質問編集履歴
3
題名変更
title
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@@ -1,1 +1,1 @@
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1
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-
Android
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1
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+
Android Thread処理の終了前にThreadを破棄したい
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body
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File without changes
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2
コード修正
title
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File without changes
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body
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@@ -85,7 +85,7 @@
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85
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}
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}
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87
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}).start();
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88
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-
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88
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+
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89
89
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return START_NOT_STICKY;
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90
90
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}
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91
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1
コード追加
title
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File without changes
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body
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@@ -1,8 +1,97 @@
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1
1
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<質問事項>
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2
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ServiceでThread処理する。
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2
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+
ServiceでThread処理するコードを書いています。コード中で、
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3
3
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Threadが稼働しているときに、Serviceを停止し、併せてThreadのタスクも破棄したいと考えています。ServiceとThreadの両方を同時に停止、破棄するには、どのような方法があるでしょうか？
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4
4
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5
5
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<現状>
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6
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-
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6
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+
Service内でThreadを生成して処理させると、Serviceとは別スレッドになってしまい、Serviceを停止してもThreadのタスクが破棄されず、処理し続けてしまいます。
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7
7
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8
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-
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8
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+
以下、コードを記載しますので、ろしくお願いします。
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9
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+
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10
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+
<MainActivity.java>
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11
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+
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12
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```MainActivity
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13
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public class MainActivity extends AppCompatActivity {
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14
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+
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15
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@Override
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16
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protected void onCreate(Bundle savedInstanceState) {
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17
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super.onCreate(savedInstanceState);
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18
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setContentView(R.layout.activity_main);
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19
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+
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20
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Button btn_start = findViewById(R.id.btn_start);
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21
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Button btn_stop = findViewById(R.id.btn_stop);
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22
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final Intent intent = new Intent(this,MyService.class);
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23
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24
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btn_start.setOnClickListener(new View.OnClickListener(){
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25
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@Override
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26
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public void onClick(View view) {
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27
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if(Build.VERSION.SDK_INT >=26){
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28
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startForegroundService(intent);
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29
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}else{
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30
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startService(intent);
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31
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}
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32
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}
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33
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});
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34
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+
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35
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btn_stop.setOnClickListener(new View.OnClickListener(){
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36
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@Override
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37
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public void onClick(View view) {
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38
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stopService(intent);
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39
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}
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40
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});
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41
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+
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42
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}
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43
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}
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44
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```
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45
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+
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46
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+
<MyService.java>
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47
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```MyService
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48
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public class MyService extends Service {
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49
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public MyService() {
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50
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}
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51
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+
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52
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public int onStartCommand(Intent intent,int flags,int startId){
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53
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Notification notification;
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54
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Intent intent_Main = new Intent(this,MainActivity.class);
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55
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PendingIntent pendingIntent = PendingIntent.getActivity(this,0,intent_Main,0);
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56
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NotificationCompat.Builder builder = new NotificationCompat.Builder(this,"id");
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57
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notification = builder.setSmallIcon(R.drawable.notification_icon)
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58
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.setContentTitle("NotificationTitle")
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59
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.setContentText("NotificationContent")
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60
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.setContentIntent(pendingIntent)
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61
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.build();
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62
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+
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63
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if(Build.VERSION.SDK_INT >=26){
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64
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int importance = NotificationManager.IMPORTANCE_LOW;
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65
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NotificationChannel channel = new NotificationChannel("id","name",importance);
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66
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NotificationManager manager = getSystemService(NotificationManager.class);
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67
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manager.createNotificationChannel(channel);
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68
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startForeground(2,notification);
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69
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}else{
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70
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notification = builder.setPriority(NotificationCompat.PRIORITY_LOW).build();
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71
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NotificationManagerCompat managerCompat = NotificationManagerCompat.from(this);
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72
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managerCompat.notify(1,notification);
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73
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}
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74
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+
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75
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new Thread(new Runnable(){
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76
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@Override
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77
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public void run() {
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78
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for(int i=0;i<100;i++){
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79
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try {
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80
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sleep(1000);
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81
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} catch (InterruptedException e) {
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82
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e.printStackTrace();
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83
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}
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84
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Log.d("MSG","IN THREAD");
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85
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+
}
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86
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+
}
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87
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+
}).start();
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88
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+
stopSelf();
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89
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+
return START_NOT_STICKY;
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90
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+
}
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91
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+
|
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92
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+
@Override
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|
93
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+
public IBinder onBind(Intent intent) {
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94
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+
return null;
|
|
95
|
+
}
|
|
96
|
+
}
|
|
97
|
+
```
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