Android通话录音 1、Android怎么实现通话录音的,代码能给看看么?2、网上说上行和下行的音频录不了,能录的也是混合音的3、ALSA能不能支持单向录音,也就是单独的录来电的声音和自己说话的MIC的声音的,具体的配置是怎么配的呢。很迷惑 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 没有看到任何关于单向录音的资料,Mic的不少package irdc.ex07_11;import java.io.File;import java.io.IOException;import java.util.ArrayList;import android.app.Activity;import android.content.Intent;import android.media.MediaRecorder;import android.net.Uri;import android.os.Bundle;import android.os.Environment;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;public class EX07_11 extends Activity{ 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; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); 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); sdCardExit = Environment.getExternalStorageState().equals( android.os.Environment.MEDIA_MOUNTED); if (sdCardExit) myRecAudioDir = Environment.getExternalStorageDirectory(); getRecordFiles(); adapter = new ArrayAdapter<String>(this, R.layout.my_simple_list_item, recordFiles); myListView1.setAdapter(adapter); myButton1.setOnClickListener(new ImageButton.OnClickListener() { @Override public void onClick(View arg0) { try { if (!sdCardExit) { Toast.makeText(EX07_11.this, "Ω–¥°§JSD Card", Toast.LENGTH_LONG).show(); return; } myRecAudioFile = File.createTempFile(strTempFile, ".amr", myRecAudioDir); mMediaRecorder01 = new MediaRecorder(); 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("ø˝≠µ§§"); myButton2.setEnabled(true); myButton3.setEnabled(false); myButton4.setEnabled(false); isStopRecord = false; } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }); myButton2.setOnClickListener(new ImageButton.OnClickListener() { @Override public void onClick(View arg0) { // TODO Auto-generated method stub if (myRecAudioFile != null) { mMediaRecorder01.stop(); adapter.add(myRecAudioFile.getName()); mMediaRecorder01.release(); mMediaRecorder01 = null; myTextView1.setText("∞±§Ó°G" + myRecAudioFile.getName()); myButton2.setEnabled(false); isStopRecord = true; } } }); myButton3.setOnClickListener(new ImageButton.OnClickListener() { @Override public void onClick(View arg0) { // TODO Auto-generated method stub if (myPlayFile != null && myPlayFile.exists()) { openFile(myPlayFile); } } }); myButton4.setOnClickListener(new ImageButton.OnClickListener() { @Override public void onClick(View arg0) { // TODO Auto-generated method stub if (myPlayFile != null) { adapter.remove(myPlayFile.getName()); if (myPlayFile.exists()) myPlayFile.delete(); myTextView1.setText("ßπ¶®ßR∞£"); } } }); myListView1 .setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { myButton3.setEnabled(true); myButton4.setEnabled(true); myPlayFile = new File(myRecAudioDir.getAbsolutePath() + File.separator + ((CheckedTextView) arg1).getText()); myTextView1.setText("ßAøÔ™∫¨O°G" + ((CheckedTextView) arg1).getText()); } }); } @Override protected void onStop() { if (mMediaRecorder01 != null && !isStopRecord) { 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) { String fileS = files[i].getName().substring( files[i].getName().indexOf(".")); if (fileS.toLowerCase().equals(".amr")) recordFiles.add(files[i].getName()); } } } } } 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); 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; }} 那这样好了,怎么实现ALSA的单声道录音,就是只录制左声道或者只录制右声道的 麻烦大家帮我一下这个界面怎样设计 安卓手机无法安装文件肿么办 Android background问题 求帮助 请问如何实现 CheckBox 的 tree 型显示。 手机相机扫描程序 synchronized会使线程调用耗时更多吗? 关于Android的一个程序问题,货币转换 下拉刷新怎么导入 用JNI实现用adb相关的命令怎么没有实现操作,请指教 python初步入门 关于Toast显示的问题 求救:800 * 480的屏幕,图片缩放不能满屏
package irdc.ex07_11;import java.io.File;
import java.io.IOException;
import java.util.ArrayList;import android.app.Activity;
import android.content.Intent;
import android.media.MediaRecorder;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
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;public class EX07_11 extends Activity
{
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; /** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main); 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); sdCardExit = Environment.getExternalStorageState().equals(
android.os.Environment.MEDIA_MOUNTED);
if (sdCardExit)
myRecAudioDir = Environment.getExternalStorageDirectory();
getRecordFiles(); adapter = new ArrayAdapter<String>(this,
R.layout.my_simple_list_item, recordFiles); myListView1.setAdapter(adapter);
myButton1.setOnClickListener(new ImageButton.OnClickListener()
{ @Override
public void onClick(View arg0)
{
try
{
if (!sdCardExit)
{
Toast.makeText(EX07_11.this, "Ω–¥°§JSD Card",
Toast.LENGTH_LONG).show();
return;
}
myRecAudioFile = File.createTempFile(strTempFile, ".amr",
myRecAudioDir); mMediaRecorder01 = new MediaRecorder(); 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("ø˝≠µ§§"); myButton2.setEnabled(true);
myButton3.setEnabled(false);
myButton4.setEnabled(false); isStopRecord = false; } catch (IOException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
} }
}); myButton2.setOnClickListener(new ImageButton.OnClickListener()
{ @Override
public void onClick(View arg0)
{
// TODO Auto-generated method stub
if (myRecAudioFile != null)
{ mMediaRecorder01.stop(); adapter.add(myRecAudioFile.getName());
mMediaRecorder01.release();
mMediaRecorder01 = null;
myTextView1.setText("∞±§Ó°G" + myRecAudioFile.getName()); myButton2.setEnabled(false); isStopRecord = true;
}
}
}); myButton3.setOnClickListener(new ImageButton.OnClickListener()
{ @Override
public void onClick(View arg0)
{
// TODO Auto-generated method stub
if (myPlayFile != null && myPlayFile.exists())
{ openFile(myPlayFile);
} }
}); myButton4.setOnClickListener(new ImageButton.OnClickListener()
{ @Override
public void onClick(View arg0)
{
// TODO Auto-generated method stub
if (myPlayFile != null)
{ adapter.remove(myPlayFile.getName()); if (myPlayFile.exists())
myPlayFile.delete();
myTextView1.setText("ßπ¶®ßR∞£");
} }
}); myListView1
.setOnItemClickListener(new AdapterView.OnItemClickListener()
{
@Override
public void onItemClick(AdapterView<?> arg0, View arg1,
int arg2, long arg3)
{ myButton3.setEnabled(true);
myButton4.setEnabled(true); myPlayFile = new File(myRecAudioDir.getAbsolutePath()
+ File.separator
+ ((CheckedTextView) arg1).getText());
myTextView1.setText("ßAøÔ™∫¨O°G"
+ ((CheckedTextView) arg1).getText());
}
}); } @Override
protected void onStop()
{
if (mMediaRecorder01 != null && !isStopRecord)
{ 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)
{ String fileS = files[i].getName().substring(
files[i].getName().indexOf("."));
if (fileS.toLowerCase().equals(".amr"))
recordFiles.add(files[i].getName()); }
}
}
}
}
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);
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;
}
}