Android圆形图片或者圆角图片的快速实现

Android圆形图片或者圆角图片的快速实现

话不多说直接上code

xml文件布局

初始化控件之后用工具类加载
//第一个参数上下文,第二个控件名称,第三个图片url地址,第四个参数圆角大小
ViewUtils.loadImageRadius(this, mIvpict, stringUrl, 15);//头像

ViewUtils.java工具类

    /**
 * Created by wjw on 2016/11/28
 * 倒圆角工具类
 */

public class ViewUtils {

    /**
     * 图片加载
     * @param context
     * @param iv
     * @param url
     */
    public static void loadImage(Context context, ImageView iv, String url) {
        if(null ==context || null==iv){
            return;
        }
        if(Utils.isTxtEmpty(url)){
            try {
                Glide.with(context).load(R.mipmap.placeholder_icon) .dontAnimate().diskCacheStrategy(DiskCacheStrategy.ALL).into(iv);
            }catch (Exception e){

            }
        }else {
            try {
                Glide.with(context).load(url) .dontAnimate().diskCacheStrategy(DiskCacheStrategy.ALL).placeholder(R.mipmap.placeholder_icon).into(iv);
            } catch (Exception e) {
            }
        }
    }


    public static void loadImage(Context context, ImageView iv, int id) {
        if(null ==context || null==iv){
            return;
        }
        try {
            Glide.with(context).load(id) .dontAnimate().diskCacheStrategy(DiskCacheStrategy.ALL).placeholder(R.mipmap.placeholder_icon).into(iv);
        }catch (Exception e){
        }
    }


    /**
     * 本地图片
     * @param context
     * @param iv
     * @param id
     * @param radius
     */
    public static void loadImage(Context context, ImageView iv, int id,int radius) {
        if(null ==context || null==iv){
            return;
        }
        try {
            Glide.with(context).load(id) .dontAnimate().diskCacheStrategy(DiskCacheStrategy.ALL).
                    transform(new GlideRoundTransform(context, radius)).into(iv);
        }catch (Exception e){

        }

    }

    public static void setImageResource(ImageView iv, int id) {
        if(null!=iv){
            iv.setImageResource(id);
        }
    }


    /**
     * 加载网络图片(带圆角)
     * @param context
     * @param iv
     * @param url
     * @param radius
     */
    public static void loadImageRadius(Context context, ImageView iv, String url, int radius) {
        if(null ==context || null==iv){
            return;
        }
        if(Utils.isTxtEmpty(url)){
            try {
                Glide.with(context).load(R.mipmap.placeholder_icon) .dontAnimate().diskCacheStrategy(DiskCacheStrategy.ALL).
                        transform(new GlideRoundTransform(context, radius)).into(iv);
            }catch (Exception e){
            }
        }else{
            try {
                Glide.with(context).load(url) .dontAnimate().diskCacheStrategy(DiskCacheStrategy.ALL).
                        transform(new GlideRoundTransform(context, radius)).placeholder(R.mipmap.placeholder_icon).into(iv);
            }catch (Exception e){

            }
        }

    }

    /**
     * 加载网络图片(圆形)
     * @param context
     * @param iv
     * @param url
     */
    public static void loadImageCircle(Context context, ImageView iv, String url) {
        if(null ==context || null==iv){
            return;
        }
        if (Utils.isTxtEmpty(url)) {
            try {
                Glide.with(context).load(R.mipmap.placeholder_icon) .dontAnimate().diskCacheStrategy(DiskCacheStrategy.ALL).
                        transform(new GlideCircleTransform(context)).into(iv);
            }catch (Exception e){
            }
        } else {
            try {
                Glide.with(context).load(url) .dontAnimate().diskCacheStrategy(DiskCacheStrategy.ALL).transform(new GlideCircleTransform(context)).
                        placeholder(R.mipmap.placeholder_icon).into(iv);
            }catch (Exception e){
            }
        }
    }
	}

   //圆形图片
    public static class GlideCircleTransform extends BitmapTransformation {
        public GlideCircleTransform(Context context) {
            super(context);
        }

        @Override
        protected Bitmap transform(BitmapPool pool, Bitmap toTransform, int outWidth, int outHeight) {
            return circleCrop(pool, toTransform);
        }

        private Bitmap circleCrop(BitmapPool pool, Bitmap source) {
            if (source == null)
                return null;
            int size = Math.min(source.getWidth(), source.getHeight());
            int x = (source.getWidth() - size) / 2;
            int y = (source.getHeight() - size) / 2;
            Bitmap squared = Bitmap.createBitmap(source, x, y, size, size);
            Bitmap result = pool.get(size, size, Bitmap.Config.ARGB_8888);
            if (result == null) {
                result = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
            }
            Canvas canvas = new Canvas(result);
            Paint paint = new Paint();
            paint.setShader(new BitmapShader(squared, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP));
            paint.setAntiAlias(true);
            float r = size / 2f;
            canvas.drawCircle(r, r, r, paint);
            return result;
        }

        @Override
        public String getId() {
            return getClass().getName();
        }
    }

    //圆角
    public static class GlideRoundTransform extends BitmapTransformation {
        private static float radius = 0f;

        public GlideRoundTransform(Context context) {
            this(context, 4);
        }

        public GlideRoundTransform(Context context, int dp) {
            super(context);
            this.radius = Resources.getSystem().getDisplayMetrics().density * dp;
        }

        @Override
        protected Bitmap transform(BitmapPool pool, Bitmap toTransform, int outWidth, int outHeight) {
            return roundCrop(pool, toTransform);
        }

        private static Bitmap roundCrop(BitmapPool pool, Bitmap source) {
            if (source == null)
                return null;

            Bitmap result = pool.get(source.getWidth(), source.getHeight(), Bitmap.Config.ARGB_8888);
            if (result == null) {
                result = Bitmap.createBitmap(source.getWidth(), source.getHeight(), Bitmap.Config.ARGB_8888);
            }

            Canvas canvas = new Canvas(result);
            Paint paint = new Paint();
            paint.setShader(new BitmapShader(source, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP));
            paint.setAntiAlias(true);
            RectF rectF = new RectF(0f, 0f, source.getWidth(), source.getHeight());
            canvas.drawRoundRect(rectF, radius, radius, paint);
            return result;
        }

        @Override
        public String getId() {
            return getClass().getName() + Math.round(radius);
        }
    }

效果如图