android状态栏透明/白底黑字

/**
     * 全透状态栏
     */
    protected void setStatusBarFullTransparent() {
        if (Build.VERSION.SDK_INT >= 21) { // 21表示5.0
            Window window = getWindow();
            window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
            window.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
                    | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
            window.setStatusBarColor(Color.TRANSPARENT);
        } else if (Build.VERSION.SDK_INT >= 19) { // 19表示4.4
            getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
            // 虚拟键盘也透明
            // getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
        }
    }

    /**
     * 状态栏白底黑字
     */
    protected void setDarkStatusWhite(boolean bDark) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            View decorView = getWindow().getDecorView();
            getWindow().setStatusBarColor(getResources().getColor(android.R.color.white));//这里对应的是状态栏的颜色，就是style中colorPrimaryDark的颜色
            if (decorView != null) {
                int vis = decorView.getSystemUiVisibility();
                if (bDark) {
                    vis |= View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
                } else {
                    vis &= ~View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR;
                }
                decorView.setSystemUiVisibility(vis);
            }
        }
    }