Is there a way to store credit / debit card information for future use. Using the Braintree Android SDK Android Application

Question

I use Braintree SDKin my Android app for paymentsand everything works fine, but here is one problem that it sets every time there is credit / debit card information. So my question is, is there a way to save credit / debit card data for future payments without having to re-request credit card information for the same user.

private ApiInterface apiInterface;
 apiInterface = ApiClient.getClient().create(ApiInterface.class);

 Call<ImageListResponse> call3 = apiInterface.getImageList("listpost");
        call3.enqueue(new Callback<ImageListResponse>() {
            @Override
            public void onResponse(Call<ImageListResponse> call, Response<ImageListResponse> response) {
            }

            @Override
            public void onFailure(Call<ImageListResponse> call, Throwable t) {
            }
        });

@FormUrlEncoded
    @POST("./")
    Call<ImageListResponse> getImageList(@Field("method") String method);

    @Multipart
    @POST("./")
    Call<UploadImageResponse> imageUpload(@Part("method") RequestBody method, @Part("Description") RequestBody desc,
                                          @Part("DateTime") RequestBody datetime, @Part MultipartBody.Part file);

File file = new File(String.valueOf(cropfilepath));
        RequestBody mFile = RequestBody.create(MediaType.parse("image*/"), file);
        MultipartBody.Part fileToUpload = MultipartBody.Part.createFormData("Image", file.getName(), mFile);
        RequestBody method = RequestBody.create(MediaType.parse("text/plain"), "sendpost");
        Call<UploadImageResponse> call3 = apiInterface.imageUpload(method, desc, datetime, fileToUpload);

 public static final String BASE_URL = "http://62.75.139.216/Insta_Web/api/service/";
    private static Retrofit retrofit = null;
    public static Retrofit getClient() {
        if (retrofit == null) {
            HttpLoggingInterceptor interceptor = new HttpLoggingInterceptor();
            interceptor.setLevel(HttpLoggingInterceptor.Level.BODY);
            OkHttpClient client = new OkHttpClient.Builder().addInterceptor(interceptor).build();
            Gson gson = new GsonBuilder()
                    .setLenient()
                    .create();
            retrofit = new Retrofit.Builder()
                    .baseUrl(BASE_URL)
                    .client(client)
                    .addConverterFactory(GsonConverterFactory.create(gson))
                    .build();
        }
        return retrofit;

compile 'com.google.code.gson:gson:2.6.2'
    compile 'com.squareup.retrofit2:retrofit:2.0.2'
    compile 'com.squareup.retrofit2:converter-gson:2.0.2'
    compile 'com.squareup.okhttp3:logging-interceptor:3.9.1'

Answer 1

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ClientTokenRequest clientTokenRequest = new ClientTokenRequest()
    .customerId(aCustomerId);
String clientToken = gateway.clientToken().generate(clientTokenRequest);