Android – 自动隐藏的TextView

public class AutoHidingTextView extends AppCompatTextView {
    public AutoHidingTextView(Context context) {
        super(context);
    }

    public AutoHidingTextView(Context context, @Nullable AttributeSet attrs) {
        super(context, attrs);
    }

    @Override
    public void setText(CharSequence text, BufferType type) {
        super.setText(text, type);
        if (TextUtils.isEmpty(text) || TextUtils.getTrimmedLength(text) == 0) {
            setVisibility(GONE);
        } else {
            setVisibility(VISIBLE);
        }
    }
}