与drawable相关的一些操作

DrawableUtils.java

import android.graphics.drawable.Drawable;
import android.graphics.PorterDuff;
import android.support.annotation.ColorInt;
import android.support.v4.graphics.drawable.DrawableCompat;
import android.widget.ImageView;

public class DrawableUtils {
  /**
  * 以SRC_ATOP的方式改变imageview图片的颜色
  */
  public static void changeImageDrawable(ImageView imageView, @ColorInt int color) {
      Drawable drawable = imageView.getDrawable();
      drawable = DrawableCompat.wrap(drawable);
      DrawableCompat.setTint(drawable, color);
      DrawableCompat.setTintMode(drawable, PorterDuff.Mode.SRC_ATOP);
      imageView.setImageDrawable(drawable);
  }
}