PlayServicesUtils for checking GPS

PlayServicesUtils.java

import android.app.Activity;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnCancelListener;

import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.GoogleApiAvailability;

/**
 * Google Play Services utility class.
 * https://developers.google.com/android/reference/com/google/android/gms/analytics/GoogleAnalytics. I have stopped
 * checking for Google Play Services because it pops up a dialog forcing a user to upgrade.
 *
 * @author <a href="mailto:[email protected]">Jared Burrows</a>
 */
public final class PlayServicesUtils {

    private PlayServicesUtils() {
        // Utility class
    }

    /**
     * Check if device has the correct Google Play Services version.
     *
     * @param activity     Current activity.
     * @param availability New instance of GoogleApiAvailability.
     * @return True if there was a successful connection ot Google Play Services.
     */
    public static boolean hasGooglePlayServices(final Activity activity, final GoogleApiAvailability availability) {
        final int result = availability.isGooglePlayServicesAvailable(activity);
        final Dialog dialog = availability.getErrorDialog(activity, result, 0);

        if (result == ConnectionResult.SUCCESS) {
            return true;
        } else {
            // Let user use the application
            dialog.setOnCancelListener(new OnCancelListener() {
                @Override
                public void onCancel(final DialogInterface dialog) {
                    dialog.cancel();
                }
            });
            dialog.show();
        }
        return false;
    }
}

PlayServicesUtilsTest.java

import android.app.Activity;
import android.app.Dialog;
import android.content.DialogInterface;

import com.google.android.gms.common.GoogleApiAvailability;

import org.junit.Before;
import org.junit.Test;

import burrows.apps.lib.test.RoboTestBase;

import static com.google.android.gms.common.ConnectionResult.SERVICE_MISSING;
import static com.google.android.gms.common.ConnectionResult.SUCCESS;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

/**
 * @author <a href="mailto:[email protected]">Jared Burrows</a>
 * @since 0.0.1
 */
public class PlayServicesUtilsTest extends RoboTestBase {

    private Activity activity;
    private GoogleApiAvailability sut;

    @Before
    public void setUp() throws Exception {
        activity = mock(Activity.class);
        sut = mock(GoogleApiAvailability.class);
    }

    // --------------------------------------------
    // getDescription(final String threadName, final Throwable throwable)
    // --------------------------------------------

    @Test
    public void testHasGooglePlayServicesShouldReturnError() {
        final Dialog dialog = mock(Dialog.class);

        when(sut.isGooglePlayServicesAvailable(activity)).thenReturn(SERVICE_MISSING);
        when(sut.getErrorDialog(activity, SERVICE_MISSING, 0)).thenReturn(dialog);

        assertThat(PlayServicesUtils.hasGooglePlayServices(activity, sut)).isFalse();

        verify(dialog).setOnCancelListener(any(DialogInterface.OnCancelListener.class));
        verify(dialog).show();

        dialog.dismiss();
        dialog.cancel();

        assertThat(dialog.isShowing()).isFalse();
        verify(dialog).cancel();
    }

    @Test
    public void testHasGooglePlayServicesShouldReturnErrorWithClose() {
        final Dialog dialog = new Dialog(context);

        when(sut.isGooglePlayServicesAvailable(activity)).thenReturn(SERVICE_MISSING);
        when(sut.getErrorDialog(activity, SERVICE_MISSING, 0)).thenReturn(dialog);

        assertThat(PlayServicesUtils.hasGooglePlayServices(activity, sut)).isFalse();

        dialog.cancel();

        assertThat(dialog.isShowing()).isFalse();
    }

    @Test
    public void testHasGooglePlayServicesShouldReturnSuccess() {
        when(sut.isGooglePlayServicesAvailable(activity)).thenReturn(SUCCESS);

        assertThat(PlayServicesUtils.hasGooglePlayServices(activity, sut)).isTrue();
    }
}