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2014/10/16 ¤W¤È 08:23:01
android Programming Glossary: root.canwriteCannot write to SD card — canWrite is returning false http://stackoverflow.com/questions/2623516/cannot-write-to-sd-card-canwrite-is-returning-false I'm doing the following to write a simple string to a file try File root Environment.getExternalStorageDirectory if root.canWrite System.out.println Can write. File def_file new File root default.txt FileWriter fw new FileWriter def_file BufferedWriter.. out.write defbuf out.flush out.close else System.out.println Can't write. catch IOException e e.printStackTrace But root.canWrite seems to be returning false everytime. I am not running this off of an emulator I have my android Eris plugged into my computer..
Permission to write on SD card android http://stackoverflow.com/questions/3925813/permission-to-write-on-sd-card-android FileOutputStream fos null ObjectOutputStream out null try File root Environment.getExternalStorageDirectory if root.canWrite fos new FileOutputStream saveFileName out new ObjectOutputStream fos out.writeObject arrlEvents result File written out.close.. result public boolean readFromFile return false I have not implemented the readFromFile yet. The problem is that root.canWrite returns false all the time. Here is the manifest file uses permission android name android.permission.WRITE_EXTERNAL_STORAGE..
How to programatically create and read WEP/EAP WiFi configurations in Android? http://stackoverflow.com/questions/4374862/how-to-programatically-create-and-read-wep-eap-wifi-configurations-in-android try File root Environment.getExternalStorageDirectory Toast toast Toast.makeText this SD CARD mounted and writable root.canWrite 5000 toast.show if root.canWrite File gpxfile new File root ReadConfigLog.txt FileWriter gpxwriter new FileWriter gpxfile.. Toast toast Toast.makeText this SD CARD mounted and writable root.canWrite 5000 toast.show if root.canWrite File gpxfile new File root ReadConfigLog.txt FileWriter gpxwriter new FileWriter gpxfile out new BufferedWriter gpxwriter..
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