2. Tutorials
  3. Picasso — App Release Preparation

Picasso — App Release Preparation

Google highly recommends to use ProGuard for release builds which get distributed via Google Play. We’ll guide you through the basic setup of ProGuard and show you how to configure Picasso in the phase of release preparation.

First, let’s get a wrap up about ProGuard and afterwards we dive into exemplary ProGuard rules to keep your app working when compiling it with ProGuard enabled.

If you want to catch up on other Picasso tutorials, check out the series overview:

Picasso Series Overview

  1. Getting Started & Simple Loading
  2. Advanced Loading
  3. Adapter Use (ListView, GridView, ...)
  4. How to Deal with Null/Empty Values (in ListViews)
  1. Placeholders, Errors, and Fading
  2. Image Resizing, Scaling and fit()
  3. Callbacks, RemoteViews and Notifications
  4. Advanced ListViews With Images
  5. Image Loading for RecyclerView and CardView
  1. Ordering Requests by Image Priority
  2. Request Management by Grouping of Images via Tag()
  1. Image Rotation and Transformation
  2. Additional Transformations with Transformation Library
  1. Influencing Image Caching
  2. Cache Indicators, Logging & Stats
  3. Catching and Analyzing Errors
  4. Log Image Loading with Stetho and Chrome Developer Tools
  1. Customizing Picasso with Picasso.Builder
  2. Custom Request Handlers


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Norman Peitek

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