Xiaomi Redmi Note 8 64Gb+6Gb Dual LTE [12/132] Performance and power
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If Android Handheld device implementations support a lock screen, they:
[ 3.8 .10/H-1-1] MUST display the Lock screen Notifications including the Media
Notification Template.
If Handheld device implementations support a secure lock screen, they:
[ 3.9 /H-1-1] MUST implement the full range of device administration policies defined in
the Android SDK documentation.
[ 3.9 /H-1-2] MUST declare the support of managed profiles via the
android.software.managed_users feature flag, except when the device is configured so that it
would report itself as a low RAM device or so that it allocates internal (non-removable)
storage as shared storage.
Handheld device implementations:
[ 3.10 /H-0-1] MUST support third-party accessibility services.
[ 3.10 /H-SR] Are STRONGLY RECOMMENDED to preload accessibility services on the
device comparable with or exceeding functionality of the Switch Access and TalkBack (for
languages supported by the preloaded Text-to-speech engine) accessibility services as
provided in the talkback open source project .
[ 3.11 /H-0-1] MUST support installation of third-party TTS engines.
[ 3.11 /H-SR] Are STRONGLY RECOMMENDED to include a TTS engine supporting the
languages available on the device.
[ 3.13 /H-SR] Are STRONGLY RECOMMENDED to include a Quick Settings UI component.
If Android handheld device implementations declare FEATURE_BLUETOOTH or FEATURE_WIFI
support, they:
[ 3.15 /H-1-1] MUST support the companion device pairing feature.
2.2.4. Performance and Power
[ 8.1 /H-0-1] Consistent frame latency . Inconsistent frame latency or a delay to render
frames MUST NOT happen more often than 5 frames in a second, and SHOULD be below
1 frames in a second.
[ 8.1 /H-0-2] User interface latency . Device implementations MUST ensure low latency
user experience by scrolling a list of 10K list entries as defined by the Android
Compatibility Test Suite (CTS) in less than 36 secs.
[ 8.1 /H-0-3] Task switching . When multiple applications have been launched, re-
launching an already-running application after it has been launched MUST take less than
1 second.
Handheld device implementations:
[ 8.2 /H-0-1] MUST ensure a sequential write performance of at least 5 MB/s.
[ 8.2 /H-0-2] MUST ensure a random write performance of at least 0.5 MB/s.
[ 8.2 /H-0-3] MUST ensure a sequential read performance of at least 15 MB/s.
[ 8.2 /H-0-4] MUST ensure a random read performance of at least 3.5 MB/s.
If Handheld device implementations include features to improve device power management that are
included in AOSP or extend the features that are included in AOSP, they:
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Содержание
- Compatibility definition p.1
- Android 9 p.1
- 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
- Background restriction p.2
- Web compatibility p.2
- Automotive requirements p.2
- Watch requirements p.2
- Api namespaces p.2
- Heavyweight apps p.3
- Hardware compatibility p.3
- Display and graphics p.3
- Video encoding p.3
- Device administration p.3
- Video decoding 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
- Media codecs p.3
- Accessibility p.3
- Managed user support p.3
- Instant apps p.3
- Data connectivity p.4
- Cameras p.4
- Sensors p.4
- Pose sensor p.4
- Memory and storage p.4
- Input devices 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
- Device types p.7
- Device configurations p.7
- Requirement id in section 2 p.7
- Hardware p.7
- Handheld requirements 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
- Themes p.43
- Live wallpapers 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
- Accessibility p.49
- Text to speech p.49
- Managed user support p.49
- Tv input framework p.50
- Quick settings p.50
- Media ui p.50
- Instant apps 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
- Audio playback p.63
- Audio output volume p.63
- Audio latency p.63
- Audio effects p.63
- Raw audio playback p.63
- Network protocols p.65
- Secure media p.66
- Professional audio p.66
- Musical instrument digital interface midi 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
- Legacy application compatibility mode p.77
- Secondary displays p.77
- Screen technology p.77
- Non touch navigation p.78
- Navigation keys p.78
- Keyboard p.78
- Input devices 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
- Photometer p.87
- Barometer p.87
- Thermometer 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
- Secure elements p.101
- Rear facing camera p.101
- Data saver p.101
- Cameras p.101
- Sync settings p.101
- Front facing camera p.102
- External camera p.103
- Camera api behavior 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 p.110
- Virtual reality p.110
- Virtual reality mode high performance p.110
- User experience consistency p.112
- Power saving modes p.112
- Performance and power p.112
- File i o access performance 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
- Privacy p.119
- Usage history p.119
- Recording p.119
- Network traffic p.120
- Data storage encryption p.120
- Connectivity 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
- Compatibility test suite p.129
- Automotive vehicle system isolation p.129
- Subscription plans p.129
- Software compatibility testing p.129
- Updatable software p.130
- Cts verifier p.130
- Document changelog p.131
- Changelog viewing tips p.131
- Contact us p.132
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