public void mOnClick(View v) {
switch (v.getId()) {
case R.id.test:
String rootdir = Environment.getRootDirectory().getAbsolutePath();
String datadir = Environment.getDataDirectory().getAbsolutePath();
String cachedir = Environment.getDownloadCacheDirectory().getAbsolutePath();
mEdit.setText(
String.format(
"ext = %s\nroot=%s\ndata=%s\ncache=%s", mSdPath, rootdir, datadir, cachedir));
break;
case R.id.save:
File dir = new File(mSdPath + "/dir");
dir.mkdir();
File file = new File(mSdPath + "/dir/file.txt");
try {
FileOutputStream fos = new FileOutputStream(file);
String str = "This file exists in SDcard";
fos.write(str.getBytes());
fos.close();
mEdit.setText("write success");
} catch (FileNotFoundException e) {
mEdit.setText("File Not Found." + e.getMessage());
} catch (SecurityException e) {
mEdit.setText("Security Exception");
} catch (Exception e) {
mEdit.setText(e.getMessage());
}
break;
case R.id.load:
try {
FileInputStream fis = new FileInputStream(mSdPath + "/dir/file.txt");
byte[] data = new byte[fis.available()];
while (fis.read(data) != -1) {;
}
fis.close();
mEdit.setText(new String(data));
} catch (FileNotFoundException e) {
mEdit.setText("File Not Found");
} catch (Exception e) {;
}
break;
}
}
@Override
protected String doInBackground(String... arg0) {
// TODO Auto-generated method stub
String data = null;
FileInputStream fis = null;
for (int i = 0; i < 25; i++) {
// referencing progressupdate method
publishProgress(4);
try {
Thread.sleep(100);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
dial.dismiss();
try {
fis = openFileInput(FILENAME);
byte[] arr = new byte[fis.available()]; // getting number of bytes in fis
while (fis.read(arr) != -1) ; // reading the bytes in fis
{
data = new String(arr);
}
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
try {
fis.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
return data;
}