質問編集履歴
3
題名変更
test
CHANGED
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@@ -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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test
CHANGED
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File without changes
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2
コード修正
test
CHANGED
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File without changes
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test
CHANGED
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@@ -172,7 +172,7 @@
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172
172
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173
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}).start();
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174
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175
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-
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175
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+
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176
176
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177
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return START_NOT_STICKY;
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178
178
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1
コード追加
test
CHANGED
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File without changes
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test
CHANGED
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@@ -1,6 +1,6 @@
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1
1
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<質問事項>
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2
2
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3
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-
ServiceでThread処理する。
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3
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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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4
4
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5
5
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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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6
6
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@@ -8,8 +8,186 @@
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8
8
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9
9
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<現状>
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10
10
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11
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-
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11
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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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12
12
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13
13
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14
14
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15
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-
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15
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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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16
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+
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17
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+
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18
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+
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19
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+
<MainActivity.java>
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20
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+
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21
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+
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22
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+
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23
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+
```MainActivity
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24
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+
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25
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+
public class MainActivity extends AppCompatActivity {
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26
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+
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27
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+
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28
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+
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29
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+
@Override
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30
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+
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31
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+
protected void onCreate(Bundle savedInstanceState) {
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32
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+
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33
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+
super.onCreate(savedInstanceState);
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34
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+
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35
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+
setContentView(R.layout.activity_main);
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36
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+
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37
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+
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38
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+
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39
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+
Button btn_start = findViewById(R.id.btn_start);
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40
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+
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41
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+
Button btn_stop = findViewById(R.id.btn_stop);
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42
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+
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43
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+
final Intent intent = new Intent(this,MyService.class);
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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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+
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47
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+
btn_start.setOnClickListener(new View.OnClickListener(){
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48
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+
|
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49
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+
@Override
|
|
50
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+
|
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51
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+
public void onClick(View view) {
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52
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+
|
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53
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+
if(Build.VERSION.SDK_INT >=26){
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54
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+
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55
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+
startForegroundService(intent);
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56
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+
|
|
57
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+
}else{
|
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58
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+
|
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59
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+
startService(intent);
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60
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+
|
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61
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+
}
|
|
62
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+
|
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63
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+
}
|
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64
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+
|
|
65
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+
});
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66
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+
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67
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+
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68
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+
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69
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+
btn_stop.setOnClickListener(new View.OnClickListener(){
|
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70
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+
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71
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+
@Override
|
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72
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+
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73
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+
public void onClick(View view) {
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74
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+
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75
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+
stopService(intent);
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76
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+
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77
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+
}
|
|
78
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+
|
|
79
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+
});
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80
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+
|
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81
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+
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82
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+
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83
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+
}
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84
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+
|
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85
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+
}
|
|
86
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+
|
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87
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+
```
|
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88
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+
|
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89
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+
|
|
90
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+
|
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91
|
+
<MyService.java>
|
|
92
|
+
|
|
93
|
+
```MyService
|
|
94
|
+
|
|
95
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+
public class MyService extends Service {
|
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96
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+
|
|
97
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+
public MyService() {
|
|
98
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+
|
|
99
|
+
}
|
|
100
|
+
|
|
101
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+
|
|
102
|
+
|
|
103
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+
public int onStartCommand(Intent intent,int flags,int startId){
|
|
104
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+
|
|
105
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+
Notification notification;
|
|
106
|
+
|
|
107
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+
Intent intent_Main = new Intent(this,MainActivity.class);
|
|
108
|
+
|
|
109
|
+
PendingIntent pendingIntent = PendingIntent.getActivity(this,0,intent_Main,0);
|
|
110
|
+
|
|
111
|
+
NotificationCompat.Builder builder = new NotificationCompat.Builder(this,"id");
|
|
112
|
+
|
|
113
|
+
notification = builder.setSmallIcon(R.drawable.notification_icon)
|
|
114
|
+
|
|
115
|
+
.setContentTitle("NotificationTitle")
|
|
116
|
+
|
|
117
|
+
.setContentText("NotificationContent")
|
|
118
|
+
|
|
119
|
+
.setContentIntent(pendingIntent)
|
|
120
|
+
|
|
121
|
+
.build();
|
|
122
|
+
|
|
123
|
+
|
|
124
|
+
|
|
125
|
+
if(Build.VERSION.SDK_INT >=26){
|
|
126
|
+
|
|
127
|
+
int importance = NotificationManager.IMPORTANCE_LOW;
|
|
128
|
+
|
|
129
|
+
NotificationChannel channel = new NotificationChannel("id","name",importance);
|
|
130
|
+
|
|
131
|
+
NotificationManager manager = getSystemService(NotificationManager.class);
|
|
132
|
+
|
|
133
|
+
manager.createNotificationChannel(channel);
|
|
134
|
+
|
|
135
|
+
startForeground(2,notification);
|
|
136
|
+
|
|
137
|
+
}else{
|
|
138
|
+
|
|
139
|
+
notification = builder.setPriority(NotificationCompat.PRIORITY_LOW).build();
|
|
140
|
+
|
|
141
|
+
NotificationManagerCompat managerCompat = NotificationManagerCompat.from(this);
|
|
142
|
+
|
|
143
|
+
managerCompat.notify(1,notification);
|
|
144
|
+
|
|
145
|
+
}
|
|
146
|
+
|
|
147
|
+
|
|
148
|
+
|
|
149
|
+
new Thread(new Runnable(){
|
|
150
|
+
|
|
151
|
+
@Override
|
|
152
|
+
|
|
153
|
+
public void run() {
|
|
154
|
+
|
|
155
|
+
for(int i=0;i<100;i++){
|
|
156
|
+
|
|
157
|
+
try {
|
|
158
|
+
|
|
159
|
+
sleep(1000);
|
|
160
|
+
|
|
161
|
+
} catch (InterruptedException e) {
|
|
162
|
+
|
|
163
|
+
e.printStackTrace();
|
|
164
|
+
|
|
165
|
+
}
|
|
166
|
+
|
|
167
|
+
Log.d("MSG","IN THREAD");
|
|
168
|
+
|
|
169
|
+
}
|
|
170
|
+
|
|
171
|
+
}
|
|
172
|
+
|
|
173
|
+
}).start();
|
|
174
|
+
|
|
175
|
+
stopSelf();
|
|
176
|
+
|
|
177
|
+
return START_NOT_STICKY;
|
|
178
|
+
|
|
179
|
+
}
|
|
180
|
+
|
|
181
|
+
|
|
182
|
+
|
|
183
|
+
@Override
|
|
184
|
+
|
|
185
|
+
public IBinder onBind(Intent intent) {
|
|
186
|
+
|
|
187
|
+
return null;
|
|
188
|
+
|
|
189
|
+
}
|
|
190
|
+
|
|
191
|
+
}
|
|
192
|
+
|
|
193
|
+
```
|