谁会告诉您为什么当您在打开的应用程序中使用HttpURLConnection启动服务时，一切运行正常，并且当您拧紧该应用程序时，urlConnection.connect（）会在此处停止，并在再次启动时开始工作另一刻，检查了服务中的Internet，有一个开放的激活，但是在封闭的状态中，由于某种原因没有激活，我无法弄清楚整个Internet，我能理解清单中的某些内容吗？ / p>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="">
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<service android:enabled="true" android:name=".LoadDataService"/>
</application>
执行服务
public class TestActivity extends Fragment {
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.activity_monitor, container, false);
final Button start_monitoring = rootView.findViewById(R.id.start_monitoring);
final Context context = rootView.getContext().getApplicationContext();
View.OnClickListener start_monitoring_lsnr = new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(context, LoadDataService.class);
context.startService(intent);
}
};
return rootView;
}
}
服务
public class LoadDataService extends Service
{
private DatabaseHandler db;
private static Context cur_context;
ExecutorService es;
@Override
public void onCreate() {
super.onCreate();
this.cur_context = getBaseContext();
db = new DatabaseHandler(cur_context);
es = Executors.newFixedThreadPool(1);
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
StartService ss = new StartService(intent);
es.execute(ss);
return super.onStartCommand(intent, flags, startId);
}
@Override
public void onDestroy() {
super.onDestroy();
}
@Override
public IBinder onBind(Intent intent) {
return null;
}
class StartService implements Runnable{
Intent intent;
public StartService(Intent intent) {
this.intent = intent;
}
@Override
public void run() {
try {
HttpsURLConnection connection = null;
connection = (HttpsURLConnection) new URL(url).openConnection();
connection.setRequestMethod("GET");
connection.setHostnameVerifier(hostnameVerifier);
connection.connect();
InputStream inputStream = connection.getInputStream();
InputStream inputStream = connection.getInputStream（）; 在此处，当应用程序处于非活动状态时，代码将停止，并且当应用程序处于活动状态时，一切都会正常运行
} catch (Exception ex) {
ex.printStackTrace();
}
}
}
}
Logcat
2019-04-02 20:16:50.698 8888-9803/? E/CrashlyticsCore: Error occurred sending report com.crashlytics.android.core.SessionReport@6cab92f
io.fabric.sdk.android.services.network.HttpRequest$HttpRequestException: java.net.SocketTimeoutException: failed to connect to reports.crashlytics.com/54.221.227.86 (port 443) from /10.119.96.97 (port 54463) after 10000ms
at io.fabric.sdk.android.services.network.HttpRequest.part(HttpRequest.java:2550)
at io.fabric.sdk.android.services.network.HttpRequest.part(HttpRequest.java:2530)
at io.fabric.sdk.android.services.network.HttpRequest.part(HttpRequest.java:2516)
at com.crashlytics.android.core.DefaultCreateReportSpiCall.applyMultipartDataTo(DefaultCreateReportSpiCall.java:89)
at com.crashlytics.android.core.DefaultCreateReportSpiCall.invoke(DefaultCreateReportSpiCall.java:61)
at com.crashlytics.android.core.CompositeCreateReportSpiCall.invoke(CompositeCreateReportSpiCall.java:18)
at com.crashlytics.android.core.ReportUploader.forceUpload(ReportUploader.java:104)
at com.crashlytics.android.core.ReportUploader$Worker.attemptUploadWithRetry(ReportUploader.java:242)
at com.crashlytics.android.core.ReportUploader$Worker.onRun(ReportUploader.java:185)
at io.fabric.sdk.android.services.common.BackgroundPriorityRunnable.run(BackgroundPriorityRunnable.java:30)
at java.lang.Thread.run(Thread.java:764)
Caused by: java.net.SocketTimeoutException: failed to connect to reports.crashlytics.com/54.221.227.86 (port 443) from /10.119.96.97 (port 54463) after 10000ms
at libcore.io.IoBridge.connectErrno(IoBridge.java:185)
at libcore.io.IoBridge.connect(IoBridge.java:130)
at java.net.PlainSocketImpl.socketConnect(PlainSocketImpl.java:129)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:356)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:356)
at java.net.Socket.connect(Socket.java:616)
at com.android.okhttp.internal.Platform.connectSocket(Platform.java:145)
at com.android.okhttp.internal.io.RealConnection.connectSocket(RealConnection.java:141)
at com.android.okhttp.internal.io.RealConnection.connect(RealConnection.java:112)
at com.android.okhttp.internal.http.StreamAllocation.findConnection(StreamAllocation.java:184)
at com.android.okhttp.internal.http.StreamAllocation.findHealthyConnection(StreamAllocation.java:126)
at com.android.okhttp.internal.http.StreamAllocation.newStream(StreamAllocation.java:95)
at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:281)
at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:224)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:461)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:127)
at com.android.okhttp.internal.huc.HttpURLConnectionImpl.getOutputStream(HttpURLConnectionImpl.java:258)
at com.android.okhttp.internal.huc.DelegatingHttpsURLConnection.getOutputStream(DelegatingHttpsURLConnection.java:218)
at com.android.okhttp.internal.huc.HttpsURLConnectionImpl.getOutputStream(Unknown Source:0)
at io.fabric.sdk.android.services.network.HttpRequest.openOutput(HttpRequest.java:2454)
at io.fabric.sdk.android.services.network.HttpRequest.startPart(HttpRequest.java:2467)
at io.fabric.sdk.android.services.network.HttpRequest.part(HttpRequest.java:2546)
at io.fabric.sdk.android.services.network.HttpRequest.part(HttpRequest.java:2530)
at io.fabric.sdk.android.services.network.HttpRequest.part(HttpRequest.java:2516)
at com.crashlytics.android.core.DefaultCreateReportSpiCall.applyMultipartDataTo(DefaultCreateReportSpiCall.java:89)
at com.crashlytics.android.core.DefaultCreateReportSpiCall.invoke(DefaultCreateReportSpiCall.java:61)
at com.crashlytics.android.core.CompositeCreateReportSpiCall.invoke(CompositeCreateReportSpiCall.java:18)
at com.crashlytics.android.core.ReportUploader.forceUpload(ReportUploader.java:104)
at com.crashlytics.android.core.ReportUploader$Worker.attemptUploadWithRetry(ReportUploader.java:242)
at com.crashlytics.android.core.ReportUploader$Worker.onRun(ReportUploader.java:185)
at io.fabric.sdk.android.services.common.BackgroundPriorityRunnable.run(BackgroundPriorityRunnable.java:30)
at java.lang.Thread.run(Thread.java:764)
我试图在本主题中同时做这两项-this problem，但仍然没有帮助
请帮助！