how to set radio button checked in android programmatically
In your layout you can add android:checked="true" to CheckBox you want to be selected.
Or programmatically, you can use the setChecked method defined in the checkable interface:
RadioButton b = (RadioButton) findViewById(R.id.option1);
b.setChecked(true);android studio radio group horizontal
<RadioGroup
android:id="@+id/radioG"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation='horizontal'>Copyright © 2021 Codeinu
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