Android 沉浸式状态栏与隐藏导航栏实例详解

/**
   * 设置状态栏的颜色
   */
  @TargetApi(Build.VERSION_CODES.KITKAT)
  public static void statusBarTintColor(Activity activity, int color) {
    // 代表 5.0 及以上
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
      activity.getWindow().setStatusBarColor(color);
      return;
    }
    // versionCode > 4.4 and versionCode < 5.0
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT && Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
      //透明状态栏
      activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
      ViewGroup androidContainer = (ViewGroup) activity.findViewById(android.R.id.content);
      // 留出高度 setFitsSystemWindows true代表会调整布局，会把状态栏的高度留出来
      View contentView = androidContainer.getChildAt(0);
      if (contentView != null) {
        contentView.setFitsSystemWindows(true);
      }
      // 在原来的位置上添加一个状态栏
      View statusBarView = createStatusBarView(activity);
      androidContainer.addView(statusBarView, 0);
      statusBarView.setBackgroundColor(color);
    }
  }
  /**
   * 创建一个需要填充statusBarView
   */
  private static View createStatusBarView(Activity activity) {
    View statusBarView = new View(activity);
    ViewGroup.LayoutParams statusBarParams = new ViewGroup.LayoutParams(
        ViewGroup.LayoutParams.MATCH_PARENT, getStatusBarHeight(activity));
    statusBarView.setLayoutParams(statusBarParams);
    return statusBarView;
  }
  /**
   * 获取状态栏的高度
   */
  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;
  }

/**
   *
   * @param activity
   * @param
   */
  public static void setNavigationBar(Activity activity,int visible){
    View decorView = activity.getWindow().getDecorView();
    //显示NavigationBar
    if (View.GONE == visible){
      int option = SYSTEM_UI_FLAG_HIDE_NAVIGATION;
      decorView.setSystemUiVisibility(option);
    }
  }

/**
   * 设置Activity的statusBar隐藏
   * @param activity
   */
  public static void statusBarHide(Activity activity){
    // 代表 5.0 及以上
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
      View decorView = activity.getWindow().getDecorView();
      int option = View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
      decorView.setSystemUiVisibility(option);
      activity.getWindow().setStatusBarColor(Color.TRANSPARENT);
      ActionBar actionBar = activity.getActionBar();
      actionBar.hide();
      return;
    }
    // versionCode > 4.4 and versionCode < 5.0
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT && Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
      activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
    }
  }

 /**
   * 导航栏，状态栏隐藏
   * @param activity
   */
  public static void NavigationBarStatusBar(Activity activity,boolean hasFocus){
    if (hasFocus && Build.VERSION.SDK_INT >= 19) {
      View decorView = activity.getWindow().getDecorView();
      decorView.setSystemUiVisibility(
          View.SYSTEM_UI_FLAG_LAYOUT_STABLE
              | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
              | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
              | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION
              | View.SYSTEM_UI_FLAG_FULLSCREEN
              | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
    }
  }

/**
   * 导航栏，状态栏透明
   * @param activity
   */
  public static void setNavigationBarStatusBarTranslucent(Activity activity){
    if (Build.VERSION.SDK_INT >= 21) {
      View decorView = activity.getWindow().getDecorView();
      int option = View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
          | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
          | View.SYSTEM_UI_FLAG_LAYOUT_STABLE;
      decorView.setSystemUiVisibility(option);
      activity.getWindow().setNavigationBarColor(Color.TRANSPARENT);
      activity.getWindow().setStatusBarColor(Color.TRANSPARENT);
    }
    ActionBar actionBar = activity.getActionBar();
    actionBar.hide();
  }