E/AndroidRuntime:致命異常:主 了java.lang.RuntimeException:失敗在android.hardware.Camera.native_setup(本機方法) 連接到照相機服務 在android.hardware.Camera(Camera.java。 :423) at android.hardware.Camera.open(Camera.java:384) at ge.baqari.dev.capture.ui.view.CameraView.surfaceChanged(CameraView.kt:39) at android.view.SurfaceView .updateWindow(SurfaceView.java:617) at android.view.SurfaceView.access $ 000(SurfaceView.java:88) at android.view.SurfaceView $ 3.onPreDraw(SurfaceView.java:183) at android.view.ViewTreeObserver.dispatchOnPreDraw(ViewTreeObserver.java:692) at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2123) at android.view.ViewRootImpl。 doTraversal(ViewRootImpl.java:1139) at android.view.ViewRootImpl $ TraversalRunnable.run(ViewRootImpl.java:4879) at android.view.Choreographer $ CallbackRecord.run(Choreographer.java:776) at android.view。 Choreographer.doCallbacks(Choreographer.java:579) at android.view.Choreographer.doFrame(Choreographer.java:548) at android.view.Choreographer $ FrameDisplayEventReceiver.run(Choreog rapher.java:762) 在android.os.Handler.handleCallback(Handler.java:725) 在android.os.Handler.dispatchMessage(Handler.java:92) 在android.os.Looper.loop(活套。 java:153) at android.app.ActivityThread.main(ActivityThread.java:5341) at java.lang.reflect.Method.invokeNative(Native Method) at java.lang.reflect.Method.invoke(Method.java :511) at com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:929) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:696) at dalvik.system .NativeStart.main(本地方法)RuntimeException:無法連接到攝像頭服務?
我發現了很多答案,但他們都不幫我,我試圖創建自定義相機視圖,實現表面持有人,但它總是與Camera.open()方法,與參數和參數不一樣,崩潰崩潰,崩潰
class CameraView : android.view.SurfaceView, android.view.SurfaceHolder.Callback {
var camera: android.hardware.Camera? = null
var previewing = false
var cameraCallback: CameraCallBack? = null
var pictureCallback: PictureCallback? = null
var cameraParameters: android.hardware.Camera.Parameters? = null
private fun init() {
holder.addCallback(this)
holder.setType(SURFACE_TYPE_NORMAL)
}
constructor(context: android.content.Context, attrs: android.util.AttributeSet) : super(context, attrs) {
init()
}
override fun surfaceCreated(surfaceHolder: android.view.SurfaceHolder) {
}
override fun surfaceChanged(surfaceHolder: android.view.SurfaceHolder, i: Int, i1: Int, i2: Int) {
if (context.packageManager.hasSystemFeature(PackageManager.FEATURE_CAMERA_FLASH)){
if (previewing) {
camera?.stopPreview()
previewing = false
}
if (camera == null) {
try {
camera = Camera.open(android.hardware.Camera.CameraInfo.CAMERA_FACING_BACK)
cameraParameters!!.setPreviewSize(i1, i2)
camera!!.parameters = cameraParameters!!
camera!!.startPreview()
camera!!.setPreviewDisplay(holder)
previewing = true
} catch (e: java.io.IOException) {
e.printStackTrace()
}
}
}
}
override fun surfaceDestroyed(surfaceHolder: android.view.SurfaceHolder) {
camera!!.stopPreview()
camera!!.release()
previewing = false;
}
}
嘗試重新啓動設備。有時候,相機服務會被打開並且永遠不會關閉,並且從我找到的唯一一致的恢復方法是重新啓動設備。 – CommonsWare
我已經重新啓動了2次,但處理過,嘗試過兩個android設備,但都是華爲設備 –
發佈後,將camera var設置爲null。 –