/*
软件作者：https://xuhss.com/oxox/pro
*/
/**
* @author 家
* @qq 203118908
* @功能 悬浮窗显示文件下载进度
*/
var app下载地址 =
'https://jnwork.oss-cn-beijing.aliyuncs.com/app/%E5%BE%AE%E5%8D%9A_9.7.2.1.apk';
let url = app下载地址; // update_list.url
var filePath = files.join(files.getSdcardPath(), 'myApp.apk');
log('url=' + url);
log('filePath=' + filePath);
download(url, filePath);
function download(url, filePath) {
importClass('java.io.FileOutputStream');
importClass('java.io.IOException');
importClass('java.io.InputStream');
importClass('java.net.MalformedURLException');
importClass('java.net.URL');
importClass('java.net.URLConnection');
importClass('java.util.ArrayList');
var url = new URL(url);
var conn = url.openConnection(); //URLConnection
var inStream = conn.getInputStream(); //InputStream
var fs = new FileOutputStream(filePath); //FileOutputStream
var connLength = conn.getContentLength(); //int
var buffer = util.java.array('byte', 1024); //byte[]
var byteSum = 0; //总共读取的文件大小
var byteRead; //每次读取的byte数
log('要下载的文件大小=');
log(connLength);
var threadId = threads.start(function() {
var w = floaty.rawWindow(
<vertical gravity="center" w="{{device.width}}px" h="{{device.height}}px">
<horizontal layout_gravity="center" gravity="center" bg="#ffcc00">
<text textSize="39sp">下载进度</text>
<text textSize="39sp" id="progressNum">
0
</text>
</horizontal>
</vertical>
);
while (1) {
var 当前写入的文件大小 = byteSum;
var progress = (当前写入的文件大小 / connLength) * 100;
if (progress > 0.1) {
var progress = parseInt(progress).toString() + '%';
ui.run(function() {
w.progressNum.setText(progress);
});
if (当前写入的文件大小 >= connLength) {
break;
}
}
sleep(1000);
}
});
while ((byteRead = inStream.read(buffer)) != -1) {
byteSum += byteRead;
//当前时间
currentTime = java.lang.System.currentTimeMillis();
fs.write(buffer, 0, byteRead); //读取
}
threadId && threadId.isAlive() && threadId.interrupt();
toastLog('下载完成');
}
