1 00:00:01,070 --> 00:00:01,730 Welcome back. 2 00:00:02,420 --> 00:00:07,460 Now there's one thing that I would like to add to our application, and that is while we're saving some 3 00:00:07,460 --> 00:00:13,190 thing, this can take a while, even though in our case it's super fast, but this could take a while. 4 00:00:13,190 --> 00:00:18,500 And when things can take a while, we want to let the user know that there is something happening. 5 00:00:18,770 --> 00:00:23,930 And by just using a progress dialogue, we are golden. 6 00:00:24,440 --> 00:00:28,370 OK, so let's go ahead and create the right methods for that. 7 00:00:28,610 --> 00:00:36,320 And you have seen those methods in a demo before where I just created the show progress dialogue method. 8 00:00:36,680 --> 00:00:41,060 So let me just create them in the main activity real quick. 9 00:00:41,150 --> 00:00:46,910 So first of all, I'm going to create this method that is used to display a progress dialogue. 10 00:00:47,420 --> 00:00:51,320 So we need to have a custom progress dialogue variable at the very top. 11 00:00:51,320 --> 00:00:53,240 Let's create that first and then look at the method. 12 00:00:53,870 --> 00:01:03,290 So let me jump to the top, and here I'm going to create a for custom progress dialogue, which will 13 00:01:03,290 --> 00:01:07,790 be of type dialogue, Nullarbor, and I'm going to assign them to it. 14 00:01:08,510 --> 00:01:16,100 OK, so now we can use this custom progress dialogue, and I'm going to create a method that will now 15 00:01:16,430 --> 00:01:18,350 initialized this progress dialogue. 16 00:01:18,680 --> 00:01:24,550 And then it will set its content view to be a layout that we need to set up. 17 00:01:24,950 --> 00:01:27,920 And we saw this layout in a demo before as well. 18 00:01:28,130 --> 00:01:31,820 So let me just paste it in here and show you what I mean. 19 00:01:34,410 --> 00:01:38,250 So let's go ahead and create a new layout file. 20 00:01:38,520 --> 00:01:44,730 I'm going to call this one dialogue underscore custom underscore progress. 21 00:01:46,840 --> 00:01:52,690 OK, so what I wanted to have in here and let me just paste it in, it will be very simple, is basically 22 00:01:52,690 --> 00:01:53,500 going to be. 23 00:01:54,130 --> 00:01:58,180 Well, first of all, when using a linear layout gravitated towards the center. 24 00:01:58,600 --> 00:02:00,940 The items are put next to each other. 25 00:02:00,950 --> 00:02:06,190 We have a little bit of padding and then I'm using a progress bar, which is this thing here. 26 00:02:06,430 --> 00:02:09,729 So this turning circle? 27 00:02:10,690 --> 00:02:14,950 And I'm giving it a certain width and height, as well as a little margin towards the right. 28 00:02:15,490 --> 00:02:18,160 And then we have this text you would just says, please wait. 29 00:02:18,280 --> 00:02:24,850 And the text is in black and text size is 16, and it just is as large as the content requires silver 30 00:02:24,970 --> 00:02:26,050 content and width and height. 31 00:02:26,740 --> 00:02:32,920 OK, so now we can use this dialogue, custom progress, and then we need to show this custom progress 32 00:02:32,920 --> 00:02:34,170 dialog accordingly. 33 00:02:34,180 --> 00:02:40,360 So once we have set the content viewed to be this XML file, we are displaying the progress dialogue. 34 00:02:40,720 --> 00:02:47,470 If you are displaying a progress dialogue, you also need to make sure that you are high while you have 35 00:02:47,470 --> 00:02:53,740 a way to hide it, because otherwise it will just be there and will be in the way so your needs to create 36 00:02:53,740 --> 00:02:56,890 a method that will cancel the progress dialogue. 37 00:02:57,460 --> 00:02:59,050 OK, so let's go ahead and do that. 38 00:02:59,290 --> 00:03:09,220 I'm going to create a private fun cancel progress dialogue here, which will simply check if the custom 39 00:03:09,220 --> 00:03:16,990 progress dialog exists or is not now and if it's not now then used at Custom Progress dialog and dismiss 40 00:03:16,990 --> 00:03:17,170 it. 41 00:03:17,740 --> 00:03:23,050 And also make sure that the custom progress dialog is going to be null the next time, so set it to 42 00:03:23,050 --> 00:03:23,830 null as well. 43 00:03:24,550 --> 00:03:27,370 So what would be good spots to call these methods? 44 00:03:27,970 --> 00:03:35,920 Well, on one hand, once we click on our save button, for example, it would be good to show the progress 45 00:03:35,920 --> 00:03:36,520 dialog. 46 00:03:36,850 --> 00:03:39,550 So that would be in the create method here. 47 00:03:39,970 --> 00:03:41,830 Once we click on the image button. 48 00:03:44,460 --> 00:03:48,990 And I'd say I'm going to show a director here before I launch my call routine. 49 00:03:49,890 --> 00:03:53,040 So show progress dialogue. 50 00:03:53,430 --> 00:03:54,240 That's a good spot. 51 00:03:54,570 --> 00:03:57,600 And what would be a good spot to hide the progress dialogue? 52 00:04:00,090 --> 00:04:02,400 Well, I'd say once the. 53 00:04:04,160 --> 00:04:05,370 Saving is done. 54 00:04:05,390 --> 00:04:09,620 So which means wants to save bitmap, file code is done. 55 00:04:12,000 --> 00:04:18,300 And the best part would be, of course, once we do the run on UI thread code. 56 00:04:18,540 --> 00:04:21,870 So here, let's cancel the progress dialog at this point. 57 00:04:23,070 --> 00:04:29,460 OK, because this is a UI task, you don't want to run it in on the back ground thread. 58 00:04:30,330 --> 00:04:32,790 OK, so let's test this. 59 00:04:33,330 --> 00:04:36,660 Let's see if it's going to appear, even if it's just for a brief moment. 60 00:04:39,130 --> 00:04:39,610 All right. 61 00:04:39,820 --> 00:04:40,660 So there we are. 62 00:04:40,690 --> 00:04:41,810 Let me draw something. 63 00:04:41,830 --> 00:04:45,520 Save it, you see, it showed up really quickly and then. 64 00:04:46,860 --> 00:04:48,510 It was safe to come. 65 00:04:48,810 --> 00:04:53,430 So that's pretty much it for this video and the next one, you're going to learn how to share the image 66 00:04:53,670 --> 00:04:55,440 with your friends by email, for example. 67 00:04:55,660 --> 00:04:56,610 So see you there.