The Evolution of Android HAL: Exploring the Four Stages from HAL to HIDL
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No Pain, No Gain!
1. Introduction
Learning Philosophy: Understand one knowledge point at a time
Difficulty: ★★★☆☆
Source Code Environment: Android 9.0+
Hardware Environment: Qcom
Reading Time: 2 minutes
Some classmates in the group have raised questions about HIDL and AIDL. In response to these questions, I plan to output three articles. This article is the first one, analyzing the differences between several modes of HAL and HIDL, followed by a demo to solidify the concepts.
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