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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package com.example.android.autofill.app;
     17 
     18 import android.content.Context;
     19 import android.content.Intent;
     20 import android.os.Bundle;
     21 import android.support.v7.app.AppCompatActivity;
     22 import android.view.View;
     23 import android.view.autofill.AutofillManager;
     24 import android.widget.ArrayAdapter;
     25 import android.widget.EditText;
     26 import android.widget.Spinner;
     27 
     28 import java.util.Calendar;
     29 
     30 public class CreditCardSpinnersActivity extends AppCompatActivity {
     31 
     32     private static final int CC_EXP_YEARS_COUNT = 5;
     33 
     34     private final String[] years = new String[CC_EXP_YEARS_COUNT];
     35 
     36     private Spinner mCcExpirationDaySpinner;
     37     private Spinner mCcExpirationMonthSpinner;
     38     private Spinner mCcExpirationYearSpinner;
     39     private EditText mCcCardNumber;
     40     private EditText mCcSecurityCode;
     41 
     42     public static Intent getStartActivityIntent(Context context) {
     43         Intent intent = new Intent(context, CreditCardSpinnersActivity.class);
     44         return intent;
     45     }
     46 
     47     @Override
     48     protected void onCreate(Bundle savedInstanceState) {
     49         super.onCreate(savedInstanceState);
     50         setContentView(R.layout.credit_card_spinners_activity);
     51         mCcExpirationDaySpinner = findViewById(R.id.expirationDay);
     52         mCcExpirationMonthSpinner = findViewById(R.id.expirationMonth);
     53         mCcExpirationYearSpinner = findViewById(R.id.expirationYear);
     54         mCcCardNumber = findViewById(R.id.creditCardNumberField);
     55         mCcSecurityCode = findViewById(R.id.creditCardSecurityCode);
     56 
     57         // Create an ArrayAdapter using the string array and a default spinner layout
     58         ArrayAdapter<CharSequence> dayAdapter = ArrayAdapter.createFromResource
     59                 (this, R.array.day_array, android.R.layout.simple_spinner_item);
     60         // Specify the layout to use when the list of choices appears
     61         dayAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
     62         // Apply the adapter to the spinner
     63         mCcExpirationDaySpinner.setAdapter(dayAdapter);
     64 
     65         /*
     66         R.array.month_array could be an array of Strings like "Jan", "Feb", "March", etc., and
     67         the AutofillService would know how to autofill it. However, for the sake of keeping the
     68         AutofillService simple, we will stick to a list of numbers (1, 2, ... 12) to represent
     69         months; it makes it much easier to generate fake autofill data in the service that can still
     70         autofill this spinner.
     71         */
     72         ArrayAdapter<CharSequence> monthAdapter = ArrayAdapter.createFromResource(
     73                 this, R.array.month_array, android.R.layout.simple_spinner_item);
     74         // Adapter created from resource has getAutofillOptions() implemented by default.
     75         monthAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
     76         mCcExpirationMonthSpinner.setAdapter(monthAdapter);
     77 
     78         int year = Calendar.getInstance().get(Calendar.YEAR);
     79         for (int i = 0; i < years.length; i++) {
     80             years[i] = Integer.toString(year + i);
     81         }
     82         // Since the years Spinner uses a custom adapter, it needs to implement getAutofillOptions.
     83         mCcExpirationYearSpinner.setAdapter(
     84                 new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, years) {
     85                     @Override
     86                     public CharSequence[] getAutofillOptions() {
     87                         return years;
     88                     }
     89                 });
     90         findViewById(R.id.submit).setOnClickListener(new View.OnClickListener() {
     91             @Override
     92             public void onClick(View v) {
     93                 submit();
     94             }
     95         });
     96         findViewById(R.id.clear).setOnClickListener(new View.OnClickListener() {
     97             @Override
     98             public void onClick(View v) {
     99                 getSystemService(AutofillManager.class).cancel();
    100                 resetFields();
    101             }
    102         });
    103     }
    104 
    105     private void resetFields() {
    106         mCcExpirationDaySpinner.setSelection(0);
    107         mCcExpirationMonthSpinner.setSelection(0);
    108         mCcExpirationYearSpinner.setSelection(0);
    109         mCcCardNumber.setText("");
    110         mCcSecurityCode.setText("");
    111     }
    112 
    113     /**
    114      * Launches new Activity and finishes, triggering an autofill save request if the user entered
    115      * any new data.
    116      */
    117     private void submit() {
    118         Intent intent = WelcomeActivity.getStartActivityIntent(CreditCardSpinnersActivity.this);
    119         startActivity(intent);
    120         finish();
    121     }
    122 }
    123