prebuilts/gradle/AutofillFramework/Application/src/main/java/com/example/android/autofillframework/app/WelcomeActivity.java

/*
 * 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.autofillframework.app;

import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.CountDownTimer;
import android.support.v7.app.AppCompatActivity;
import android.widget.TextView;

import com.example.android.autofillframework.R;

import static java.lang.Math.toIntExact;

public class WelcomeActivity extends AppCompatActivity {

    public static Intent getStartActivityIntent(Context context) {
        return new Intent(context, WelcomeActivity.class);
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.welcome_activity);
        final TextView countdownText = findViewById(R.id.countdownText);
        new CountDownTimer(5000, 1000) {
            @Override
            public void onTick(long millisUntilFinished) {
                int secondsRemaining = toIntExact(millisUntilFinished / 1000);
                countdownText.setText(getResources().getQuantityString
                        (R.plurals.welcome_page_countdown, secondsRemaining, secondsRemaining));
            }

            @Override
            public void onFinish() {
                if (!WelcomeActivity.this.isFinishing()) {
                    finish();
                }
            }
        }.start();
    }
}