Android 录音播放示例

package com.mchron.icube.record; import java.io.File; import java.io.FileDescriptor; import java.io.FileInputStream; import java.io.IOException; import java.sql.Time; import java.util.ArrayList; import com.mchron.icube.data.AmbientSoundCode; import android.app.Activity; import android.app.AlertDialog; import android.content.ContentUris; import android.content.ContentValues; import android.content.Context; import android.content.DialogInterface; import android.database.Cursor; import android.media.MediaPlayer; import android.media.MediaRecorder; import android.net.Uri; import android.os.Bundle; import android.os.Environment; import android.os.Handler; import android.os.Message; import android.text.TextUtils; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.AdapterView.OnItemLongClickListener; import android.widget.ArrayAdapter; import android.widget.EditText; import android.widget.ImageButton; import android.widget.ListView; import android.widget.ProgressBar; import android.widget.TextView; import android.widget.Toast; public class AmbientSound extends Activity { // /// Massage for Timer Handler private static final int GUI_STOP = 0x111; private static final int GUI_THREADING = 0x112; // /// Massage for Refresh Audio File ListView private static final int GUI_LIST_VIEW_REFRESH = 0x113; // /// Massage for Record private static final int MSG_FOR_RECORD_DURATION = 0x114; // /// TAG for Exception public static final String TAG = "SoundEx"; // /// buttons for record private ImageButton mImageButtonRecord; private ImageButton mImageButtonStop; private ImageButton mImageButtonSetting; // /// list view for displaying recorded audio files private ListView mListViewRecordedFile; // /// record progress private ProgressBar mProgressBarRecord; // /// record time private TextView mTextViewRecordTime; // /// recorded audio folder private File mFileRecAudioDir; // /// recorded audio file private File mFileRecAudio; // /// private Uri mUriCurrentRecord; private int mClipCount; private int mClipTotal; // /// instance of recorder private MediaRecorder mMediaRecorder = null; // /// instance of player public MediaPlayer mMediaplayer = new MediaPlayer(); // /// recorded audio temp name private String strTempFileName = "mChron_SoundEx_Ambient_Sound"; // /// adapter for display recorded audio files private ArrayAdapter<String> mArrayAdapter; // for recorded audio files private ArrayList<String> mArrayListRecordedFiles; // /// Handler for timer private Handler mHandler; // /// sdcard exists or not private boolean mSdcardExists = false; // /// second, minutes and hours for record private int mSecond; private int mMinute; private int mHour; private int mRecordTotalSeconds; private int mRecordDuration = 0; private int mRecordInterval = 0; // /// progress current value private int mProgessCurrentValue = 0; // /// progress bar position private int mProgress; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.ambient_sound); // ////// initial buttons initialControls(); // ///// set response function for record button setOnClickFunctionForImageButtons(this); // /// justify whether sdcard exists mSdcardExists = Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED); // /// if sd card exists if (mSdcardExists == true) { // get the folder for store recorded audio files mFileRecAudioDir = Environment.getExternalStorageDirectory(); // get all audio files getRecordedAudioFiles(); // display the audio files in list view mArrayAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, mArrayListRecordedFiles); // // 将ArrayAdater添加ListView对象中 mListViewRecordedFile.setAdapter(mArrayAdapter); } // /// media player if (mMediaplayer == null) { try { mMediaplayer = new MediaPlayer(); } catch (IllegalStateException e) { e.printStackTrace(); Log.i(TAG, e.toString()); } } // /// set hanlder for timer initialHanlderForTimer(); } private void initialControls() { mImageButtonRecord = (ImageButton) findViewById(R.id.icon_record); mImageButtonStop = (ImageButton) findViewById(R.id.icon_stop); mImageButtonSetting = (ImageButton) findViewById(R.id.icon_setting); mProgressBarRecord = (ProgressBar) findViewById(R.id.progress_bar_record); mTextViewRecordTime = (TextView) findViewById(R.id.text_view_time); mListViewRecordedFile = (ListView) findViewById(R.id.list_view_record); mImageButtonStop.setEnabled(false); String strTotal = getString(R.string.ambient_sound_parameters_total_time_pre_set); String strDuration = getString(R.string.ambient_sound_parameters_record_duration_pre_set); String strInterval = getString(R.string.ambient_sound_parameters_record_interval_preset); mRecordTotalSeconds = new Integer(strTotal); mRecordDuration = new Integer(strDuration); mRecordInterval = new Integer(strInterval); } private void setOnClickFunctionForImageButtons(Context context) { if (mImageButtonSetting != null) { mImageButtonSetting.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { LayoutInflater inflater = getLayoutInflater(); final View layout = inflater.inflate(R.layout.ambient_sound_setting_dialog, null); new AlertDialog.Builder(AmbientSound.this).setTitle(R.string.ambient_sound_parameters_setting) .setView(layout) .setPositiveButton(R.string.ambient_sound_dialog_ok, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { try { EditText mEditTextTotalTime = (EditText) layout .findViewById(R.id.edit_text_total_time_parameter); EditText mEditTextDuration = (EditText) layout .findViewById(R.id.edit_text_record_duration); EditText mEditTextInterval = (EditText) layout .findViewById(R.id.edit_text_record_interval); String strTotal = mEditTextTotalTime.getText().toString(); String strDuration = mEditTextDuration.getText().toString(); String strInterval = mEditTextInterval.getText().toString(); mRecordTotalSeconds = new Integer(strTotal); mRecordDuration = new Integer(strDuration); mRecordInterval = new Integer(strInterval); TextView textViewTotalTime = (TextView) findViewById(R.id.text_view_total_time); String strDisplayTotalTime = getString(R.string.ambient_sound_parameters_total_time); strDisplayTotalTime += strTotal; strDisplayTotalTime += " " + getString(R.string.ambient_sound_parameters_unit); textViewTotalTime.setText(strDisplayTotalTime); } catch (Exception e) { e.printStackTrace(); Log.i(VoiceAnnotation.TAG, e.toString()); mRecordTotalSeconds = 0; mRecordDuration = 0; mRecordInterval = 0; } } }).setNegativeButton(R.string.ambient_sound_dialog_cacel, null).show(); } }); } if (mImageButtonRecord != null) { mImageButtonRecord.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { if (mSdcardExists == false) { String strWarningNoSDCard = AmbientSound.this.getResources().getString( R.string.warning_for_no_sd_card); Toast.makeText(AmbientSound.this, strWarningNoSDCard, Toast.L