如何解决我无法使用API <= 22使用Android Studio和Unity在设备中启动割炬为什么?
您好朋友,我正在尝试统一使用火炬。从文档中我注意到,只有在我们使用API> 22的情况下,setTorchMode()才适用。它对于API> 22正常工作。但是对于低于API this。但是即使我的应用程序没有在API CameraService: Permission Denial: can't use the camera
详细错误报告:
08-18 09:27:22.343 758-835/? I/ActivityManager: Killing
14121:com.google.android.partnersetup/u0a7 (adj 15): DHA:empty #19
08-18 09:27:22.343 196-2615/? W/ServiceManager: Permission failure:
android.permission.CAMERA from uid=10242 pid=14010
08-18 09:27:22.343 196-2615/? E/CameraService: Permission Denial: can't
use the camera pid=14010,uid=10242
08-18 09:27:22.343 14010-14051/? W/CameraBase: An error occurred while
connecting to camera: 0
08-18 09:27:22.353 14010-14051/? E/ContentValues: TorchMode:
java.lang.RuntimeException: Fail to connect to camera service
`enter code here`at android.hardware.Camera.<init>(Camera.java:568)
at android.hardware.Camera.open(Camera.java:426)
at
com.mugames.torchlibrary.AndroidTrochClass.TorchMode
(AndroidTrochClass.java:64)
at com.unity3d.player.UnityPlayer.nativeRender(Native Method)
at com.unity3d.player.UnityPlayer.access$300(Unknown Source)
at com.unity3d.player.UnityPlayer$e$1.handleMessage(Unknown Source)
at android.os.Handler.dispatchMessage(Handler.java:98)
at android.os.Looper.loop(Looper.java:145)
at com.unity3d.player.UnityPlayer$e.run(Unknown Source)
这是我的C#(统一代码)
private void Awake()
{
if(!Permission.HasUserAuthorizedPermission(Permission.Camera))
{
Permission.RequestUserPermission(Permission.Camera);
}
}
void Start()
{
AndroidJavaClass unityPlayer = new AndroidJavaClass("com.unity3d.player.UnityPlayer");
AndroidJavaObject activity = unityPlayer.GetStatic<AndroidJavaObject>("currentActivity");
AndroidJavaObject context = activity.Call<AndroidJavaObject>("getApplicationContext");
javaObject = new AndroidJavaObject("com.mugames.torchlibrary.AndroidTrochClass");
javaObject.Call("Init",context);
javaObject.Call("TorchMode",true);
}
这也是我针对API
try {
if(camera== null && parameters==null) {
camera = Camera.open();
parameters = camera.getParameters();
List<String> modesAvailable = parameters.getSupportedFlashModes();
if (modesAvailable.contains(Camera.Parameters.FLASH_MODE_TORCH)) {
parameters.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH);
} else if (modesAvailable.contains((Camera.Parameters.FLASH_MODE_ON))) {
parameters.setFlashMode(Camera.Parameters.FLASH_MODE_ON);
} else {
Log.d("Unity","No Flash Available");
}
camera.setParameters(parameters);
}
if (state) {
camera.startPreview();
} else {
camera.stopPreview();
}
}
catch (Exception e)
{
Log.e(TAG,"TorchMode: ",e);
e.printStackTrace();
}
注意:我使用Java类就像插件一样,所以Java类没有扩展,因此我将当前上下文传递给Java方法
解决方法
发现了!!我需要在清单文件中添加Camera权限;)
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