(mLeftContent, evaluate(percent, 0.5f, 1.0f));
ViewHelper.setScaleY(mLeftContent, 0.5f + 0.5f *...percent);
// 平移动画: -mWidth / 2.0f -> 0.0f
ViewHelper.setTranslationX(mLeftContent, evaluate...(percent, -mWidth / 2.0f, 0));
// 透明度: 0.5 -> 1.0f
ViewHelper.setAlpha(mLeftContent, evaluate...主面板: 缩放动画
// 1.0f -> 0.8f
ViewHelper.setScaleX(mMainContent, evaluate(percent, 1.0f, 0.8f))...;
ViewHelper.setScaleY(mMainContent, evaluate(percent, 1.0f, 0.8f));
// > 3.