Picasso.java

compile 'com.jakewharton.picasso:picasso2-okhttp3-downloader:1.0.2'



Picasso picasso = new Picasso.Builder(getApplicationContext())
                .downloader(new OkHttp3Downloader(this))
                .build();

        //picasso.setIndicatorsEnabled(true);


        try {
            Picasso.setSingletonInstance(picasso);
        } catch (IllegalStateException ignored) {
            // Picasso instance was already set
            // cannot set it after Picasso.with(Context) was already in use
        }


  Picasso.with(mactivity)
                    .load(new File(imagelist.get(position)))
                    .fit()
                    .tag(this)
                    .into(holder.imageView);