Android TextView设置阴影效果

前言

UE需要在android的文字上加上阴影效果，之前不知道原来TextView有这样一个属性可以设置文字阴影~记录一下

代码实现

    /**     * Gives the text a shadow of the specified blur radius and color, the specified     * distance from its drawn position.     *      * The text shadow produced does not interact with the properties on view     * that are responsible for real time shadows,     * {@link View#getElevation() elevation} and     * {@link View#getTranslationZ() translationZ}.     *     * @see Paint#setShadowLayer(float, float, float, int)     *     * @attr ref android.R.styleable#TextView_shadowColor     * @attr ref android.R.styleable#TextView_shadowDx     * @attr ref android.R.styleable#TextView_shadowDy     * @attr ref android.R.styleable#TextView_shadowRadius     */    public void setShadowLayer(float radius, float dx, float dy, int color) {        mTextPaint.setShadowLayer(radius, dx, dy, color);        mShadowRadius = radius;        mShadowDx = dx;        mShadowDy = dy;        mShadowColor = color;        // Will change text clip region        if (mEditor != null) {            mEditor.invalidateTextDisplayList();            mEditor.invalidateHandlesAndActionMode();        }        invalidate();    }

备注： shadowRadius是阴影模糊半径

前言

代码实现

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