Simple EditText hint clearing

gistfile1.java

/*
  A custom color selector can simulate this coded function.
  This is used to 'clear' the Hint when the user taps an EditText,
  thus allowing a centered text cursor to be unobstructed by the Hint.
*/

// custom edittext
@Override
protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
    super.onFocusChanged(focused, direction, previouslyFocusedRect);

    if (getText().toString().trim().isEmpty()) {
        if (focused) {
            setHint(" ");
            InputMethodManager imm = (InputMethodManager) getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
            imm.showSoftInput(this, InputMethodManager.SHOW_IMPLICIT);
        } else {
            setHint(mHint);
        }
    }
}
    
// color/edit_text_hint_selector.xml
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:color="@android:color/transparent" android:state_selected="true"/>
    <item android:color="@android:color/transparent" android:state_focused="true"/>
    <item android:color="@color/medium_light_grey"/>
</selector>

// styles.xml
<style name="StandardEditText" parent="p1">
    <item name="android:textColorHint">@color/edit_text_hint_selector</item>
</style>