public static Bitmap blurBitmap(Context context, Bitmap bitmap) {
 //用需要?jiǎng)?chuàng)建高斯模糊bitmap創(chuàng)建一個(gè)空的bitmap
Bitmap outBitmap = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Bitmap.Config.ARGB_8888);
 // 初始化Renderscript，該類提供了RenderScript context，創(chuàng)建其他RS類之前必須先創(chuàng)建這個(gè)類，其控制RenderScript的初始化，資源管理及釋放
 RenderScript rs = RenderScript.create(context);
 // 創(chuàng)建高斯模糊對(duì)象
 ScriptIntrinsicBlur blurScript = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs));
 // 創(chuàng)建Allocations，此類是將數(shù)據(jù)傳遞給RenderScript內(nèi)核的主要方 法，并制定一個(gè)后備類型存儲(chǔ)給定類型
 Allocation allIn = Allocation.createFromBitmap(rs, bitmap);
 Allocation allOut = Allocation.createFromBitmap(rs, outBitmap);
 //設(shè)定模糊度(注：Radius最大只能設(shè)置25.f)
 blurScript.setRadius(15.f);
 // Perform the Renderscript
 blurScript.setInput(allIn);
 blurScript.forEach(allOut);
 // Copy the final bitmap created by the out Allocation to the outBitmap
 allOut.copyTo(outBitmap);
 // recycle the original bitmap
 // bitmap.recycle();
 // After finishing everything, we destroy the Renderscript.
 rs.destroy();
 return outBitmap;
 }

compile 'com.github.bumptech.glide:glide:3.7.0'
compile 'jp.wasabeef:glide-transformations:2.0.1' 

Glide.with(context).load(R.drawable.defalut_photo).bitmapTransform(new BlurTransformation(context, radius)).into(mImageView);