Xiaomi Redmi Note 8 64Gb+6Gb Dual LTE [119/132] Usage history
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the policy MUST compile with all neverallow rules present, for both AOSP SELinux
domains as well as device/vendor specific domains.
[C-1-5] MUST run third-party applications targeting API level 28 or higher in per-
application SELinux sandboxes with per-app SELinux restrictions on each application's
private data directory.
SHOULD retain the default SELinux policy provided in the system/sepolicy folder of the
upstream Android Open Source Project and only further add to this policy for their own
device-specific configuration.
If device implementations use kernel other than Linux, they:
[C-2-1] MUST use a mandatory access control system that is equivalent to SELinux.
Android contains multiple defense-in-depth features that are integral to device security.
Device implementations:
[C-SR] Are STRONGLY RECOMMENDED not to disable Control-Flow Integrity (CFI) or
Integer Overflow Sanitization (IntSan) on components that have it enabled.
[C-SR] Are STRONGLY RECOMMENDED to enable both CFI and IntSan for any additional
security-sensitive userspace components as explained in CFI and IntSan .
9.8. Privacy
9.8.1. Usage History
Android stores the history of the user's choices and manages such history by UsageStatsManager .
Device implementations:
[C-0-1] MUST keep a reasonable retention period of such user history.
[SR] Are STRONGLY RECOMMENDED to keep the 14 days retention period as configured
by default in the AOSP implementation.
Android stores the system events using the StatsLog identifiers, and manages such history via the
StatsManager and the IncidentManager System API.
Device implementations:
[C-0-2] MUST only include the fields marked with DEST_AUTOMATIC in the incident report
created by the System API class IncidentManager .
[C-0-3] MUST not use the system event identifiers to log any other event than what is
described in the StatsLog SDK documents. If additional system events are logged, they
MAY use a different atom identifier in the range between 100,000 and 200,000.
9.8.2. Recording
Device implementations:
[C-0-1] MUST NOT preload or distribute software components out-of-box that send the
user's private information (e.g. keystrokes, text displayed on the screen) off the device
without the user's consent or clear ongoing notifications.
If device implementations include functionality in the system that captures the contents displayed on
the screen and/or records the audio stream played on the device, they:
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- Compatibility definition p.1
- Android 9 p.1
- Background restriction p.2
- Web compatibility p.2
- Automotive requirements p.2
- Watch requirements p.2
- Api namespaces p.2
- User interface compatibility p.2
- Api behavioral compatibility p.2
- Television requirements p.2
- Android library p.2
- Tablet requirements p.2
- Android extensions p.2
- Software p.2
- Soft api compatibility p.2
- Runtime compatibility p.2
- Native api compatibility p.2
- Managed api compatibility p.2
- Introduction p.2
- Handheld requirements p.2
- Document structure p.2
- Device types p.2
- Device configurations p.2
- Media codecs p.3
- Accessibility p.3
- Managed user support p.3
- Instant apps p.3
- Heavyweight apps p.3
- Hardware compatibility p.3
- Display and graphics p.3
- Video encoding p.3
- Video decoding p.3
- Device administration p.3
- Tv input framework p.3
- Developer tools and options compatibility p.3
- Text to speech p.3
- Developer tools p.3
- Secure media p.3
- Developer options p.3
- Quick settings p.3
- Companion device pairing p.3
- Professional audio p.3
- Capture for unprocessed p.3
- Network protocols p.3
- Audio recording p.3
- Musical instrument digital interface midi p.3
- Audio playback p.3
- Multimedia compatibility p.3
- Audio latency p.3
- Media ui p.3
- Application packaging compatibility p.3
- Pose sensor p.4
- Memory and storage p.4
- Input devices p.4
- Data connectivity p.4
- Cameras p.4
- Sensors p.4
- Updatable software p.5
- Software compatibility testing p.5
- Security model compatibility p.5
- Performance and power p.5
- Document changelog p.5
- Contact us p.5
- Requirements by device type p.6
- Requirement id p.6
- Introduction p.6
- Document structure p.6
- Requirement id in section 2 p.7
- Hardware p.7
- Handheld requirements p.7
- Device types p.7
- Device configurations p.7
- Multimedia p.10
- Software p.11
- Performance and power p.12
- Television requirements p.13
- Security model p.13
- Hardware p.14
- Multimedia p.15
- Software p.16
- Performance and power p.17
- Watch requirements p.18
- Software p.18
- Multimedia p.18
- Hardware p.18
- Performance and power p.19
- Hardware p.19
- Automotive requirements p.19
- Software p.22
- Multimedia p.22
- Performance and power p.23
- Tablet requirements p.24
- Software p.24
- Security model p.24
- Hardware p.24
- Managed api compatibility p.25
- Android library p.25
- Android extensions p.25
- Soft api compatibility p.26
- Permissions p.26
- Build parameters p.26
- Intent compatibility p.29
- Activities on secondary displays p.31
- Application binary interfaces p.32
- Native api compatibility p.32
- Bit arm native code compatibility p.33
- Webview compatibility p.34
- Web compatibility p.34
- Browser compatibility p.34
- Api behavioral compatibility p.35
- Background restriction p.36
- Api namespaces p.36
- Runtime compatibility p.37
- User interface compatibility p.39
- Launcher home screen p.39
- Widgets p.40
- Notifications p.40
- Search p.42
- Alerts and toasts p.42
- Live wallpapers p.43
- Themes p.43
- Lock screen media control p.44
- Input management p.44
- Activity switching p.44
- Unicode and font p.45
- Screen savers previously dreams p.45
- Multi windows p.45
- Location p.45
- Display cutout p.46
- Device administration p.46
- Device provisioning p.47
- Managed profile support p.48
- Text to speech p.49
- Managed user support p.49
- Accessibility p.49
- Instant apps p.50
- Tv input framework p.50
- Quick settings p.50
- Media ui p.50
- Heavyweight apps p.51
- Companion device pairing p.51
- Application packaging compatibility p.51
- Multimedia compatibility p.52
- Media codecs p.53
- Audio encoding p.53
- Audio decoding p.53
- Audio codecs details p.54
- Image encoding p.55
- Image decoding p.55
- Video codecs list p.56
- Video codecs p.56
- Image codecs details p.56
- Video encoding p.57
- Video decoding p.59
- Mpeg 4 p.59
- Mpeg 2 p.59
- H 65 hevc p.60
- Raw audio capture p.61
- Audio recording p.61
- Capture for voice recognition p.62
- Capture for rerouting of playback p.62
- Raw audio playback p.63
- Audio playback p.63
- Audio output volume p.63
- Audio latency p.63
- Audio effects p.63
- Network protocols p.65
- Musical instrument digital interface midi p.66
- Secure media p.66
- Professional audio p.66
- Capture for unprocessed p.68
- Developer tools and options compatibility p.69
- Developer tools p.69
- Hardware compatibility p.71
- Display and graphics p.71
- Developer options p.71
- Screen configuration p.72
- Screen orientation p.74
- Display metrics p.74
- D and 3d graphics acceleration p.74
- Secondary displays p.77
- Screen technology p.77
- Legacy application compatibility mode p.77
- Input devices p.78
- Non touch navigation p.78
- Navigation keys p.78
- Keyboard p.78
- Touchscreen input p.79
- Fake touch input p.80
- Game controller support p.81
- Sensors p.82
- Remote control p.82
- Accelerometer p.83
- Magnetometer p.84
- Gyroscope p.86
- Thermometer p.87
- Photometer p.87
- Barometer p.87
- Proximity sensor p.88
- High fidelity sensors p.88
- Biometric sensors p.90
- Android automotive only sensors p.92
- Telephony p.93
- Pose sensor p.93
- Data connectivity p.93
- Ieee 802 1 wi fi p.94
- Bluetooth p.97
- Near field communications p.98
- Minimum network capability p.100
- Sync settings p.101
- Secure elements p.101
- Rear facing camera p.101
- Data saver p.101
- Cameras p.101
- Front facing camera p.102
- Camera api behavior p.103
- External camera p.103
- Memory and storage p.104
- Camera orientation p.104
- Minimum memory and storage p.105
- Application shared storage p.105
- Usb peripheral mode p.106
- Adoptable storage p.106
- Usb host mode p.107
- Microphone p.108
- Audio output p.108
- Near ultrasound p.109
- Virtual reality mode high performance p.110
- Virtual reality mode p.110
- Virtual reality p.110
- Performance and power p.112
- File i o access performance p.112
- User experience consistency p.112
- Power saving modes p.112
- Power consumption accounting p.113
- Consistent performance p.113
- Security model compatibility p.114
- Permissions p.114
- Uid and process isolation p.115
- Filesystem permissions p.115
- Multi user support p.116
- Alternate execution environments p.116
- Security features p.117
- Premium sms warning p.117
- Usage history p.119
- Recording p.119
- Privacy p.119
- Connectivity p.120
- Network traffic p.120
- Data storage encryption p.120
- File based encryption p.121
- Direct boot p.121
- Full disk encryption p.122
- Device integrity p.122
- Keys and credentials p.123
- Secure lock screen p.124
- Strongbox p.127
- Safe boot mode p.128
- Data deletion p.128
- Subscription plans p.129
- Software compatibility testing p.129
- Compatibility test suite p.129
- Automotive vehicle system isolation p.129
- Cts verifier p.130
- Updatable software p.130
- Document changelog p.131
- Changelog viewing tips p.131
- Contact us p.132
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