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Android Camera2Basic Sample

This sample demonstrates how to use basic functionalities of Camera2 API. You can learn how to iterate through characteristics of all the cameras attached to the device, display a camera preview, and take pictures.

Introduction

The Camera2 API provides an interface to individual camera devices connected to an Android device. It replaces the deprecated Camera class.

Use getCameraIdList to get a list of all the available cameras. You can then use getCameraCharacteristics and find the best camera that suits your need (front/rear facing, resolution etc).

Create an instance of CameraDevice.StateCallback and open a camera. It is ready to start camera preview when the camera is opened.

This sample uses TextureView to show the camera preview. Create a CameraCaptureSession and set a repeating CaptureRequest to it.

Still image capture takes several steps. First, you need to lock the focus of the camera by updating the CaptureRequest for the camera preview. Then, in a similar way, you need to run a precapture sequence. After that, it is ready to capture a picture. Create a new CaptureRequest and call [capture][7]. Don't forget to unlock the focus when you are done.

[7]: https://developer.android.com/reference/android/hardware/camera2/CameraCaptureSession.html#capture(android.hardware.camera2.CaptureRequest, android.hardware.camera2.CameraCaptureSession.CaptureCallback, android.os.Handler)

Pre-requisites

  • Android SDK 27
  • Android Build Tools v27.0.2
  • Android Support Repository

Screenshots

Screenshot

Getting Started

This sample uses the Gradle build system. To build this project, use the "gradlew build" command or use "Import Project" in Android Studio.

Support

If you've found an error in this sample, please file an issue: https://github.com/googlesamples/android-Camera2Basic

Patches are encouraged, and may be submitted by forking this project and submitting a pull request through GitHub. Please see CONTRIBUTING.md for more details.

License

Copyright 2017 The Android Open Source Project, Inc.

Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

About

No description, website, or topics provided.

Resources

Readme
Apache-2.0 license

Contributing

Contributing
Activity

Stars

0 stars

Watchers

1 watching

Forks

0 forks
Report repository

Releases

Packages

Contributors

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
BranchesTags
Repository files navigation
Android Camera2Basic Sample
This sample demonstrates how to use basic functionalities of Camera2
API. You can learn how to iterate through characteristics of all the
cameras attached to the device, display a camera preview, and take
pictures.
Introduction
The Camera2 API provides an interface to individual camera
devices connected to an Android device. It replaces the deprecated
Camera class.
Use getCameraIdList to get a list of all the available
cameras. You can then use getCameraCharacteristics and find the
best camera that suits your need (front/rear facing, resolution etc).
Create an instance of CameraDevice.StateCallback and open a
camera. It is ready to start camera preview when the camera is opened.
This sample uses TextureView to show the camera preview. Create a
CameraCaptureSession and set a repeating CaptureRequest to it.
Still image capture takes several steps. First, you need to lock the
focus of the camera by updating the CaptureRequest for the camera
preview. Then, in a similar way, you need to run a precapture
sequence. After that, it is ready to capture a picture. Create a new
CaptureRequest and call [capture][7]. Don't forget to unlock the focus
when you are done.
[7]: https://developer.android.com/reference/android/hardware/camera2/CameraCaptureSession.html#capture(android.hardware.camera2.CaptureRequest, android.hardware.camera2.CameraCaptureSession.CaptureCallback, android.os.Handler)
Pre-requisites
  • Android SDK 27
  • Android Build Tools v27.0.2
  • Android Support Repository
Screenshots
Screenshot
Getting Started
This sample uses the Gradle build system. To build this project, use the
"gradlew build" command or use "Import Project" in Android Studio.
Support
If you've found an error in this sample, please file an issue:
https://github.com/googlesamples/android-Camera2Basic
Patches are encouraged, and may be submitted by forking this project and
submitting a pull request through GitHub. Please see CONTRIBUTING.md for more details.
License
Copyright 2017 The Android Open Source Project, Inc.
Licensed to the Apache Software Foundation (ASF) under one or more contributor
license agreements. See the NOTICE file distributed with this work for
additional information regarding copyright ownership. The ASF licenses this
file to you under the Apache License, Version 2.0 (the "License"); you may not
use this file except in compliance with the License. You may obtain a copy of
the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
License for the specific language governing permissions and limitations under
the License.
About
No description, website, or topics provided.
Resources
Readme
Apache-2.0 license
Contributing
Contributing
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Android Camera2Basic Sample
This sample demonstrates how to use basic functionalities of Camera2
API. You can learn how to iterate through characteristics of all the
cameras attached to the device, display a camera preview, and take
pictures.
Introduction
The Camera2 API provides an interface to individual camera
devices connected to an Android device. It replaces the deprecated
Camera class.
Use getCameraIdList to get a list of all the available
cameras. You can then use getCameraCharacteristics and find the
best camera that suits your need (front/rear facing, resolution etc).
Create an instance of CameraDevice.StateCallback and open a
camera. It is ready to start camera preview when the camera is opened.
This sample uses TextureView to show the camera preview. Create a
CameraCaptureSession and set a repeating CaptureRequest to it.
Still image capture takes several steps. First, you need to lock the
focus of the camera by updating the CaptureRequest for the camera
preview. Then, in a similar way, you need to run a precapture
sequence. After that, it is ready to capture a picture. Create a new
CaptureRequest and call [capture][7]. Don't forget to unlock the focus
when you are done.
[7]: https://developer.android.com/reference/android/hardware/camera2/CameraCaptureSession.html#capture(android.hardware.camera2.CaptureRequest, android.hardware.camera2.CameraCaptureSession.CaptureCallback, android.os.Handler)
Pre-requisites
  • Android SDK 27
  • Android Build Tools v27.0.2
  • Android Support Repository
Screenshots
Screenshot
Getting Started
This sample uses the Gradle build system. To build this project, use the
"gradlew build" command or use "Import Project" in Android Studio.
Support
If you've found an error in this sample, please file an issue:
https://github.com/googlesamples/android-Camera2Basic
Patches are encouraged, and may be submitted by forking this project and
submitting a pull request through GitHub. Please see CONTRIBUTING.md for more details.
License
Copyright 2017 The Android Open Source Project, Inc.
Licensed to the Apache Software Foundation (ASF) under one or more contributor
license agreements. See the NOTICE file distributed with this work for
additional information regarding copyright ownership. The ASF licenses this
file to you under the Apache License, Version 2.0 (the "License"); you may not
use this file except in compliance with the License. You may obtain a copy of
the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
License for the specific language governing permissions and limitations under
the License.
About
No description, website, or topics provided.
Resources
Readme
Apache-2.0 license
Contributing
Contributing
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Android Camera2Basic Sample
This sample demonstrates how to use basic functionalities of Camera2
API. You can learn how to iterate through characteristics of all the
cameras attached to the device, display a camera preview, and take
pictures.
Introduction
The Camera2 API provides an interface to individual camera
devices connected to an Android device. It replaces the deprecated
Camera class.
Use getCameraIdList to get a list of all the available
cameras. You can then use getCameraCharacteristics and find the
best camera that suits your need (front/rear facing, resolution etc).
Create an instance of CameraDevice.StateCallback and open a
camera. It is ready to start camera preview when the camera is opened.
This sample uses TextureView to show the camera preview. Create a
CameraCaptureSession and set a repeating CaptureRequest to it.
Still image capture takes several steps. First, you need to lock the
focus of the camera by updating the CaptureRequest for the camera
preview. Then, in a similar way, you need to run a precapture
sequence. After that, it is ready to capture a picture. Create a new
CaptureRequest and call [capture][7]. Don't forget to unlock the focus
when you are done.
[7]: https://developer.android.com/reference/android/hardware/camera2/CameraCaptureSession.html#capture(android.hardware.camera2.CaptureRequest, android.hardware.camera2.CameraCaptureSession.CaptureCallback, android.os.Handler)
Pre-requisites
  • Android SDK 27
  • Android Build Tools v27.0.2
  • Android Support Repository
Screenshots
Screenshot
Getting Started
This sample uses the Gradle build system. To build this project, use the
"gradlew build" command or use "Import Project" in Android Studio.
Support
If you've found an error in this sample, please file an issue:
https://github.com/googlesamples/android-Camera2Basic
Patches are encouraged, and may be submitted by forking this project and
submitting a pull request through GitHub. Please see CONTRIBUTING.md for more details.
License
Copyright 2017 The Android Open Source Project, Inc.
Licensed to the Apache Software Foundation (ASF) under one or more contributor
license agreements. See the NOTICE file distributed with this work for
additional information regarding copyright ownership. The ASF licenses this
file to you under the Apache License, Version 2.0 (the "License"); you may not
use this file except in compliance with the License. You may obtain a copy of
the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
License for the specific language governing permissions and limitations under
the License.
About
No description, website, or topics provided.
Resources
Readme
Apache-2.0 license
Contributing
Contributing
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
Android Camera2Basic Sample
This sample demonstrates how to use basic functionalities of Camera2
API. You can learn how to iterate through characteristics of all the
cameras attached to the device, display a camera preview, and take
pictures.
Introduction
The Camera2 API provides an interface to individual camera
devices connected to an Android device. It replaces the deprecated
Camera class.
Use getCameraIdList to get a list of all the available
cameras. You can then use getCameraCharacteristics and find the
best camera that suits your need (front/rear facing, resolution etc).
Create an instance of CameraDevice.StateCallback and open a
camera. It is ready to start camera preview when the camera is opened.
This sample uses TextureView to show the camera preview. Create a
CameraCaptureSession and set a repeating CaptureRequest to it.
Still image capture takes several steps. First, you need to lock the
focus of the camera by updating the CaptureRequest for the camera
preview. Then, in a similar way, you need to run a precapture
sequence. After that, it is ready to capture a picture. Create a new
CaptureRequest and call [capture][7]. Don't forget to unlock the focus
when you are done.
[7]: https://developer.android.com/reference/android/hardware/camera2/CameraCaptureSession.html#capture(android.hardware.camera2.CaptureRequest, android.hardware.camera2.CameraCaptureSession.CaptureCallback, android.os.Handler)
Pre-requisites
  • Android SDK 27
  • Android Build Tools v27.0.2
  • Android Support Repository
Screenshots
Screenshot
Getting Started
This sample uses the Gradle build system. To build this project, use the
"gradlew build" command or use "Import Project" in Android Studio.
Support
If you've found an error in this sample, please file an issue:
https://github.com/googlesamples/android-Camera2Basic
Patches are encouraged, and may be submitted by forking this project and
submitting a pull request through GitHub. Please see CONTRIBUTING.md for more details.
License
Copyright 2017 The Android Open Source Project, Inc.
Licensed to the Apache Software Foundation (ASF) under one or more contributor
license agreements. See the NOTICE file distributed with this work for
additional information regarding copyright ownership. The ASF licenses this
file to you under the Apache License, Version 2.0 (the "License"); you may not
use this file except in compliance with the License. You may obtain a copy of
the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
License for the specific language governing permissions and limitations under
the License.
About
No description, website, or topics provided.
Resources
Readme
Apache-2.0 license
Contributing
Contributing
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Android Camera2Basic Sample
This sample demonstrates how to use basic functionalities of Camera2
API. You can learn how to iterate through characteristics of all the
cameras attached to the device, display a camera preview, and take
pictures.
Introduction
The Camera2 API provides an interface to individual camera
devices connected to an Android device. It replaces the deprecated
Camera class.
Use getCameraIdList to get a list of all the available
cameras. You can then use getCameraCharacteristics and find the
best camera that suits your need (front/rear facing, resolution etc).
Create an instance of CameraDevice.StateCallback and open a
camera. It is ready to start camera preview when the camera is opened.
This sample uses TextureView to show the camera preview. Create a
CameraCaptureSession and set a repeating CaptureRequest to it.
Still image capture takes several steps. First, you need to lock the
focus of the camera by updating the CaptureRequest for the camera
preview. Then, in a similar way, you need to run a precapture
sequence. After that, it is ready to capture a picture. Create a new
CaptureRequest and call [capture][7]. Don't forget to unlock the focus
when you are done.
[7]: https://developer.android.com/reference/android/hardware/camera2/CameraCaptureSession.html#capture(android.hardware.camera2.CaptureRequest, android.hardware.camera2.CameraCaptureSession.CaptureCallback, android.os.Handler)
Pre-requisites
  • Android SDK 27
  • Android Build Tools v27.0.2
  • Android Support Repository
Screenshots
Screenshot
Getting Started
This sample uses the Gradle build system. To build this project, use the
"gradlew build" command or use "Import Project" in Android Studio.
Support
If you've found an error in this sample, please file an issue:
https://github.com/googlesamples/android-Camera2Basic
Patches are encouraged, and may be submitted by forking this project and
submitting a pull request through GitHub. Please see CONTRIBUTING.md for more details.
License
Copyright 2017 The Android Open Source Project, Inc.
Licensed to the Apache Software Foundation (ASF) under one or more contributor
license agreements. See the NOTICE file distributed with this work for
additional information regarding copyright ownership. The ASF licenses this
file to you under the Apache License, Version 2.0 (the "License"); you may not
use this file except in compliance with the License. You may obtain a copy of
the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
License for the specific language governing permissions and limitations under
the License.
About
No description, website, or topics provided.
Resources
Readme
Apache-2.0 license
Contributing
Contributing
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
Android Camera2Basic Sample
This sample demonstrates how to use basic functionalities of Camera2
API. You can learn how to iterate through characteristics of all the
cameras attached to the device, display a camera preview, and take
pictures.
Introduction
The Camera2 API provides an interface to individual camera
devices connected to an Android device. It replaces the deprecated
Camera class.
Use getCameraIdList to get a list of all the available
cameras. You can then use getCameraCharacteristics and find the
best camera that suits your need (front/rear facing, resolution etc).
Create an instance of CameraDevice.StateCallback and open a
camera. It is ready to start camera preview when the camera is opened.
This sample uses TextureView to show the camera preview. Create a
CameraCaptureSession and set a repeating CaptureRequest to it.
Still image capture takes several steps. First, you need to lock the
focus of the camera by updating the CaptureRequest for the camera
preview. Then, in a similar way, you need to run a precapture
sequence. After that, it is ready to capture a picture. Create a new
CaptureRequest and call [capture][7]. Don't forget to unlock the focus
when you are done.
[7]: https://developer.android.com/reference/android/hardware/camera2/CameraCaptureSession.html#capture(android.hardware.camera2.CaptureRequest, android.hardware.camera2.CameraCaptureSession.CaptureCallback, android.os.Handler)
Pre-requisites
  • Android SDK 27
  • Android Build Tools v27.0.2
  • Android Support Repository
Screenshots
Screenshot
Getting Started
This sample uses the Gradle build system. To build this project, use the
"gradlew build" command or use "Import Project" in Android Studio.
Support
If you've found an error in this sample, please file an issue:
https://github.com/googlesamples/android-Camera2Basic
Patches are encouraged, and may be submitted by forking this project and
submitting a pull request through GitHub. Please see CONTRIBUTING.md for more details.
License
Copyright 2017 The Android Open Source Project, Inc.
Licensed to the Apache Software Foundation (ASF) under one or more contributor
license agreements. See the NOTICE file distributed with this work for
additional information regarding copyright ownership. The ASF licenses this
file to you under the Apache License, Version 2.0 (the "License"); you may not
use this file except in compliance with the License. You may obtain a copy of
the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
License for the specific language governing permissions and limitations under
the License.
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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Android Camera2Basic Sample
This sample demonstrates how to use basic functionalities of Camera2
API. You can learn how to iterate through characteristics of all the
cameras attached to the device, display a camera preview, and take
pictures.
Introduction
The Camera2 API provides an interface to individual camera
devices connected to an Android device. It replaces the deprecated
Camera class.
Use getCameraIdList to get a list of all the available
cameras. You can then use getCameraCharacteristics and find the
best camera that suits your need (front/rear facing, resolution etc).
Create an instance of CameraDevice.StateCallback and open a
camera. It is ready to start camera preview when the camera is opened.
This sample uses TextureView to show the camera preview. Create a
CameraCaptureSession and set a repeating CaptureRequest to it.
Still image capture takes several steps. First, you need to lock the
focus of the camera by updating the CaptureRequest for the camera
preview. Then, in a similar way, you need to run a precapture
sequence. After that, it is ready to capture a picture. Create a new
CaptureRequest and call [capture][7]. Don't forget to unlock the focus
when you are done.
[7]: https://developer.android.com/reference/android/hardware/camera2/CameraCaptureSession.html#capture(android.hardware.camera2.CaptureRequest, android.hardware.camera2.CameraCaptureSession.CaptureCallback, android.os.Handler)
Pre-requisites
  • Android SDK 27
  • Android Build Tools v27.0.2
  • Android Support Repository
Screenshots
Screenshot
Getting Started
This sample uses the Gradle build system. To build this project, use the
"gradlew build" command or use "Import Project" in Android Studio.
Support
If you've found an error in this sample, please file an issue:
https://github.com/googlesamples/android-Camera2Basic
Patches are encouraged, and may be submitted by forking this project and
submitting a pull request through GitHub. Please see CONTRIBUTING.md for more details.
License
Copyright 2017 The Android Open Source Project, Inc.
Licensed to the Apache Software Foundation (ASF) under one or more contributor
license agreements. See the NOTICE file distributed with this work for
additional information regarding copyright ownership. The ASF licenses this
file to you under the Apache License, Version 2.0 (the "License"); you may not
use this file except in compliance with the License. You may obtain a copy of
the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
License for the specific language governing permissions and limitations under
the License.
About
No description, website, or topics provided.
Resources
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Apache-2.0 license
Contributing
Contributing
Activity
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1 watching
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