Android 8及以上版本: 在Android 8及以上版本中不断发生崩溃。这里有一个提出相同问题的票据https://issuetracker.google.com/issues/63622293,我已经添加了一些极客建议的临时修复方法。
Android 7及以下版本: JobIntentService的行为类似于Intent Service,但在完成工作后无法停止。
我已在服务中实现了JobIntentService,每当用户执行某些操作时就会触发。
代码
public class SampleJobIntentService extends FixedJobIntentService {
public static void postData(Context context, String data) {
Intent intent = new Intent(context, SampleJobIntentService.class);
intent.setAction(INITIAL_ACTION);
intent.putExtra(SAMPLE_ID, data);
SampleJobIntentService.enqueueWork(context,intent);
}
public static void enqueueWork(Context context, Intent work) {
SampleJobIntentService.enqueueWork(context, SampleJobIntentService.class, JOB_ID, work);
@Override
protected void onHandleWork(@NonNull Intent intent) {
if (intent != null) {
SampleRequest sampleRequest = requests.get(intent.getAction());
if (sampleRequest != null) {
try {
// perform some networking operations
} catch (Exception ex) {
Log.d("Error for intent ");
}
Log.i("send action ");
} else
Log.e("action not found for ");
}
}
}
为避免与JobIntentService崩溃,我参考了https://issuetracker.google.com/issues/63622293的一些内容。
public abstract class FixedJobIntentService extends JobIntentService {
@Override
GenericWorkItem dequeueWork() {
try {
return new FixedGenericWorkItem(super.dequeueWork());
} catch (SecurityException ignored) {
doStopCurrentWork();
}
return null;
}
private class FixedGenericWorkItem implements GenericWorkItem {
final GenericWorkItem mGenericWorkItem;
FixedGenericWorkItem(GenericWorkItem genericWorkItem) {
mGenericWorkItem = genericWorkItem;
}
@Override
public Intent getIntent() {
if (mGenericWorkItem != null) {
return mGenericWorkItem.getIntent();
}
return null;
}
@Override
public void complete() {
try {
if (mGenericWorkItem != null) {
mGenericWorkItem.complete();
}
} catch (IllegalArgumentException ignored) {
doStopCurrentWork();
}
}
}
}