1-keep public class * { 2 public void setBackgroundAlpha(float); 3 public float getBackgroundAlpha(); 4 public void setContentAlpha(float); 5 public float getContentAlpha(); 6 public void setAlpha(float); 7 public float getAlpha(); 8 public void setAlpha(int); 9 public int getAlpha(); 10 public void setRotationX(float); 11 public float getRotationX(); 12 public void setRotationY(float); 13 public float getRotationY(); 14 public void setPivotX(float); 15 public float getPivotX(); 16 public void setPivotY(float); 17 public float getPivotY(); 18 public void setScaleX(float); 19 public float getScaleX(); 20 public void setScaleY(float); 21 public float getScaleY(); 22 public void setTranslationX(float); 23 public float getTranslationX(); 24 public void setTranslationY(float); 25 public float getTranslationY(); 26} 27 28