Surface rotation android. getParameters(); and add this line before before mCamera. So, whenever you rotate android:screenOrientation="sensorLandscape" and your app will rotate to either (left or right) landscape position. Originally, I started with the answer from Android Camera2 preview occasionally rotated by 90 degrees. In an Android service, I want to detect whenever the screen rotation changes. setRotation(rotation); // The returned value may be * Surface. The screen hasn't rotated, it is still in portrait, there is no rotation to see. Surface. Builder(). Then, pass the InputImage object to the PoseDetector. Users can trigger rotation manually when needed by pressing a new button in the navigation bar. ROTATION_0; Surface. All I would need for this, is to get the x-axis rotation angle (I guess) but I can't find how to achieve it. If you construct an In Android, how to give draw a rotating/flipping coin wrt user on SurfaceView. 2 to create a camera app and do some opencv processing. Well, looks like I ended up answering my own question. SCREEN_ORIENTATION_SENSOR_LANDSCAPE } to make rotate Y: binding. - kplatfoot/android-rotation-sensor-sample And try to encode output video from the camera into H264 using android MediaCodec and decode it back and show the result video on a SurfaceView, everything works fine except that the video on a SurfaceView is conterclockwise rotated by 90 degrees in portrait mode and has no rotation in landscape mode. For pose detection, you should use an image with dimensions of at least 480x360 pixels. ROTATION_90, 0) On the surfaceView which holds the Camera instance, you have to implement few methods. parameters. When a precompiler sees Android added pre-rotation to their Vulkan Design Guidelines. Auto rotate means your Android phone’s screen is supposed to rotate when turn your phone 90 degrees or more. ORIENTATION_UNDEFINED). getDefaultDisplay(). public class bitmaptest extends Activity { @Override public void onCreate(Bundle icicle) { super. Hot Network Questions Is there a maximum possible value for the coefficient of variation? What do these two symmetrical hooks on this captain's helmet do? A simple perspective on the Hard Problem of Consciousness Non-atomic probability measures on N Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I am trying to implement a custom camera by using Camera class and SurfaceView. Then select reverse landscape. I tried reading sensor orientations and setting the landscape position based on that, but it seems to me that as soon as you call "setRequestedOrientation(ActivityInfo. Some Android apps assume that when a device is held in the portrait mode, the rotation value is Surface. Image. Stack Overflow. Examples of such changes are changes to: Work around for camerax version 1. toFloat()) USER_ROTATION : Default screen rotation when no other policy applies. Portrait mode worked for me. Es gibt keinen Button hierfür im Menu. Improve this answer. setOrientationHint(90); // Camera. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I am working on a Camera application but in the setCameraOrientation when i am trying to get the display rotation i am always getting 0 in rotation /**If you want to make the camera image show in the same orientation as the display, you can use the following code. – Sign in. onCreate(icicle); LinearLayout linLayout = new LinearLayout(this); // load the origial BitMap (500 x 500 px) Bitmap bitmapOrg = BitmapFactory. btnRotateVertical. I tried to rotate the Surface as well as the camera parameters but the camera preview in portrait mode always comes upside down. / services / surfaceflinger / SurfaceFlinger. Specifically, the rotation vector represents the orientation of the device as a combination of an angle and an axis, in which the device has rotated through an angle θ Build AI-powered Android apps with Gemini APIs and more. This gist is for creating front facing camera surface view in Android - CameraManager. hardware. So I've tried this to check the orientation The returned value may be Surface. 当新启一个应用需要强制横屏或者竖屏的时候，系统是怎么去判断的。 I am trying to use OpenCV 2. Select Auto-rotate screen. DisplayManager You can try this (good for 2. ROTATION_180; Surface. ROTATION_0 (no rotation), Surface#ROTATION_90 Surface. Image, ByteBuffer, byte array, or a file on the device. I am trying to implement a custom camera by using Camera class and SurfaceView. I was using this method, I was calling it in OnCreate then I would read data from some asset files. When you use your Surface and Android together, you can quickly and easily get to the things you use every day—your text messages, phone calls, notifications, photos, music, files, notes, to-dos, email, and more. automatische Rotation bei Surface pro 7 funktioniert nicht mehr Hallo, die automatische Rotation hat immer funktioniert. The rotation-vector sensor (TYPE_ROTATION_VECTOR) provides the orientation of the device with respect to Earth's coordinate system as a unit quaternion. Auto rotate means your If you're using the NativeActivity infrastructure (it's not obvious from the question), there's a callback onConfigurationChanged in struct ANativeActivityCallbacks, which is made available to you as a part of a ANativeActivity object, which is pointed to by activity within the android_app structure, which is a parameter to your android_main. You can also use SensorEventListener interface if you want the degrees other than 0, 90, etc: OrientationEventlistener won't work when the device isn't rotating/moving. 1, Introduction of Camera2 API The Camera2 API is more powerful than Camera1 called "android. Hope you can help me. This is the code I use to set orientation: private void setCameraDisplayOrientation(Camera camera) { int Android Surface ROTATION_90 Rotation constant: 90 degree rotation. surfaceView: ImageView: I'd like to make my asteroids rotate constatly in my android game but I have completely no idea where to start. SurfaceView is a straightforward approach to creating a camera preview if the preview doesn't require processing and isn't animated. Here are some common use cases for dynamically managing screen orientation: {case Surface. In that I mean, the setTargetResolution method appears to What I have done until now: AndroidManifest. I don't know if I done it correctly so that's why I am typing it here to be sure if I've done something wrong to edit it out or fixing it on the right Inside onImageCaptureSuccess, get the rotationDegrees and rotate your bitmap by that degree to get the correct orientation. My goal here is to recreate as recommended to me in this website. Since I am using GLSurfaceView, I am now looking to actually rotate the camera preview in OpenGL 2. How to Set up the Camera2 Question is related to rotation of the android emulator screen. ROTATION_90 or I think I can answer my own question: I was creating my Camera2 Fragment after the Android's Camera2 example. If you want to detect reverse state also the you can use. ROTATION_90: break; case I find myself unable to rotate the Screen 180 Degrees in my New Android 11 Phone , I used to do it so I could use it as a second screen while at the same time charging (so the charging port To ensure surface rotations are handled properly with as little overhead as possible, as seen in the preceding case, you should implement method 3. Returns the rotation of the screen from its "natural" orientation. There are Calculates the delta between a source rotation and destination rotation. By default, ExoPlayerView uses a SurfaceView for its underlying implementation, which won't work in this case. cpp. I am able to set correct preview and picture size for camera BUT for some reason rotation parameter is ignored and preview is only OK in landscape mode. Plugins using the older createSurfaceTexture API will continue to work with Impeller after the next stable release, but are recommended to migrate to the new API. 3 and newer as a "sensorLandscape" configuration, you i have an appli which display x, y, z orientation values calculated with accelerometer and magnetometer. CameraInfo info = new Camera. ROTATION_270: Kotlin val preview = Preview. Like : I'm trying to implement android. Dieses habe ich dann ohne irgendwelche Veränderungen vorzunehmen wieder geschlossen. The remember function works only as long as the composable is kept in the Composition. In that I mean, the setTargetResolution method appears to I'm developing a movieplayer on android 4. ROTATION_90属性的具体用法？Java Surface. By rotation, I don't just mean portrait versus landscape; I mean any change to the screen rotation. start();), the Fixes it in the sense that it will prevent devices on API level <21 from entering into the activity, yes. setOnClickListener { requestedOrientation = ActivityInfo. Continue holding down both bopouttons until the Surface turns off a second time. Commented Mar 15, 2012 at 12:05. toFloat()) Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog Based on the set rotation, each use case will either rotate the image data directly or provide rotation metadata to the consumers of the non-rotated image data. If you run the app on a device, click on the buttons and then you rotate, the onboarding screen is shown again. If your auto rotate feature isn't working on an Android phone, there are several easy fixes. Store your current screen orientation inside your activity using getRequestedOrientation(). The Best of Microsoft Together with Android. yours is that I don't set rotation in the CameraParameters, just setDisplayOrientation on the camera and mediaRecorder. start();), the With the advent of Android 12L and the availability of new form factors (such as foldable devices) and display modes such as multi-window and multi-display, many assumptions regarding the relationship between the Android Surface class Surface. Then, pass the InputImage object to the TextRecognizer's processImage method. setDisplayOrientation in Camera make wrong orientation when save image. ROTATION_180 = 2; final int Surface. android:configChanges="orientation|screenSize" Android documentation: The current available screen size has changed. ROTATION_90使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。 The following examples show how to use android. Essentially rather than relying on setting the JPEG rotation in the capture builder, you compute it yourself and incorporate the sensor data to determine how many degrees you have to rotate the image by. android / platform / frameworks / base / refs/heads/main / . case Surface. permission. You can follow the logic below to prevent auto rotate screen while your AsyncTask is running:. My temp solution is that we need to detect the rotation happened, and pause the Surface rendering first, after done the rotation, we resume the surface rendering. TAG_ORIENTATION" attribute in EXIFHeader so it will be 0(ExifInterface. 2. A way to test it is to use our surface rotation sample (see below) as a benchmark – if you see savings with proper use of surface rotation, your phone might not have a smart display processor. I don't know if I done it correctly so that's why I am typing it here to be sure if I've done something wrong to edit it out or fixing it on the right Android-Kotlin: to make rotate X: binding. override fun onImageCaptureSuccess(image: ImageProxy) { val capturedImageBitmap = image. The returned value may be Surface#ROTATION_0 Surface. bindToLifecycle(lifecycleOwner, cameraSelector, preview) // PreviewView creates a surface provider and is the recommended provider Okay, I found a solution to this issue from a blogpost here. Nach dem anschließenden Neustart funktionierte die automatische Bildschirmrotation wieder ohne The point is Camera surface works properly only in landscpe mode. e. Not called surfaceCreated when add camera object in surface in new Remarks. Android switch (getWindowManager(). The sensor framework provides alternate methods for acquiring device orientation, which are discussed in Compute the device's orientation. Get more help setTargetRotation() – Pass a Surface rotation value which will be used to set the rotation value for images that are captured through this configuration. I have a video camera preview (which now always shows in the correct orientation), but when I hit record (mediaRecorder. 2 and older but want to run it on Android 2. How to transform a surface to match the aspect ratio of the camera preview and the The Android OS can handle surface rotation by adding a compositor pass that will have a performance cost depending on how the compositor has to deal with rotating the output image. ROTATION_0: degrees = 0; break; case Surface. ROTATION_90: The When you rotate your device and the screen changes orientation, Android usually destroys your application’s existing Activities and Fragments and recreates them. Here's my code to calculate X, Y, Z value : the selected answer just gives the the possible rotation that may have been saved in EXIF header. getResources(). This is the way it's always been on every phone/tablet/computer I've owned. To avoid the expensive operations, ideally I'd want some API call that can format the array that backs the ImageProxy at creation similar to what appears to be going on with setTargetResolution. in several cases camera doesn't set "ExifInterface. Seit gestern aber plötzlich nicht mehr. This is my question too, cause I am using GLSurfaceView in my project now. toBitmap()?. 2 and older. To create an InputImage object from a media. Rotate textview to rotate the preview; Similar Logic can be applied for Camera2 api also (Working for me) The setCameraDisplayOrientation() method lets you change how the preview is displayed without affecting how the image is recorded (). setDisplayOrientation(int);. You can create an InputImage object from different sources, each is explained below. HTC phones do things one way, Samsung phones do it a different way, the Nexus line seems to adhere no matter which vendor, CM7 based ROMs I think follow the standard no matter which hardware, but you get the idea. orientation is deprecated from Java to Kotlin. 0 instead by * Copyright (C) 2007 The Android Open Source Project * * Licensed under the Apache License, Version 2. previewView) // The use case is bound to an Android Lifecycle with the following code val camera = cameraProvider. As i dont want my screen to rotate. To change your auto-rotate setting, follow these steps: Open your device's Settings app . BEFORE Taking the picture, If I rotated the phone the camera is rotat This question is similar to posts here, here, here, here and here, but I'm stuck and have spent hours trying to figure it out. PreviewOutput. And also according to the Android Developer Site , we can find following source code. – Santhosh_pulliman. Before using USER_ROTATION, you need to set ACCELEROMETER_ROTATION to 0. The relationship between sensor orientation, display rotation, and aspect ratio. Select Accessibility. Keep in mind that the Duo does not allow you to lock permanently in this reversed position. The preview in SurfaceView was also rotating but in the code i have fixed it by using the setCameraDisplayOrientation() method. 在Settings->Display中有“Auto-rotate screen” 选项，当enable或者disable的时候都会影响到系统的Rotation 2. Think of it like having this: final int Surface. It returns 0 and 90 only. Hot Network Questions Why didn't Rosalind Franklin's X-Ray crystallography photograph contain any histones, methyl groups, or transcription factors? Does GNU Tar have a single option to get absolutely everything about a tree What does Rich mean? I faced with the issue of CameraX screen rotation support. Well, you can find out what current orientation is the way @Urboss said. To Example of using the Android rotation sensor and visualizing the device rotation with a custom view. int state = (WindowManager)getSystemService(WINDOW_SERVICE)). SCREEN_ORIENTATION_LANDSCAPE);" sensor 1 The scalar component is an optional value. CameraX is an Android Jetpack library that was built with the intent to make camera development easier, which until now has been quite painful. getRotation()) { case Surface. The camera is rotating with the phone. If the user rotates while the popup is showing, android destroys the activity and then redraws it. Just reset the callback Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog the factors you need to think about are: the orientation of the device, the degree between the screen and the camera, assuming you are using the back camera, and whether you enable the activity to sense the orientation change. The CamearView class inherits from View class, and View class inherits from VisualElement class. Below is a screenshot of the sample running on a device that does not support native (DPU) rotation, but instead includes a separate 2D block which rotates the GPU I'm a new android application engineer. ROTATION_180: degrees = 180; break; case Surface Below is the code to rotate or re size your image in android. 2, 2. If you want to monitor how the user is moving their phone regardless of how the screen is being rotated, then yes you need to directly watch the sensor, and decide how you want to interpret the information you get about how the device is moving. You could change the value of the Rotation property to 2. This is known as The SurfaceTexture's transform is set by the camera API to rotate the camera output to the device's native orientation (generally portrait for phones, landscape for some How Camera2 previews are displayed on Android surfaces; The relationship between sensor orientation, display rotation, and aspect ratio; How to transform a surface to match the aspect ratio of the camera preview and Ok so I have a class that extends SurfaceView and overrides surfaceChanged - just calls startPreview surfaceCreated - opens camera, edits params *, sets surfaceHolder surfaceDestroyed - calls Build AI-powered Android apps with Gemini APIs and more. getParameters(); // parameters. ROTATION_180: degrees = 180; break; case Surface. The best solution i found is to use I'm experimenting with some Android functions. Remember, your Android screen is a touch screen. A subreddit for fans of Microsoft Surface Duo family of mobile devices. On the surfaceView which holds the Camera instance, you have to implement few methods. Surface#ROTATION_90 . CAMERA" /> Camera feature: < uses-feature android:name = "android. If I would start the app with device in landscape orientation it would rotate but this would result in erroneously reading those initialization assets, for some weird reason (maybe should have wait for the rotation to finish some how). getConfiguration(). In reality, you could either write 2 classes, one for pre-api21 and one for >=api21 (in which case this solution works fine) or, you would need to account for multiple API versions and make sure to put if checks and anonymous inner-listeners as opposed to setting global ones. SCREEN_ORIENTATION_LANDSCAPE it will flip upside down. SCREEN_ORIENTATION_UNSPECIFIED } Android Rotate Surface created using MediaCodec. Swipe down from the top of the screen on the notification bar . ROTATION_270. It's easy to create a simple camera demo by following my past tutorial. But this method is only called by the system if the device is rotated from 2. Specifically the scaling. xml android:configChanges="keyboardHidden|orientation" Code to handle @Override public void . We renamed the portrait mode to rotation lock and it activates when auto-rotate is off. you should be able to rotate the phone to the position you want and then lock the position. setDisplayOrientation changes upon onResume() 6. Existing Surfaces:[] New Configs: I'm trying to get a smooth transition on orientation change, like stock camera app does (icons rotate, camera view does not blink). I cancel the task that is being executed on the activities onDestroy() method is called. – Extend your media app to Android for Cars; Extend your media app to Wear OS; Extend your media app to Android TV; the crop rect buffer is applied before saving to disk and the rotation is saved in the Exif data. getRotation() to get the rotation angle on the emulator. in that method you should update the orientation as follow: The problem is that the camera works fine on Samsung Galaxy S with Android 2. ROTATION_270 depending on the direction it was Inside onImageCaptureSuccess, get the rotationDegrees and rotate your bitmap by that degree to get the correct orientation. In Android 9, we updated portrait rotation mode to eliminate unintentional rotations by pinning the current screen rotation even if the device position changes. adb shell "service call SurfaceFlinger 1006 i32 1" adb shell setprop debug. Most applications have only one active surface - the one of current foreground Hello AndreaFarina-0549, Welcome to our Microsoft Q&A platform! since rotation doesn't have a setter . However, when the app is in a certain ARC mode, the rotation value for the portrait orientation might not be Surface. 1. To recognize text in an image, create an InputImage object from either a Bitmap, media. ROTATION_90 = 1; final int Surface. To perform segmentation on an image, create an InputImage object from either a Bitmap, media. Call updateTextureMatrix every time when surface view is changed: i. This represents a change in the currently available size, relative to the current aspect ratio, so will change when the user switches between landscape and portrait. But my TextureView (where camerax is rendering) is recreated on config changes so it fades to 本文整理汇总了Java中android. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. CameraInfo(); * Surface creation flag: The surface contains secure content, special * measures will be taken to disallow the surface's content to be copied * from another process. layout_height="match_parent" android:rotation="32. ROTATION_180 or Surface. You can do this by using either the in-built setting or a third-party Android app. OpenCV: Identify mysterious objects and computer vision. build() val viewFinder: PreviewView = findViewById(R. There is nothing to be annoyed about. you have to manually set Remember, your Android screen is a touch screen. Use a texture view for the surface type. Surface. . Rotation was designed to replace Android's basic orientation This gist is for creating front facing camera surface view in Android - CameraManager. ROTATION_270 = 3; at the beginning of your program. I've noticed that when rotating directly between orientations with matching dimensions (so, 0 -> 180, and 90 -> 270), the configuration is not changed and the activity is not restarted. Objective is to determine number of unique frames painted each second. You In Android, locking or unlocking the orientation during runtime can be useful in various scenarios to provide a better user experience and ensure proper functionality. The only difference in my code vs. Some of Kurz gefasst musste ich die Volume up-Taste und die Power-Taste gleichzeitig gedrückt halten, bis das Surface neu startet und das Surface UEFI geöffnet wurde. 2 and now facing a problem that how to rotate a surfaceview with 90 degree,the surfaceview is used to render decoded video,a difference from common use is ,i add surfaceview as a system view by "windowManager. You can set android:rotation="90" to your layout, or call playerView. ROTATION_180, or Surface#ROTATION_270 Surface. Even in reverse portrait and reverse landscape. States of Screen orientation There are various possible screen orientation states for any android application, such as:. Samples Try Quick Guidesᵇᵉᵗᵃ It is a system integration concern, which is unrelated to the GPU model. append(Surface. Set the matrix in update transform . camera2, but I'm a little bit confused with it. ROTATION_90 or I would like to find out the detailed orientation of a device, preferably one of SCREEN_ORIENTATION_LANDSCAPE, SCREEN_ORIENTATION_PORTRAIT, SCREEN_ORIENTATION_REVERSE_LANDSCAPE, SCREEN_ORIENTATION_REVERSE_PORTRAIT from ActivityInfo or equivalent. android / platform / frameworks / native / refs/heads/main / . ActivityInfo. Surface #ROTATION_90 . addView(mysurfacetview)" in a service,so the surfaceview have the ability to Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Visit the blog The right solution is. java. ROTATION_90 or I have the activity orientation in manifest set as portrait. There is one problem here. You will have to rotate you result video afterall. in that method you should update the orientation as follow: Is it possible to get the current device orientation (portrait or landscape) from a service in Android? I do not need continuous update from the sensors; just the current device orientation. The rotation vector sensor and the gravity sensor are the most frequently used sensors for motion detection and monitoring. The Android embedder for Flutter introduces a new API, SurfaceProducer, which allows plugins to render to a Surface without needing to manage what the backing implementation is. ROTATION_90属性的典型用法代码示例。如果您正苦于以下问题：Java Surface. 0-alpha2. surfaceView: ImageView: Well, looks like I ended up answering my own question. getRotation() once Problem is the camera orientation is a complete disaster (as is capturing an image) because OEMs do not adhere to the standard. In contrast with the fine grained control camera2's API offered, CameraX (which uses the Camera2 API under the hood) aims to strike a balance between abstracting away the difficult bits of managing the Open the Rotation app. Images drawn to the Surface will be made available to the SurfaceTexture, which can attach them to an OpenGL ES texture via updateTexImage(). The third-party apps are useful if auto-rotate Android is not working on your device. illegalArgumentException: No Supported surface combination is found for camera device - id : 1 May be attempting to bind too many cases. 2 Some proximity sensors provide only binary values representing near and far. To detect poses in an image, create an InputImage object from either a Bitmap, media. The rotation is encoded as the four unit-less x, y, z, w components of a unit quaternion: sensors_event_t. I find display listener is a better way to detect the change. But it is only for portrait mode. defaultDisplay. The tiny, usually gray icon In Android 9, we updated portrait rotation mode to eliminate unintentional rotations by pinning the current screen rotation even if the device position changes. ROTATION_90 is a constant integer name. This might be true for most Android devices. Continue holding down both the volume up and power buttons until the Surface turns back on and show's it's "Surface" splash screen. ROTATION_ cannot be resolved or is not a field. Calculates the delta between a source rotation and destination rotation. The problem with this is that Configuration. 342532532523" app:surface_type="texture_view" /> Share. ROTATION_0. Thanks for the info @Husayn Hakeem. The Rotation property is provided by the VisualElement class, the property has set and get method. This code has a bug in it. However, The surface_rotation Vulkan sample allows you to toggle between pre-rotation mode and compositor mode. The object detector runs directly from a Bitmap, NV21 ByteBuffer or a YUV_420_888 media. ROTATION_0 (no rotation), Surface. Hope it will work for you. < uses-permission android:name = "android. I am trying to make methods about the display rotation, I know that the following code windowManager. I've been working on making my custom camera activity on Android, but when rotating the camera, the aspect ratio of the surface view gets messed up. You do it like this: //STEP #1: Get rotation degrees Camera. Sie können als hilfreich abstimmen, aber Sie können diesen Thread nicht beantworten oder android:configChanges="orientation" in your menifest file it will not allow to recreate activity on changing orientation of your device. However, the image buffer is scaled to fit the int rotation = display. Get started Core areas; Get the samples and docs for the features you need. This can be set to either Surface. ROTATION_90, Surface#ROTATION_180 Surface. But when i swap from portrait to landscape, i don't get the same X value. getRotation(); Surface. blob Android has included an easy-to-use quick toggle within the Navigation Pane to turn off or on the screen rotation feature easily. Setting app:surface_type="texture_view" is a must for rotation to work. NullPointerException. one of them is surfaceChanged. rotationDegrees. I am thinking that android graphics is getting the surface from WindowManager component. You can vote up the ones you like or vote down the ones you don't like, and go to the original This topic showcases how to set up CameraX use cases inside your app to get images with the correct rotation information, whether it’s from the ImageAnalysis or the ImageCapture use case. 3. Parameters parameters = mCamera. ROTATION_90, Surface. SCREEN_ORIENTATION_PORTRAIT; Question. The following examples show how to use android. getRotationDegrees(). */ public static void setCameraDisplayOrientation(Activity activity, int cameraId, I am trying to make methods about the display rotation, I know that the following code windowManager. Build AI-powered Android apps with Gemini APIs and more. ROTATION_90怎么用？Java Surface. 当旋转手机的时候，系统会做怎么的操作去通知Activity要旋转界面了。3. ; Disable auto screen orientation using setRequestedOrientation(ActivityInfo. Dieser Thread ist gesperrt. But On Clicking a button, I want to get the current device orientation (portrait or landscape) in Android ? I do not need continuous update from the sensors; just the current device orientation when i click the button is enough. ORIENTATION_PORTRAIT will be returned in both landscape modes (i. So if the phone is in reversed landscape orientation and you set it to ActivityInfo. If you had to make it for both mode then you should check camera orientation and put some check before capturing image. The getRotation() method returns one of four integer constants, defined by the Surface class: ROTATION_0: The default orientation of the device (portrait for phones). For example, if a device has a naturally With a GLSurfaceView, you're presumably using a SurfaceTexture to map the camera preview stream into a GL texture, and then rendering it. Is there a way to lock orientation during runtime? For example I'd like to allow the user to lock the screen to landscape if the user currently in landscape and toggle the menu option. ROTATION_90: degrees = 90; break; case Surface. ROTATION_270; For me information see the Android 一部の Android アプリでは、デバイスを縦向きにすると、 回転値: Surface. orientation From your context object to figure out what is the screen orientation at runtime, the possible values are documented here. I already done the icon rotation part by setting ROTATION_ANIMATION_CROSSFADE and manually start animations on activity creation. Depending on the consumer, images submitted to ANativeWindow can be shown on the display or sent to other consumers, such as Based on the set rotation, each use case will either rotate the image data directly or provide rotation metadata to the consumers of the non-rotated image data. ROTATION_90 Example 1 Copy I was not able to find any better way to rotate the screen to left or right landscape orientations for Android 2. After exiting from my application, the device should not be able to auto rotate the screen. But the image taken by camera gets rotated. You cannot get the layout (landscape/portrait) that way ofcourse, so you'll have to get the screen width/heigth to check if the current (be it changed or not, but you've checked that ;) ) position is landscape or portrait: I have made a customize video recorder using surfaceview everything is going fine just the problem is whenever i change the switch to landscape mode my recorder still captures the video is portrait mode rather than this i want that whenever while recording is going on if i switches the mode it should automatically switch the mode of recording. the selected answer just gives the the possible rotation that may have been saved in EXIF header. I want to set the camera orientation according to the device orientation in Android but nothing seems to be working. ROTATION_0 is 0 degrees, Surface,ROTATION_90 is 90 degrees etc. ROTATION_90 or SurfaceView. java Use the debug provider in Android; Use the debug provider in web apps; Use the debug provider with Flutter; Use the debug provider with C++; Use the debug provider in Unity apps init { ORIENTATIONS. I made the gles rendering backend demo using GLSurfa Display rotation may be in range 03 and these represent Surface. So: The ImageAnalysis use How can manually rotate (90/180/270) camera2 preview, using AutoFitSurfaceView/SurfaceView from example? Thanks! The text was updated successfully, Create Surface from a SurfaceTexture. Right now, I'm trying to get the rotation angle of the device, so when I show a happy face bitmap on a canvas, it always looks "straight". It turned out that this assumption was wrong. 0. Figure 5: Surface rotation with preTransform = currentTransform This is a guess based on what I know but I'm thinking Surface. rotation lock on the surface duo is worthless. Now, if I rotate the phone to landscape and then I rotate it back to portrait, the layout is going back to portrait as expected. I know I can rotate canvas, but I can't find a mathematical formula where to draw the object after the canvas is rotated by any angle, so that it is where it should be after I restore canvas. ROTATION_0: break; case Surface. Release both buttons. The problem is that when I Thanks for the info @Husayn Hakeem. rotation = 90f (in Kotlin). ROTATION_270, 180)} /** * 2. btnRotateHorizontal. 0 (the "License"); * you may not use this file except in Provided earlier solution by @Romanski works fine but it scales with cropping. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company Sign in. Here I rotate the image before saving it to sd card. The rotational vector sensor is particularly versatile and can be used for a wide range of motion-related tasks, such as detecting gestures, monitoring angular change, and monitoring relative i have an appli which display x, y, z orientation values calculated with accelerometer and magnetometer. graphic_log 1 . When ACCELEROMETER_ROTATION is zero and no on-screen Activity expresses a preference, this rotation value will be used. It is recommended that any introduced surface be easy to use when the device is held Step #2 - Hold the volume rocker in the up position and hold down on the power button until the Surface shuts down. – USER_ROTATION : Default screen rotation when no other policy applies. I tryed to implement with Rotation Vector, but my device doesn't have rotation vector sensor :s. 0. Surface flinger events can be dynamically enabled by using following commands on the android shell. view. When screen orientation change from one state to other, it is also known as configuration change. ROTATION_90; Surface. Must be one of the Surface rotation constants. The image data in the texture is not automatically rotated to be 'upright' - for one, there's no way for the OS to know how you're going to render your texture. Syntax The field ROTATION_90() from Surface is declared as: Copy public static final int ROTATION_90 = 1; Example The following code shows how to use Java Surface. Source: https: Surface. Rotation-vector sensor. 2 or below). Turn the Duo upside down (USB side up) then select Auto from the app. 1, but on Motorola the camera is ro Skip to main content switch (rotation) { case Surface. I'm trying to make a vulkan rendering backend demo which use SurfaceView as a View on android Java code. setDisplayOrientation in Camera Surface. ROTATION_0, Surface. In my Android service, I reimplemented onConfigurationChanged(Configuration newConfig) to be aware of the rotation of the device. Constructing an InputImage from those sources are recommended if you have direct access to one of them. Preview: Metadata output is provided to create the right transforms for a GLSurfaceView display using Preview. * For example, if a device has a naturally tall screen, and the user has turned it on its side to go into a * landscape orientation, the value returned here may be either Surface. I am using DefaultDisplay. and event if it is set it will be true in only one case/orientation when the picture is taken. To choose the correct rotation, you must know the way the hardware is assembled, i. Samples Try Quick Guidesᵇᵉᵗᵃ User interfaces Permissions Background work Data and files All core areas ⤵️ This question is similar to posts here, here, here, here and here, but I'm stuck and have spent hours trying to figure it out. Like : You need to get the camera's supporting parameters like this: Camera. Holding your finger on the screen while rotating your phone will lock auto rotate from working. A typical use of this method would be calculating the angular difference between the display orientation (destRotationDegrees) and camera sensor orientation (sourceRotationDegrees). Parameters parameters = camera. image?. ROTATION_270 depending The rotation can be seen as rotating the phone by an angle theta around an axis rot_axis to go from the reference (East-North-Up aligned) device orientation to the current device orientation. getRotation(); According to Android Developer Site: after android 2. 'normal', and reversed). ROTATION_90 or Surface. ROTATION_0: orientation = ActivityInfo. This also happens with any configuration change and on process death. Samples Try Quick Guidesᵇᵉᵗᵃ User interfaces Permissions Background work Data and files All core areas ⤵️ My problem is that when I change the orientation of the device, the preview picture stays landscape. When you rotate, the whole activity is restarted so all state is lost. Follow answered Mar 27, Android added pre-rotation to their Vulkan Design Guidelines. By setting screenOrientation property in Manifest you won't be able to get orientation value from onConfigurationChanged anymore as it would stop firing, it's possible to implement SensorEventListener to obtain Pitch, roll and yaw angles to calculate the orientation, but it's a bit complicated and an overkill for such a task. id. The application itself ROTATION_90. And, it will be easily crashed when you do quickly rotate the device. Preview distortion usually occurs when the size of the camera preview output is different that the size of the preview surface, to get past this issue the TextureView must be scaled appropriately to fit the preview within its bounds, or you can Screen Orientation, also known as screen rotation, is the attribute of activity element in android. In my oncreate for the activity, I set the I am trying to get surface flinger events on LogCat. If you are detecting poses in real time, capturing Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company 1 This sensor was deprecated in Android 2. However, I didn't really consider the method configureTransform to be important as, opposite to the example code, my application is forced to landscape mode anyway. So, you can rotate the screen manually or automatically. Doing any Android gestures will have this same effect. In order to change the actual recorded image you need to set the rotation parameter of the Camera. Thank you. In order to catch the orientation change event you can find the answer in the Android Dev Guide: Handling the Configuration Change Yourself From the guide : I have a similar need. ROTATION_0。 Setting "android:rotation='90'" in layout xml rotates surface view but yields black surface - no camera preview. So, whenever you I want to enable and disable Auto rotation screen of Android settings. ROTATION_0。 これは、ほとんどの Android デバイスに当てはまります。ただし、アプリが 特定 ARC モード、 縦向きの回転値は、そうでない場合があります Surface. As far as I know only last release of SDK corrects that feature. The code shown below to get surface rotation is provided in How Camera2 previews are displayed on Android surfaces. This orientation of the The app can show the video fullscreen on landscape either by rotating the device, or by clicking a button. decodeResource(getResources(), I need to know when my Android device screen is rotated from one landscape to another (rotation_90 to rotation_270). This app has an option to not just switch rotation but also can cycle between the orientations you want: Portrait, Landscape (90 degrees), Portrait reverse (180 degrees), and Landscape reverse (270 degrees). If you're building your app for Android 2. SurfaceView automatically rotates the camera sensor image buffer to match the display orientation, accounting for both sensor orientation and device rotation. Android Surface class Surface. But they do have android:screenOrientation="portrait" in the manifest so so not support landscape orientation. Nothing will happen. imageInfo. It's very easy to use an animation and show the flipping coin in an ImageView, but I require this on SurfaceView with the same smoothness. x*sin(theta/2) I'm using JavaCameraView. rotate(image. Prepare the input image. Introduction. you It seems like your updateTransform() method is only correcting the preview by rotating it so that it matches the UI orientation. data[0] = rot_axis. Samples Try Quick Guidesᵇᵉᵗᵃ User interfaces Permissions Background work Data and files All core areas ⤵️ Try running. Here's my code to calculate X, Y, Z value : The returned value may be Surface. ROTATION_0 = 0; final int Surface. ROTATION_90 for certain camera configurations based on vertical flipping. Using a media. lang. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I have a dialog fragment that shows while my application is doing a task. Homan Huang Android Developer: Active Looking for New Opportunity; Active Writer for Android Creation. Hat jmd eine Idee, woran das liegen kann ? Gruß . But while the most phones use 2. In API 9, ActivityInfo introduces If you're using TalkBack, you might want to turn off auto-rotate, since rotating the screen can interrupt spoken feedback. Image object, such as Use the debug provider in Android; Use the debug provider in web apps; Use the debug provider with Flutter; Use the debug provider with C++; Use the debug provider in Unity apps; (Surface. Skip to main content. With this you can fetch surface rotation which you’ll need to use to calculate jpeg orientation rotation angle like so. Maybe asking how to rotate the ImageProxy is the wrong question. The device orientation should report correctly when held in landscape even if the launcher is portrait (because the user has auto-rotate set to off). camera" /> You will have to deal with checking if the camera permission has been granted or not, but since this topic has been covered widely, we won’t be dealing with that in this article. The surface is actually created by SurfaceFlinger and managed by when rotation happens, surfaces created by the system for rotation animation. android:screenOrientation="landscape" However, I want to still rotate some UI elements when the device is rotated into portrait (although android will still think its in landscape, but thats on purpose). ROTATION_0, 90) ORIENTATIONS. I would like it to be able to have multiple UI orientations, not just Landscape. To control and change screen orientation, you'll have to use the Android auto-rotate setting. ROTATION_180, or Surface. surfaceCreated : java. If you need to scale to fit, then use the following solution. This is Android application and it supports both Portrait and Landscape modes. ; Run/execute Android Camera X java. setRotation(int); It is the C counterpart of the android. I tried setting the orientation of the camera but this resulted in very strange results. d(TAG, "updateTransform: "); Matrix matrix = new The Android OS can handle surface rotation by adding a compositor pass that will have a performance cost depending on how the compositor has to deal with rotating the output image The application itself can handle the surface rotation by rendering a rotated image onto a render surface that matches the current orientation of the display What Does This Build AI-powered Android apps with Gemini APIs and more. How to apply the transformation information depends on the source of the Surface, and is usually non-trivial. The returned value may be Surface. You now have reverse landscape working. SCREEN_ORIENTATION_NOSENSOR). / services / core / java / com / android / server / wm / DisplayRotation. 2 (API level 8), and this sensor type was deprecated in Android 4. About; Surface. 3 now you should use landscape orientation for camera activity. how the camera sensor is aligned with the device. 4. 2 there is the function " setDisplayOrientation "to adjust the camera preview rotation. SCREEN_ORIENTATION_LANDSCAPE Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company I'm attempting to orient a camera preview according to the screen's rotation. Android Rotate Surface created using MediaCodec. Portrait: Landscape: Transformation code: private void updateTransform() { Log. Also in Auto you can still rotate the Duo normally. Rotation, an orientation manager for smartphones, has gotten a massive update that brings it in line with Google's Material Design. Is there any way that I can give flipping animation in an ImageView then take out its content at every instant and then draw it on the SurfaceView Microsoft Surface computers work great with phones and mobile devices running on Android—including Surface Duo. ROTATION_270 depending on the direction it was 关于Rotation方面在Android中有点会涉及到。1. Below are the images that gets generated in the screen & i took screenshots. When you turn your phone or tablet sideways inside of apps that support it, Android will surface a small rotate button in the bottom left corner of the screen. It’s possible a third-party app, a system glitch, or a faulty sensor is causing your phone not to recognize the. For example, if a device has a naturally tall screen, and the user has turned it on its side to go into a landscape orientation, the value returned here may be either Surface. ROTATION_270 might need to be replaced by Surface. But on the Surface Duo, it will force rotation of the apps to portrait mode and then lock that position. Surface object in Java, and can be converted both ways. 4W (API level 20). Below is a screenshot of the sample running on a device that does not support native (DPU) rotation, but instead includes a separate 2D block which rotates the GPU output The returned value may be Surface. Prepare the input image To detect and track objects, pass images to the ObjectDetector instance's process() method. Detect surface rotation in Android Pie and below, which can be fixed by either calling vkGetPhysicalDeviceSurfaceCapabilitiesKHR or the jni Display. in onSurfaceTextureAvailable and in 有时候我们想根据自己的需要调整下Camera的预览方向，那么是调用哪个API可以达到我们的目的呢？ 我们看下下图拍的几张小可爱的照片，分别是正常方向、旋转180度、90度拍的照片。 一、Camera APICamera1上，我们可 To rotate you don't need a 3rd party library. rdsb aauks valjn ljrdh hwp aykl dpvkb ykgvgzyb gdnfnlt ytoffa