How to add a string in string.xml using Java code, in Android?

Question

I have created two EditText objects in the Java code of My android application, as

final EditText et1=(EditText)findViewById(R.id.editText1);
final EditText et2=(EditText)findViewById(R.id.editText2);

then on the onClick() event of a button, called a method with parameters as-

addStringToXmlFile(et1.getText(),et2.getText());

now in the definition of this method below, i have written-

private void addStringToXmlFile(Editable editable1,Editable editable2){
        String s1=new String();
        s1=editable1.toString();

        String s2=new String();
        s2=editable2.toString();
}

The problem is that, now i want to use these two String objects s1,s2, to make two entries in the res/values/Strings.xml file of the database, & I don't know how to do it.

please guide me further.

you can just do String s2 = editable2.toString(); you don't need to initialize the string before assigning it — dymmeh
– dymmeh, Commented Mar 12, 2012 at 21:39

Sam Dozor · Accepted Answer · 2012-03-12 21:41:34Z

1

This is not possible - an app's apk (including it's resources) can not be changed at runtime. I'm not entirely sure of all of the reasons why, but one obvious thing I can think of is that R.java needs to contain a reference to your String in order for you to access it, and this file is generated by the compiler when you create the APK.

If you need to persist a String across sessions, you should look into using one of several data storage mechanisms that Android provides, such as SharedPreferences.

answered Mar 12, 2012 at 21:41

Sam Dozor

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dymmeh · Accepted Answer · 2012-03-12 21:38:33Z

0

Take a look into using SharedPreferences to store your string values instead.

//Saving your strings
SharedPreferences prefs = this.getSharedPreferences("myPrefsKey", Context.MODE_PRIVATE);
Editor editor = prefs.edit();
editor.putString("s1", s1);
editor.putString("s2", s2);
editor.commit();

//retrieving your strings from preferences
SharedPreferences prefs = this.getSharedPreferences("myPrefsKey", Context.MODE_PRIVATE);
String s1 = prefs.getString("s1", ""); //empty string is the default value
String s2 = prefs.getString("s2", ""); //empty string is the default value

answered Mar 12, 2012 at 21:38

dymmeh

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