how to create the textview in code not in xml file. It is because number of textviews will be changing in my application according to some integer.
Something like the following should be what you need:
final int N = 10; // total number of textviews to add
final TextView[] myTextViews = new TextView[N]; // create an empty array;
for (int i = 0; i < N; i++) {
// create a new textview
final TextView rowTextView = new TextView(this);
// set some properties of rowTextView or something
rowTextView.setText("This is TextView #" + i);
// add the textview to the linearlayout
myLinearLayout.addView(rowTextView);
// save a reference to the textview for later
myTextViews[i] = rowTextView;
}