5+APP各独立模块中已经集成了功能所需权限的动态申请机制
DCloud在native.js中为Android提供了动态申请权限的功能。
开发者通过调用plus.android.requestPermissions申请权限。
参数permissions为所需权限数组；resultCallback为申请结果回调，将会返回已获取的权限、拒绝本次申请的权限、永久拒绝申请的权限3种结果的权限列表，开发者可以读取各权限申请结果并做相应处理；
errorCallback为权限参数格式错误时调用，返回错误信息
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />
<script src="js/jquery-3.6.0.min.js"></script>
<title></title>
<script>
var mediaRecorder;
document.addEventListener('plusready', function(){
//console.log("所有plus api都应该在此事件发生后调用，否则会出现plus is undefined。")
//录音权限询问
plus.android.requestPermissions(["android.permission.RECORD_AUDIO"],function(resultObj){
//录音
navigator.mediaDevices.getUserMedia({audio: true,video: false}).then(stream => {
mediaRecorder = new MediaRecorder(stream);
var audio = document.getElementById('audio');
//音量
audio.volume=1.0;
var recordedChunks = [];
//录音时间片段
mediaRecorder.start(3000);
//发生有效声音时回调
mediaRecorder.addEventListener("dataavailable",function(e){
if(e.data.size>0){
recordedChunks.push(e.data);
if(mediaRecorder.state!="inactive"){
mediaRecorder.stop();
}
}
})
//暂停时回调
mediaRecorder.addEventListener("stop",function(e){
if(recordedChunks.length>0){
audio.src = URL.createObjectURL(new Blob(recordedChunks));
audio.play();
recordedChunks = [];
mediaRecorder.start(3000);
}
})
},(error) =>{
if(error.toString().indexOf("Could not start video source")>=0){
alert("请打开手机录音权限");
console.log(error.toString());
}
});
});
});
//点击切换播放音频
function click2(va){
$("#audio")[0].pause();
var url="mp3/"+va+".mp3";
$("#audio").attr("src",url);
$("#audio")[0].play();
if(mediaRecorder){
mediaRecorder.start(3000);
}
}
</script>
</head>
<body style="width: auto;height: 100%;background-color: antiquewhite;">
<audio id="audio" style="background-color: white;opacity: 0;" controls></audio>
<div style="background-color: antiquewhite;width: 100%;padding-left: 3%;">
<div style="height: 300px;background: url(img/1.gif);background-repeat: no-repeat;
">
</div>
</div>
<div style="padding-left: 8%;">
<button onclick="click2('1')" id="b1" style="width: 100px;height: 60px;float: left;">1</button>
<button onclick="click2('2')" id="b2" style="width: 100px;height: 60px;float: left;">2</button>
<button onclick="click2('3')" id="b3" style="width: 100px;height: 60px;float: left;">3</button>
<button onclick="click2('4')" id="b4" style="width: 100px;height: 60px;float: left;">4</button>
<button onclick="click2('5')" id="b5" style="width: 100px;height: 60px;float: left;">5</button>
<button onclick="click2('6')" id="b6" style="width: 100px;height: 60px;float: left;">6</button>
<button onclick="click2('7')" id="b7" style="width: 100px;height: 60px;float: left;">7</button>
<button onclick="click2('8')" id="b8" style="width: 100px;height: 60px;float: left;">8</button>
<button onclick="click2('9')" id="b9" style="width: 100px;height: 60px;float: left;">9</button>
<button onclick="click2('10')" id="b10" style="width: 100px;height: 60px;float: left;">10</button>
<button onclick="click2('11')" id="b11" style="width: 100px;height: 60px;float: left;">11</button>
<button onclick="click2('12')" id="b12" style="width: 100px;height: 60px;float: left;">12</button>
<button onclick="click2('13')" id="b13" style="width: 100px;height: 60px;float: left;">13</button>
<button onclick="click2('14')" id="b14" style="width: 100px;height: 60px;float: left;">14</button>
<button onclick="click2('15')" id="b15" style="width: 100px;height: 60px;float: left;">15</button>
<button onclick="click2('16')" id="b16" style="width: 100px;height: 60px;float: left;">16</button>
<button onclick="click2('17')" id="b17" style="width: 100px;height: 60px;float: left;">17</button>
<button onclick="click2('18')" id="b18" style="width: 100px;height: 60px;float: left;">18</button>
<button onclick="click2('19')" id="b19" style="width: 100px;height: 60px;float: left;">19</button>
<button onclick="click2('20')" id="b20" style="width: 100px;height: 60px;float: left;">20</button>
<button onclick="click2('21')" id="b21" style="width: 100px;height: 60px;float: left;">21</button>
</div>
<script>
</script>
</body>
</html>
