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dynamically add and remove view to viewpager
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After figuring out which ViewPager methods are called by ViewPager and which are for other purposes, I came up with a solution. I present it here since I see a lot of people have struggled with this and I didn't see any other relevant answers.
First, here's my adapter;...
When to use EntityManager.find() vs EntityManager.getReference() with JPA
...ld know, getReference returns a proxy object which uses a powerful feature called automatic dirty checking. Suppose the following
public class Person {
private String name;
private Integer age;
}
public class PersonServiceImpl implements PersonService {
public void changeAge(Intege...
How to handle many-to-many relationships in a RESTful API?
...he players of a team, just go to Teams resource and get all its players by calling GET /Teams/{teamId}/Players.
On the other hand, to get all the teams a player has played, get the Teams resource within the Players. Call GET /Players/{playerId}/Teams.
And, to get the many-to-many relationship call...
findViewByID returns null
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which returns null
Possibly because you are calling it too early. Wait until onFinishInflate(). Here is a sample project demonstrating a custom View accessing its contents.
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How to get Activity's content view?
What method should I call to know if an Activity has its contentView (once the method setContentView() has been called)?
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JQuery: How to call RESIZE event only once it's FINISHED resizing?
How do I call a function once the browser windows has FINISHED resizing?
8 Answers
8
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Using the “animated circle” in an ImageView while loading stuff
...minate="true" />
</RelativeLayout>
And when you finish loading, call this one line:
findViewById(R.id.loadingPanel).setVisibility(View.GONE);
The result (and it spins too):
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Using -performSelector: vs. just calling the method
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Basically performSelector allows you to dynamically determine which selector to call a selector on the given object. In other words the selector need not be determined before runtime.
Thus even though these are equivalent:
[...
Caching a jquery ajax response in javascript/browser
... return localCache.data[url];
},
set: function (url, cachedData, callback) {
localCache.remove(url);
localCache.data[url] = cachedData;
if ($.isFunction(callback)) callback(cachedData);
}
};
$(function () {
var url = '/echo/jsonp/';
$('#ajaxButton').cli...
Android: View.setID(int id) programmatically - how to avoid ID conflicts?
I'm adding TextViews programmatically in a for-loop and add them to an ArrayList.
14 Answers
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