当录制好视频按home再进入的显示是怎么保留播放界面的呢

[candrwow]

在也可直接点击下载体验的demo.apk中，视频录制完在循环播放界面时，按home键进入后台，再进入应用。会先在MainActivity闪烁一次，再显示视频播放界面，有办法让MainActivity不显示吗？另外引用你的库去执行上述操作会出现闪退，提示的是
ava.lang.RuntimeException: getParameters failed (empty parameters)
at android.hardware.Camera.native_getParameters(Native Method)
at android.hardware.Camera.getParameters(Camera.java:1890)
at com.cjt2325.cameralibrary.JCameraView.startRecord(JCameraView.java:464)
at com.cjt2325.cameralibrary.JCameraView.access$900(JCameraView.java:33)
at com.cjt2325.cameralibrary.JCameraView$1.record(JCameraView.java:145)
at com.cjt2325.cameralibrary.CaptureButton$RecordRunnable.run(CaptureButton.java:349)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:148)
at android.app.ActivityThread.main(ActivityThread.java:5417)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)