android6.0音频录制与播放

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package com.github.obsessive.tests.luyin;import android.Manifest;import android.content.Intent;import android.content.pm.PackageManager;import android.media.MediaRecorder;import android.net.Uri;import android.os.Build;import android.os.Environment;import android.support.v4.app.ActivityCompat;import android.support.v4.content.ContextCompat;import android.support.v4.content.FileProvider;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.widget.AdapterView;import android.widget.ArrayAdapter;import android.widget.CheckedTextView;import android.widget.ImageButton;import android.widget.ListView;import android.widget.TextView;import android.widget.Toast;import com.github.obsessive.tests.Media.xxxTests;import com.github.obsessive.tests.R;import java.io.File;import java.io.IOException;import java.util.ArrayList;public class Luyin_audio_player extends AppCompatActivity {    private ImageButton myButton1;    private ImageButton myButton2;    private ImageButton myButton3;    private ImageButton myButton4;    private ListView myListView1;    private String strTempFile = "ex07_11_";    private File myRecAudioFile;    private File myRecAudioDir;    private File myPlayFile;    private MediaRecorder mMediaRecorder01;    private ArrayList<String> recordFiles;    private ArrayAdapter<String> adapter;    private TextView myTextView1;    private boolean sdCardExit;    private boolean isStopRecord;    private final int REQUEST_CODE_ASK_CALL_PHONE = 123;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_luyin_audio_player);        Accessibility();    }    private void initViews() {        myButton1 = (ImageButton) findViewById(R.id.ImageButton01);        myButton2 = (ImageButton) findViewById(R.id.ImageButton02);        myButton3 = (ImageButton) findViewById(R.id.ImageButton03);        myButton4 = (ImageButton) findViewById(R.id.ImageButton04);        myListView1 = (ListView) findViewById(R.id.ListView01);        myTextView1 = (TextView) findViewById(R.id.TextView01);        myButton2.setEnabled(false);        myButton3.setEnabled(false);        myButton4.setEnabled(false);    /* 判断SD Card是否插入 */        sdCardExit = Environment.getExternalStorageState().equals(                android.os.Environment.MEDIA_MOUNTED);    /* 取得SD Card路径作为录音的文件位置 */        if (sdCardExit)            myRecAudioDir = Environment.getExternalStorageDirectory();    /* 取得SD Card目录里的所有.amr文件 */        getRecordFiles();        adapter = new ArrayAdapter<String>(this,                R.layout.my_simple_list_item, recordFiles);    /* 将ArrayAdapter添加ListView对象中 */        myListView1.setAdapter(adapter);    /* 录音 */        myButton1.setOnClickListener(new ImageButton.OnClickListener() {            @Override            public void onClick(View arg0) {                try {                    if (!sdCardExit) {                        Toast.makeText(Luyin_audio_player.this, "请插入SD Card",                                Toast.LENGTH_LONG).show();                        return;                    }          /* 创建录音频文件 */                    myRecAudioFile = File.createTempFile(strTempFile, ".amr",                            myRecAudioDir);                    mMediaRecorder01 = new MediaRecorder();          /* 设置录音来源为麦克风 */                    mMediaRecorder01                            .setAudioSource(MediaRecorder.AudioSource.MIC);                    mMediaRecorder01                            .setOutputFormat(MediaRecorder.OutputFormat.DEFAULT);                    mMediaRecorder01                            .setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT);                    mMediaRecorder01.setOutputFile(myRecAudioFile                            .getAbsolutePath());                    mMediaRecorder01.prepare();                    mMediaRecorder01.start();                    myTextView1.setText("录音中");                    myButton2.setEnabled(true);                    myButton3.setEnabled(false);                    myButton4.setEnabled(false);                    isStopRecord = false;                } catch (IOException e) {                    // TODO Auto-generated catch block                    e.printStackTrace();                }            }        });    /* 停止 */        myButton2.setOnClickListener(new ImageButton.OnClickListener() {            @Override            public void onClick(View arg0) {                // TODO Auto-generated method stub                if (myRecAudioFile != null) {          /* 停止录音 */                    mMediaRecorder01.stop();                    mMediaRecorder01.release();                    mMediaRecorder01 = null;          /* 将录音频文件名给Adapter */                    adapter.add(myRecAudioFile.getName());                    myTextView1.setText("停止：" + myRecAudioFile.getName());                    myButton2.setEnabled(false);                    isStopRecord = true;                }            }        });    /* 播放 */        myButton3.setOnClickListener(new ImageButton.OnClickListener() {            @Override            public void onClick(View arg0) {                // TODO Auto-generated method stub                if (myPlayFile != null && myPlayFile.exists()) {          /* 打开播放的程序 */                    openFile(myPlayFile);                }            }        });    /* 删除 */        myButton4.setOnClickListener(new ImageButton.OnClickListener() {            @Override            public void onClick(View arg0) {                // TODO Auto-generated method stub                if (myPlayFile != null) {          /* 先将Adapter删除文件名 */                    adapter.remove(myPlayFile.getName());          /* 删除文件 */                    if (myPlayFile.exists())                        myPlayFile.delete();                    myTextView1.setText("完成删除");                }            }        });        myListView1.setOnItemClickListener                (new AdapterView.OnItemClickListener() {                    @Override                    public void onItemClick(AdapterView<?> arg0, View arg1,                                            int arg2, long arg3) {        /* 当有点击档名时将删除及播放按钮Enable */                        myButton3.setEnabled(true);                        myButton4.setEnabled(true);                        myPlayFile = new File(myRecAudioDir.getAbsolutePath()                                + File.separator                                + ((CheckedTextView) arg1).getText());                        myTextView1.setText("你选的是："                                + ((CheckedTextView) arg1).getText());                    }                });    }    @Override    protected void onStop() {        if (mMediaRecorder01 != null && !isStopRecord) {      /* 停止录音 */            mMediaRecorder01.stop();            mMediaRecorder01.release();            mMediaRecorder01 = null;        }        super.onStop();    }    private void getRecordFiles() {        recordFiles = new ArrayList<String>();        if (sdCardExit) {            File files[] = myRecAudioDir.listFiles();            if (files != null) {                for (int i = 0; i < files.length; i++) {                    if (files[i].getName().indexOf(".") >= 0) {            /* 只取.amr文件 */                        String fileS = files[i].getName().substring(                                files[i].getName().indexOf("."));                        if (fileS.toLowerCase().equals(".amr"))                            recordFiles.add(files[i].getName());                    }                }            }        }    }    /* 打开播放录音文件的程序 */    private void openFile(File f) {        Intent intent = new Intent();        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);        intent.setAction(android.content.Intent.ACTION_VIEW);        String type = getMIMEType(f);        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {            Uri u = FileProvider.getUriForFile(Luyin_audio_player.this, getApplicationContext().getPackageName() + ".provider", f);            intent.setDataAndType(u, type);        } else {            intent.setDataAndType(Uri.fromFile(f), type);        }        startActivity(intent);    }    private String getMIMEType(File f) {        String end = f.getName().substring(                f.getName().lastIndexOf(".") + 1, f.getName().length())                .toLowerCase();        String type = "";        if (end.equals("mp3") || end.equals("aac") || end.equals("aac")                || end.equals("amr") || end.equals("mpeg")                || end.equals("mp4")) {            type = "audio";        } else if (end.equals("jpg") || end.equals("gif")                || end.equals("png") || end.equals("jpeg")) {            type = "image";        } else {            type = "*";        }        type += "/*";        return type;    }    /**     * 对于6.0以后的机器动态权限申请     */    /**     * 对于6.0以后的机器动态权限申请     */    public void Accessibility() {        if (Build.VERSION.SDK_INT >= 23) {            int checkCallPhonePermission2 = ContextCompat.checkSelfPermission(Luyin_audio_player.this, Manifest.permission.WRITE_EXTERNAL_STORAGE);            int checkCallPhonePermission3 = ContextCompat.checkSelfPermission(Luyin_audio_player.this, Manifest.permission.RECORD_AUDIO);            if (checkCallPhonePermission2 != PackageManager.PERMISSION_GRANTED && checkCallPhonePermission3 != PackageManager.PERMISSION_GRANTED) {                ActivityCompat.requestPermissions(Luyin_audio_player.this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.RECORD_AUDIO}, REQUEST_CODE_ASK_CALL_PHONE);                return;            } else {                initViews();            }        } else {            initViews();        }    }    @Override    public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {        switch (requestCode) {            case REQUEST_CODE_ASK_CALL_PHONE:                if (grantResults[0] == PackageManager.PERMISSION_GRANTED && grantResults[1] == PackageManager.PERMISSION_GRANTED) {                    // Permission Granted                    initViews();                } else {                    // Permission Denied                    Toast.makeText(Luyin_audio_player.this, "CALL_PHONE Denied", Toast.LENGTH_SHORT)                            .show();                }                break;            default:                super.onRequestPermissionsResult(requestCode, permissions, grantResults);        }    }}
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