FileWriter f = new FileWriter("impossible.txt");
// throws: 'java.io.FileNotFoundException: /impossible.txt '

       try { // catches IOException below
               final String TESTSTRING = new String("Hello Android");
               
               // ##### Write a file to the disk #####
               /* We have to use the openFileOutput()-method
                * the ActivityContext provides, to
                * protect your file from others and
                * This is done for security-reasons.
                * We chose MODE_WORLD_READABLE, because
                *  we have nothing to hide in our file */        
               FileOutputStream fOut = openFileOutput("samplefile.txt",
                                        MODE_WORLD_READABLE);
               OutputStreamWriter osw = new OutputStreamWriter(fOut); 

               // Write the string to the file
               osw.write(TESTSTRING);
               /* ensure that everything is
                * really written out and close */
               osw.flush();
               osw.close();

               // ##### Read the file back in #####
               
               /* We have to use the openFileInput()-method
                * the ActivityContext provides.
                * Again for security reasons with
                * openFileInput(...) */
               FileInputStream fIn = openFileInput("samplefile.txt");
               InputStreamReader isr = new InputStreamReader(fIn);
               /* Prepare a char-Array that will
                * hold the chars we read back in. */
               char[] inputBuffer = new char[TESTSTRING.length()];
               // Fill the Buffer with data from the file
               isr.read(inputBuffer);
               // Transform the chars to a String
               String readString = new String(inputBuffer);
               
               // Check if we read back the same chars that we had written out
               boolean isTheSame = TESTSTRING.equals(readString);

               // WOHOO lets Celebrate =)
               Log.i("File Reading stuff", "success = " + isTheSame);

          } catch (IOException ioe) {
               ioe.printStackTrace();
          }

public boolean deleteFile(String name)
// Delete the given private file associated with this Context's application package.

FileWriter f = new FileWriter("/sdcard/download/impossible.txt");

if (files[i].equals("samplefile.txt")) {
                    File f = new File("files", files[i]);
                   
                    if (f.exists()) {
                        Log.v(TAG, "File exists! " + f.getAbsolutePath());
                    }
                    else {
                        Log.v(TAG, "File NOT exists! " + f.getAbsolutePath());
                    }
                   
                    if (f.delete()) {
                        Log.v(TAG, "File deleted!");
                    }
                    else {
                        Log.v(TAG, "File NOT deleted! " + f.getAbsolutePath());
                    }
                }

public boolean deleteFile(String name)
// Delete the given private file associated with this Context's application package.

package caasd.mitre.Import_XML;

import org.xmlpull.v1.XmlPullParser;

import android.app.Activity;
import android.os.Bundle;


public class Import_XML extends Activity {
    // Called when the activity is first created.
    @Override
    public void onCreate(Bundle icicle) {
        super.onCreate(icicle);
        setContentView(R.layout.main);
       
        // Get XML
        XmlPullParser xpp = ctx.getResource().getXml(R.xml.sample);
       
        int eventType = xpp.getEventType();
       
        while (eventType != XmlPullParser.END_DOCUMENT)
        {
          if (eventType == XmlPullParser.START_TAG)
               {
                    // parse stuff
               }
          else if (eventType == XmlPullParser.END_TAG)
               {
                    // parse stuff
               }
          eventType = xpp.next();
        }
    }
}

     SAXParserFactory spf = SAXParserFactory.newInstance();
     SAXParser sp = spf.newSAXParser();
                         
     XMLReader xr = sp.getXMLReader();
     xr.setContentHandler(new CUSTOMHANDLER());
     xr.parse(new InputSource(INPUT_STREAM));

FileInputStream fIn = openFileInput("/data/data/com.myname.android/files/JScript.htm")