surfaceview

I want to create an cropping application using surfaceview on the android operating system. I've made ​​a display surface for displaying direct view camera, but I still fails when I want to add a cropping feature directly on the camera display. Figure edits below this is going to accomplish: When the capture button is clicked then the images result will appear on the screen, as shown below: The following is the source code MainActivity.java package com.example.CameraPreview1; import java.io.IOException; import java.util.List; import curso.citic15.camara.R; import android.app.Activity; import

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: What is the best way for Camera Live filters. I am recently using GPUImage Library from Link: https://github.com/CyberAgent/android-gpuimagelibrary . Than I have found SurfaceView and GLSurfaceView. Problem is: How to apply live filter to camera using SurfaceView or GLSurfaceView. Thanks in advance. 回答1: This link uses Texture View https://github.com/google/grafika/blob/master/src/com/android/grafika/LiveCameraActivity.java This uses surface view to play a movie..u can manipulate it for live camera https://github.com/google/grafika/blob

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: If i am not using mCamera.release(); in surfaceDestroyed(....) then not able to launch CameraActivity again from another Activity [in short getting Unfortunately app has stopped ] error, even not releasing Camera , but if i do tap on Home button [ from CameraActivity ], and then again launching my app , not getting any error (in short works fine, and opening CameraActivity without any problem) And if i am using * mCamera.release(); * in surfaceDestroyed(....) then able to launch CameraActivity again from another Activity and releasing Camera

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am working on video recording app in which i want to display preview and when user click on record button it start recording and when user click stop button it stop recording. I got video preview on my surface but when i press start button it crash with error "MEDIA.RECORDER.START(Native MEthod). Here is my code Please help me guys. @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); surfaceView = (SurfaceView) findViewById(R.id.surface_camera);

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I need to be able to rotate a video on screen, so I created a custom TextureView which provides a convenience layer over a MediaPlayer similar to how the current implementation of VideoView does. This Android blog post says the following about TextureView: Because a SurfaceView’s content does not live in the application’s window, it cannot be transformed (moved, scaled, rotated) efficiently. This makes it difficult to use a SurfaceView inside a ListView or a ScrollView. SurfaceView also cannot interact properly with some features of the UI

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 由 翻译 强力驱动 问题: The difficulty I am having now is to take a screenshot of the SurfaceView. Could anyone please help? My team is doing an Android project where we use MediaCodec to decode the video feed and render the feed onto a Surface. The activity implements SurfaceHolder . Callback Then we created a SurfaceView and add the Callback: mySurfaveView . getHolder (). addCallback ( this ); Then we start decode the video feed in (we have a method that does the decode) surfaceChanged ( SurfaceHolder holder , int format , int width , int height ) The

可以将文章内容翻译成中文,广告屏蔽插件可能会导致该功能失效(如失效，请关闭广告屏蔽插件后再试): 问题: I am trying to use Zxing Library for developing a barcode scanner. My activity is as follows: public class Scanner extends Activity { private static final String PACKAGE = "com.test.scan"; private static final String SCANNER = "com.google.zxing.client.android.SCAN"; private static final String SCAN_FORMATS = "UPC_A,UPC_E,EAN_8,EAN_13,CODE_39,CODE_93,CODE_128"; private static final String SCAN_MODE = "QR_CODE_MODE"; public static final int REQUEST_CODE = 1; @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); setContentView