if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
    Window window = getWindow();
    window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS
            | WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
    window.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
            | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
            | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
    window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
    window.setStatusBarColor(Color.TRANSPARENT);
    window.setNavigationBarColor(Color.TRANSPARENT);
}

setTitleBarColor(status_bar, R.color.new_login_colors);

/**
 * @params status_bar 顶替状态栏的view
 * @params color 状态栏颜色
 */
public void setTitleBarColor(View status_bar, int color) {
    try {
        // 设置View的高度，因为每个型号的手机状态栏高度都不相同
        status_bar.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, ScreenUtils.getStatusHeight(this)));
        // 判断SDK版本是否大于等于19，大于就让他显示，小于就要隐藏，不然低版本会多出来一个
        if (Build.VERSION.SDK_INT == Build.VERSION_CODES.KITKAT) {
            setTranslucentStatus(true);
            status_bar.setVisibility(View.VISIBLE);
        } else {
            status_bar.setVisibility(View.GONE);
        }
        // 为状态栏着色
        SystemBarTintManager tintManager = new SystemBarTintManager(this);
        tintManager.setStatusBarTintEnabled(true);
        tintManager.setStatusBarTintResource(color);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

@TargetApi(19)
private void setTranslucentStatus(boolean on) {
    try {
        Window win = getWindow();
        WindowManager.LayoutParams winParams = win.getAttributes();
        final int bits = WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS;
        if (on) {
            winParams.flags |= bits;
        } else {
            winParams.flags &= ~bits;
        }
        win.setAttributes(winParams);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

安卓设置沉浸式状态栏