How to programmatically change the primary color in Android L?

Question

Is there a way to change programmatically the primary colors. I would like to do it in code depending on the screen/state of the app.

Currently I can only set the co

Answer 1

USe this code for setting toolbarcolor and status bar (darker toolbar color)

toolbar.setBackgroundColor(toolbarColor);
factor=0.8f; 
int a = Color.alpha(toolbarcolor);
int r = Math.round(Color.red(toolbarcolor) * factor);
int g = Math.round(Color.green(toolbarcolor) * factor);
int b = Math.round(Color.blue(toolbarcolor) * factor);
int statusColor=Color.argb(a,
        Math.min(r, 255),
        Math.min(g, 255),
        Math.min(b, 255));
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
    Window window = MainActivity.this.getWindow();
    window.setStatusBarColor(statusColor);
}