点击录像的时候报错了

[liugt34]

OS:Android 7.1.1

E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.yph.camerasurfaceview, PID: 8969
java.lang.RuntimeException: start failed.
at android.media.MediaRecorder.start(Native Method)
at com.yph.camerasurfaceview.CameraSurfaceView.startRecord(CameraSurfaceView.java:455)
at com.yph.camerasurfaceview.CameraSurfaceView.startRecord(CameraSurfaceView.java:417)
at com.yph.camerasurfaceview.MainActivity$2.onCheckedChanged(MainActivity.java:33)
at android.widget.CompoundButton.setChecked(CompoundButton.java:156)
at android.widget.ToggleButton.setChecked(ToggleButton.java:71)
at android.widget.CompoundButton.toggle(CompoundButton.java:115)
at android.widget.CompoundButton.performClick(CompoundButton.java:120)
at android.view.View$PerformClick.run(View.java:22429)
at android.os.Handler.handleCallback(Handler.java:751)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6119)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)
Application terminated.