private void initActionView(MenuItem searchItem) {
    if (searchView != null) return;
    searchView = (SearchView) MenuItemCompat.getActionView(searchItem);
    try { // 更改搜索按钮的icon
      int searchImgId = getResources().getIdentifier("android:id/search_button", null, null);
      ImageView v = (ImageView) searchView.findViewById(searchImgId);
      v.setImageResource(R.drawable.ic_menu_search);
    } catch (Exception e) {
      Global.errorLog(e);
    }
    searchView.setOnQueryTextListener(
        new SearchView.OnQueryTextListener() {
          @Override
          public boolean onQueryTextSubmit(String s) {
            return true;
          }

          @Override
          public boolean onQueryTextChange(String s) {
            ++sSearchPos;
            searchAdapter.reload(searchView.getQuery().toString());
            return true;
          }
        });
  }
 public static void writeFile(File srcFile, String content) {
   try {
     FileOutputStream fos = new FileOutputStream(srcFile);
     fos.write(content.getBytes());
     fos.close();
   } catch (Exception e) {
     Global.errorLog(e);
   }
 }
  private String readTextFile(InputStream inputStream) {
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    byte buf[] = new byte[1024];
    int len;
    try {
      while ((len = inputStream.read(buf)) != -1) {
        outputStream.write(buf, 0, len);
      }
      outputStream.close();
      inputStream.close();

    } catch (IOException e) {
      Global.errorLog(e);
    }
    return outputStream.toString();
  }
  @AfterViews
  protected final void initMaopaoDetailActivity() {
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);

    mEnterLayout =
        new EnterEmojiLayout(
            this, onClickSend, EnterLayout.Type.TextOnly, EnterEmojiLayout.EmojiType.SmallOnly);
    mEnterLayout.content.addTextChangedListener(new TextWatcherAt(this, this, RESULT_REQUEST_AT));

    try {
      bubble = readTextFile(getAssets().open("bubble"));
    } catch (Exception e) {
      Global.errorLog(e);
    }

    swipeRefreshLayout.setOnRefreshListener(this);
    swipeRefreshLayout.setColorSchemeResources(R.color.green);
    loadData();
  }