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Sohu Tech Products
Sohu Tech Products
Mar 8, 2023 · Mobile Development

Deep Dive into Android Touch Event Processing: From Kernel to View

This article explains how Android transforms raw touch signals from the hardware into MotionEvent objects, routes them through the InputManagerService, InputReader, and InputDispatcher, and finally delivers them to the appropriate View or ViewGroup, detailing the roles of sockets, InputChannel, and the event‑dispatch chain.

AndroidInputDispatcherInputSystem
0 likes · 48 min read
Deep Dive into Android Touch Event Processing: From Kernel to View
Coolpad Technology Team
Coolpad Technology Team
Mar 24, 2022 · Mobile Development

Understanding and Analyzing Android ANR (Application Not Responding) Issues

This article explains the causes of Android ANR, details the input dispatching mechanism, presents key code paths in InputDispatcher, and provides a step‑by‑step analysis workflow—including system‑level factors, stack inspection, Binder problems, and memory‑related pitfalls—to help developers diagnose and resolve most ANR cases.

ANRAndroidBinder
0 likes · 25 min read
Understanding and Analyzing Android ANR (Application Not Responding) Issues