안드로이드 알람 앱
조회수 1459회
지금 안드로이드 알람 앱을 만들고 있는데 원하는 작동 방식은 이렇습니다
timepicker로 알람 시간 설정 - AlarmManger로 알람 시간마다 하루에 한 번씩 intent - BroadcastReciever가 이걸 받아서 노티피케이션을 띄우고 서비스로 intent - 서비스 onStartCommand()에서 alarmActivity 호출
근데 실행 조건에 따라 작동이 되다가 안되다가 또 앱을 실행 중이지 않은 백그라운드 상황에선 노티피케이션만 뜨거나 아예 작동조차 안합니다. 여기에 코드만 적어선 설명이 부족할 것 같으니 깃헙 레퍼지토리도 같이 올립니다. SettingAlarmFragment.java, AlarmReceiver.java, AlarmService.java, AlarmActivity.java 중점으로 보시면 되겠습니다. (레퍼지토리 내용과 이 글 내용에 차이가 있을 수 있습니다.)
SettingAlarmFragment.java
package com.example.alarm;
import android.annotation.SuppressLint;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Build;
import android.os.Bundle;
import androidx.annotation.NonNull;
import androidx.fragment.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.TextView;
import android.widget.TimePicker;
import android.widget.Toast;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Locale;
import java.util.Objects;
import static android.app.AlarmManager.INTERVAL_DAY;
import static android.content.Context.ALARM_SERVICE;
public class SettingAlarmFragment extends Fragment {
// 알람 시간
private Calendar calendar;
private TimePicker timePicker;
private PendingIntent alarmIntent;
private AlarmManager alarmManager;
Context context;
SharedPreferences sharedPrefer;
SharedPreferences.Editor editor;
@Override
public void onAttach(@NonNull Context context) {
super.onAttach(context);
this.context = context;
}
@SuppressLint("CommitPrefEdits")
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
ViewGroup viewGroup = (ViewGroup) inflater.inflate(R.layout.fragment_setting_alarm, container, false);
/*alarm*/
calendar = Calendar.getInstance();
// 현재 날짜 표시
displayDate(viewGroup);
this.timePicker = viewGroup.findViewById(R.id.timePicker);
editor = context.getSharedPreferences("school", Context.MODE_PRIVATE).edit();
sharedPrefer = context.getSharedPreferences("school", Context.MODE_PRIVATE);
Button registerButton = viewGroup.findViewById(R.id.btnRegist);
registerButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
register();
}
});
Button unRegisterButton = viewGroup.findViewById(R.id.btnUnregist);
unRegisterButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
if (sharedPrefer.getString("alarm_time", "").equals("")){
Toast.makeText(context, "해지 할 알람이 없음", Toast.LENGTH_SHORT).show();
}else{
unRegister();
}
}
});
return viewGroup;
}
/* 날짜 표시 */
private void displayDate(ViewGroup viewGroup) {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd", Locale.getDefault());
((TextView) viewGroup.findViewById(R.id.txtDate)).setText(format.format(calendar.getTime()));
}
/* 알람 등록 */
private void register() {
// 알람 시간 설정
calendar.setTimeInMillis(System.currentTimeMillis());
calendar.set(Calendar.HOUR_OF_DAY, this.timePicker.getHour());
calendar.set(Calendar.MINUTE, this.timePicker.getMinute());
calendar.set(Calendar.SECOND, 0);
editor.putString("alarm_time", timePicker.getHour()+"시 "+timePicker.getMinute()+"분");
editor.apply();
// Receiver 설정
Intent intent = new Intent(context, AlarmReceiver.class);
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT);
// 알람 설정
alarmManager = (AlarmManager) context.getSystemService(ALARM_SERVICE);
if (calendar.before(Calendar.getInstance())){
calendar.add(Calendar.DATE, 1);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
alarmManager.setExactAndAllowWhileIdle(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), pendingIntent);
}
else {
alarmManager.setInexactRepeating(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), AlarmManager.INTERVAL_DAY, alarmIntent);
}
}
else{
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
alarmManager.setExactAndAllowWhileIdle(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), pendingIntent);
}
else {
alarmManager.setInexactRepeating(AlarmManager.RTC_WAKEUP, calendar.getTimeInMillis(), AlarmManager.INTERVAL_DAY, alarmIntent);
}
}
// Toast 보여주기 (알람 시간 표시)
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.getDefault());
Toast.makeText(context, "Alarm : " + format.format(calendar.getTime()), Toast.LENGTH_SHORT).show();
}
private void unRegister() {
Intent intent = new Intent (context.getApplicationContext(), AlarmReceiver.class);
PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0, intent, PendingIntent.FLAG_CANCEL_CURRENT);
editor.putString("alarm_time", "");
editor.apply();
alarmManager.cancel(pendingIntent);
//Toast 보여주기
Toast.makeText(getContext(), "알람이 해지되었습니다.", Toast.LENGTH_SHORT).show();
}
}
AlarmReceiver.java
package com.example.alarm;
import android.app.Activity;
import android.app.AlarmManager;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Build;
import android.os.PowerManager;
import android.widget.Toast;
import androidx.core.app.NotificationCompat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
import static android.content.Context.MODE_PRIVATE;
public class AlarmReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
NotificationManager notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
Intent notificationIntent = new Intent(context, AlarmActivity.class);
notificationIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
PendingIntent pendingI = PendingIntent.getActivity(context, 0,
notificationIntent, 0);
NotificationCompat.Builder builder = new NotificationCompat.Builder(context, "default");
Intent service_intent = new Intent(context, AlarmService.class);
//OREO API 26 이상에서는 채널 필요
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
builder.setSmallIcon(R.drawable.ic_launcher_foreground); //mipmap 사용시 Oreo 이상에서 시스템 UI 에러남
String channelName ="매일 알람 채널";
String description = "매일 정해진 시간에 알람합니다.";
int importance = NotificationManager.IMPORTANCE_HIGH; //소리와 알림메시지를 같이 보여줌
NotificationChannel channel = new NotificationChannel("default", channelName, importance);
channel.setDescription(description);
context.startForegroundService(service_intent);
context.startService(service_intent);
if (notificationManager != null) {
// 노티피케이션 채널을 시스템에 등록
notificationManager.createNotificationChannel(channel);
}
}
else {
builder.setSmallIcon(R.mipmap.ic_launcher); // Oreo 이하에서 mipmap 사용하지 않으면 Couldn't create icon: StatusBarIcon 에러남
context.startActivity(service_intent);
}
builder.setAutoCancel(true)
.setDefaults(NotificationCompat.DEFAULT_ALL)
.setWhen(System.currentTimeMillis())
.setTicker("{Time to watch some cool stuff!}")
.setContentTitle("상태바 드래그시 보이는 타이틀")
.setContentText("상태바 드래그시 보이는 서브타이틀")
.setContentInfo("INFO")
.setContentIntent(pendingI);
if (notificationManager != null) {
if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.P) {
PowerManager powerManager = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
PowerManager.WakeLock wakeLock = powerManager.newWakeLock(PowerManager.FULL_WAKE_LOCK |
PowerManager.ACQUIRE_CAUSES_WAKEUP |
PowerManager.ON_AFTER_RELEASE, "My:Tag");
wakeLock.acquire(5000);
}
// 노티피케이션 동작시킴
notificationManager.notify(1234, builder.build());
Calendar nextNotifyTime = Calendar.getInstance();
// 내일 같은 시간으로 알람시간 결정
nextNotifyTime.add(Calendar.DATE, 1);
// Preference에 설정한 값 저장
SharedPreferences.Editor editor = context.getSharedPreferences("daily alarm", MODE_PRIVATE).edit();
editor.putLong("nextNotifyTime", nextNotifyTime.getTimeInMillis());
editor.apply();
Date currentDateTime = nextNotifyTime.getTime();
String date_text = new SimpleDateFormat("yyyy년 MM월 dd일 EE요일 a hh시 mm분 ", Locale.getDefault()).format(currentDateTime);
Toast.makeText(context.getApplicationContext(),"다음 알람은 " + date_text + "으로 알람이 설정되었습니다!", Toast.LENGTH_SHORT).show();
}
}
}
AlarmService.java
package com.example.alarm;
import android.app.Notification;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Build;
import android.os.IBinder;
import androidx.annotation.Nullable;
import androidx.annotation.RequiresApi;
import androidx.core.app.NotificationCompat;
import android.util.Log;
import android.widget.Toast;
public class AlarmService extends Service {
@Nullable
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Intent intent1 = new Intent(this, AlarmActivity.class);
Toast.makeText(this,"service", Toast.LENGTH_LONG).show();
startActivity(intent1.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TOP));
return START_NOT_STICKY;
}
}
AlarmActivity.java
package com.example.alarm;
import android.content.Context;
import android.content.Intent;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.os.Bundle;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Vibrator;
import android.view.KeyEvent;
import android.view.View;
import android.view.WindowManager;
import android.widget.Button;
import com.google.android.gms.ads.AdRequest;
import com.google.android.gms.ads.AdView;
import com.google.android.gms.ads.MobileAds;
import com.google.android.gms.ads.initialization.InitializationStatus;
import com.google.android.gms.ads.initialization.OnInitializationCompleteListener;
public class AlarmActivity extends AppCompatActivity {
private Vibrator vib;
private MediaPlayer mediaPlayer;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_alarm);
vib = (Vibrator)getSystemService(Context.VIBRATOR_SERVICE);
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
| WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
| WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
| WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
// 진동, 알람음 재생
vib.vibrate(new long[]{500,1000}, 0);
this.mediaPlayer = MediaPlayer.create(this, R.raw.ring_tone);
this.mediaPlayer.setLooping(true);
this.mediaPlayer.start();
Button closeButton = findViewById(R.id.btnClose);
closeButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
Intent intent = new Intent(AlarmActivity.this, WebViewActivity.class);
startActivity(intent);
mediaPlayerclose();
}
});
// TODO 벨소리 볼륨 항상 최대로 고정시키기
/* AudioManager mAudioManager = (AudioManager)getSystemService(Context.AUDIO_SERVICE);
mAudioManager.setStreamVolume(AudioManager.STREAM_RING,
(mAudioManager.getStreamMaxVolume(AudioManager.STREAM_RING)),
AudioManager.FLAG_PLAY_SOUND);
mAudioManager.isVolumeFixed();*/
addAd();
}
@Override
protected void onDestroy() {
super.onDestroy();
// MediaPlayer release
if (this.mediaPlayer != null) {
this.mediaPlayer.release();
this.mediaPlayer = null;
}
}
/* 알람 종료 */
private void mediaPlayerclose() {
if (this.mediaPlayer.isPlaying()) {
this.mediaPlayer.stop();
this.mediaPlayer.release();
this.mediaPlayer = null;
this.vib.cancel();
}
finish();
}
public void addAd(){
MobileAds.initialize(this, new OnInitializationCompleteListener() {
@Override
public void onInitializationComplete(InitializationStatus initializationStatus) {
}
});
AdView mAdView = findViewById(R.id.adView);
AdRequest adRequest = new AdRequest.Builder().build();
mAdView.loadAd(adRequest);
}
}
https://github.com/bentshrimp/OnlineClassAlarm ㄹㅇ 아무리 해도 안 고쳐져서 막연한 마음에 이렇게라도 올리는거임. 이 뉴비한텐 의지할 곳이 이제 여기밖에 없어
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