我正在嘗試使用相機,但無法啓動。 hw.camera.back:Webcam()hw.camera.front:webcam()不知道還有什麼要補充的,因爲我無法剪切和粘貼細節。在Android 4.2.2(API等級17)上失敗的Android相機
我得到的錯誤是Unfortunatley,相機已停止。
我的代碼如下,但它不是我的代碼。當我嘗試使用相機而無法使用編程時,我得到相同的錯誤。
Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
startActivityForResult(takePictureIntent, actionCode);
在LogCat中我有以下幾點。 我在LogCat中看到的一個我不明白的錯誤是用我沒有使用的電子郵件處理,我甚至不知道如何打開或關閉它。 D/ExchangeService(617):!!!未找到電子郵件應用停止自我
03-05 19:39:12.716: I/Choreographer(409): Skipped 90 frames! The application may be doing too much work on its main thread.
03-05 19:39:12.736: D/dalvikvm(818): GC_FOR_ALLOC freed 20K, 7% free 3675K/3936K, paused 59ms, total 66ms
03-05 19:39:12.875: D/dalvikvm(818): GC_FOR_ALLOC freed 5K, 7% free 4013K/4276K, paused 61ms, total 64ms
03-05 19:39:13.056: D/Camera(818): app passed NULL surface
03-05 19:39:13.076: V/EmulatedCamera_Camera(40): getCameraInfo
03-05 19:39:13.076: V/EmulatedCamera_BaseCamera(40): getCameraInfo
03-05 19:39:13.203: D/dalvikvm(818): GC_CONCURRENT freed 73K, 5% free 4429K/4656K, paused 12ms+55ms, total 197ms
03-05 19:39:13.203: V/camera(818): Preview size is 640x480
03-05 19:39:13.243: V/EmulatedCamera_Camera(40): setParameters
03-05 19:39:13.263: V/camera(818): startPreview
03-05 19:39:13.263: V/EmulatedCamera_Preview(40): setPreviewWindow: current: 0x0 -> new: 0x0
03-05 19:39:13.263: V/EmulatedCamera_Camera(40): doStartPreview
03-05 19:39:13.263: V/EmulatedCamera_Preview(40): startPreview
03-05 19:39:13.263: D/EmulatedCamera_Camera(40): Starting camera: 640x480 -> NV21(yuv420sp)
03-05 19:39:13.263: V/EmulatedCamera_QemuDevice(40): startDevice
03-05 19:39:13.276: V/EmulatedCamera_Device(40): commonStartDevice: Allocated 0x41c42008 460800 bytes for 307200 pixels in NV21[640x480] frame
03-05 19:39:15.273: D/dalvikvm(818): GC_FOR_ALLOC freed 49K, 4% free 4605K/4776K, paused 44ms, total 46ms
03-05 19:39:15.293: I/dalvikvm-heap(818): Grow heap (frag case) to 5.684MB for 1127536-byte allocation
03-05 19:39:15.293: E/EmulatedCamera_QemuClient(40): queryStart: Query failed: Cannot start the camera
03-05 19:39:15.313: E/EmulatedCamera_QemuDevice(40): startDevice: Unable to start device 'AndroidEmulatorVC0' for NV21[640x480] frames
03-05 19:39:15.313: V/EmulatedCamera_Preview(40): stopPreview
03-05 19:39:15.378: D/dalvikvm(818): GC_FOR_ALLOC freed 1K, 3% free 5704K/5880K, paused 85ms, total 85ms
03-05 19:39:15.383: V/EmulatedCamera_CallbackNotifier(40): disableMessage: msg_type = 0x10
03-05 19:39:15.383: V/EmulatedCamera_CallbackNotifier(40): CAMERA_MSG_PREVIEW_FRAME
03-05 19:39:15.383: V/EmulatedCamera_CallbackNotifier(40): **** Currently enabled messages:
03-05 19:39:15.383: V/EmulatedCamera_CallbackNotifier(40): CAMERA_MSG_ERROR
03-05 19:39:15.383: V/EmulatedCamera_CallbackNotifier(40): CAMERA_MSG_FOCUS
03-05 19:39:15.383: V/EmulatedCamera_CallbackNotifier(40): CAMERA_MSG_ZOOM
03-05 19:39:15.383: V/EmulatedCamera_CallbackNotifier(40): CAMERA_MSG_PREVIEW_METADATA
03-05 19:39:15.393: V/EmulatedCamera_Camera(40): doStopPreview
03-05 19:39:15.393: V/EmulatedCamera_CallbackNotifier(40): disableMessage: msg_type = 0x10
03-05 19:39:15.393: V/EmulatedCamera_CallbackNotifier(40): CAMERA_MSG_PREVIEW_FRAME
03-05 19:39:15.393: V/EmulatedCamera_CallbackNotifier(40): **** Currently enabled messages:
03-05 19:39:15.393: V/EmulatedCamera_CallbackNotifier(40): CAMERA_MSG_ERROR
03-05 19:39:15.403: V/EmulatedCamera_CallbackNotifier(40): CAMERA_MSG_FOCUS
03-05 19:39:15.403: V/EmulatedCamera_CallbackNotifier(40): CAMERA_MSG_ZOOM
03-05 19:39:15.403: V/EmulatedCamera_CallbackNotifier(40): CAMERA_MSG_PREVIEW_METADATA
03-05 19:39:15.403: V/EmulatedCamera_CallbackNotifier(40): disableMessage: msg_type = 0xffff
03-05 19:39:15.403: V/EmulatedCamera_CallbackNotifier(40): CAMERA_MSG_ERROR
03-05 19:39:15.403: V/EmulatedCamera_CallbackNotifier(40): CAMERA_MSG_SHUTTER
03-05 19:39:15.403: V/EmulatedCamera_CallbackNotifier(40): CAMERA_MSG_FOCUS
03-05 19:39:15.403: V/EmulatedCamera_CallbackNotifier(40): CAMERA_MSG_ZOOM
03-05 19:39:15.403: V/EmulatedCamera_CallbackNotifier(40): CAMERA_MSG_PREVIEW_FRAME
03-05 19:39:15.403: V/EmulatedCamera_CallbackNotifier(40): CAMERA_MSG_VIDEO_FRAME
03-05 19:39:15.403: V/EmulatedCamera_CallbackNotifier(40): CAMERA_MSG_POSTVIEW_FRAME
03-05 19:39:15.403: V/EmulatedCamera_CallbackNotifier(40): CAMERA_MSG_RAW_IMAGE
03-05 19:39:15.413: V/EmulatedCamera_CallbackNotifier(40): CAMERA_MSG_COMPRESSED_IMAGE
03-05 19:39:15.413: V/EmulatedCamera_CallbackNotifier(40): CAMERA_MSG_RAW_IMAGE_NOTIFY
03-05 19:39:15.413: V/EmulatedCamera_CallbackNotifier(40): CAMERA_MSG_PREVIEW_METADATA
03-05 19:39:15.413: V/EmulatedCamera_CallbackNotifier(40): **** Currently enabled messages:
03-05 19:39:15.413: V/EmulatedCamera_Camera(40): doStopPreview
03-05 19:39:15.413: V/EmulatedCamera_Camera(40): cancelPicture
03-05 19:39:15.413: V/EmulatedCamera_Camera(40): releaseCamera
03-05 19:39:15.413: V/EmulatedCamera_Camera(40): doStopPreview
03-05 19:39:15.423: V/EmulatedCamera_QemuDevice(40): disconnectDevice
03-05 19:39:15.423: V/EmulatedCamera_QemuDevice(40): disconnectDevice: Disonnected from device 'AndroidEmulatorVC0'
03-05 19:39:15.423: I/CameraClient(40): Destroying camera 0
03-05 19:39:15.423: V/EmulatedCamera_Camera(40): closeCamera
03-05 19:39:15.423: V/EmulatedCamera_Camera(40): doStopPreview
03-05 19:39:15.443: W/dalvikvm(818): threadid=11: thread exiting with uncaught exception (group=0x40a71930)
03-05 19:39:15.483: E/AndroidRuntime(818): FATAL EXCEPTION: Thread-67
03-05 19:39:15.483: E/AndroidRuntime(818): java.lang.RuntimeException: startPreview failed
03-05 19:39:15.483: E/AndroidRuntime(818): at com.android.camera.Camera.startPreview(Camera.java:1867)
03-05 19:39:15.483: E/AndroidRuntime(818): at com.android.camera.Camera.access$3100(Camera.java:87)
03-05 19:39:15.483: E/AndroidRuntime(818): at com.android.camera.Camera$5.run(Camera.java:1112)
03-05 19:39:15.483: E/AndroidRuntime(818): at java.lang.Thread.run(Thread.java:856)
03-05 19:39:15.483: E/AndroidRuntime(818): Caused by: java.lang.RuntimeException: startPreview failed
03-05 19:39:15.483: E/AndroidRuntime(818): at android.hardware.Camera.startPreview(Native Method)
03-05 19:39:15.483: E/AndroidRuntime(818): at com.android.camera.Camera.startPreview(Camera.java:1864)
03-05 19:39:15.483: E/AndroidRuntime(818): ... 3 more
03-05 19:39:15.513: W/AudioFlinger(40): session id 7 not found for pid 40
03-05 19:39:15.523: W/AudioFlinger(40): session id 8 not found for pid 40
03-05 19:39:15.553: W/ActivityManager(291): Force finishing activity com.android.camera/.Camera
03-05 19:39:15.772: D/dalvikvm(818): GC_CONCURRENT freed 25K, 3% free 5706K/5880K, paused 67ms+25ms, total 398ms
03-05 19:39:16.013: D/dalvikvm(291): GC_FOR_ALLOC freed 1373K, 27% free 8210K/11196K, paused 132ms, total 140ms
03-05 19:39:16.363: E/SurfaceFlinger(37): ro.sf.lcd_density must be defined as a build property
03-05 19:39:16.610: W/ActivityManager(291): Activity pause timeout for ActivityRecord{410f2198 u0 com.android.camera/.Camera}
03-05 19:39:16.813: E/SurfaceFlinger(37): ro.sf.lcd_density must be defined as a build property
03-05 19:39:16.873: W/EGL_emulation(409): eglSurfaceAttrib not implemented
03-05 19:39:29.058: W/ActivityManager(291): Activity destroy timeout for ActivityRecord{410f2198 u0 com.android.camera/.Camera}
03-05 19:39:54.407: D/ExchangeService(617): Received deviceId from Email app: null
03-05 19:39:54.407: D/ExchangeService(617): !!! deviceId unknown; stopping self and retrying
03-05 19:39:59.483: D/ExchangeService(617): !!! EAS ExchangeService, onCreate
03-05 19:39:59.483: D/ExchangeService(617): !!! EAS ExchangeService, onStartCommand, startingUp = false, running = false
03-05 19:39:59.543: D/ExchangeService(617): !!! EAS ExchangeService, onStartCommand, startingUp = true, running = false
03-05 19:39:59.593: W/ActivityManager(291): Unable to start service Intent { act=com.android.email.ACCOUNT_INTENT } U=0: not found
03-05 19:39:59.593: D/ExchangeService(617): !!! Email application not found; stopping self
03-05 19:39:59.643: W/ActivityManager(291): Unable to start service Intent { act=com.android.email.ACCOUNT_INTENT } U=0: not found
03-05 19:39:59.663: E/ActivityThread(617): Service com.android.exchange.ExchangeService has leaked ServiceConnection [email protected]43240 that was originally bound here
03-05 19:39:59.663: E/ActivityThread(617): android.app.ServiceConnectionLeaked: Service com.android.exchange.ExchangeService has leaked ServiceConnection [email protected]43240 that was originally bound here
03-05 19:39:59.663: E/ActivityThread(617): at android.app.LoadedApk$ServiceDispatcher.<init>(LoadedApk.java:969)
03-05 19:39:59.663: E/ActivityThread(617): at android.app.LoadedApk.getServiceDispatcher(LoadedApk.java:863)
03-05 19:39:59.663: E/ActivityThread(617): at android.app.ContextImpl.bindService(ContextImpl.java:1418)
不要擔心電子郵件,它沒有任何與你的問題。你的問題是'startPreview()'失敗。我們可以看到一些與此相關的代碼嗎?特別有趣的是:'setPreviewWindow:current:0x0 - > new:0x0',因爲它看起來像預覽窗口沒有被設置正確。 – Geobits 2013-03-05 20:09:47
這不是我的代碼,它來自我點擊啓動屏幕上提供的相機。我使用Intent獲得了相同的代碼,在追蹤它的過程中,我發現相機本身不起作用。 – StephanM 2013-03-05 20:12:25
您是否有實際的設備(具有相同的API級別)進行測試?如果它只在模擬器上崩潰,我不會太擔心。 – Geobits 2013-03-05 20:13:48