android - Display "Download failed" message when application is cleared from the recent apps in mobile -

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i developing project using services aws s3 client (amazon web services) . view contents respective bucket. if content file, use object of transfermanager , download file. download class of aws itself. have written fragment downloading. problem facing is, when clear app recent applications in phone while download running, file isnt downloaded. how , display toast message :download failed", when application cleared recent apps? thank in advance.

you should use service this. when download in progress can show ongoing notification. nice example given here


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