Simple control of music playback and pauses with button

ViewController.h

Define a button

@property (strong,nonatomic) UIButton *button;

Viewcontroller.m

#import "ViewController.h"

Import Header File

#import <AVFoundation/AVFoundation.h>

@interface Viewcontroller ()

Defining the properties of a player

@property (Nonatomic,strong) Avaudioplayer *player;

@end

@implementation Viewcontroller

-(void) Viewdidload {

[Super Viewdidload];

Get the full path to the MP3 file

NSString *musicfiledpath=[[nsbundle Mainbundle] pathforresource:@ "Andy Lau-Ice Rain" oftype:@ "MP3"];

Also gets the path

Nsurl *musicurl=[[nsurl alloc] Initfileurlwithpath:musicfiledpath];

Create an object named Theplay

Avaudioplayer *theplay=[[avaudioplayer alloc] Initwithcontentsofurl:musicurl Error:nil];

Set the location of the button

Self.button=[[uibutton Alloc] Initwithframe:cgrectmake (150, 150, 100, 50)];

Name of the button

[Self.button settitle:@ "Play + pause" forstate:uicontrolstatenormal];

Background color of the button

Self.button.backgroundcolor=[uicolor Graycolor];

[Self.view AddSubview:self.button];

Responding to playback events

[Self.button addtarget:self Action: @selector (Testplayer) forcontrolevents:uicontroleventtouchupinside];

Create player

Self.player=theplay;

}

-(void) Testplayer

{

if (self.button.tag==0)

{

Pre-play

[Self.player Preparetoplay];

Set the number of times the music plays, 1 for loop playback

Self.player.numberofloops=-1;

Play

[Self.player play];

self.button.tag=1;

}

Else

{

[Self.player stop];

self.button.tag=0;

}

}

-(void) didreceivememorywarning {

[Super didreceivememorywarning];

Dispose of any resources the can be recreated.

}

@end

Simple control of music playback and pauses with button