Javascript 使用Phonegap,我想录制语音,停止录制,并在Android中播放
HTML文件有4个按钮,分别用于录制、停止录制声音和播放、停止播放声音。代码如下所示Javascript 使用Phonegap,我想录制语音,停止录制,并在Android中播放,javascript,android,jquery,html,cordova,Javascript,Android,Jquery,Html,Cordova,HTML文件有4个按钮,分别用于录制、停止录制声音和播放、停止播放声音。代码如下所示 <!DOCTYPE HTML> <html> <head> <title>Cordova</title> <script type="text/javascript" charset="utf-8" src="scripts/cordova-1.9.0.js"></script>
<!DOCTYPE HTML>
<html>
<head>
<title>Cordova</title>
<script type="text/javascript" charset="utf-8" src="scripts/cordova-1.9.0.js"></script>
<script type="text/javascript" charset="utf-8" src="scripts/jquery-1.7.2.min.js"></script>
<script>
$(document).ready(function(){
$("#record").on("click", function(){
alert("record start");
window.plugins.VoicePlugin.record(function(){alert("yo");},
function(){alert("yol");},
"voice.3gp");
});
$("#stoprecord").on('click', function(){
alert("record stop");
window.plugins.VoicePlugin.stoprecord(function(){},
function(){},
"voice.3pg");
});
$("#play").on("click", function(){
alert("play");
window.plugins.VoicePlugin.play(function(){},
function(){},
"voice.3pg");
});
$("#stopplay").on("click", function(){
alert("stop play");
window.plugins.VoicePlugin.stopplay(function(){},
function(){},
"voice.3pg");
});
});
</script>
</head>
<body>
<button id="record">Start Recording</button>
<button id="stoprecord">Stop Recording</button>
<button id="play">Start Playing</button>
<button id="stopplay">Stop Playing</button>
</body>
</html>
关键是,我应该继续做一个记录、停止记录、播放和停止播放声音的活动。如果我使用phonegap,因为它只是通过插件发送一些字符串,所以每次都会创建并销毁
MediaRecorder
和MediaPlayer
对象。我按下html格式的录制按钮,将创建MediaRecorder
对象,但按下停止录制按钮无法停止刚刚创建的MediaRecorder
对象。这个问题有什么解决方案吗?使用Phonegap,我可以录制语音并播放录制语音,而无需添加插件。
我只将Phonegap媒体插件连接到我的应用程序,如下所示:
app/res/xml/config.xml
<plugin name="Media" value="org.apache.cordova.AudioHandler" />
app/AndroidManifest.xml
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
app/res/xml/config.xml
app/AndroidManifest.xml
代码如下:
<!DOCTYPE html>
<html>
<head>
<title></title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no;" />
<meta charset="utf-8">
<script type="text/javascript" charset="utf-8" src="cordova-2.2.0.js"></script>
<script type="text/javascript" src="jquery-1.7.2.js"></script>
<script type="text/javascript">
var deviceready = false;
var mediaVar = null;
var recordFileName = "recording.wav";
function onBodyLoad()
{
document.addEventListener("deviceready", onDeviceReady, false);
deviceready = true;
}
$(document).ready(function(){
//validation to check if device is ready is skipped
$("#recordBtn").click(function(){
record();
});
$("#playBtn").click(function(){
play();
});
$("#stopBtn").click(function(){
stop();
});
});
function record()
{
if (mediaVar != null) {
mediaVar.release();
}
createMedia(function(){
status = "recording";
mediaVar.startRecord();
},onStatusChange);
}
function createMedia(onMediaCreated, mediaStatusCallback){
if (mediaVar != null) {
onMediaCreated();
return;
}
if (typeof mediaStatusCallback == 'undefined')
mediaStatusCallback = null;
mediaVar = new Media(recordFileName, function(){
log("Media created successfully");
}, onError, mediaStatusCallback);
onMediaCreated();
}
function stop()
{
if (mediaVar == null)
return;
if (status == 'recording')
{
mediaVar.stopRecord();
log("Recording stopped");
}
else if (status == 'playing')
{
mediaVar.stop();
log("Play stopped");
}
else
{
log("Nothing stopped");
}
status = 'stopped';
}
function play()
{
createMedia(function(){
status = "playing";
mediaVar = new Media('/sdcard/'+recordFileName, function(){
log("Media created successfully");
}, onError);
mediaVar.play();
});
}
function onStatusChange()
{
}
function onSuccess()
{
//do nothing
}
function onError(err)
{
if (typeof err.message != 'undefined')
err = err.message;
alert("Error : " + err);
}
function log(message)
{
console.info(message);
}
</script>
</head>
<body onload="onBodyLoad()">
Recorder<br>
<input type="button" name="recordBtn" id="recordBtn" value="Record">
<input type="button" name="stopBtn" id="stopBtn" value="Stop">
<input type="button" name="playBtn" id="playBtn" value="Play">
</body>
</html>
var-devicerady=false;
var-mediaVar=null;
var recordFileName=“recording.wav”;
函数onBodyLoad()
{
文件。添加的监听器(“deviceready”,OnDeviceraddy,false);
DeviceRady=真;
}
$(文档).ready(函数(){
//跳过检查设备是否准备就绪的验证
$(“#recordBtn”)。单击(函数(){
记录();
});
$(“#playBtn”)。单击(函数(){
play();
});
$(“#stopBtn”)。单击(函数(){
停止();
});
});
函数记录()
{
if(mediaVar!=null){
mediaVar.release();
}
createMedia(函数(){
status=“正在录制”;
中隔星状核();
},onStatusChange);
}
函数createMedia(onMediaCreated、mediaStatusCallback){
if(mediaVar!=null){
onMediaCreated();
回来
}
if(mediaStatusCallback的类型==“未定义”)
mediaStatusCallback=null;
mediaVar=新媒体(记录文件名,函数(){
日志(“已成功创建媒体”);
}、OneError、mediaStatusCallback);
onMediaCreated();
}
函数停止()
{
if(mediaVar==null)
回来
如果(状态==‘记录’)
{
mediaVar.stopRecord();
日志(“记录停止”);
}
否则,如果(状态=‘正在播放’)
{
mediaVar.stop();
日志(“播放停止”);
}
其他的
{
日志(“没有停止”);
}
状态='停止';
}
函数播放()
{
createMedia(函数(){
status=“playing”;
mediaVar=新媒体('/sdcard/'+记录文件名,函数(){
日志(“已成功创建媒体”);
},onError);
mediaVar.play();
});
}
函数onStatusChange()
{
}
函数onSuccess()
{
//无所事事
}
函数ONERR(错误)
{
if(err.message的类型!=“未定义”)
err=err.message;
警报(“错误:+err”);
}
功能日志(消息)
{
控制台信息(消息);
}
记录器
在Android设备上,PhoneGap媒体对象具有以下未经详细记录的重要行为():
- “my_audio=新媒体('myRecording100.wav',onMediaCallSuccess, onMediaCallError)”:当“myRecording100.wav”不存在时,它 将创建文件;当它存在时,它会打开它
- “my_audio.stopRecord()”:调用“stopRecord()”时,.wav
媒体文件已移动到“/SD卡”文件夹。所以在检查之前的 已录制.wav存在,代码应在“/sdcard”文件夹下查找。如果 它确实存在,应该从
“/sdcard/myRecording100.wav”
<!DOCTYPE html>
<html>
<head>
<title></title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no;" />
<meta charset="utf-8">
<script type="text/javascript" charset="utf-8" src="cordova-2.2.0.js"></script>
<script type="text/javascript" src="jquery-1.7.2.js"></script>
<script type="text/javascript">
var deviceready = false;
var mediaVar = null;
var recordFileName = "recording.wav";
function onBodyLoad()
{
document.addEventListener("deviceready", onDeviceReady, false);
deviceready = true;
}
$(document).ready(function(){
//validation to check if device is ready is skipped
$("#recordBtn").click(function(){
record();
});
$("#playBtn").click(function(){
play();
});
$("#stopBtn").click(function(){
stop();
});
});
function record()
{
if (mediaVar != null) {
mediaVar.release();
}
createMedia(function(){
status = "recording";
mediaVar.startRecord();
},onStatusChange);
}
function createMedia(onMediaCreated, mediaStatusCallback){
if (mediaVar != null) {
onMediaCreated();
return;
}
if (typeof mediaStatusCallback == 'undefined')
mediaStatusCallback = null;
mediaVar = new Media(recordFileName, function(){
log("Media created successfully");
}, onError, mediaStatusCallback);
onMediaCreated();
}
function stop()
{
if (mediaVar == null)
return;
if (status == 'recording')
{
mediaVar.stopRecord();
log("Recording stopped");
}
else if (status == 'playing')
{
mediaVar.stop();
log("Play stopped");
}
else
{
log("Nothing stopped");
}
status = 'stopped';
}
function play()
{
createMedia(function(){
status = "playing";
mediaVar = new Media('/sdcard/'+recordFileName, function(){
log("Media created successfully");
}, onError);
mediaVar.play();
});
}
function onStatusChange()
{
}
function onSuccess()
{
//do nothing
}
function onError(err)
{
if (typeof err.message != 'undefined')
err = err.message;
alert("Error : " + err);
}
function log(message)
{
console.info(message);
}
</script>
</head>
<body onload="onBodyLoad()">
Recorder<br>
<input type="button" name="recordBtn" id="recordBtn" value="Record">
<input type="button" name="stopBtn" id="stopBtn" value="Stop">
<input type="button" name="playBtn" id="playBtn" value="Play">
</body>
</html>