Android 从后面的代码显示上下文菜单
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Show context menu from code behind
提问by AnD
This might be a simple question, but I've been looking around and can't find the answer. Is there any code to show the context menu on Android from a code, instead of pressing the menu button? E.g. when I touch the screen then it'll call the context menu?
这可能是一个简单的问题，但我一直环顾四周，找不到答案。是否有任何代码可以从代码中显示 Android 上的上下文菜单，而不是按下菜单按钮？例如，当我触摸屏幕时，它会调用上下文菜单？
回答by CommonsWare
Call openContextMenu()on your Activitywhenever you want to open it. Note that this is a rather unusual UI pattern, one that your users may not expect.
想打开它时随时打电话openContextMenu()给您Activity。请注意，这是一种相当不寻常的 UI 模式，您的用户可能不会想到这种模式。
回答by hrules6872
OnClickListener onClick_Show_Contextmenu = new OnClickListener() {
@Override
public void onClick(View v) {
((Activity) context).openContextMenu(v);
}
};
findViewById(R.id.xxx).setOnClickListener(onClick_Show_Contextmenu);
registerForContextMenu(findViewById(R.id.xxx));
findViewById(R.id.xxx).setLongClickable(false);
回答by android developer
you can use any of the following:
您可以使用以下任何一种：
- openContextMenuas shown here:
- openContextMenu如下所示：
registerForContextMenu(view); openContextMenu(view); unregisterForContextMenu(view);
registerForContextMenu(view); openContextMenu(view); unregisterForContextMenu(view);
回答by B-GangsteR
You can use
您可以使用
view.showContextMenu();
on your view.
在你看来。
