Display a progress bar loading jme3 app

hi all i d like to display a progress bar when my phone load my jme3 app .

If i do just the progress bar no problem.It appears;but if i add

[java] ctx = (OGLESContext) app.getContext();

view = ctx.createView(input, eglConfigType, eglConfigVerboseLogging);



setContentView(view); [/java]

after setContentView(R.layout.main);

progress bar never appear

why?