TextView.java 文件源码

@Override
protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
    if (mTemporaryDetach) {
        // If we are temporarily in the detach state, then do nothing.
        super.onFocusChanged(focused, direction, previouslyFocusedRect);
        return;
    }

    if (mEditor != null) mEditor.onFocusChanged(focused, direction);

    if (focused) {
        if (mText instanceof Spannable) {
            Spannable sp = (Spannable) mText;
            MetaKeyKeyListener.resetMetaState(sp);
        }
    }

    startStopMarquee(focused);

    if (mTransformation != null) {
        mTransformation.onFocusChanged(this, mText, focused, direction, previouslyFocusedRect);
    }

    super.onFocusChanged(focused, direction, previouslyFocusedRect);
}