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並前往https://coderedirect.com/questions/388989/android-how-to-check-if-file-exist-and-else-create-one

Android how to check if file exist and else create one? - Code ...

getFileStreamPath("/sdcard/appname/data.xml"); if(file.exists()) { return; } else { // create a File object for the parent directory File MTdirectory = new ...

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