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Writing in the file

I am making an app which creates a floder. In that folder it I am creating a file and writing Radha in it. but it shows Hello World, CreateActivity the code is

Create.java

public class CreateActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);
    //Context ctx = getApplicationContext(); 

    try { 
        File myDir = new File(getFilesDir().getAbsolutePath()); 
        String s = ""; 

        FileWriter fw = new FileWriter(myDir + "/Test.txt"); 
        fw.write("Radha"); 
        fw.close(); 

        BufferedReader br = new BufferedReader(new FileReader(myDir + "/Test.txt")); 
        s = br.readLine(); 

        // Set TextView text here using tv.setText(s); 

    } catch (FileNotFoundException e) { 
        e.printStackTrace(); 
    } catch (IOException e) { 
        e.printStackTrace(); 
    } 
} 

What you write into the file has nothing to do with what's on the screen. Check the layout xml (res/layout/main.xml). (You are using this when you call setContentView(R.layout.main); .) The layout probably references a string resource that can be found in res/values/strings.xml. Change that string to change what's displayed on the screen.

I suggest that you go through the Hello World tutorial for Android to gain an understanding of these fundamentals.

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