侧滑菜单（navigationView）

MainActivity.java

//去掉标题栏（activity继承自AppCompatActivity）,为了显示ToolBar
supportRequestWindowFeature(Window.FEATURE_NO_TITLE);
//如果activity继承自Activity
requestWindowFeature(Window.FEATURE_NO_TITLE);

Window window = getWindow();
//强制显示状态栏
window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
//window负责系统bar的background绘制，绘制透明背景的系统bar
window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
//设置状态栏颜色
window.setStatusBarColor(Color.parseColor("#ffffff"));
window.setStatusBarColor(Color.TRANSPARENT);

//设置状态栏字体为黑色
window.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
//设置状态栏字体为白色
//window.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_VISIBLE);