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package com.example.musicwork.freeModel;
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//自由模式的主活动
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//此模式只支持4/4拍，只能编写八分音符
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import android.annotation.SuppressLint;
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import android.content.Context;
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import android.content.pm.PackageManager;
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import android.graphics.Color;
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import android.os.Bundle;
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import android.os.Environment;
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//import android.support.annotation.StringDef;
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//import android.support.v4.app.ActivityCompat;
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import android.provider.ContactsContract;
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import android.util.Log;
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import android.view.View;
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import android.widget.Button;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import android.widget.TextView;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.appcompat.app.AppCompatActivity;
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import androidx.core.app.ActivityCompat;
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import android.widget.Toast;
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//import android.media.midi.;
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import com.example.musicwork.Data;
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import com.example.musicwork.R;
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import com.example.musicwork.chuangguan.PianoMusic;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.OutputStreamWriter;
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import java.io.PrintWriter;
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import java.io.RandomAccessFile;
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import java.lang.reflect.Parameter;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Iterator;
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import java.util.List;
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import java.util.ListIterator;
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//import android.support.v7.app.AppCompatActivity;
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public class FreemdActivity extends AppCompatActivity {
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//进行动态权限申请
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private static final int REQUEST_EXTERNAL_STORAGE = 1;
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private static String[] PERMISSIONS_STORAGE = {
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"android.permission.READ_EXTERNAL_STORAGE",
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"android.permission.WRITE_EXTERNAL_STORAGE" };
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MusicScoreLayout musicScoreLayout;//自定义乐谱布局
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boolean highFlag = false;//记录高音按钮是否选中
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boolean lowFlag = false;//记录低音按钮是否选中
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//boolean inctimeFlag = false;//记录增时线按钮是否选中
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boolean dectimeFlag = false;//记录减时线按钮是否选中
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//int position = 0;//记录每个layout在musicLayout里的位置
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List<MusicNote> noteList = new ArrayList<MusicNote>();//存储简谱中的每个音符
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int index = 0;//记录每个音符在音符列表里的索引
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ArrayList<View> noteLayoutList = new ArrayList<View>();//存储音符layout和增时线
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PianoMusic util;
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String musicName;//音乐名
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final Data data = (Data)getApplication();
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String username;//用户名
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_freemd);
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final Data data = (Data)getApplication();
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username = data.getUsername();
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util = new PianoMusic(this);//音乐播放器
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musicScoreInit();//初始化乐谱每个组件大小
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musicInfoInit();//初始化标题和拍号作者
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btnInit();//初始化按钮并设置监听
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}
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//接受Intent中的数据初始化简谱名和节拍，并设置作者
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public void musicInfoInit(){
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Bundle bundle = this.getIntent().getExtras();
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String flag = bundle.getString("flag");
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if (flag.equals("init")){
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//传入音乐名和节号
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//Log.e("map",""+flag);
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musicName = bundle.getString("musicName");
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String musicBeat = bundle.getString("musicBeat");
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//设置bundle中传入的数据（名字，节拍）
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TextView musicNameView = (TextView)findViewById(R.id.title);
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TextView musicBeatView = (TextView)findViewById(R.id.score_kind);
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musicNameView.setText(musicName);
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musicBeatView.setText(musicBeat);
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//设置作者
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TextView usernameView = (TextView)findViewById(R.id.author);
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usernameView.setText(username);
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}else if (flag.equals("open")){
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//传入音乐文件信息
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int length = bundle.getInt("length");
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for (int i=0;i<length;i++){
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String[] noteArray = bundle.getStringArray("note"+i);
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int note = Integer.parseInt(noteArray[0]);
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float beat = Float.parseFloat(noteArray[1]);
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MusicNote musicNote = new MusicNote(note,beat);
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noteList.add(musicNote);
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}
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//Log.e("map",""+i);
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//画乐谱
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drawScore();
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}
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}
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//根据接收的noteList画乐谱
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public void drawScore(){
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for (int i=0;i<noteList.size();i++){
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Log.e("map","open"+i);
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LinearLayout layout = new LinearLayout(this);
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layout.setOrientation(LinearLayout.VERTICAL);
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MusicNote musicNote = noteList.get(i);
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int note = musicNote.getNote();
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float beat = musicNote.getBeat();
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//自动设置分割线(根据拍号？
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int count = musicScoreLayout.getChildCount();//得到子控件数量
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if (count%5==4){//拍号为4/4拍
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pauseLine();
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}
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//设置音符
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TextView noteView = new TextView(this);
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int text;
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if(note>7&¬e<15){
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text = note-7;
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}else if (note>14){
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text = note-14;
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}else {
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text = note;
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}
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noteView.setText(""+text);
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layout.addView(noteView);
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if (note>14){//高音
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//加高音点
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ImageView highDot = new ImageView(this);
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highDot.setImageResource(R.drawable.dot);
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highDot.setLayoutParams(new LinearLayout.LayoutParams(20,20));
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layout.addView(highDot,0);
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}else if (note<8){//低音
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ImageView lowDot = new ImageView(this);
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lowDot.setImageResource(R.drawable.dot);
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lowDot.setLayoutParams(new LinearLayout.LayoutParams(20,20));
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layout.addView(lowDot,layout.getChildCount());
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}
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if (beat<1){//加减时线
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//Log.e("map","减时线");
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TextView decLine = new TextView(this);
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decLine.setWidth(LinearLayout.LayoutParams.MATCH_PARENT);
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decLine.setHeight(3);
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decLine.setBackgroundColor(Color.BLACK);
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if(note<8){//减时线放在低音点的上面
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layout.addView(decLine,layout.getChildCount()-1);
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}else{//高音点
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layout.addView(decLine,layout.getChildCount());
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}
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musicScoreLayout.addView(layout);
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}else if (beat>1){//加增时线
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int num = (int)beat;
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if (beat-num != 0){
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//加减时线
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TextView decLine = new TextView(this);
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decLine.setWidth(LinearLayout.LayoutParams.MATCH_PARENT);
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decLine.setHeight(3);
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decLine.setBackgroundColor(Color.BLACK);
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if(note<8){//减时线放在低音点的上面
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layout.addView(decLine,layout.getChildCount()-1);
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}else{//高音点
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layout.addView(decLine,layout.getChildCount());
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}
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}
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musicScoreLayout.addView(layout);
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//加增时线
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for (int j=1;j<num;j++){
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TextView inctimeNote = new TextView(this);
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inctimeNote.setWidth(10);
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inctimeNote.setHeight(5);
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inctimeNote.setBackgroundColor(Color.BLACK);
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musicScoreLayout.addView(inctimeNote);
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}
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}else {
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musicScoreLayout.addView(layout);
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}
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}
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}
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//乐谱布局初始化
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public void musicScoreInit(){
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musicScoreLayout = (MusicScoreLayout)findViewById(R.id.music_score);
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//设置子控件宽高
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musicScoreLayout.setHeight(200);
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musicScoreLayout.setWidth(100);
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}
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//按下音符按钮在乐谱上添加对应音符（检查合法性？
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public void onClick(View v){
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Button btn = (Button)v;//音符按钮
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MusicNote note = new MusicNote(Integer.parseInt(btn.getText().toString())+7,1);//此处音符是正常音符段，1 拍？
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noteList.add(note);//添加音符对象到列表
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//自动设置分割线(根据拍号？
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int count = musicScoreLayout.getChildCount();//得到子控件数量
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if (count%5==4){//拍号为4/4拍
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pauseLine();
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}
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final LinearLayout layout = new LinearLayout(v.getContext());
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//MusicScoreLayout layout = new MusicScoreLayout(v.getContext());
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layout.setOrientation(LinearLayout.VERTICAL);
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//layout.setLayoutParams(new LinearLayout.LayoutParams(100,200));
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layout.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,LinearLayout.LayoutParams.MATCH_PARENT));
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//layout.setId(0);
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if (noteLayoutList.size() != 0){
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int position = noteLayoutList.get(noteLayoutList.size()-1).getId();
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layout.setId(position+1);//列表索引，代表布局位置
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}else {
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layout.setId(0);
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}
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final TextView noteView = new TextView(this);
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noteView.setText(btn.getText().toString());
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noteView.setTextColor(Color.BLACK);
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//设置id
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noteView.setId(index);
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index += 1;
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//留出位置，对齐音符
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final LinearLayout.LayoutParams param = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,50);
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param.setMargins(0,20,0,23);
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noteView.setLayoutParams(param);
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layout.addView(noteView);
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musicScoreLayout.addView(layout);
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noteLayoutList.add(layout);//把布局放入List中，存储位置
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//音符view的点击事件
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noteView.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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//升号
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if (highFlag){
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MusicNote note = noteList.get(v.getId());//得到当前音符
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if (note.getNote()<8){ //音符已经为降号
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Toast.makeText(getApplicationContext(),"不允许同一个音符上存在升号和降号",Toast.LENGTH_SHORT).show();
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}else if(note.getNote()+7<22){
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note.setNote(note.getNote()+7);//更改音符为升号
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ImageView highDot = new ImageView(v.getContext());
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highDot.setImageResource(R.drawable.dot);
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highDot.setLayoutParams(new LinearLayout.LayoutParams(20,20));
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//上外边距被填满
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param.setMargins(0,0,0,23);
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noteView.setLayoutParams(param);
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layout.addView(highDot,0);
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}else {
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Toast.makeText(getApplicationContext(),"不允许音符继续升号",Toast.LENGTH_SHORT).show();
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}
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}
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//降号
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if(lowFlag){
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MusicNote note = noteList.get(v.getId());
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if (note.getNote()>14){//音符已经为升号
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Toast.makeText(getApplicationContext(),"不允许同一个音符上存在升号和降号",Toast.LENGTH_SHORT).show();
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}else if (note.getNote()-7>0){
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note.setNote(note.getNote()-7);//更改音符为降号
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ImageView lowDot = new ImageView(v.getContext());
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lowDot.setImageResource(R.drawable.dot);
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lowDot.setLayoutParams(new LinearLayout.LayoutParams(20,20));
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//下外边距被填满
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param.setMargins(0,20,0,3);
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noteView.setLayoutParams(param);
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layout.addView(lowDot,layout.getChildCount());
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}else{
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Toast.makeText(getApplicationContext(),"不允许音符继续降号",Toast.LENGTH_SHORT).show();
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}
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}
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//减时线
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if(dectimeFlag){
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MusicNote note = noteList.get(v.getId());
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note.setBeat(note.getBeat()-(float)1/2);//更改节拍
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if (note.isDectimeFlag()){
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Toast.makeText(v.getContext(),"不允许重复添加减时线",Toast.LENGTH_SHORT).show();
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}else {
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TextView decLine = new TextView(v.getContext());
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decLine.setBackgroundColor(Color.BLACK);
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LinearLayout.LayoutParams decparam = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, 3);
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//对齐
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if (note.getNote() < 8) {//减时线放在低音点的上面
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param.setMargins(0, 20, 0, 0);
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decLine.setLayoutParams(decparam);
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layout.addView(decLine, layout.getChildCount() - 1);
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} else if (note.getNote() > 14) {//高音点
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param.setMargins(0, 0, 0, 0);
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decparam.setMargins(0, 0, 0, 20);
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decLine.setLayoutParams(decparam);
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layout.addView(decLine, layout.getChildCount());
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} else {
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param.setMargins(0, 20, 0, 0);
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decparam.setMargins(0, 0, 0, 20);
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decLine.setLayoutParams(decparam);
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layout.addView(decLine, layout.getChildCount());
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}
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noteView.setLayoutParams(param);
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note.setDectimeFlag(true);//表示添加了减时线
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//只能先在前一个音符上加线，再在后一个音符上加？
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//判断前后音符是否添加了减时线
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//有则进行布局合并
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int pos = layout.getId();//布局在musicLayoutList中的索引
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int dex = v.getId();//音符在音符列表中的索引
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int forward = dex-1;
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int later = dex+1;
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if (pos-1>=0){//第一个音符不用看前面音符
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View forview = noteLayoutList.get(pos-1);//得到此布局的前一个view
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if(!(forview instanceof TextView)){//前一个音符不是增时线
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if (noteList.get(forward).isDectimeFlag()){//前一个音符加了减时线
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LinearLayout anotherLayout = (LinearLayout)forview;//前一个布局
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LinearLayout curLayout = (LinearLayout)noteLayoutList.get(pos);//本布局
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if (anotherLayout.getChildAt(0) instanceof LinearLayout){
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//Toast.makeText(v.getContext(),"只能有八分音符",Toast.LENGTH_SHORT).show();
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Log.e("freemd_dectime","只能有八分音符");
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}else {
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musicScoreLayout.removeAllViews();//把所有音符全部移除
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LinearLayout newLayout = new LinearLayout(v.getContext());
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//anotherLayout
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newLayout.addView(anotherLayout);
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newLayout.addView(curLayout);
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noteLayoutList.remove(pos);
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noteLayoutList.remove(pos-1);
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noteLayoutList.add(pos-1,newLayout);
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//重新画乐谱
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for (int i=0;i<noteLayoutList.size();i++){
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//画音符
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View view = noteLayoutList.get(i);
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view.setId(i);//重新设置位置
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musicScoreLayout.addView(view);
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//画分割线
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if (musicScoreLayout.getChildCount()%5==4){
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pauseLine();
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}
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}
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}
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}
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}
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}
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|
}
|
|
|
}
|
|
|
}
|
|
|
});
|
|
|
|
|
|
}
|
|
|
|
|
|
//生成分割线
|
|
|
public void pauseLine(){
|
|
|
//生成分割线
|
|
|
TextView tv = new TextView(this);
|
|
|
tv.setWidth(3);
|
|
|
tv.setHeight(50);
|
|
|
tv.setBackgroundColor(Color.BLACK);
|
|
|
musicScoreLayout.addView(tv);
|
|
|
}
|
|
|
|
|
|
public void verifyStoragePermissions() {
|
|
|
try {
|
|
|
//检测是否有写的权限
|
|
|
int permission = ActivityCompat.checkSelfPermission(FreemdActivity.this,
|
|
|
"android.permission.WRITE_EXTERNAL_STORAGE");
|
|
|
if (permission != PackageManager.PERMISSION_GRANTED) {
|
|
|
// 没有写的权限，去申请写的权限，会弹出对话框
|
|
|
ActivityCompat.requestPermissions(FreemdActivity.this, PERMISSIONS_STORAGE,REQUEST_EXTERNAL_STORAGE);
|
|
|
}
|
|
|
} catch (Exception e) {
|
|
|
e.printStackTrace();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
|
|
|
//按钮的初始化及监听
|
|
|
public void btnInit(){
|
|
|
Button delete = (Button)findViewById(R.id.Del);
|
|
|
final Button highNote = (Button)findViewById(R.id.high_note);
|
|
|
final Button lowNote = (Button)findViewById(R.id.low_note);
|
|
|
final Button inctime = (Button)findViewById(R.id.inc_time);
|
|
|
final Button dectime = (Button)findViewById(R.id.dec_time);
|
|
|
Button playMusic = (Button)findViewById(R.id.play_music);
|
|
|
Button saveMusic = (Button)findViewById(R.id.save_music);
|
|
|
|
|
|
//删除按钮的监听（有选择的删除？
|
|
|
//删除后播放有问题？
|
|
|
delete.setOnClickListener(new View.OnClickListener() {
|
|
|
@Override
|
|
|
public void onClick(View v) {
|
|
|
/* if(noteList.get(noteList.size()-1).getBeat()<1){//删除分割线和增时线时不会对列表做操作
|
|
|
noteList.remove(noteList.size()-1);//删除列表尾部的音符对象
|
|
|
}
|
|
|
if (musicScoreLayout.getChildCount()%5 != 0){//删除分割线时不会对列表做操作
|
|
|
noteLayoutList.remove(noteLayoutList.size()-1);//删除列表尾部的布局对象
|
|
|
}*/
|
|
|
|
|
|
if (musicScoreLayout.getChildCount()%5 != 0){//删除分割线时不会对列表做操作
|
|
|
View nllView = noteLayoutList.get(noteLayoutList.size()-1);
|
|
|
if (nllView instanceof LinearLayout){//不是增时线
|
|
|
if(((LinearLayout) nllView).getChildAt(0) instanceof LinearLayout){//假如是合并后的布局，需要删除两个音符
|
|
|
noteList.remove(noteList.size()-1);//删除列表尾部的音符对象
|
|
|
noteList.remove(noteList.size()-1);
|
|
|
index -= 2;
|
|
|
}else {
|
|
|
noteList.remove(noteList.size()-1);//删除列表尾部的音符对象
|
|
|
index -= 1;
|
|
|
}
|
|
|
}
|
|
|
noteLayoutList.remove(noteLayoutList.size()-1);//删除列表尾部的布局对象
|
|
|
}
|
|
|
|
|
|
int count = musicScoreLayout.getChildCount();
|
|
|
View delView = musicScoreLayout.getChildAt(count-1);
|
|
|
musicScoreLayout.removeView(delView);
|
|
|
}
|
|
|
});
|
|
|
|
|
|
//增时线按钮监听
|
|
|
inctime.setOnClickListener(new View.OnClickListener() {
|
|
|
@Override
|
|
|
public void onClick(View view) {
|
|
|
if (noteList.size()==0){
|
|
|
Toast.makeText(view.getContext(),"不应在音符前添加增时线",Toast.LENGTH_SHORT).show();
|
|
|
}else {
|
|
|
MusicNote note = noteList.get(noteList.size()-1);
|
|
|
note.setBeat(note.getBeat()+1);//增加一个节拍
|
|
|
|
|
|
TextView inctimeNote = new TextView(view.getContext());
|
|
|
inctimeNote.setWidth(10);
|
|
|
inctimeNote.setHeight(5);
|
|
|
inctimeNote.setBackgroundColor(Color.BLACK);
|
|
|
|
|
|
//增时线id
|
|
|
if (noteLayoutList.size() != 0){
|
|
|
int position = noteLayoutList.get(noteLayoutList.size()-1).getId();
|
|
|
inctimeNote.setId(position+1);
|
|
|
}else {
|
|
|
inctimeNote.setId(0);
|
|
|
}
|
|
|
|
|
|
|
|
|
musicScoreLayout.addView(inctimeNote);
|
|
|
noteLayoutList.add(inctimeNote);
|
|
|
|
|
|
//自动生成分割线
|
|
|
int count = musicScoreLayout.getChildCount();//得到子控件数量
|
|
|
if (count%5==4){
|
|
|
pauseLine();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
}
|
|
|
});
|
|
|
|
|
|
//给音符加高音/低音点按钮监听
|
|
|
|
|
|
highNote.setOnClickListener(new View.OnClickListener() {
|
|
|
@Override
|
|
|
public void onClick(View v) {
|
|
|
highFlag = !highFlag;
|
|
|
lowFlag = false;
|
|
|
dectimeFlag = false;
|
|
|
|
|
|
if (highFlag){
|
|
|
v.setBackgroundColor(Color.parseColor("#ad9d69"));
|
|
|
}else {
|
|
|
v.setBackgroundColor(Color.parseColor("#cdb97a"));
|
|
|
}
|
|
|
lowNote.setBackgroundColor(Color.parseColor("#cdb97a"));
|
|
|
dectime.setBackgroundColor(Color.parseColor("#cdb97a"));
|
|
|
|
|
|
|
|
|
}
|
|
|
});
|
|
|
|
|
|
lowNote.setOnClickListener(new View.OnClickListener() {
|
|
|
@Override
|
|
|
public void onClick(View v) {
|
|
|
lowFlag = !lowFlag;
|
|
|
highFlag = false;
|
|
|
dectimeFlag = false;
|
|
|
|
|
|
if (lowFlag){
|
|
|
v.setBackgroundColor(Color.parseColor("#ad9d69"));
|
|
|
}else {
|
|
|
v.setBackgroundColor(Color.parseColor("#cdb97a"));
|
|
|
}
|
|
|
highNote.setBackgroundColor(Color.parseColor("#cdb97a"));
|
|
|
dectime.setBackgroundColor(Color.parseColor("#cdb97a"));
|
|
|
|
|
|
|
|
|
}
|
|
|
});
|
|
|
|
|
|
//给音符加减时线按钮监听
|
|
|
dectime.setOnClickListener(new View.OnClickListener() {
|
|
|
@Override
|
|
|
public void onClick(View v) {
|
|
|
dectimeFlag = !dectimeFlag;
|
|
|
lowFlag = false;
|
|
|
highFlag = false;
|
|
|
|
|
|
if (dectimeFlag){
|
|
|
v.setBackgroundColor(Color.parseColor("#ad9d69"));
|
|
|
}else {
|
|
|
v.setBackgroundColor(Color.parseColor("#cdb97a"));
|
|
|
}
|
|
|
lowNote.setBackgroundColor(Color.parseColor("#cdb97a"));
|
|
|
highNote.setBackgroundColor(Color.parseColor("#cdb97a"));
|
|
|
|
|
|
|
|
|
}
|
|
|
});
|
|
|
|
|
|
//保存按钮监听
|
|
|
saveMusic.setOnClickListener(new View.OnClickListener() {
|
|
|
@Override
|
|
|
public void onClick(View v) {
|
|
|
//连接数据库，存入list
|
|
|
//OutputStreamWriter out = null;
|
|
|
verifyStoragePermissions();
|
|
|
|
|
|
try {
|
|
|
File file = new File(Environment.getExternalStorageDirectory().getPath(),"/Music/"+musicName+".txt");
|
|
|
|
|
|
if (!file.exists())//如果不存在该文件
|
|
|
{
|
|
|
file.createNewFile();
|
|
|
}
|
|
|
RandomAccessFile fos = new RandomAccessFile(file.getPath(), "rwd");
|
|
|
|
|
|
for (int i = 0;i<noteList.size();i++){
|
|
|
MusicNote note = noteList.get(i);
|
|
|
fos.write((note.getNote()+" "+note.getBeat()).getBytes());
|
|
|
//换行符
|
|
|
String newLine = System.getProperty("line.separator");
|
|
|
fos.write(newLine.getBytes());
|
|
|
|
|
|
}
|
|
|
fos.close();
|
|
|
String filepath=file.getPath();
|
|
|
String filename=musicName+".txt";
|
|
|
if( FileServiceUpload.uploadForm(filepath,filename)){
|
|
|
Toast.makeText(getApplicationContext(),"保存成功",Toast.LENGTH_SHORT).show();
|
|
|
}else{
|
|
|
Toast.makeText(getApplicationContext(),"保存失败",Toast.LENGTH_SHORT).show();
|
|
|
}
|
|
|
|
|
|
//Log.e("map",""+file.getPath());
|
|
|
}catch (Exception e){
|
|
|
e.printStackTrace();
|
|
|
}
|
|
|
|
|
|
}
|
|
|
});
|
|
|
|
|
|
//播放按钮监听
|
|
|
playMusic.setOnClickListener(new View.OnClickListener() {
|
|
|
@Override
|
|
|
public void onClick(View v) {
|
|
|
//在新的线程上播放音乐
|
|
|
playMusicRunnable runnable = new playMusicRunnable(v.getContext());
|
|
|
Thread thread = new Thread(runnable);
|
|
|
//启动线程
|
|
|
thread.start();
|
|
|
}
|
|
|
|
|
|
});
|
|
|
}
|
|
|
|
|
|
//播放音乐的线程
|
|
|
class playMusicRunnable implements Runnable {
|
|
|
Context context;
|
|
|
|
|
|
public playMusicRunnable(Context context) {
|
|
|
this.context = context;
|
|
|
}
|
|
|
|
|
|
@Override
|
|
|
public void run() {
|
|
|
try {
|
|
|
for (int i = 0;i<noteList.size();i++){
|
|
|
int note = noteList.get(i).getNote()-1;
|
|
|
if (note == 0){
|
|
|
Thread.sleep(2000);
|
|
|
}else {
|
|
|
util.soundPlay(note);
|
|
|
int beat = (int) (noteList.get(i).getBeat()*500);
|
|
|
Thread.sleep(beat);
|
|
|
}
|
|
|
}
|
|
|
} catch (InterruptedException e) {
|
|
|
e.printStackTrace();
|
|
|
}
|
|
|
|
|
|
}
|
|
|
}
|
|
|
} |
