In Future if anyone comes here using, Navigation Drawer Activity (provided by Studio in Activity Prompt window)
The answer is -
Use this before OnCreate() in MainActivity
int[][] state = new int[][] {
new int[] {android.R.attr.state_checked}, // checked
new int[] {-android.R.attr.state_checked}
};
int[] color = new int[] {
Color.rgb(255,46,84),
(Color.BLACK)
};
ColorStateList csl = new ColorStateList(state, color);
int[][] state2 = new int[][] {
new int[] {android.R.attr.state_checked}, // checked
new int[] {-android.R.attr.state_checked}
};
int[] color2 = new int[] {
Color.rgb(255,46,84),
(Color.GRAY)
};
ColorStateList csl2 = new ColorStateList(state2, color2);
and use this in onNavigationItemSelected() in MainActivity (you dont need to Write this function if you use Navigation Drawer activity, it will be added in MainActivity).
NavigationView nav = (NavigationView) findViewById(R.id.nav_view);
nav.setItemTextColor(csl);
nav.setItemIconTintList(csl2);
nav.setItemBackgroundResource(R.color.white);
Tip - add this code before If else Condition in onNavigationItemSelected()