将原有项目图片加载框架picasso改为glide,关于picasso和glide文档就自行查阅相关资料
显示 图片 例子
Glide.with(mContext).load(imageUrl).placeholder(defaultDrawable)
.error(defaultDrawable).dontAnimate().into(view) 显示正常
因为项目中头像是圆形利用glide实用圆头像代码如下
Glide.with(mContext)
.load(imageUrl)
.dontAnimate()
//.transform(new GlideRoundTransform(mContext,2))//方形圆解
.transform(new GlideCircleTransform2(mContext))//圆形
.into(view);
GlideCircleTransform2代码
public class GlideCircleTransform2 extends BitmapTransformation { public GlideCircleTransform2(Context context) { super(context); } @Override protected Bitmap transform(BitmapPool pool, Bitmap toTransform, int outWidth, int outHeight) { return circleCrop(pool, toTransform); } private static 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; // TODO this could be acquired from the pool too 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(); } }