java - How can I get the external sd card of a phone? Android -

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i working on file manager android , training purpose. having issues trying external sd card of phone. tried many of solutions on here, none of them allow happen. how can this? have file adapater set takes file objects , lists them in listview. internal sd card, used enviorment.getexternalstorage() method, works phones sd card built in. know path sd card different every manufacturer, how can accomplish this? trying ask is


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