You can open two cameras at the same time on the Android platform for data acquisition, the premise is that the system needs to support, while opening two cameras

DualCamera
DualCamera\.classpath
DualCamera\.project
DualCamera\.settings
DualCamera\.settings\org.eclipse.jdt.core.prefs
DualCamera\AndroidManifest.xml
DualCamera\assets
DualCamera\bin
DualCamera\bin\AndroidManifest.xml
DualCamera\bin\classes
DualCamera\bin\classes.dex
DualCamera\bin\classes\com
DualCamera\bin\classes\com\dingchang
DualCamera\bin\classes\com\dingchang\DualCameraTest
DualCamera\bin\classes\com\dingchang\DualCameraTest\BuildConfig.class
DualCamera\bin\classes\com\dingchang\DualCameraTest\CameraTest$myCallBack.class
DualCamera\bin\classes\com\dingchang\DualCameraTest\CameraTest.class
DualCamera\bin\classes\com\dingchang\DualCameraTest\R$attr.class
DualCamera\bin\classes\com\dingchang\DualCameraTest\R$drawable.class
DualCamera\bin\classes\com\dingchang\DualCameraTest\R$id.class
DualCamera\bin\classes\com\dingchang\DualCameraTest\R$layout.class
DualCamera\bin\classes\com\dingchang\DualCameraTest\R$string.class
DualCamera\bin\classes\com\dingchang\DualCameraTest\R.class
DualCamera\bin\dexedLibs
DualCamera\bin\DualCameraTest.apk
DualCamera\bin\res
DualCamera\bin\resources.ap_
DualCamera\bin\res\crunch
DualCamera\bin\res\crunch\drawable-hdpi
DualCamera\bin\res\crunch\drawable-hdpi\camera2.png
DualCamera\bin\res\crunch\drawable-hdpi\camera3.png
DualCamera\bin\res\crunch\drawable-hdpi\ic_launcher.png
DualCamera\bin\res\crunch\drawable-ldpi
DualCamera\bin\res\crunch\drawable-ldpi\ic_launcher.png
DualCamera\bin\res\crunch\drawable-mdpi
DualCamera\bin\res\crunch\drawable-mdpi\ic_launcher.png
DualCamera\bin\res\crunch\drawable-xhdpi
DualCamera\bin\res\crunch\drawable-xhdpi\ic_launcher.png
DualCamera\gen
DualCamera\gen\com
DualCamera\gen\com\dingchang
DualCamera\gen\com\dingchang\DualCameraTest
DualCamera\gen\com\dingchang\DualCameraTest\BuildConfig.java
DualCamera\gen\com\dingchang\DualCameraTest\R.java
DualCamera\proguard-project.txt
DualCamera\project.properties
DualCamera\res
DualCamera\res\drawable-hdpi
DualCamera\res\drawable-hdpi\camera2.png
DualCamera\res\drawable-hdpi\camera3.png
DualCamera\res\drawable-hdpi\ic_launcher.png
DualCamera\res\drawable-ldpi
DualCamera\res\drawable-ldpi\ic_launcher.png
DualCamera\res\drawable-mdpi
DualCamera\res\drawable-mdpi\ic_launcher.png
DualCamera\res\drawable-xhdpi
DualCamera\res\drawable-xhdpi\ic_launcher.png
DualCamera\res\layout
DualCamera\res\layout\login.xml
DualCamera\res\layout\main.xml
DualCamera\res\layout\save.xml
DualCamera\res\values
DualCamera\res\values\strings.xml
DualCamera\src
DualCamera\src\com
DualCamera\src\com\dingchang
DualCamera\src\com\dingchang\DualCameraTest
DualCamera\src\com\dingchang\DualCameraTest\CameraTest.java
DualCamera\说明.htm

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