How to add a button dynamically in Android?

by 
Button myButton = new Button(this);
myButton.setText("Push Me");

LinearLayout ll = (LinearLayout)findViewById(R.id.buttonlayout);
LayoutParams lp = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
ll.addView(myButton, lp);

Have a look to this example

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