So I want you to notice a couple of things. So we start to do the searching. Oh, I have to press the button first. There we go.
And you start to get the results and what you notice. Well first you get you know one image. And then here's the reality. It's like you can press the image until they're screaming for mercy. But the reality of networking conditions is that you may get a little burst of band width and then it trips up for a little bit https://casinoslots-ie.com/first-deposit-bonus . So you know stupid petricks that you that people were used to doing on the on the web in the beginning of the early days when people were on dial up, you would do things like putting alt tag in an image and the browser would very helpfully show you a text placeholder while you're doing it. And then at least you could say: "Oh this is the object I want. Let me tap on. I don't need to see the picture, let me get on the way". And so we kind of... everything is back to the future for that and so we do you know stupid petricks with the UIimageView categories. And so we have this thing where we can set a fallback text for an ImageView and you know code like this where you say: let me go load the image. And if everything is wonderful I will then if I get it back I will set the fallback text to an empty string so it disappears, the image goes in and everything is great. So sometimes you just have to use the tried-and-true stupid petrick methods even in the modern you know a compiled world of native apps. All right so here's something else. Captive networks. So it refers to kind of a very hostile form of network that exists on planes. So often times you'll have these open networks which they say you know: please connect to this network called "virus" or free in the highest entertainment. So you get on a plane, your device is set up, it connects to any network and then you think everything's wonderful: "Hey they have really great free network!". And then you actually go and try to use it and then you see something like this. Where you are making a request and you're asking for JSON but then they give you back HTML. It's like why did they do that? Well the reason is is because as you've seen it when it happens you connect. And then if you're on a web browser it all sudden redirects you to another page saying: "Hello would you like to give this your credit card and then we'll steal you ...". "Would you like to give us your credit card and you can have 10 minutes of Internet for only 7000 dollar. Sure, sign me up! So but it's not obvious so you kind of have to dive down and you have to guard against what I call "successful failure". So this is kind of a case where you've got it an HTTP 200 response. So it said: great everything's wonderful". But no let's have a look about it. Look at the MIMEType and if their MIMEType is in this case text then that gives you an idea that you have a particular action code which we might call guest network. And so the point is that you have to be kind of able to handle these types of situations. You know I'm kind of jealous that you're taking pictures of my screen instead of me. Okay, good. Thank you. All right so now we're going to talk about image reuse. So even when you have great network conditions there are some cases where the most important thing believe it or not is not the product of our Photoshop team but it's the video. We are a video service. So sometimes you just need to kind of you know say: "I've already fetched some stuff, now let's get along on the show". So I want to talk about this. So these are the previews. And this has become very popular. This top row of these little 30-second previews. And so let's have a look. I think some of you are familiar with this. So it goes directly and it starts the playback as soon as it possibly can. And you can swipe through and see each of these different short clips of video. And it works pretty nice even surprisingly in bad network conditions.
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