android-bitmap

问题 I am trying to overlay a image in a specific position in the video so that i can combine both.But could not place the image to exact position selected.its moving somewhere else the final output. I am using this library to combine image and video https://github.com/MasayukiSuda/Mp4Composer-android (out of box Any other library suggestions)In this library i can set the image in 4 different positions: public enum Position { LEFT_TOP, LEFT_BOTTOM, RIGHT_TOP, RIGHT_BOTTOM } mp4Composer = new

问题 I am trying to overlay a image in a specific position in the video so that i can combine both.But could not place the image to exact position selected.its moving somewhere else the final output. I am using this library to combine image and video https://github.com/MasayukiSuda/Mp4Composer-android (out of box Any other library suggestions)In this library i can set the image in 4 different positions: public enum Position { LEFT_TOP, LEFT_BOTTOM, RIGHT_TOP, RIGHT_BOTTOM } mp4Composer = new

来源： https://stackoverflow.com/questions/40450023/caused-by-java-lang-nullpointerexception-attempt-to-invoke-virtual-method-int

来源： https://stackoverflow.com/questions/40450023/caused-by-java-lang-nullpointerexception-attempt-to-invoke-virtual-method-int

问题 I'm developing an Android app which uses a background Service to programmatically capture a screenshot of whatever is on the screen currently. I obtain the screenshot as a Bitmap . Next, I successfully imported OpenCV into my Android project. What I need to do now is blur a subset of this image, i.e. not the entire image itself, but a [rectangular] area or sub-region within the image. I have an array of Rect objects representing the rectangular regions that I need to blur within the

问题 I'm developing an Android app which uses a background Service to programmatically capture a screenshot of whatever is on the screen currently. I obtain the screenshot as a Bitmap . Next, I successfully imported OpenCV into my Android project. What I need to do now is blur a subset of this image, i.e. not the entire image itself, but a [rectangular] area or sub-region within the image. I have an array of Rect objects representing the rectangular regions that I need to blur within the

问题 I want to convert CameraX preview to bitmap from previewView. Something similar to textureView.bitmap I have tried it with a textureview and it works perferctly, i can take a screenshot of the cameraview but the camera is stretched. 回答1: PreviewView now supports screenshot by calling PreviewView.getBitmap(). See: https://developer.android.com/reference/androidx/camera/view/PreviewView#getBitmap() 回答2: I finally found the answer in this link First set preferred implementationmode to

问题 I want to convert CameraX preview to bitmap from previewView. Something similar to textureView.bitmap I have tried it with a textureview and it works perferctly, i can take a screenshot of the cameraview but the camera is stretched. 回答1: PreviewView now supports screenshot by calling PreviewView.getBitmap(). See: https://developer.android.com/reference/androidx/camera/view/PreviewView#getBitmap() 回答2: I finally found the answer in this link First set preferred implementationmode to

问题 I want to convert CameraX preview to bitmap from previewView. Something similar to textureView.bitmap I have tried it with a textureview and it works perferctly, i can take a screenshot of the cameraview but the camera is stretched. 回答1: PreviewView now supports screenshot by calling PreviewView.getBitmap(). See: https://developer.android.com/reference/androidx/camera/view/PreviewView#getBitmap() 回答2: I finally found the answer in this link First set preferred implementationmode to

问题 I want to convert CameraX preview to bitmap from previewView. Something similar to textureView.bitmap I have tried it with a textureview and it works perferctly, i can take a screenshot of the cameraview but the camera is stretched. 回答1: PreviewView now supports screenshot by calling PreviewView.getBitmap(). See: https://developer.android.com/reference/androidx/camera/view/PreviewView#getBitmap() 回答2: I finally found the answer in this link First set preferred implementationmode to