我得到一个异常,同时释放相机对象“java.lang.RuntimeException:发布后的方法”如何检查android.hardware.Camera是否被释放?
以下是我的代码和异常堆栈跟踪。
if (camera != null) {
camera.stopPreview();
camera.release();
camera = null;
}
异常堆栈跟踪 -
java.lang.RuntimeException: Method called after release()
Thread[main,5,main] android.hardware.Camera._stopPreview(Native Method)
android.hardware.Camera.stopPreview(Camera.java:626)
com.s5.selfiemonkey1.activity.Preview.surfaceDestroyed(Preview.java:152)
android.view.SurfaceView.updateWindow(SurfaceView.java:601)
android.view.SurfaceView.access$000(SurfaceView.java:88)
android.view.SurfaceView$3.onPreDraw(SurfaceView.java:183)
android.view.ViewTreeObserver.dispatchOnPreDraw(ViewTreeObserver.java:680)
android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2123)
android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1139)
android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:4872)
android.view.Choreographer$CallbackRecord.run(Choreographer.java:776)
android.view.Choreographer.doCallbacks(Choreographer.java:579)
android.view.Choreographer.doFrame(Choreographer.java:548)
android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:762)
android.os.Handler.handleCallback(Handler.java:800)
android.os.Handler.dispatchMessage(Handler.java:100)
android.os.Looper.loop(Looper.java:194)
android.app.ActivityThread.main(ActivityThread.java:5371)
java.lang.reflect.Method.invokeNative(Native Method)
java.lang.reflect.Method.invoke(Method.java:525)
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:833)
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:600)
它看起来像stopPreview()被调用释放的对象上。
[This] [1] post也处理相同的问题。希望它可以帮助你。 [1]:http://stackoverflow.com/questions/13235306/method-called-after-release-exception-camera-preview –
谢谢,但有什么办法来检查相机被释放? –