代码段：
Camera camera=Camera.open();
我的logcat输出：
01-17 16:28:01.005: E/AndroidRuntime(2681): FATAL EXCEPTION: main
01-17 16:28:01.005: E/AndroidRuntime(2681): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.demi/demi.bussiness.MakePhotoActivity}: java.lang.RuntimeException: Fail to get camera info
01-17 16:28:01.005: E/AndroidRuntime(2681): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2070)
01-17 16:28:01.005: E/AndroidRuntime(2681): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2095)
01-17 16:28:01.005: E/AndroidRuntime(2681): at android.app.ActivityThread.access$600(ActivityThread.java:135)
01-17 16:28:01.005: E/AndroidRuntime(2681): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1201)
01-17 16:28:01.005: E/AndroidRuntime(2681): at android.os.Handler.dispatchMessage(Handler.java:99)
01-17 16:28:01.005: E/AndroidRuntime(2681): at android.os.Looper.loop(Looper.java:137)
01-17 16:28:01.005: E/AndroidRuntime(2681): at android.app.ActivityThread.main(ActivityThread.java:4849)
01-17 16:28:01.005: E/AndroidRuntime(2681): at java.lang.reflect.Method.invokeNative(Native Method)
01-17 16:28:01.005: E/AndroidRuntime(2681): at java.lang.reflect.Method.invoke(Method.java:511)
01-17 16:28:01.005: E/AndroidRuntime(2681): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:795)
01-17 16:28:01.005: E/AndroidRuntime(2681): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:562)
01-17 16:28:01.005: E/AndroidRuntime(2681): at dalvik.system.NativeStart.main(Native Method)
01-17 16:28:01.005: E/AndroidRuntime(2681): Caused by: java.lang.RuntimeException: Fail to get camera info
01-17 16:28:01.005: E/AndroidRuntime(2681): at android.hardware.Camera.getCameraInfo(Native Method)
01-17 16:28:01.005: E/AndroidRuntime(2681): at android.hardware.Camera.open(Camera.java:287)
01-17 16:28:01.005: E/AndroidRuntime(2681): at demi.bussiness.MakePhotoActivity.onCreate(MakePhotoActivity.java:71)
01-17 16:28:01.005: E/AndroidRuntime(2681): at android.app.Activity.performCreate(Activity.java:5244)
01-17 16:28:01.005: E/AndroidRuntime(2681): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1082)
01-17 16:28:01.005: E/AndroidRuntime(2681): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2034)
01-17 16:28:01.005: E/AndroidRuntime(2681): ... 11 more
一切都在模拟器中运行良好但在我的lg nexus设备中失败。这是硬件问题还是别的什么？