content: /*
   * Copyright (C) 2017 The Android Open Source Project
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package com.example.android.autofill.app.edgecases;
  
  import android.content.Context;
  import android.content.Intent;
  import android.os.Bundle;
  import android.support.annotation.Nullable;
  import android.support.v7.app.AppCompatActivity;
  import android.view.View;
  import android.view.autofill.AutofillManager;
  import android.widget.EditText;
  
  import com.example.android.autofill.app.R;
  import com.example.android.autofill.app.WelcomeActivity;
  
  public class CreditCardActivity extends AppCompatActivity {
  
      private EditText mCcExpDayView;
      private EditText mCcExpMonthView;
      private EditText mCcExpYearView;
      private EditText mCcNumber;
      private EditText mCcSecurityCode;
  
      @Override
      protected void onCreate(@Nullable Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
          setContentView(R.layout.credit_card_activity);
          mCcExpDayView = findViewById(R.id.expirationDay);
          mCcExpMonthView = findViewById(R.id.expirationMonth);
          mCcExpYearView = findViewById(R.id.expirationYear);
          mCcNumber = findViewById(R.id.creditCardNumberField);
          mCcSecurityCode = findViewById(R.id.creditCardSecurityCode);
          findViewById(R.id.submitButton).setOnClickListener(new View.OnClickListener() {
              @Override
              public void onClick(View v) {
                  submit();
              }
          });
          findViewById(R.id.clearButton).setOnClickListener(new View.OnClickListener() {
              @Override
              public void onClick(View v) {
                  AutofillManager afm = getSystemService(AutofillManager.class);
                  if (afm != null) {
                      afm.cancel();
                  }
                  resetFields();
              }
          });
      }
  
      private void resetFields() {
          mCcExpDayView.setText("");
          mCcExpMonthView.setText("");
          mCcExpYearView.setText("");
          mCcNumber.setText("");
          mCcSecurityCode.setText("");
      }
  
      /**
       * Launches new Activity and finishes, triggering an autofill save request if the user entered
       * any new data.
       */
      private void submit() {
          Intent intent = WelcomeActivity.getStartActivityIntent(this);
          startActivity(intent);
          finish();
      }
  }
  