Question

我正在尝试从片段中的按钮触发操作。该代码并未指出错误，但我的Toast永远不会被触发。

您知道以下方法是否有意义？

这些是我的片段方法：

View.OnClickListener myAction = new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        Toast.makeText(v.getContext(), "AccountView", Toast.LENGTH_SHORT).show();
    }
};

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    // Inflate the layout for this fragment

    View view = inflater.inflate(R.layout.fragment_account_view, container, false);
    accountButton = (Button) view.findViewById(R.id.button);
    accountButton.setOnClickListener(myAction);

    return inflater.inflate(R.layout.fragment_account_view, container, false);
}

Answer 1

尝试这个

请用以下代码替换你的onCreateView

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    // Inflate the layout for this fragment

    View view = inflater.inflate(R.layout.fragment_account_view, container, false);
    accountButton = (Button) view.findViewById(R.id.button);
    accountButton.setOnClickListener(myAction);

    return view; //change here
}

这是因为您再次创建视图。那就是你要回归inflater.inflate(R.layout.fragment_account_view, container, false);

Answer 2

您应该返回膨胀的视图：

encodeURIComponent

Answer 3

返回片段中的视图对象：

    @Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    // Inflate the layout for this fragment

    View view = inflater.inflate(R.layout.fragment_account_view, container, false);
    accountButton = (Button) view.findViewById(R.id.button);
    accountButton.setOnClickListener(myAction);

    return view;
}

用于展示吐司使用：

    View.OnClickListener myAction = new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        Toast.makeText(getActivity(), "AccountView", Toast.LENGTH_SHORT).show();
    }
};

Android：片段内的按钮动作

4 个答案: