Android 4.4以上"沉浸式"状态栏效果的实现方法

 /**
  * 状态栏颜色设置方法
  * @param context
  * @param color
  */
 public static void smartTintManager(Activity context, int color){
   if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
     Window window = context.getWindow();
     window.addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
     // 创建状态栏的管理实例
     SystemBarTintManager tintManager = new SystemBarTintManager(context);
     // 激活状态栏设置
     tintManager.setStatusBarTintEnabled(true);
     tintManager.setStatusBarTintColor(color);
   }
 }

 private void setupStatusBarView(Context context, ViewGroup decorViewGroup) {
   mStatusBarTintView = new View(context);
   LayoutParams params = new LayoutParams(LayoutParams.MATCH_PARENT, mConfig.getStatusBarHeight());
   params.gravity = Gravity.TOP;
   if (mNavBarAvailable && !mConfig.isNavigationAtBottom()) {
     params.rightMargin = mConfig.getNavigationBarWidth();
   }
   mStatusBarTintView.setLayoutParams(params);
   mStatusBarTintView.setBackgroundColor(DEFAULT_TINT_COLOR);
   mStatusBarTintView.setVisibility(View.GONE);
   decorViewGroup.addView(mStatusBarTintView);
 }

 /**
  * Constructor. Call this in the host activity onCreate method after its
  * content view has been set. You should always create new instances when
  * the host activity is recreated.
  *
  * @param activity The host activity.
  */
 @TargetApi(19)
 public SystemBarTintManager(Activity activity) {

   Window win = activity.getWindow();
   //获得DecorView根布局容器
   ViewGroup decorViewGroup = (ViewGroup) win.getDecorView(); 
   ..... 
   if (mStatusBarAvailable) {
     // 这个view容器是decorViewGroup
     setupStatusBarView(activity, decorViewGroup);
   }
   if (mNavBarAvailable) {
     setupNavBarView(activity, decorViewGroup);
   }

 }

@SuppressLint("InlinedApi")
public static void setImmerseLayout(Activity context, View view) {
  if (context == null || view == null) {
    return;
  }
  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
    Window window = context.getWindow();
    window.setFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS,
        WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
    int statusBarHeight = getStatusBarHeight(context.getBaseContext());
    view.setPadding(0, statusBarHeight, 0, 0);
  }
}

/**
 * 用于获取状态栏的高度。 使用Resource对象获取（推荐这种方式）
 *
 * @return 返回状态栏高度的像素值。
 */
public static int getStatusBarHeight(Context context) {
  int result = 0;
  int resourceId = context.getResources().getIdentifier("status_bar_height", "dimen", "android");
  if (resourceId > 0) {
    result = context.getResources().getDimensionPixelSize(resourceId);
  }
  return result;
}

 <FrameLayout
   android:id="@+id/title"
   android:layout_width="match_parent"
   android:background="@color/common_theme_color"
   android:layout_height="wrap_content">