open android system camera occurs error using jni invoke java

[senmx]

java:

public void callExternalCamera() {
    String action = "android.media.action.IMAGE_CAPTURE";
    Intent intent = new Intent(action);
    File extDir = android.os.Environment.getExternalStorageDirectory();
    String filename = "camera.jpg";
    File photo = new File(extDir, filename);
    Uri takePhotoSavedUri = Uri.fromFile( photo );
    intent.putExtra(MediaStore.EXTRA_OUTPUT, takePhotoSavedUri);
    int SHOOT_PHOTO = 1;
    startActivityForResult(intent, SHOOT_PHOTO);//This line caused, if delete this then it's ok.
}

qt:

QAndroidJniObject activity = QtAndroid::androidActivity();
activity.callMethod<void>("callExternalCamera","()V");

error:

F .s.p: java_vm_ext.cc:570] JNI DETECTED ERROR IN APPLICATION: JNI GetStaticMethodID called with pending exception android.os.FileUriExposedException: file:///storage/emulated/0/camera.jpg exposed beyond app through ClipData.Item.getUri()
F .s.p: java_vm_ext.cc:570]   at void android.os.StrictMode.onFileUriExposed(android.net.Uri, java.lang.String) (StrictMode.java:2083)
F .s.p: java_vm_ext.cc:570]   at void android.net.Uri.checkFileUriExposed(java.lang.String) (Uri.java:2395)
F .s.p: java_vm_ext.cc:570]   at void android.content.ClipData.prepareToLeaveProcess(boolean, int) (ClipData.java:977)
...

[senmx]

https://stackoverflow.com/questions/48117511/exposed-beyond-app-through-clipdata-item-geturi