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CalledFromWrongThreadException in progressbar

 
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I have a progress bar in my app.i am getting below exception when i disable to internet connection while downloading the files.





This is the part of code which contain the pregressbar.


the line 368 which contain errors is "progressBar.setVisibility(View.INVISIBLE);".
 
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Android Eclipse IDE Java
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shawn peter
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I changed the code as below.but same exception


 
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try to make progressbar final.
 
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The exception is pretty straight forward. Post a runnable to the UI thread that you created the progress bar on to update it.



If it seems verbose, clunky, ugly, and bug prone that's because it is. Lambdas should help to reduce the finger exercises when the dalvik bytecode specification is capable of supporting all Java 8 features.
 
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