java - stackoverflow - Android takePicture failed

take photo android nougat

Question

He intentado crear una aplicación de cámara para Android, pero cuando trato de tomar una foto, me molesta y tengo que forzarla a cerrar. El LogCat es:

    07-14 12:41:25.195: D/dalvikvm(13549): GC_EXPLICIT freed 51K, 49% free 2694K/5187K, external 3474K/4422K, paused 26ms
    07-14 12:41:25.195: D/AndroidRuntime(13549): Shutting down VM
    07-14 12:41:25.195: W/dalvikvm(13549): threadid=1: thread exiting with uncaught exception (group=0x4001e560)
    07-14 12:41:25.226: E/AndroidRuntime(13549): FATAL EXCEPTION: main
    07-14 12:41:25.226: E/AndroidRuntime(13549): java.lang.RuntimeException: takePicture failed 
    07-14 12:41:25.226: E/AndroidRuntime(13549):    at android.hardware.Camera.native_takePicture(Native Method)
    07-14 12:41:25.226: E/AndroidRuntime(13549):    at android.hardware.Camera.takePicture(Camera.java:829) 
    07-14 12:41:25.226: E/AndroidRuntime(13549):    at android.hardware.Camera.takePicture(Camera.java:793) 
    07-14 12:41:25.226: E/AndroidRuntime(13549):    at com.mvitsor.camerax.cameraMainActivity.takepic(cameraMainActivity.java:53) 
    07-14 12:41:25.226: E/AndroidRuntime(13549):    at com.mvitsor.camerax.cameraMainActivity$5.onClick(cameraMainActivity.java:44) 
    07-14 12:41:25.226: E/AndroidRuntime(13549):    at android.view.View.performClick(View.java:2485) 
    07-14 12:41:25.226: E/AndroidRuntime(13549):    at android.view.View$PerformClick.run(View.java:9089) 
    07-14 12:41:25.226: E/AndroidRuntime(13549):    at android.os.Handler.handleCallback(Handler.java:587) 
    07-14 12:41:25.226: E/AndroidRuntime(13549):    at android.os.Handler.dispatchMessage(Handler.java:92) 
    07-14 12:41:25.226: E/AndroidRuntime(13549):    at android.os.Looper.loop(Looper.java:130) 
    07-14 12:41:25.226: E/AndroidRuntime(13549):    at android.app.ActivityThread.main(ActivityThread.java:3859) 
    07-14 12:41:25.226: E/AndroidRuntime(13549):    at java.lang.reflect.Method.invokeNative(Native Method) 
    07-14 12:41:25.226: E/AndroidRuntime(13549):    at java.lang.reflect.Method.invoke(Method.java:507) 
    07-14 12:41:25.226: E/AndroidRuntime(13549):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:840) 
    07-14 12:41:25.226: E/AndroidRuntime(13549):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:598) 
    07-14 12:41:25.226: E/AndroidRuntime(13549):    at dalvik.system.NativeStart.main(Native Method) 

Y aquí está el código:

    package com.mvitsor.camerax;

    import java.io.FileNotFoundException;
    import java.io.FileOutputStream;
    import java.io.IOException;

    import android.app.Activity;
    import android.content.pm.ActivityInfo;
    import android.graphics.PixelFormat;
    import android.hardware.Camera;
    import android.os.Bundle;
    import android.util.Log;
    import android.view.SurfaceHolder;
    import android.view.SurfaceView;
    import android.view.View;
    import android.widget.ImageButton;
    import android.widget.Toast;

    public class cameraMainActivity extends Activity {
        /** Called when the activity is first created. */
        Camera camera;
        SurfaceView preview;
        SurfaceHolder previewHolder;
        ImageButton takePic;

        @Override
        public void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
            setContentView(R.layout.main_camera_layout);

            preview = (SurfaceView) findViewById(R.id.SVpreview);
            previewHolder = preview.getHolder();
            previewHolder.addCallback(surfaceCallback);
            previewHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
            takePic = (ImageButton) findViewById(R.id.btn_take_pic);

            takePic.setOnClickListener(new View.OnClickListener() {

                @Override
                public void onClick(View v) {
                    takepic();              
                }
            });
        }

        public void takepic(){
            camera.stopPreview();
            System.gc();
            camera.takePicture(null, null, photoCallback);
            //camera.takePicture(ShutterCallback, rawCallback, photoCallback);
        }

        private Camera.Size getBestPreviewSize(int width, int height,
                Camera.Parameters parameters) {
            Camera.Size result = null;

            for (Camera.Size size : parameters.getSupportedPreviewSizes()) {
                if (size.width <= width && size.height <= height) {
                    if (result == null) {
                        result = size;
                    } else {
                        int resultArea = result.width * result.height;
                        int newArea = size.width * size.height;

                        if (newArea > resultArea) {
                            result = size;
                        }
                    }
                }
            }

            return (result);
        }

        SurfaceHolder.Callback surfaceCallback = new SurfaceHolder.Callback() {

            @Override
            public void surfaceCreated(SurfaceHolder holder) {
                camera = Camera.open();

                try {
                    camera.setPreviewDisplay(previewHolder);
                } catch (Throwable t) {
                    Toast toast = Toast.makeText(cameraMainActivity.this,
                            "Exception in setPreviewDisplay", Toast.LENGTH_LONG);
                    toast.show();
                }
            }

            @Override
            public void surfaceChanged(SurfaceHolder holder, int format, int width,
                    int height) {
                Camera.Parameters parameters = camera.getParameters();

                Camera.Size bestSize = getBestPreviewSize(width, height, parameters);
                parameters.setPreviewSize(bestSize.width, bestSize.height);

                parameters.setPictureFormat(PixelFormat.JPEG);
                camera.setParameters(parameters);
                camera.startPreview();
            }

            @Override
            public void surfaceDestroyed(SurfaceHolder holder) {
                camera.stopPreview();
                camera.release();
                camera = null;
            }

        };

        /*
        Camera.ShutterCallback ShutterCallback = new Camera.ShutterCallback() {
            public void onShutter() {
            }
        };

        PictureCallback rawCallback = new PictureCallback() {
            public void onPictureTaken(byte[] data, Camera camera) {
            }
        };
        */

        Camera.PictureCallback photoCallback = new Camera.PictureCallback() {
            public void onPictureTaken(byte[] data, Camera camera) {
                // Save the image JPEG data to the SD card
                FileOutputStream outStream = null;
                try {
                  outStream = new FileOutputStream("/sdcard/test.jpg");
                  outStream.write(data);
                  outStream.close();
                } catch (FileNotFoundException e) {
                  Log.d("CAMERA", e.getMessage());
                } catch (IOException e) {
                  Log.d("CAMERA", e.getMessage());
                }
                camera.startPreview();
                /*new SavePhotoTask().execute(data);
                camera.startPreview();*/
            }
        };
    }

He intentado ambos camera.takePicture(null, null, photoCallback); y camera.takePicture(ShutterCallback, rawCallback, photoCallback); , como puede ver, y también leí en algún lugar que System.gc(); podría funcionar, pero no fue así. Además, leí que un problema común era olvidar reiniciar la vista previa después de tomar la foto, pero estoy llamando a camera.startPreview(); después de eso, ¡así que realmente no sé lo que está pasando!

Estoy ejecutando Android 2.3.3 (Motorola Razr). (Parece que muchas personas tienen problemas con la cámara en Android 2.3.3 ...).

Estaría muy agradecido si alguien pudiera ayudar!

Vitor Martes Sternlicht

HE CARGADO TODO EL PROYECTO A http://www.4shared.com/rar/meSWrQPm/CameraTest.html

Descargué una aplicación que mostró este registro ... Tal vez hay algo aquí que podría ayudar: parece que ocurrió el problema al crear el directorio de archivos. ¿Como puedo resolver esto?

    07-15 12:43:36.578 27203 27487 W ActivityManager:   Force finishing activity com.mvitsor.camerax/.cameraMainActivity
    07-15 12:43:36.601 27203 27221 W ApplicationContext: Unable to create files directory

Aquí está el registro completo

    07-15 13:09:08.226 27203 27582 W ActivityManager:   Force finishing activity com.mvitsor.camerax/.cameraMainActivity
    07-15 12:43:36.601 27203 27221 W ApplicationContext: Unable to create files directory
    07-15 13:09:08.414 27203 27221 I ActivityManager: Config changed: { scale=1.0 imsi=724/10 loc=pt_BR touch=3 keys=1/1/2 nav=1/1 orien=1 layout=268435490 uiMode=17 seq=139}
    07-15 13:09:08.726 27203 27219 W ActivityManager: Activity pause timeout for HistoryRecord{40562350 com.mvitsor.camerax/.cameraMainActivity}
    07-15 13:09:09.132 27203 27219 I ActivityManager: No longer want android.process.media (pid 11091): hidden #21
    07-15 13:09:09.515 27203 27488 I WindowManager: WIN DEATH: Window{40d859a8 com.mvitsor.camerax/com.mvitsor.camerax.cameraMainActivity paused=false}
    07-15 13:09:09.515 27203 27499 I ActivityManager: Process com.mvitsor.camerax (pid 11848) has died.
    07-15 13:09:09.515 27203 27426 I WindowManager: WIN DEATH: Window{40ef8c70 SurfaceView paused=false}
    07-15 13:09:09.539 27203 27210 I MotOverlay: disable_streaming_locked
    07-15 13:09:09.539 27203 27210 I MotOverlay: Destroying overlay/fd=300/obj=4650c000
    07-15 13:09:09.539 27498 24620 D IMirrorIpc: onTransact (2)
    07-15 13:09:09.539 27498 24620 D MirrorIpc: unregisterCallback: client 0
    07-15 13:09:09.539 27498 24620 D MirrorUCMgrIpcCB: ipcInit - Client already exists
    07-15 13:09:09.539 27498 24620 D MirrorEngine: hdmiMirrorActiveOverlay/0
    07-15 13:09:09.539 27174 11890 D OverlayDisplayAdapter: hardware/ti/omap4/omap3/camera-omap4/src/OverlayDisplayAdapter.cpp:714 processHalMsg - Display thread received DISPLAY_EXIT command from Camera HAL.
    07-15 13:09:09.539 27174 11890 D OverlayDisplayAdapter: hardware/ti/omap4/omap3/camera-omap4/src/OverlayDisplayAdapter.cpp:715 processHalMsg - Stopping display thread...
    07-15 13:09:09.539 27174 11890 D OverlayDisplayAdapter: hardware/ti/omap4/omap3/camera-omap4/src/OverlayDisplayAdapter.cpp:735 processHalMsg - +Signalling display semaphore
    07-15 13:09:09.539 27174 11890 D OverlayDisplayAdapter: hardware/ti/omap4/omap3/camera-omap4/src/OverlayDisplayAdapter.cpp:740 processHalMsg - -Signalling display semaphore
    07-15 13:09:09.539 27174 27672 E CameraHal: hardware/ti/omap4/omap3/camera-omap4/src/AppCallbackNotifier.cpp:1517 stop - AppCallbackNotifier already in stopped state
    07-15 13:09:09.539 27174 11876 D CameraHal: hardware/ti/omap4/omap3/camera-omap4/src/AppCallbackNotifier.cpp:161 notificationThread - Notification Thread received message from Camera HAL
    07-15 13:09:09.539 27174 11876 D CameraHal: hardware/ti/omap4/omap3/camera-omap4/src/AppCallbackNotifier.cpp:848 processMessage - +Msg get...
    07-15 13:09:09.539 27174 11876 D CameraHal: hardware/ti/omap4/omap3/camera-omap4/src/AppCallbackNotifier.cpp:850 processMessage - -Msg get...
    07-15 13:09:09.539 27174 11876 D CameraHal: hardware/ti/omap4/omap3/camera-omap4/src/AppCallbackNotifier.cpp:869 processMessage - Received NOTIFIER_EXIT command from Camera HAL
    07-15 13:09:09.539 27174 11876 D CameraHal: hardware/ti/omap4/omap3/camera-omap4/src/AppCallbackNotifier.cpp:880 processMessage - +Signalling semaphore from CameraHAL..
    07-15 13:09:09.539 27174 11876 D CameraHal: hardware/ti/omap4/omap3/camera-omap4/src/AppCallbackNotifier.cpp:883 processMessage - -Signalling semaphore from CameraHAL..
    07-15 13:09:09.539 27174 11876 D CameraHal: hardware/ti/omap4/omap3/camera-omap4/src/AppCallbackNotifier.cpp:165 notificationThread - Notification Thread exiting.
    07-15 13:09:09.539 27174 11876 D CameraHal: hardware/ti/omap4/omap3/camera-omap4/src/AppCallbackNotifier.cpp:190 notificationThread - Notification Thread exited.
    07-15 13:09:09.539 27174 27672 D CameraHal: hardware/ti/omap4/omap3/camera-omap4/src/AppCallbackNotifier.cpp:938 ~AppCallbackNotifier - Stopping Event Provider
    07-15 13:09:09.539 27174 27672 D CameraHal: hardware/ti/omap4/omap3/camera-omap4/src/AppCallbackNotifier.cpp:946 ~AppCallbackNotifier - Stopping Frame Provider
    07-15 13:09:09.539 27174 27672 D CameraHal: hardware/ti/omap4/omap3/camera-omap4/src/BaseCameraAdapter.cpp:476 sendCommand - Set time out
    07-15 13:09:09.539 27174 27672 D OMXCameraAdapter: 
    07-15 13:09:09.539 27174 27672 D OMXCameraAdapter: 
    07-15 13:09:09.539 27174 27672 D OMXCameraAdapter: **** ~OMXCameraAdapter called() ! ****
    07-15 13:09:09.539 27174 27672 D OMXCameraAdapter: 
    07-15 13:09:09.585 27174 27672 E DOMX_RPC: Closing IPC
    07-15 13:09:09.585 27174 11875 D OMXCameraAdapter: hardware/ti/omap4/omap3/camera-omap4/src/OMXCameraAdapter/OMXCameraAdapter.cpp:9462 Handler - msg.command = -1
    07-15 13:09:09.585 27174 11875 E OMXCameraAdapter: hardware/ti/omap4/omap3/camera-omap4/src/OMXCameraAdapter/OMXCameraAdapter.cpp:9476 Handler - Exiting command handler
    07-15 13:09:09.585 27174 27672 D OMXCameraAdapter: 
    07-15 13:09:09.585 27174 27672 D OMXCameraAdapter: 
    07-15 13:09:09.585 27174 27672 D OMXCameraAdapter: **** ~OMXCameraAdapter exiting ! ****
    07-15 13:09:09.585 27174 27672 D OMXCameraAdapter: 
    07-15 13:09:09.601 27174 27672 D CameraHal: 
    07-15 13:09:09.601 27174 27672 D CameraHal: 
    07-15 13:09:09.601 27174 27672 D CameraHal: **** ~CameraHal() ****
    07-15 13:09:09.601 27174 27672 D CameraHal: 
    07-15 13:09:09.601 27174 27672 D CameraHal: 
    07-15 13:09:11.523 27203 27552 I ActivityManager: Starting: Intent { act=android.intent.action.MAIN flg=0x10500000 cmp=de.softxperience.android.nedebug/.LogcatActivity } from pid 27542

Answer 1

¿Seguro que solicitaste permiso para tomar una foto (y usar las funciones de la cámara)?

<uses-permission android:name="android.permission.CAMERA" />
<uses-feature android:name="android.hardware.camera" />
<uses-feature android:name="android.hardware.camera.autofocus" />

Answer 2

Intente agregar el siguiente permiso, ya que al capturarlo no está permitido almacenar la imagen ...

<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />