1 00:00:01,740 --> 00:00:06,410 OK, so we've got our slider now, we need to talk about the sort of the length of the slider, the 2 00:00:06,720 --> 00:00:07,850 to and from. 3 00:00:07,860 --> 00:00:09,300 So if we come down to our slider. 4 00:00:12,350 --> 00:00:16,310 You see, we set it up, we want to go from zero. 5 00:00:17,410 --> 00:00:21,850 Too, and we set it up in the last year to one hundred now, every time a new song plays, we want that 6 00:00:21,850 --> 00:00:24,100 to to be the length of the song. 7 00:00:24,280 --> 00:00:28,270 So that's what we're going to do in this video, because as the slider moves along and when it gets 8 00:00:28,270 --> 00:00:30,670 to the end of the slider, that needs to be the end of the song. 9 00:00:30,670 --> 00:00:30,870 Right. 10 00:00:30,940 --> 00:00:34,820 So this needs to change every time so we can do that fairly easily. 11 00:00:35,170 --> 00:00:41,580 So let's head up here to our, let's see, playtime function. 12 00:00:41,590 --> 00:00:45,700 So think about a song when we click play, let's go to our play function. 13 00:00:46,210 --> 00:00:50,080 It grabs the song, does it stuff as it to the mixer and starts playing it. 14 00:00:50,080 --> 00:00:55,120 And then it runs this play time function, which is up here inside this play time function. 15 00:00:55,120 --> 00:00:57,400 We're doing all kinds of stuff with song length. 16 00:00:57,400 --> 00:00:57,760 Right. 17 00:00:57,760 --> 00:01:02,080 We're getting the the current or the total length of the song. 18 00:01:02,080 --> 00:01:03,850 We're getting the current time of the song. 19 00:01:03,850 --> 00:01:04,990 We're doing all kinds of time stuff. 20 00:01:04,990 --> 00:01:08,980 So it makes sense that probably in here we should do what we want to do. 21 00:01:08,980 --> 00:01:11,560 So this is the status bar thing. 22 00:01:11,560 --> 00:01:14,050 Let's give ourselves some space here and now. 23 00:01:14,050 --> 00:01:17,500 Let's let's go song, slider, config. 24 00:01:18,470 --> 00:01:22,630 And we want to set the to value equal to what? 25 00:01:22,910 --> 00:01:27,920 Well, if we come up here, we can find this song length, we've got song length and we've got converted 26 00:01:27,920 --> 00:01:28,580 song length. 27 00:01:28,580 --> 00:01:33,470 So the converted song link is, remember, we change it to that time sort of output. 28 00:01:33,470 --> 00:01:33,680 Right. 29 00:01:33,690 --> 00:01:35,930 So minutes, seconds. 30 00:01:35,930 --> 00:01:38,510 So zero zero Colan zero zero. 31 00:01:38,700 --> 00:01:44,900 So a song that's two minutes and 20 seconds would be zero to Colen twenty two or whatever. 32 00:01:45,090 --> 00:01:46,370 We don't really want that. 33 00:01:46,380 --> 00:01:52,670 What we want is just like the raw seconds, so you know, one hundred and forty seconds or whatever. 34 00:01:52,670 --> 00:01:55,400 So that is just this song length. 35 00:01:55,610 --> 00:01:57,080 So we could set that equal to that. 36 00:01:57,080 --> 00:01:58,910 So every time this thing runs. 37 00:02:00,320 --> 00:02:00,690 Right. 38 00:02:01,580 --> 00:02:04,610 This will get changed to whatever the current song length is. 39 00:02:04,640 --> 00:02:08,140 So if we play a different song, the play function will fire. 40 00:02:08,480 --> 00:02:12,230 It will then play this play time function and this will be updated automatically. 41 00:02:12,230 --> 00:02:15,670 So let's output this to the screen just to see what's going on here. 42 00:02:15,680 --> 00:02:20,390 So come down to the very bottom and let's grab our temporary label guy. 43 00:02:20,450 --> 00:02:23,210 Right, and come back up here and underneath here. 44 00:02:23,210 --> 00:02:28,610 Let's just soska my label that config and let's set the text equal to that song. 45 00:02:28,610 --> 00:02:30,920 Underscore Slider doGet. 46 00:02:30,920 --> 00:02:32,780 We can always get whatever it currently is. 47 00:02:32,940 --> 00:02:34,250 So, OK, let's save this. 48 00:02:34,250 --> 00:02:38,720 Now, this is going to make our app a little bit bigger. 49 00:02:38,720 --> 00:02:39,710 So let's come up here. 50 00:02:39,950 --> 00:02:43,190 Let's add another 50 pixels just so we can see that label easier. 51 00:02:43,430 --> 00:02:44,960 OK, so let's go and save this. 52 00:02:45,830 --> 00:02:46,050 All right. 53 00:02:46,070 --> 00:02:47,480 So let's run this. 54 00:02:49,030 --> 00:02:50,620 As some songs zuppa. 55 00:02:52,230 --> 00:02:58,140 So let's play one, it's zero now, but as we slide this to the end, it should be what, the song. 56 00:02:59,160 --> 00:03:07,560 It turns down what the this so two 30, that's a minute, that's 60 seconds, times two, which is one 57 00:03:07,560 --> 00:03:10,080 hundred twenty plus thirty seconds, which is one hundred fifty. 58 00:03:10,290 --> 00:03:12,410 And sure enough we see one hundred and fifty here. 59 00:03:12,630 --> 00:03:15,360 Now we're getting a bunch of decimals here. 60 00:03:15,360 --> 00:03:19,860 So maybe, maybe we want to convert this to an integer. 61 00:03:20,420 --> 00:03:24,540 We'll talk about that later, but we can change this to a different song. 62 00:03:24,840 --> 00:03:27,630 And when we do and then we slide this thing again. 63 00:03:27,840 --> 00:03:29,270 We see now it's at one hundred. 64 00:03:29,670 --> 00:03:32,540 Well, this one has 60 seconds plus 40 seconds. 65 00:03:32,760 --> 00:03:33,980 That's one hundred seconds. 66 00:03:34,200 --> 00:03:36,680 So this is now the length of one hundred. 67 00:03:36,690 --> 00:03:38,070 And again, we've got these decimals. 68 00:03:38,370 --> 00:03:40,110 We might change this to an integer. 69 00:03:40,110 --> 00:03:42,540 So let's just say one hundred instead of one hundred point eighty. 70 00:03:42,780 --> 00:03:42,940 Right. 71 00:03:43,050 --> 00:03:45,210 So OK, so far so good. 72 00:03:45,420 --> 00:03:52,230 Now that we have our slider that size now we can work on moving the slider a bit at a time as the song 73 00:03:52,230 --> 00:03:53,310 moves forward. 74 00:03:53,460 --> 00:03:55,350 And I think we'll look at that in the next video.