Top 12 tips to get ready for Android 12
summary
Android 12 makes twelve concrete platform changes: foreground services blocked from background with migration to expedited jobs for short high‑priority work; mic and camera toggles yield blank feeds while APIs still return calls; app hibernation revokes permissions and clears cache; new bluetooth_scan and bluetooth_connect permissions; getHardwareAddress returns a placeholder; exported must be explicit in manifests; notifications use standard templates; app links verification is per‑link; WebView sameSite cookie changes affect logins; overscroll becomes a stretch effect.
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