0800 CST 2020-05-01 18:35:29 +0800 CST

Conflict between permission to read gps and phone number

  • 772

I have a conflict that causes my device to hang when I put both read gps and phone number permissions in a single activity, but when I test the permissions in two different activities everything works fine.

Here is part of the permissions in the manifest:

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

Here the MainActivity:

public class MainActivity extends AppCompatActivity {
TextView tvMensaje;
String mPhoneNumber;
private static final long MIN_TIME = 10000; // 10 segundos Minimo tiempo para updates en Milisegundos
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    tvMensaje = findViewById(R.id.tvMensaje);
    //*     Permission to Read PhoneNumber
    if (ActivityCompat.checkSelfPermission(this, READ_SMS) == PackageManager.PERMISSION_GRANTED
            && ActivityCompat.checkSelfPermission(this, READ_PHONE_NUMBERS)
            == PackageManager.PERMISSION_GRANTED
            && ActivityCompat.checkSelfPermission(this,READ_PHONE_STATE)
            == PackageManager.PERMISSION_GRANTED) {
        TelephonyManager tMgr = (TelephonyManager)   this.getSystemService(Context.TELEPHONY_SERVICE);
        String mPhoneNumber = tMgr.getLine1Number();
        return;
    } else {
        requestPermission();
     }

    //*     Permission to Read GPS
    if(ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION)
            != PackageManager.PERMISSION_GRANTED
            && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION)
            != PackageManager.PERMISSION_GRANTED) {
        ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION,}, 1000);
    } else {
        iniciarLocalizacion();
    }
}

private void iniciarLocalizacion() {

    if(ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION)
            != PackageManager.PERMISSION_GRANTED
            && ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION)
            != PackageManager.PERMISSION_GRANTED) {

        ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.ACCESS_FINE_LOCATION,}, 1000);
        return;
    }

    locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, MIN_TIME, 0, local);
    locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, MIN_TIME, 0, local);

    tvMensaje.setText("Inicializando GPS");
}

private void requestPermission() {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        requestPermissions(new String[]{READ_SMS, READ_PHONE_NUMBERS, READ_PHONE_STATE}, 100);
    }
}
public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
    switch (requestCode) {
        case 100:
            TelephonyManager tMgr = (TelephonyManager)  this.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) {
                return;
            }
            String mPhoneNumber = tMgr.getLine1Number();
            Log.e( "DEBUG-->", "Nro: " + mPhoneNumber );
            break;

        case 1000:
            if(grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                iniciarLocalizacion();
                return;
            }
            break;
      }
   }
}

Here part of the logcat: logcat part

Can you tell me what is my mistake?

java

1 Answers

  1. Best Answer

    The problem is one ArrayIndexOutOfBoundsExceptionand it is caused at this point, when checking the array that is obtained from the permissions, if the array does not have any permissions, you cannot get any element:

        case 1000:
        if(grantResults[0] == PackageManager.PERMISSION_GRANTED) {
            iniciarLocalizacion();
            return;
        }

    I suggest you perform the validation to check first if grantResults actually has any permissions:

        case 1000:
                if (grantResults.length > 0
  && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                    iniciarLocalizacion();
                    return;
                }
    • 1