There are various instances of this issue that we get such as JAVAC’, JRE, ‘MVN’, JAR’ is not recognized as an internal or external command, operable program or batch file, ‘Java’ is not recognized as ...

I am trying to fetch a zip file from our server. When the request finishes app crashes with the following stack trace: E/AndroidRuntime: FATAL EXCEPTION: AsyncTask #1 ...

在Android中，我们更新UI的操作必须要在主线程（UI线程）中进行，而下载图片、文件这种操作必须要在子线程中进行，Android为我们提供了Handler机制，实现了子线程与主线程之间的通信。通常做法就是先new出一个子线程Thread，在子线程中完成下载操作后，通过 ...

at android.os.AsyncTask$3.done(AsyncTask.java:300) at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:355) at java.util.concurrent.FutureTask ...

In the below example I have clearly described how to use AsyncTask. First of all you should know what is AsyncTask ? AsyncTask is an abstract class provided by android which helps us to use the UI ...

An Asynctask doesn't depend on Activity life-cycle that contains it. Like if we start an AsyncTask inside an Activity and then we rotates the device, the Activity will be destroyed at that point but ...