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how to implement a long click listener on a listview
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The XML for each item in the list (should you use a custom XML) must have android:longClickable="true" as well (or you can use the convenience method lv.setLongClickable(true);). This way you can have a list with only some items responding to longclick.
Hope this will help you.
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How to store a list in a column of a database table
...ould create another table that effectively holds the elements of said list and then link to it directly or through a junction table. However, the type of list I want to create will be composed of unique items (unlike the linked question's fruit example). Furthermore, the items in my list are exp...
How can I set up an editor to work with Git on Windows?
I'm trying out Git on Windows . I got to the point of trying "git commit" and I got this error:
33 Answers
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Sending Email in Android using JavaMail API without using the default/built-in app
I am trying to create a mail sending application in Android.
25 Answers
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What are the performance characteristics of sqlite with very large database files? [closed]
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So I did some tests with sqlite for very large files, and came to some conclusions (at least for my specific application).
The tests involve a single sqlite file with either a single table, or multiple tables. Each table had about 8 columns, almost all integers, and 4 indices.
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What is the best way to get the count/length/size of an iterator?
...iterators come from collections, which you can often query for their size. And if it's a user made class you're getting the iterator for, you could look to provide a size() method on that class.
In short, in the situation where you only have the iterator then there's no better way, but much more of...
How can I make the computer beep in C#?
...p().
// Default beep
Console.Beep();
You can also specify the frequency and length of the beep in milliseconds.
// Beep at 5000 Hz for 1 second
Console.Beep(5000, 1000);
For more information refer http://msdn.microsoft.com/en-us/library/8hftfeyw%28v=vs.110%29.aspx
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How to sort a dataframe by multiple column(s)
...1 Hi A 8 1
3 Hi A 9 1
R>
rather than using the name of the column (and with() for easier/more direct access).
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Is System.nanoTime() completely useless?
...ventov's answer offers a more up-to-date perspective.
That post is wrong, and nanoTime is safe. There's a comment on the post which links to a blog post by David Holmes, a realtime and concurrency guy at Sun. It says:
System.nanoTime() is implemented using the QueryPerformanceCounter/QueryPerfo...
Popup弹出菜单扩展 · App Inventor 2 中文网
...整个屏幕，而且配置视图的选项很少。这里介绍的扩展是Android弹出菜单的包装器。几乎所有属性都是可调的。
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Popup弹出菜单扩展是一...