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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.commoncases;
     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 com.example.android.autofill.app.R;
     29 import com.example.android.autofill.app.WelcomeActivity;
     30 
     31 import java.util.Calendar;
     32 
     33 public class CreditCardSpinnersActivity extends AppCompatActivity {
     34 
     35     private static final int CC_EXP_YEARS_COUNT = 5;
     36 
     37     private final String[] years = new String[CC_EXP_YEARS_COUNT];
     38 
     39     private Spinner mCcExpirationDaySpinner;
     40     private Spinner mCcExpirationMonthSpinner;
     41     private Spinner mCcExpirationYearSpinner;
     42     private EditText mCcCardNumber;
     43     private EditText mCcSecurityCode;
     44 
     45     @Override
     46     protected void onCreate(Bundle savedInstanceState) {
     47         super.onCreate(savedInstanceState);
     48         setContentView(R.layout.credit_card_spinners_activity);
     49         mCcExpirationDaySpinner = findViewById(R.id.expirationDay);
     50         mCcExpirationMonthSpinner = findViewById(R.id.expirationMonth);
     51         mCcExpirationYearSpinner = findViewById(R.id.expirationYear);
     52         mCcCardNumber = findViewById(R.id.creditCardNumberField);
     53         mCcSecurityCode = findViewById(R.id.creditCardSecurityCode);
     54 
     55         // Create an ArrayAdapter using the string array and a default spinner layout
     56         ArrayAdapter<CharSequence> dayAdapter = ArrayAdapter.createFromResource
     57                 (this, R.array.day_array, android.R.layout.simple_spinner_item);
     58         // Specify the layout to use when the list of choices appears
     59         dayAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
     60         // Apply the adapter to the spinner
     61         mCcExpirationDaySpinner.setAdapter(dayAdapter);
     62 
     63         /*
     64         R.array.month_array could be an array of Strings like "Jan", "Feb", "March", etc., and
     65         the AutofillService would know how to autofill it. However, for the sake of keeping the
     66         AutofillService simple, we will stick to a list of numbers (1, 2, ... 12) to represent
     67         months; it makes it much easier to generate fake autofill data in the service that can still
     68         autofill this spinner.
     69         */
     70         ArrayAdapter<CharSequence> monthAdapter = ArrayAdapter.createFromResource(
     71                 this, R.array.month_array, android.R.layout.simple_spinner_item);
     72         // Adapter created from resource has getAutofillOptions() implemented by default.
     73         monthAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
     74         mCcExpirationMonthSpinner.setAdapter(monthAdapter);
     75 
     76         int year = Calendar.getInstance().get(Calendar.YEAR);
     77         for (int i = 0; i < years.length; i++) {
     78             years[i] = Integer.toString(year + i);
     79         }
     80         // Since the years Spinner uses a custom adapter, it needs to implement getAutofillOptions.
     81         mCcExpirationYearSpinner.setAdapter(
     82                 new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, years) {
     83                     @Override
     84                     public CharSequence[] getAutofillOptions() {
     85                         return years;
     86                     }
     87                 });
     88         findViewById(R.id.submit).setOnClickListener(new View.OnClickListener() {
     89             @Override
     90             public void onClick(View v) {
     91                 submit();
     92             }
     93         });
     94         findViewById(R.id.clear).setOnClickListener(new View.OnClickListener() {
     95             @Override
     96             public void onClick(View v) {
     97                 AutofillManager afm = getSystemService(AutofillManager.class);
     98                 if (afm != null) {
     99                     afm.cancel();
    100                 }
    101                 resetFields();
    102             }
    103         });
    104     }
    105 
    106     private void resetFields() {
    107         mCcExpirationDaySpinner.setSelection(0);
    108         mCcExpirationMonthSpinner.setSelection(0);
    109         mCcExpirationYearSpinner.setSelection(0);
    110         mCcCardNumber.setText("");
    111         mCcSecurityCode.setText("");
    112     }
    113 
    114     /**
    115      * Launches new Activity and finishes, triggering an autofill save request if the user entered
    116      * any new data.
    117      */
    118     private void submit() {
    119         Intent intent = WelcomeActivity.getStartActivityIntent(CreditCardSpinnersActivity.this);
    120         startActivity(intent);
    121         finish();
    122     }
    123 }
    124