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Xiaomi Redmi Note 8 64Gb+6Gb Dual LTE [74/132] Screen orientation
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[C-1-1] The display size MUST NOT be scaled any larger than 1.5 times the native density
or produce an effective minimum screen dimension smaller than 320dp (equivalent to
resource qualifier sw320dp), whichever comes first.
[C-1-2] Display size MUST NOT be scaled any smaller than 0.85 times the native density.
To ensure good usability and consistent font sizes, it is RECOMMENDED that the
following scaling of Native Display options be provided (while complying with the limits
specified above)
Small: 0.85x
Default: 1x (Native display scale)
Large: 1.15x
Larger: 1.3x
Largest 1.45x
7.1.2. Display Metrics
If device implementations include a screen or video output, they:
[C-1-1] MUST report correct values for all display metrics defined in the
android.util.DisplayMetrics API.
If device implementations does not include an embedded screen or video output, they:
[C-2-1] MUST report reasonable values for all display metrics defined in the
android.util.DisplayMetrics API for the emulated default view.Display .
7.1.3. Screen Orientation
Device implementations:
[C-0-1] MUST report which screen orientations they support ( android.hardware.screen.portrait
and/or android.hardware.screen.landscape ) and MUST report at least one supported orientation.
For example, a device with a fixed orientation landscape screen, such as a television or
laptop, SHOULD only report android.hardware.screen.landscape .
[C-0-2] MUST report the correct value for the device’s current orientation, whenever
queried via the android.content.res.Configuration.orientation , android.view.Display.getOrientation() , or
other APIs.
If device implementations support both screen orientations, they:
[C-1-1] MUST support dynamic orientation by applications to either portrait or landscape
screen orientation. That is, the device must respect the application’s request for a
specific screen orientation.
[C-1-2] MUST NOT change the reported screen size or density when changing orientation.
MAY select either portrait or landscape orientation as the default.
7.1.4. 2D and 3D Graphics Acceleration
7.1.4.1 OpenGL ES
Device implementations:
[C-0-1] MUST correctly identify the supported OpenGL ES versions (1.1, 2.0, 3.0, 3.1, 3.2)
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Содержание
- 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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