Simple local music player

//

// Viewcontroller. m

// Audioplayer

//

// Created by Apple on 14-7-18.

// Copyright (c) 2014 Apple IOS software developer. All rights reserved.

//

 

# Import "viewcontroller. H"

# Import <avfoundation/avfoundation. h>

 

@ Interface viewcontroller () <avaudioplayerdelegate>

{

Avaudioplayer * player;

Nsarray * playlist;

Long int index;

Uiimageview * imageview;

Nstmer * timer;

}

@ Property (weak, nonatomic) iboutlet uislider * didclickedporgress;

@ Property iboutlet uilabel * label;

 

@ End

 

@ Implementation viewcontroller

 

 

-(Void) createlabels

{

_ Label = [[uilabel alloc] initwithframe: cgrectmake (50,360,220, 20)];

_ Label. textcolor = [uicolor whitecolor];

_ Label. textalignment = nstextalignmentcenter;

[Self. View addsubview: _ label];

}

-(Void) createbjview

{

// Set the volume icon

Uiimageview * volimageview = [[uiimageview alloc] initwithframe: cgrectmake (0, 15, 64, 64)];

Volimageview. Image = [uiimage imagenamed: @ "vol"];

[Self. View addsubview: volimageview];

Imageview = [[uiimageview alloc] initwithframe: cgrectmake (0, 0,320,480)];

Imageview. Image = [uiimage imagenamed: @ "0"];

[Self. View addsubview: imageview];

[Self. View sendsubviewtoback: imageview];}

 

-(Void) createbuttons

{

// 1. Play/pause button

Uibutton * playorstopbtn = [uibutton buttonwithtype: uibuttontypecustom];

// Set the button Image

[Playorstopbtn setimage: [uiimage imagenamed: @ "play"] forstate: uicontrolstatenormal];

[Playorstopbtn setimage: [uiimage imagenamed: @ "pause"] forstate: uicontrolstateselected];

Playorstopbtn. Frame = cgrectmake (128,410, 64, 64 );

[Playorstopbtn addtarget: Self action: @ selector (didclicked :) forcontrolevents: uicontroleventtouchupinside];

Playorstopbtn. adjustsimagewhenhighlighted = false;

[Self. View addsubview: playorstopbtn];

// 2. Previous or next button

Uibutton * nextbtn = [uibutton buttonwithtype: uibuttontypecustom];

[Nextbtn setimage: [uiimage imagenamed: @ "Next"] forstate: uicontrolstatenormal];

Nextbtn. Frame = cgrectmake (224,410, 64, 64 );

[Nextbtn addtarget: Self action: @ selector (didnextclicked :) forcontrolevents: uicontroleventtouchupinside];

[Self. View addsubview: nextbtn];

Uibutton * prevbtn = [uibutton buttonwithtype: uibuttontypecustom];

[Prevbtn setimage: [uiimage imagenamed: @ "Prev"] forstate: uicontrolstatenormal];

Prevbtn. Frame = cgrectmake (32,410, 64, 64 );

[Prevbtn addtarget: Self action: @ selector (didprevclicked :) forcontrolevents: uicontroleventtouchupinside];

[Self. View addsubview: prevbtn];

}

-(Void) didclicked :( ID) sender

{

Uibutton * playorstopbtn = (uibutton *) sender;

// Determine the current playback status

If (player. Playing)

{

Playorstopbtn. Selected = no;

[PLAYER pause];

}

Else

{

Playorstopbtn. Selected = yes;

[Player play];

}

 

}

-(Void) didnextclicked :( uibutton *) sender

{

If (player. Playing)

{

If (Index = playlist. Count-1)

{

Index = 0;

}

Else

{

Index ++;

}

[Self play];

}

Else

{

If (Index = playlist. Count-1)

{

Index = 0;

}

Else

{

Index ++;

}

[Self play];

[PLAYER stop];

}

Nslog (@ "the next song ");

}

 

-(Void) didprevclicked :( uibutton *) sender

{

If (player. Playing)

{

If (Index = 0)

{

Index = playlist. Count-1;

}

Else

{

Index = index-1;

}

[Self play];

}

Else

{

If (Index = 0)

{

Index = playlist. Count-1;

}

Else

{

Index = index-1;

}

[Self play];

[PLAYER stop];

}

Nslog (@ "the previous song ");

}

 

 

 

-(Void) refreshprogress

{

Self. didclickedporgress. value = player. currenttime/player. duration;

}

 

 

 

-(Ibaction) didvolumechanged :( uislider *) sender {

Player. volume = sender. value;

}

-(Ibaction) didprogresschanged :( uislider *) sender {

Player. currenttime = sender. Value * player. duration;

}

 

-(Void) viewdidload {

[Super viewdidload];

[Self createbjview];

[Self createlabels];

[Self createbuttons];

Playlist [email protected] [@ "give me a reason to forget", @ "save", @ "will be unavailable"];

[Self play];

[PLAYER stop];

}

 

-(Void) Play

{

// Display album Images

Nsstring * imagename = [nsstring stringwithformat: @ "ldld.jpg", Index];

Imageview. Image = [uiimage imagenamed: imagename];

Nsstring * name = playlist [Index];

// Display the song name

_ Label. Text = [nsstring stringwithformat: @ "% @", playlist [Index];

// Obtain the path of the local music file

Nsstring * Path = [[nsbundle mainbundle] pathforresource: Name oftype: @ "MP3"];

// Read the file into the memory

// Nsdata * Data = [nsdata datawithcontentsoffile: path];

// Create a Player Object

// Player = [[avaudioplayer alloc] initwithdata: data error: Nil];

// Use the following method for network address

// [Nsurl urwithstring: @ "http://www.baidu.com"];

//// Generate a URL object from the file path

Nsurl * url = [nsurl fileurlwithpath: path];

// Avaudioplayer can only play local files

Player = [[avaudioplayer alloc] initwithcontentsofurl: URL error: Nil];

Player. Delegate = self;

// Enable, play Rate Control, initial volume value

Player. enablerate = yes;

Player. Rate = 1;

Player. volume = 0.5;

Nslog (@ "% F", player. Volume );

[PLAYER preparetoplay];

[Player play];

// Start playing from currenttime

// Player. currenttime = 100;

// Call refreshprogress every 1 second

Timer = [nstimer scheduledtimerwithtimeinterval: 1 target: Self selector: @ selector (refreshprogress) userinfo: Nil repeats: Yes];

}

 

 

 

 

-(Void) didreceivememorywarning {

[Super didreceivememorywarning];

}

@ End

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