고수를 꿈꾸며

<manifest ...>

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

</manifest>

<manifest ...>

<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>

</manifest>

File file = new File(context.getFilesDir(), filename);

String filename = "myfile";

String string = "Hello world";

FileOutputStream outputStream;

try{

outputStream = openFileOutput( filename, Context.MODE_PRIVATE);

outputStream.write( string.getBytes());

outputStream.close();

}catch( Exception e){

e.printStackTrace();

}

public File getTempFile( Context context, String url){

File file;

try{

String fileName = Uri.parse(url).getLastPathSegment();

file = File.createTempFile( fileName, null, context.getCacheDir());

}catch( IOException e){

}

return file;

}

public boolean isExternalStorageWritable(){

String state = Environment,getExternalStorageState();

if( Environment.MEDIA_MOUNTED.equals( state)){

return true;

}

return false;

}

public boolean isExternalStorageReadable(){

String state = Environment.getExternalStorageState();

if( Environment.MEDIA_MOUNTED.equals( state) ||

Environment.MEDIA_MOUNTED_READ_ONLY.equals( state)){

return true;

}

return false;

}

public File getAlbumStorageDir( String albumName){

File file = new File( Environment.getExternalStoragePublicDirectory( Environment.DIRECTORY_PICTURES), 

albumName

);

if( !file.mkdir()){

Log.e( LOG_TAG, "Directory not created");

}

return file;

}

public File getAlbumStorageDir( String albumName){

File file = new File( Environment.getExternalFilesDir( Environment.DIRECTORY_PICTURES), 

albumName

);

// root 디렉토리 얻기

// file = new File( Environment.getExternalFilesDir( null)); 

if( !file.mkdir()){

Log.e( LOG_TAG, "Directory not created");

}

return file;

}

getFreeSpace(), getTotalSpace() 로 확인할 수 있다.

myFile.delete();

myContext.deleteFile( fileName);