RTApi methods in onCreate Method affects the activity performace (Black screen for sometime before activity start)

[rajazeeshanahmed]

Here is my code

protected void onCreate(Bundle savedInstanceState) {
setTheme(R.style.ThemeLight);
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_app_form);
RTApi rtApi = new RTApi(this, new RTProxyImpl(this), new RTMediaFactoryImpl(this, true));
rtManager = new RTManager(rtApi, savedInstanceState);
ViewGroup toolbarContainer = (ViewGroup) findViewById(R.id.rte_toolbar_container);
RTToolbar rtToolbar0 = (RTToolbar) findViewById(R.id.rte_toolbar);
if (rtToolbar0 != null) {
rtManager.registerToolbar(toolbarContainer, rtToolbar0);
}

    RTToolbar rtToolbar1 = (RTToolbar) findViewById(R.id.rte_toolbar_character);
    if (rtToolbar1 != null) {
        rtManager.registerToolbar(toolbarContainer, rtToolbar1);
    }

    // register toolbar 2 (if it exists)
    RTToolbar rtToolbar2 = (RTToolbar) findViewById(R.id.rte_toolbar_paragraph);
    if (rtToolbar2 != null) {
        rtManager.registerToolbar(toolbarContainer, rtToolbar2);
    }
    initialize();
}

When i start this activity, A black empty screen become appear for 4-5 seconds and then activity starts. Is there any problem in my implementation?

[1gravity]

I'm fairly certain, it's not the RTApi methods, RTApi is just a proxy and doesn't do much of its own. Inflating the layout with the icons is what takes time on certain devices. The only way to get around that is to use other icons with lower resolution or use less icons.