[英]asynctask errors after android studio update
應用程序沒有錯誤,但 asyntask.java 有錯誤,關於注釋,我該怎么辦?
導入 android.annotation.MainThread;
導入 android.annotation.Nullable;
導入 android.annotation.WorkerThread;
導入 android.compat.annotation.UnsupportedAppUsage;
無法解析符號“主線程”
android.annotation.Nullable' 在 'android.annotation' 中不公開。 無法從 package 外部訪問
無法解析符號“WorkerThread”
無法解析符號“注釋”
E/AndroidRuntime: FATAL EXCEPTION: AsyncTask #1
Process: com.faysoft.shbmtal, PID: 8632
java.lang.RuntimeException: An error occurred while executing doInBackground()
at android.os.AsyncTask$4.done(AsyncTask.java:415)
at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:383)
at java.util.concurrent.FutureTask.setException(FutureTask.java:252)
at java.util.concurrent.FutureTask.run(FutureTask.java:271)
at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:305)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
at java.lang.Thread.run(Thread.java:923)
Caused by: org.w3c.dom.DOMException: Only one root element allowed
at org.apache.harmony.xml.dom.DocumentImpl.insertChildAt(DocumentImpl.java:420)
at org.apache.harmony.xml.dom.InnerNodeImpl.appendChild(InnerNodeImpl.java:52)
at org.apache.harmony.xml.parsers.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:307)
at org.apache.harmony.xml.parsers.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:128)
Cause by
行指向某些解析異常,您的數據源已更改,而不是 Android Studio
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