PopupWindow 不会在 EditText 长按上触发系统上下文对话框

问题描述

对不起，如果标题有点模糊.

Sorry if the title was a bit vague.

我正在 Freelancer 上开发一个应用程序，除了一些测试后客户的投诉外，我几乎完成了它.

I'm developing an app on Freelancer and I almost have it finished except for a complaint from the customer after some testing.

如果有意义的话，我会使用 PopupWindow 代替对话框来编辑上下文设置.我不想太具体而冒着泄露应用概念的风险，我相信客户不会对此感到太高兴.

I use a PopupWindow in place of a dialog to edit contextual settings, if that makes any sense. I don't want to be too specific and risk giving the app concept away, which I'm sure the customer wouldn't be too pleased about.

PopupWindow 被赋予了一个从 XML 扩展而来的布局的内容视图.在该布局中有几个 EditText 小部件.问题是那些 EditTexts 不会在长按时触发默认的上下文对话框，该对话框提供文本/IME 选择和剪切/复制/粘贴选项.

The PopupWindow is given a Content View of a layout inflated from XML. In that layout are several EditText widgets. The issue is that those EditTexts will not trigger the default contextual dialog on long press that presents options for text/IME selection, and cut/copy/paste.

我看到一个类似的问题试图获取 TouchTrigger 或其他东西，但如果没有 setBackgroundDrawable()，它就无法工作，我已经尝试使用简单的 new ColorDrawable().还是不行.

I saw a similar question trying to get the TouchTrigger or something and it not working without setBackgroundDrawable(), which I've tried with a simple new ColorDrawable(). It still doesn't work.

有什么简单的方法可以在 OnLongPressListener 中触发系统默认的长按对话框，还是我必须自己移动天堂和地球来实现它?因为如果是这样的话，我会为它写一个 Fragment 并在事务中交换它.我知道这会奏效.

Is there any easy way to trigger the system-default long-press dialog in an OnLongPressListener, or will I have to move Heaven and Earth to implement it myself? Because if that's the case, I'll just write a Fragment for it and swap it out in a transaction. I know that'll work.

相关代码:在启动片段内部:

The relevant code: Inside the initiating fragment:

RulesDialog dialog;
PopupWindow window;

public void showAddRuleDialog(){
    dialog = new RulesDialog();

    View view = getView();

    window = new PopupWindow(dialog.initViews(this, null), view.getWidth(), view.getHeight(), true);

    window.setBackgroundDrawable(new ColorDrawable());

    dialog.setRulesDialogListener(new rulesDialogListener(){            

        @Override
        public void onSave(ViewHolder holder) {


            addRule(holder);

            window.dismiss();


        }

        @Override
        public void onCancel() {
            window.dismiss();

        }});

    int[] location = {0,0};
    view.getLocationOnScreen(location);



    window.showAtLocation(view, 0, location[0], location[1]);

在规则对话框中:

public class ViewHolder{
    public ViewHolder(View dialogView){
        name = (TextView) dialogView.findViewById(R.id.name);
        response = (TextView) dialogView.findViewById(R.id.response);

        senders = (TextView) dialogView.findViewById(R.id.senders);
        sendersAdd = (Button) dialogView.findViewById(R.id.sendersAdd);
        sendersEdit = (Button) dialogView.findViewById(R.id.sendersEdit);

        timeFrom = (TextView) dialogView.findViewById(R.id.from);
        timeFromEdit = (Button) dialogView.findViewById(R.id.timeBeforeEdit);
        timeTo = (TextView) dialogView.findViewById(R.id.to);
        timeToEdit = (Button) dialogView.findViewById(R.id.timeAfterEdit);

        keywords = (TextView) dialogView.findViewById(R.id.keywords);

        matchCase = (CheckBox) dialogView.findViewById(R.id.matchCase);
        matchAlone = (CheckBox) dialogView.findViewById(R.id.matchAlone);
        matchPlural = (CheckBox) dialogView.findViewById(R.id.matchPlural);

        cancel = (Button) dialogView.findViewById(R.id.cancel);
        save = (Button) dialogView.findViewById(R.id.save);


    }

    TextView name;
    TextView response;
    TextView senders;
    Button sendersAdd;
    Button sendersEdit;
    TextView timeFrom;
    Button timeFromEdit;
    TextView timeTo;
    Button timeToEdit;
    TextView keywords;

    CheckBox matchCase;
    CheckBox matchAlone;
    CheckBox matchPlural;

    Button cancel;
    Button save;


}

Activity activity;
ViewHolder holder;
Fragment fragment;



public View initViews(Fragment mFragment, Rule rule){
    fragment = mFragment;
    activity = fragment.getActivity();
    View dialogView = LayoutInflater.from(activity).inflate(R.layout.rules_dialog, null);

    holder = new ViewHolder(dialogView);

    final TextView senders = holder.senders;

    holder.sendersAdd.setOnClickListener(new OnClickListener(){

        @Override
        public void onClick(View v) {
            showContacts();
        }});

    holder.sendersEdit.setOnClickListener(new OnClickListener(){

        @Override
        public void onClick(View v) {
            editSenders(senders);

        }

    });

    final TextView timeFrom = holder.timeFrom;
    holder.timeFromEdit.setOnClickListener(new OnClickListener(){

        @Override
        public void onClick(View v) {
            showTimePickerDialog(timeFrom);             

        }

        });

    final TextView timeTo = holder.timeTo;
    holder.timeToEdit.setOnClickListener(new OnClickListener(){

        @Override
        public void onClick(View v) {
            showTimePickerDialog(timeTo);               

        }

        });


    holder.cancel.setOnClickListener(new OnClickListener(){

        @Override
        public void onClick(View v) {
            mListener.onCancel();

        }});        
    holder.save.setOnClickListener(new OnClickListener(){

        @Override
        public void onClick(View v) {
            mListener.onSave(holder);

        }});


    if(rule == null)
        rule = new Rule();


    holder.name.setText(rule.name);
    holder.response.setText(rule.response);

    holder.senders.setText(rule.senders.toString());
    holder.senders.setTag(rule.senders);                

    holder.keywords.setText(rule.keywords);

    holder.matchCase.setChecked(rule.matchCase);
    holder.matchAlone.setChecked(rule.matchAlone);
    holder.matchPlural.setChecked(rule.matchPlural);        

    holder.timeFrom.setTag(rule.timeFrom);                          
    holder.timeFrom.setText(Rules.formatTime(rule.timeFrom));

    holder.timeTo.setTag(rule.timeTo);
    holder.timeTo.setText(Rules.formatTime(rule.timeTo));

    return dialogView;
}

推荐答案

所以我尝试将RulesDialog 重写为片段，但效果不佳.当从它们操作的 Fragment 调用时，使 Fragment Transactions 正常工作时遇到问题.

So I tried rewriting RulesDialog as a fragment, and it didn't work out too well. Had issues with making Fragment Transactions work right when called from the Fragments they're operating on.

(我知道这不是碎片化的重点.我现在并不是真的打算编写一个完全模块化的应用程序.我只是想推出一款客户会满意的产品.)

(I know this isn't the point to fragments. I'm not really aiming to write a completely modular app right now. I just want to come out with a product the customer will be happy with.)

我最终将 RulesDialog 重写为 Activity，并使用调用片段中的 startActivityForResult().然后使用 setResult() 将编辑后的数据传回.这一切都很好地协同工作.

I ended up rewriting RulesDialog as an Activity instead, and using startActivityForResult() from the calling fragment. Then passing the edited data back with setResult(). It all works nicely in concert.

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