package com.fxb.newtest;

 import com.badlogic.gdx.ApplicationAdapter;

 import com.badlogic.gdx.Gdx;

 import com.badlogic.gdx.audio.Music;

 import com.badlogic.gdx.audio.Sound;

 import com.badlogic.gdx.graphics.Color;

 import com.badlogic.gdx.graphics.GL10;

 import com.badlogic.gdx.scenes.scene2d.Actor;

 import com.badlogic.gdx.scenes.scene2d.InputEvent;

 import com.badlogic.gdx.scenes.scene2d.InputListener;

 import com.badlogic.gdx.scenes.scene2d.Stage;

 import com.badlogic.gdx.scenes.scene2d.ui.Label;

 import com.badlogic.gdx.scenes.scene2d.ui.Skin;

 import com.badlogic.gdx.scenes.scene2d.ui.Slider;

 import com.badlogic.gdx.scenes.scene2d.ui.Table;

 import com.badlogic.gdx.scenes.scene2d.ui.TextButton;

 import com.badlogic.gdx.scenes.scene2d.utils.ChangeListener;

 public class Lib015_Music extends ApplicationAdapter{

     Music music;

     Sound sound;

     Skin skin;

     Stage stage;

     State state;

     enum State{ music_play, music_stop, music_pause };

     @Override

     public void create() {

         // TODO Auto-generated method stub

         super.create();

         music = Gdx.audio.newMusic( Gdx.files.internal( "audio/xjwq.mp3" ) );

         music.setLooping( true );

         music.setVolume( 0.5f );

         //music.play();

         stage = new Stage();

         skin = new Skin( Gdx.files.internal( "skin/uiskin.json" ) );

         final TextButton buttonStop = new TextButton( "Stop", skin );

         TextButton buttonPlay = new TextButton( "Play/Pause", skin );

         state = State.music_stop;

         buttonStop.setDisabled( true );

         buttonStop.addListener(new InputListener(){

             public boolean touchDown(InputEvent event, float x, float y,int pointer, int button) {

                 // TODO Auto-generated method stub

                 return true;

             }

             public void touchUp(InputEvent event, float x, float y,int pointer, int button) {

                 // TODO Auto-generated method stub

                 if( state != State.music_stop ){

                     music.stop();

                     state = State.music_stop;

                     buttonStop.setDisabled( true );

                     System.out.println( "stop" );

                 }

             }

         });

         buttonPlay.addListener(new InputListener(){

             public boolean touchDown(InputEvent event, float x, float y,int pointer, int button) {

                 // TODO Auto-generated method stub

                 return true;

             }

             public void touchUp(InputEvent event, float x, float y,int pointer, int button) {

                 // TODO Auto-generated method stub

                 if( state == State.music_play ){

                     music.pause();

                     state = State.music_pause;

                     System.out.println( "pause" );

                 }

                 else{

                     music.play();

                     state = State.music_play;

                     buttonStop.setDisabled( false );

                     System.out.println( "play" );

                 }

                 //(state==State.music_play)? music.pause(): music.play();

             }

         });    

         final Slider slider = new Slider( 0, 100, 1, false, skin );

         slider.addListener(new ChangeListener(){

             public void changed(ChangeEvent event, Actor actor) {

                 // TODO Auto-generated method stub

                 music.setVolume( slider.getValue()/100 );

             }

         });

         slider.setValue( 50 );

         Table table = new Table();

         table.defaults().space(5);

         table.row();

         table.add( new Label( "Music Play", skin )  ).colspan(2).expandX();

         table.row();

         table.add( slider ).colspan(2).expandX();

         table.row();

         table.add( buttonPlay ).minWidth(100);

         table.add( buttonStop ).minWidth(100);

         table.pad( 10 );

         table.pack();

         table.setBackground( skin.newDrawable( "white", Color.PINK ) );

         stage.addActor( table );

         table.setPosition( stage.getWidth()/2-table.getWidth()/2, stage.getHeight()/2-table.getHeight()/2 );

         Gdx.input.setInputProcessor( stage );

     }

     @Override

     public void render() {

         // TODO Auto-generated method stub

         super.render();

         Gdx.gl.glClearColor( 1, 1, 1, 1 );

         Gdx.gl.glClear( GL10.GL_COLOR_BUFFER_BIT );

         stage.act();

         stage.draw();

     }

     @Override

     public void dispose() {

         // TODO Auto-generated method stub

         music.dispose();

         super.dispose();

     }

 }