Summary

In this chapter, we set up the environment for SDK and AOSP. We built the Android emulator images for AOSP. We also tested and compared the Android images in Android SDK and AOSP. All these steps are necessary before we continue exploring how to create our own Android system later. We also spent some time discussing how to set up our own repo mirror. This tip can help us later, when we start to create projects from multiple open source projects. In the next chapter, we will start to explore the architecture of Android. We will look into the details of layers related to the porting and customization of the Android system.