Optimizing launch time for Android app -

my app contains single activity , fragment listview.

the listview items (not more 5) being loaded sqlite. each item comprises of 3 textview , imageview.

but still taking more 1 second load app.

can please suggest tips decrease launching time of android app.

code flow:

oncreate method of activity:

super.oncreate() // finding 2 views id // initialising fragment manager // initialising toolbar // setting toolbar supportactionbar // filehandle initialization // databasehandle initialization   if (condition using filehandle) {     // add fragmenta } else {    if (condition using databasehandle) {       // add fragmentb    } else {       // add fragmentc    }    // update filehandle }