[Android/Java] 탁상시계 구현

내용

날짜와 시간을 알려주는 탁상시계 앱 입니다.

안드로이드 7.0 (누가) 부터 지원 가능합니다.

apk 및 코드를 업로드할테니 혹시 탁상시계가 필요한 분들은 활용해 주세요.

감사합니다.

---

apk 001

app-release.apk

3.04MB

---

코드

1. MainActivity.java

package com.example.clock;

import androidx.appcompat.app.AppCompatActivity;

import android.annotation.SuppressLint;
import android.icu.text.SimpleDateFormat;
import android.os.Bundle;
import android.view.WindowManager;
import android.widget.TextView;
import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;

public class MainActivity extends AppCompatActivity {

    TextView dateTv = null;
    TextView timeTv = null;

    @SuppressLint("SetTextI18n")
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

        dateTv = findViewById(R.id.dateTv);
        timeTv = findViewById(R.id.timeTv);

        Timer timer = new Timer();
        TimerTask timerTask = new TimerTask() {
            @Override
            public void run() {
                runOnUiThread(() -> setDateTime());
            }
        };
        timer.schedule(timerTask, 0, 1000);
    }

    private void setDateTime() {
        long now = System.currentTimeMillis();
        Date date = new Date(now);
        @SuppressLint("SimpleDateFormat")
        SimpleDateFormat simpleDateFormat001 = new SimpleDateFormat("yyyy년 MM월 dd일 aa");
        @SuppressLint("SimpleDateFormat")
        SimpleDateFormat simpleDateFormat002 = new SimpleDateFormat("hh:mm:ss");
        String getDate = simpleDateFormat001.format(date);
        String getTime = simpleDateFormat002.format(date);
        dateTv.setText(getDate);
        timeTv.setText(getTime);
    }
}

2. activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/black"
    tools:context=".MainActivity">

    <TextView
        android:id="@+id/dateTv"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:text="@string/app_name"
        android:textColor="@color/white"
        android:textSize="50sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintBottom_toTopOf="@+id/timeTv"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <TextView
        android:id="@+id/timeTv"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:text="@string/app_name"
        android:textColor="@color/white"
        android:textSize="180sp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/dateTv" />

</androidx.constraintlayout.widget.ConstraintLayout>