问初始化提供程序时Firebase身份验证崩溃(Android)

EN

private List<AuthUI.IdpConfig> providers;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    FacebookSdk.sdkInitialize(getApplicationContext());
    AppEventsLogger.activateApp(this);

    setContentView(R.layout.activity_main);

    providers = Arrays.asList(
            new AuthUI.IdpConfig.EmailBuilder().build(),
            new AuthUI.IdpConfig.PhoneBuilder().build(), <----- ERROR
            new AuthUI.IdpConfig.FacebookBuilder().build(),
            new AuthUI.IdpConfig.GoogleBuilder().build());
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:28.0.0'
    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
    testImplementation 'junit:junit:4.12'
    implementation 'com.facebook.android:facebook-android-sdk:[4,5)'
    implementation 'com.firebaseui:firebase-ui-auth:4.3.1'
    implementation 'com.firebase:firebase-client-android:2.5.2'
}