Upgraded music player

//

// Secondviewcontroller. m

// Audioplayer

//

// Created by Apple on 14-7-24.

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

//

 

# Import "secondviewcontroller. H"

# Import "viewcontroller. H"

 

@ Interface secondviewcontroller () <uitableviewdatasource, uitableviewdelegate>

 

 

 

@ End

 

@ Implementation secondviewcontroller

{

Nsarray * playlist;

}

 

-(Instancetype) initwithnibname :( nsstring *) nibnameornil bundle :( nsbundle *) nibbundleornil

{

Self = [Super initwithnibname: nibnameornil Bundle: nibbundleornil];

If (Self ){

// Custom Initialization

}

Return self;

}

 

-(Void) viewdidload

{

[Super viewdidload];

// (0, 0, self. View. Frame. Size. Width, self. View. Frame. Height)

Uitableview * tableview = [[uitableview alloc] initwithframe: cgrectmake (0, 14,320,466) style: uitableviewstyleplain];

// Set the data source

Tableview. datasource = self;

Tableview. Delegate = self;

Tableview. rowheight = 30;

[Self. View addsubview: tableview];

Playlist = @ [@ "save", @ "give me a reason to forget", @ "apple", @ "Jiangnan style"];

}

 

 

-(Void) didreceivememorywarning

{

[Super didreceivememorywarning];

// Dispose of any resources that can be recreated.

}

 

# Pragma mark-uitableviewdatasource

// This is the method in uitableviewdatasource

-(Nsinteger) tableview :( uitableview *) tableview numberofrowsinsection :( nsinteger) Section;

{

// Returns the number of rows in the table.

Return playlist. count;

}

 

-(Uitableviewcell *) tableview :( uitableview *) tableview cellforrowatindexpath :( nsindexpath *) indexpath;

{

// Use the reuse tag to obtain the existing cell

Uitableviewcell * cell = [tableview dequeuereusablecellwithidentifier: @ "cell"];

If (cell = nil)

{

// Create a cell with an important identifier

Cell = [[uitableviewcell alloc] initwithstyle: uitableviewcellstyledefault reuseidentifier: @ "cell"];

}

// Display text on Cell

Cell. textlabel. Text = [nsstring stringwithformat: @ "% lD. % @", (long) indexpath. Row, playlist [indexpath. Row];

Return cell;

}

 

-(Void) tableview :( uitableview *) tableview didselectrowatindexpath :( nsindexpath *) indexpath;

{

Nslog (@ "did select row: % d", indexpath. Row );

Viewcontroller * CTRL = [[viewcontroller alloc] initwithnibname: Nil Bundle: Nil];

[CTRL myrow: indexpath. Row];

// Delayed Loading

[Self presentviewcontroller: CTRL animated: Yes completion: ^ {nslog (@ "... completion");}];

}

 

 

# Pragma mark-Navigation

 

 

 

// In a storyboard-based application, you will often want to do a little preparation before navigation

-(Void) prepareforsegue :( uistoryboardsegue *) segue sender :( ID) sender

{

// Get the New View Controller Using [segue destinationviewcontroller].

// Pass the selected object to the new view controller.

}

 

@ End

 

 

 

 

//

// Viewcontroller. m

// Audioplayer

//

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

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

//

 

# Import "viewcontroller. H"

# Import "secondviewcontroller. H"

# Import <avfoundation/avfoundation. h>

 

 

@ Interface viewcontroller () <avaudioplayerdelegate>

{

Int _ myrow;

Avaudioplayer * player;

Uiimageview * imageview;

Nstmer * timer;

Nsarray * playlist;

}

@ Property iboutlet uislider * progressslider;

@ Property iboutlet uilabel * musicname;

 

@ End

 

@ Implementation viewcontroller

 

-(Void) myrow :( INT) Row

{

_ Myrow = row;

}

 

 

-(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

{

// 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) createslider

{

Uislider * volumeslider = [[uislider alloc] initwithframe: cgrectmake (60, 35,220, 10)];

Volumeslider. value = 0.5;

Volumeslider. maximumvalue = 1;

Volumeslider. minimumvalue = 0;

[Volumeslider addtarget: Self action: @ selector (volume :) forcontrolevents: uicontroleventvaluechanged];

[Self. View addsubview: volumeslider];

_ Progressslider = [[uislider alloc] initwithframe: cgrectmake (30,390,260, 10)];

_ Progressslider. tintcolor = [uicolor bluecolor]; _ progressslider. minimumvalue = 0;

_ Progressslider. maximumvalue = 1;

[_ Progressslider addtarget: Self action: @ selector (Progress :) forcontrolevents: uicontroleventvaluechanged];

[Self. View addsubview: _ progressslider];

}

 

-(Void) createlabel

{

_ Musicname = [[uilabel alloc] initwithframe: cgrectmake (60,350,200, 20)];

_ Musicname. textcolor = [uicolor whitecolor];

_ Musicname. textalignment = nstextalignmentcenter;

_ Musicname. Text = [nsstring stringwithformat: @ "% @", playlist [_ myrow];

[Self. View addsubview: _ musicname];

}

 

 

 

 

-(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 (_ myrow = playlist. Count-1)

{

_ Myrow = 0;

}

Else

{

_ Myrow ++;

}

[Self play];

}

Else {

If (_ myrow = playlist. Count-1)

{

_ Myrow = 0;

}

Else

{

_ Myrow ++;

}

[PLAYER pause];

}

Nslog (@ "the next song ");

}

 

-(Void) didprevclicked :( uibutton *) sender

{

If (player. Playing)

{

If (_ myrow = 0)

{

_ Myrow = playlist. Count-1;

}

Else

{

_ Myrow = _ myRow-1;

}

[Self play];

}

Else

{

If (_ myrow = 0)

{

_ Myrow = playlist. Count-1;

}

Else

{

_ Myrow = _ myRow-1;

}

[PLAYER pause];

 

}

 

Nslog (@ "the previous song ");

}

 

-(Void) Volume :( uislider *) sender

{

Player. volume = sender. value;

Nslog (@ "% F", Sender. value );

}

-(Void) Progress :( uislider *) sender {

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

}

 

-(Void) refreshprogress

{

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

}

-(Void) viewdidload {

Uibutton * BTN = [uibutton buttonwithtype: uibuttontypesystem];

[BTN settitle: @ "back" forstate: uicontrolstatenormal];

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

BTN. Frame = cgrectmake (280, 20, 40, 20 );

[Self. View addsubview: BTN];

[Super viewdidload];

[Self createbjview];

[Self createbuttons];

[Self createslider];

[Self createlabel];

Playlist = @ [@ "save", @ "give me a reason to forget", @ "apple", @ "Jiangnan style"];

[Self play];

// [Player stop];

}

 

-(Void) didclicked

{

[Timer invalidate];

// Disappear the modal View

[Self dismissviewcontrolleranimated: Yes completion: Nil];

}

 

-(Void) Play

{

// 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];

// Display album Images

Nsstring * imagename = [nsstring stringwithformat: @ "mongod.jpg", _ myrow];

Imageview. Image = [uiimage imagenamed: imagename];

Nsstring * name = playlist [_ myrow];

_ Musicname. Text = [nsstring stringwithformat: @ "% @", playlist [_ myrow]; // obtain the file path of the local music

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

Nserror * err;

Player = [[avaudioplayer alloc] initwithcontentsofurl: URL error: & err];

Nslog (@ "Err: % @", err );

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;

If (player. Playing)

{

Playorstopbtn. Selected = yes;

}

[Timer invalidate];

// Call refreshprogress every 1 second

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

}

 

 

 

 

-(Void) didreceivememorywarning {

[Super didreceivememorywarning];

}

@ End