parent
c8c1d5553a
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package com.example.musicwork.freeModel;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.graphics.Color;
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import android.os.Environment;
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import android.provider.MediaStore;
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//import android.support.annotation.IdRes;
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//import android.support.v4.app.NotificationCompat;
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//import android.support.v4.view.LayoutInflaterCompat;
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//import android.support.v7.app.AlertDialog;
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//import android.support.v7.app.AppCompatActivity;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.widget.Button;
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import android.widget.EditText;
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import android.widget.LinearLayout;
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import android.widget.RadioButton;
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import android.widget.RadioGroup;
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import android.widget.TextView;
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import android.widget.Toast;
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import androidx.appcompat.app.AppCompatActivity;
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import androidx.core.app.ActivityCompat;
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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.SignIn;
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import org.json.JSONException;
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import java.io.BufferedReader;
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import java.io.DataInputStream;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.OutputStream;
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import java.util.ArrayList;
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import java.util.List;
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public class InitActivity extends AppCompatActivity {
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String username ;
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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_init);
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final Data data = (Data)getApplication();
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username = data.getUsername();
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btnInit();
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}
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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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public void verifyStoragePermissions() {
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try {
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//检测是否有写的权限
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int permission = ActivityCompat.checkSelfPermission(InitActivity.this,
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"android.permission.READ_EXTERNAL_STORAGE");
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if (permission != PackageManager.PERMISSION_GRANTED) {
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// 没有写的权限，去申请写的权限，会弹出对话框
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ActivityCompat.requestPermissions(InitActivity.this, PERMISSIONS_STORAGE,REQUEST_EXTERNAL_STORAGE);
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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//创建弹窗，显示文件名
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public void showFileName(ArrayList<String> list){
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LinearLayout fileList = new LinearLayout(this);
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fileList.setOrientation(LinearLayout.VERTICAL);
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TextView hintText = new TextView(this);
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hintText.setText("请选择想要打开的音乐文件：");
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hintText.setTextColor(Color.BLACK);
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hintText.setTextSize(15);
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fileList.addView(hintText);
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Dialog dialog = new Dialog(this);
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for(int i=0;i<list.size();i++){
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TextView fileName = new TextView(this);
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fileName.setText(list.get(i));
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LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,LinearLayout.LayoutParams.WRAP_CONTENT);
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params.setMargins(10,5,0,5);
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fileName.setLayoutParams(params);
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fileList.addView(fileName);
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//监听
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fileName.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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TextView textView = (TextView)v;
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String fileName = textView.getText().toString();
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try {
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if(FileServiceDownload.downloadForm(fileName)){
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// String string = sentFile(fileName);
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Toast.makeText(getApplicationContext(),"下载文件成功",Toast.LENGTH_SHORT).show();
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sentFile(fileName);
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//Log.e("Init content:",string);
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}else{
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Toast.makeText(getApplicationContext(),"下载文件失败",Toast.LENGTH_SHORT).show();
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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});
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}
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//创建弹窗
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dialog.setContentView(fileList);
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dialog.show();
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}
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//将文件内容传入主活动
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public void sentFile(String filename) throws IOException {
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verifyStoragePermissions();
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Bundle bundle = new Bundle();
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Intent intent = new Intent(InitActivity.this,FreemdActivity.class);//传递输入数据
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bundle.putString("flag","open");
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List<MusicNote> noteList = new ArrayList<>();
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String path=Environment.getExternalStorageDirectory().getPath()+"/Music/"+filename;
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String environment = Environment.getExternalStorageState();
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if(Environment.MEDIA_MOUNTED.equals(environment)) {
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//读文件
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File file = new File(path);
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FileInputStream fis = new FileInputStream(file);
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Log.e("filepath:", file.getPath());
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DataInputStream in = new DataInputStream(fis);
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//StringBuilder content = new StringBuilder();
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BufferedReader reader = new BufferedReader(new InputStreamReader(in));
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String line;
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String mydata = "";
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int i = 0;
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while ((line = reader.readLine()) != null) {
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String[] strarray = line.split(" ");
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bundle.putStringArray("note"+i,strarray);
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i += 1;
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//mydata = mydata + line;
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/*int note = Integer.parseInt(strarray[0]);
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float beat = Float.parseFloat(strarray[1]);
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MusicNote musicNote = new MusicNote(note,beat);
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noteList.add(musicNote);*/
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//Log.e("mydata:", " "+strarray[1]);
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}
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bundle.putInt("length",i);//存储读出的音符列表的长度
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}
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//将数据发送到主活动
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intent.putExtras(bundle);
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startActivity(intent);
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}
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private void btnInit(){
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Button createMusic = (Button)findViewById(R.id.create_music);
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Button openMusic = (Button)findViewById(R.id.open_score);
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//打开文件按钮的监听
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openMusic.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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ArrayList<String> list = new ArrayList<String>();
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try {
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list=CheckFileList.CheckFileList(SignIn.author_name);
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} catch (IOException e) {
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e.printStackTrace();
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} catch (JSONException e) {
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e.printStackTrace();
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}
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showFileName(list);//显示文件列表
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}
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});
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//新建按钮的监听
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createMusic.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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//弹出窗口
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final Intent intent = new Intent(InitActivity.this,FreemdActivity.class);//传递输入数据
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LayoutInflater inflater = (LayoutInflater)getApplicationContext().getSystemService(LAYOUT_INFLATER_SERVICE);
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final View view = inflater.inflate(R.layout.create_layout,null);//加载新建界面布局
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AlertDialog.Builder builder = new AlertDialog.Builder(InitActivity.this);//创建弹出框
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builder.setView(view);//设置弹出框界面
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builder.setTitle("新建简谱").setPositiveButton("确定", new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {//接收输入框输入的信息
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final Bundle bundle = new Bundle();
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EditText musicNameView = (EditText)view.findViewById(R.id.music_name);
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String musicName = musicNameView.getText().toString();//音乐名
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final RadioGroup musicBeatGroup = (RadioGroup)view.findViewById(R.id.music_beat);
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RadioButton musicBeatBtn = (RadioButton)view.findViewById(musicBeatGroup.getCheckedRadioButtonId());//被选中的单选按钮
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String musicBeat = musicBeatBtn.getText().toString();//音乐拍号
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//存入bundle
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bundle.putString("flag","init");
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bundle.putString("musicName",musicName);
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bundle.putString("musicBeat",musicBeat);
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intent.putExtras(bundle);
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dialog.cancel();//关闭弹出框
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startActivity(intent);
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}
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}).create().show();
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}
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});
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}
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}
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