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ByteDance ADFE Team
ByteDance ADFE Team
Jan 25, 2022 · Mobile Development

Root Cause Analysis of Automatic Coupon Redemption Caused by Android Activity Rebirth

This article analyzes a puzzling case where coupons appeared to be redeemed automatically in a mobile app, tracing the issue to Android's activity rebirth mechanism, explaining the lifecycle, memory reclamation, state saving, and presenting a robust fix to prevent the bug.

Activity LifecycleAndroidBug Fix
0 likes · 15 min read
Root Cause Analysis of Automatic Coupon Redemption Caused by Android Activity Rebirth
360 Tech Engineering
360 Tech Engineering
Sep 24, 2018 · Mobile Development

Adapting the Dual‑Instance Plugin Framework to Android P Activity Lifecycle Changes

This article explains how the highly invasive plugin framework "Dual Master" is adapted to Android P by analyzing the refactored Activity lifecycle handling, the EXECUTE_TRANSACTION message flow, and the necessary code modifications for activity placeholder replacement, restoration, and system provider hooking.

Activity LifecycleAndroidAndroid P
0 likes · 11 min read
Adapting the Dual‑Instance Plugin Framework to Android P Activity Lifecycle Changes