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Xiaomi Redmi Note 8 64Gb+6Gb Dual LTE [34/132] Webview compatibility
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the device.
CPU architecture: , followed by an integer describing the device's highest
supported ARM architecture (e.g., "8" for ARMv8 devices).
[C-2-2] MUST always keep the following operations available, even in the case where the
ABI is implemented on an ARMv8 architecture, either through native CPU support or
through software emulation:
SWP and SWPB instructions.
SETEND instruction.
CP15ISB, CP15DSB, and CP15DMB barrier operations.
[C-2-3] MUST include support for the Advanced SIMD (a.k.a. NEON) extension.
3.4. Web Compatibility
3.4.1. WebView Compatibility
If device implementations provide a complete implementation of the android.webkit.Webview API, they:
[C-1-1] MUST report android.software.webview .
[C-1-2] MUST use the Chromium Project build from the upstream Android Open Source
Project on the Android 9 branch for the implementation of the android.webkit.WebView API.
[C-1-3] The user agent string reported by the WebView MUST be in this format:
Mozilla/5.0 (Linux; Android $(VERSION); $(MODEL) Build/$(BUILD); wv)
AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 $(CHROMIUM_VER) Mobile
Safari/537.36
The value of the $(VERSION) string MUST be the same as the value for
android.os.Build.VERSION.RELEASE.
The value of the $(MODEL) string MUST be the same as the value for
android.os.Build.MODEL.
The value of the $(BUILD) string MUST be the same as the value for
android.os.Build.ID.
The value of the $(CHROMIUM_VER) string MUST be the version of Chromium
in the upstream Android Open Source Project.
Device implementations MAY omit Mobile in the user agent string.
The WebView component SHOULD include support for as many HTML5 features as
possible and if it supports the feature SHOULD conform to the HTML5 specification .
3.4.2. Browser Compatibility
If device implementations include a standalone Browser application for general web browsing, they:
[C-1-1] MUST support each of these APIs associated with HTML5:
application cache/offline operation
<video> tag
geolocation
[C-1-2] MUST support the HTML5/W3C webstorage API and SHOULD support the
HTML5/W3C IndexedDB API . Note that as the web development standards bodies are
transitioning to favor IndexedDB over webstorage, IndexedDB is expected to become a
required component in a future version of Android.
MAY ship a custom user agent string in the standalone Browser application.
SHOULD implement support for as much of HTML5 as possible on the standalone
Page 34 of 132
Содержание
- Compatibility definition p.1
- Android 9 p.1
- 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
- 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
- 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
- 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
- Developer tools and options compatibility p.3
- Tv input framework p.3
- Developer tools p.3
- Text to speech p.3
- Developer options p.3
- Secure media p.3
- Sensors p.4
- Pose sensor p.4
- Memory and storage p.4
- Input devices p.4
- Data connectivity p.4
- Cameras p.4
- Software compatibility testing p.5
- Security model compatibility p.5
- Performance and power p.5
- Document changelog p.5
- Contact us p.5
- Updatable software 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
- Software p.24
- Security model p.24
- Hardware p.24
- Tablet requirements 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
- Multi windows p.45
- Location p.45
- Unicode and font p.45
- Screen savers previously dreams 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
- 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
- Audio recording p.61
- Raw audio capture 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
- 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
- Developer options p.71
- Hardware compatibility p.71
- Display and graphics 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
- 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
- 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
- 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
- Adoptable storage p.106
- Usb peripheral mode 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
- 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
- Usage history p.119
- Recording p.119
- Privacy 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
- Subscription plans p.129
- Software compatibility testing p.129
- Compatibility test suite p.129
- Automotive vehicle system isolation 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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