안드로이드 AlarmManager 1-2 (날짜 선택 추가)

2020/04/02 - [안드로이드/개발자 일상] - 안드로이드 AlarmManager 1-1 (매일 반복적으로 알람 받기)

AlarmManager 1-1에 추가로 코드를 작성하였습니다.

추가 사항

날짤 선택을 위한 CheckBox (월요일~일요일)

해당 시간에 액티비티를 실행

<실행 화면> 요일과 시간을 선택하여 알림을 받도록 했습니다.

activity_main.xml

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<?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"
    tools:context=".MainActivity">
 
    <TimePicker
        android:id="@+id/tp_timepicker"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:timePickerMode="spinner"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent" />
 
    <Button
        android:id="@+id/button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="24dp"
        android:onClick="regist"
        android:text="등록"
        app:layout_constraintBaseline_toBaselineOf="@+id/button2"
        app:layout_constraintEnd_toStartOf="@+id/button2"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/tp_timepicker" />
 
    <Button
        android:id="@+id/button2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="28dp"
        android:onClick="unregist"
        android:text="해지"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toEndOf="@+id/button"
        app:layout_constraintTop_toBottomOf="@+id/tp_timepicker" />
 
    <CheckBox
        android:id="@+id/cb_sun"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="일요일"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toStartOf="@+id/cb_mon"
        android:layout_marginBottom="120dp"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toStartOf="parent"
        tools:ignore="MissingConstraints" />
 
    <CheckBox
        android:id="@+id/cb_mon"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="월요일"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toStartOf="@+id/cb_tue"
        android:layout_marginBottom="120dp"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toEndOf="@+id/cb_sun"
        tools:ignore="MissingConstraints" />
 
    <CheckBox
        android:id="@+id/cb_tue"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="화요일"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toStartOf="@+id/cb_wed"
        app:layout_constraintHorizontal_bias="0.5"
        android:layout_marginBottom="120dp"
        app:layout_constraintStart_toEndOf="@+id/cb_mon"
        tools:ignore="MissingConstraints" />
 
    <CheckBox
        android:id="@+id/cb_wed"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="수요일"
        app:layout_constraintBottom_toBottomOf="parent"
        android:layout_marginBottom="120dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.5"
        app:layout_constraintStart_toEndOf="@+id/cb_tue"
        tools:ignore="MissingConstraints" />
 
    <CheckBox
        android:id="@+id/cb_thu"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="목요일"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toStartOf="@+id/cb_fri"
        app:layout_constraintHorizontal_bias="0.5"
        android:layout_marginBottom="50dp"
        app:layout_constraintStart_toStartOf="parent"
        tools:ignore="MissingConstraints" />
 
    <CheckBox
        android:id="@+id/cb_fri"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="금요일"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toStartOf="@+id/cb_sat"
        app:layout_constraintHorizontal_bias="0.5"
        android:layout_marginBottom="50dp"
        app:layout_constraintStart_toEndOf="@+id/cb_thu"
        tools:ignore="MissingConstraints" />
 
    <CheckBox
        android:id="@+id/cb_sat"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="토요일"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.5"
        android:layout_marginBottom="50dp"
        app:layout_constraintStart_toEndOf="@+id/cb_fri"
        tools:ignore="MissingConstraints" />
 
</androidx.constraintlayout.widget.ConstraintLayout>
 
 

MainActivity.java

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package com.example.ex_alarm;
 
import androidx.appcompat.app.AppCompatActivity;
 
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.Build;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.CheckBox;
import android.widget.TimePicker;
import android.widget.Toast;
 
import java.util.Calendar;
import java.util.Date;
 
public class MainActivity extends AppCompatActivity {
 
    private TimePicker timePicker;
    private AlarmManager alarmManager;
    private int hour, minute;
    CheckBox cbSun, cbMon, cbTue, cbWed, cbThu, cbFri, cbSat;
 
    static String TAG="MainActivity";
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
        timePicker=findViewById(R.id.tp_timepicker);
        alarmManager= (AlarmManager) getApplicationContext().getSystemService(Context.ALARM_SERVICE);
 
        cbSun=findViewById(R.id.cb_sun);
        cbMon=findViewById(R.id.cb_mon);
        cbTue=findViewById(R.id.cb_thu);
        cbWed=findViewById(R.id.cb_wed);
        cbThu=findViewById(R.id.cb_thu);
        cbFri=findViewById(R.id.cb_fri);
        cbSat=findViewById(R.id.cb_sat);
 
    }// onCreate()..
 
    public void regist(View view) {
 
        boolean[] week = { false, cbSun.isChecked(), cbMon.isChecked(), cbTue.isChecked(), cbWed.isChecked(),
                cbThu.isChecked(), cbFri.isChecked(), cbSat.isChecked() }; // cbSun을 1번부터 사용하기 위해 배열 0번은 false로 고정
 
        if(!cbSun.isChecked() &&  !cbMon.isChecked() &&  !cbTue.isChecked() && !cbWed.isChecked() &&  !cbThu.isChecked() && !cbFri.isChecked() && !cbSat.isChecked()){
            Toast.makeText(this, "요일을 선택해 주세요.", Toast.LENGTH_SHORT).show();
            return;
        }
 
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            hour=timePicker.getHour();
            minute=timePicker.getMinute();
        }else{
            Toast.makeText(this, "버전을 확인해 주세요.", Toast.LENGTH_SHORT).show();
            return;
        }
 
        Intent intent = new Intent(this, Alarm.class);
        intent.putExtra("weekday", week);
        PendingIntent pIntent = PendingIntent.getBroadcast(this, 0,intent, 0); //PendingIntent.FLAG_UPDATE_CURRENT
 
        Calendar calendar = Calendar.getInstance();
        calendar.set(Calendar.HOUR_OF_DAY, hour);
        calendar.set(Calendar.MINUTE, minute);
        calendar.set(Calendar.SECOND, 0);
        calendar.set(Calendar.MILLISECOND, 0);
 
        Date today = new Date();
        long intervalDay = 24 * 60 * 60 * 1000;// 24시간
 
        long selectTime=calendar.getTimeInMillis();
        long currenTime=System.currentTimeMillis();
 
        //만약 설정한 시간이, 현재 시간보다 작다면 알람이 부정확하게 울리기 때문에 다음날 울리게 설정
        if(currenTime>selectTime){
            selectTime += intervalDay;
        }
 
        Log.e(TAG,"등록 버튼을 누른 시간 : "+today+"  설정한 시간 : "+calendar.getTime());
 
        Log.d(TAG,"calendar.getTimeInMillis()  : "+calendar.getTimeInMillis());
 
          // 지정한 시간에 매일 알림
        alarmManager.setRepeating(AlarmManager.RTC_WAKEUP, selectTime,  intervalDay, pIntent);
 
    }// regist()..
 
    public void unregist(View view) {
        Intent intent = new Intent(this, Alarm.class);
        PendingIntent pIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
        alarmManager.cancel(pIntent);
    }// unregist()..
 
}// MainActivity class..
 
 

쉽게 확인하기 위해

해당 날짜 시간에 액티비티를 실행합니다.

새로운 액티비티를 만들어 줍니다.

activity_alarm_time_view.xml

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<?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"
    tools:context=".AlarmTimeViewActivity">
 
    <TextView
        android:id="@+id/tv_alarm_set_day_time"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        tools:text="테스트"
        android:textSize="24sp"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"/>
 
 
</androidx.constraintlayout.widget.ConstraintLayout>
 
 

AlarmTimeViewActivity.java

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package com.example.ex_alarm;
 
import androidx.appcompat.app.AppCompatActivity;
 
import android.content.Intent;
import android.os.Bundle;
import android.widget.TextView;
 
public class AlarmTimeViewActivity extends AppCompatActivity {
 
    TextView alarmSetTime;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_alarm_time_view);
 
        alarmSetTime=findViewById(R.id.tv_alarm_set_day_time);
 
        Intent intent=getIntent();
        int setDay=intent.getIntExtra("setDay",0);
        String day="";
        switch (setDay){
            case 0:
                day="err";
                    break;
            case 1:
                day="일요일";
                break;
            case 2:
                day="월요일";
                break;
            case 3:
                day="화요일";
                break;
            case 4:
                day="수요일";
                break;
            case 5:
                day="목요일";
                break;
            case 6:
                day="금요일";
                break;
            case 7:
                day="토요일";
                break;
            default:
                day="err";
                break;
        }
 
        String setTime=day+"요일 \n"+"알람 셋팅 시간"+intent.getStringExtra("setTime");
        alarmSetTime.setText(setTime);
    }// onCreate()..
}// AlarmTimeViewActivity class..
 
 

BroadcastReceiver 를 상속받은 Alarm class에서 새로 만든 액티비티를 실행합니다.

Alarm.java

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package com.example.ex_alarm;
 
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;
import android.widget.Toast;
 
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
 
public class Alarm extends BroadcastReceiver {
    static String TAG="Alarm";
    @Override
    public void onReceive(Context context, Intent intent) {
 
        boolean[] week = intent.getBooleanArrayExtra("weekday");
 
 
        Log.d(TAG,week.toString());
 
        Calendar cal = Calendar.getInstance();
        Log.d(TAG,cal.get(Calendar.DAY_OF_WEEK)+"");
 
        if (!week[cal.get(Calendar.DAY_OF_WEEK)]) return; // 체크한 요일이 아니면
 
        SimpleDateFormat format1 = new SimpleDateFormat ( "HH:mm");
        Date time = new Date();
        String time1 = format1.format(time);
 
        Intent intent2= new Intent(context, AlarmTimeViewActivity.class);
        intent2.putExtra("setDay",cal.get(Calendar.DAY_OF_WEEK));
        intent2.putExtra("setTime",time1.toString());
        intent2.setFlags(intent2.FLAG_ACTIVITY_NEW_TASK);
        context.startActivity(intent2);
 
        Log.e("TAG","알람입니다~!!"+"알람 요일"+cal.get(Calendar.DAY_OF_WEEK)+" 알람 울린 시간  : "+time1);
        Toast.makeText(context, "알람~!!", Toast.LENGTH_SHORT).show();
 
    }// onReceive()..
}// Alarm class..
 
 

<실행 화면> 요일과 시간을 선택하여 알림을 받도록 했습니다.

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