package com.cwli;

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

import android.app.Activity;
import android.content.Context;
import android.content.ContextWrapper;
import android.os.Bundle;

public class Internal_storage_create_readActivity extends Activity {
    private static final String IDS_LIST_FILE_NAME = null;

    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        try {
            createReadStorage();
        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
    
    public void createReadStorage() throws IOException
    {
        String FILENAME = "hello_file";
        String string = "hello from internal..storage!";

        FileOutputStream fos = null;
        try {
            fos = openFileOutput(FILENAME, Context.MODE_PRIVATE);
        } catch (FileNotFoundException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        try {
            fos.write(string.getBytes());
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();            
        }
        
        try {
            fos.close();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        
         InputStream instream = openFileInput(FILENAME);

            if (instream != null) {
                // prepare the file for reading
                InputStreamReader inputreader = new InputStreamReader(instream);
                BufferedReader buffreader = new BufferedReader(inputreader);

                String line;

                // read every line of the file into the line-variable, on line at the time
                while (( line = buffreader.readLine()) != null) {
                    System.out.println("--------------------------------");
                    System.out.println(line);
                    System.out.println("--------------------------------");
                }

              }

        
        
    }
}

package com.cwli;

import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;

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

public class Internal_storage_readActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        try {
            lezen();
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
    
    public void lezen() throws IOException 
    {
    
    String FILENAME = "hello_file";
    InputStream instream = openFileInput(FILENAME);

    if (instream != null) 
    {
        // prepare the file for reading
        InputStreamReader inputreader = new InputStreamReader(instream);
        BufferedReader buffreader = new BufferedReader(inputreader);

        String line;

        // read every line of the file into the line-variable, on line at the time
        while (( line = buffreader.readLine()) != null) 
        {
            System.out.println("--------------------------------");
            System.out.println(line);
            System.out.println("--------------------------------");
        }

    
        
        }
    }
}