Making a FPS shower?

Question

I am trying to make a string with FPS showing, but, how do I actually get my programs FPS? I want to do it with

g.drawString(getFPS(), 10, 10)

How do I get my FPS?

Answer 1

This code does it for me. Put it in your main program loop:

//To Measure FPS
private long now;
private int framesCount = 0;
private int framesCountAvg=0; 
private long framesTimer=0;

//Main Game Loop
    while (isRunning)
    {
        //Record the time before update and draw
        long beforeTime = System.nanoTime();
        //... Update program & draw program...
        // DRAW FPS: 
        now=System.currentTimeMillis(); 
        gEngine.drawFPS(c, framesCountAvg);
        framesCount++; 
        if(now-framesTimer>1000)
        { 
              framesTimer=now; 
              framesCountAvg=framesCount; 
              framesCount=0; 
        }}

that call "gEngine.drawFPS" just tells my main draw method to include the fps at the top of the screen (and c is my Canvas) - you can use a similar method to give your "g" class the correct framesCountAvg data to draw