Php 图像webview缓存显示未连接internet的图像
我有一个PHPWebapge,它显示带有自动旋转木马的图像,还有一个android应用程序,它显示带有该网页的WebView 我想缓存在旋转木马中运行的图像,但只有一两个第一个图像被缓存,其他图像是“未找到图像” 如何缓存图像,以便在没有活动互联网连接的情况下在android设备上看到它们 显示图像:Php 图像webview缓存显示未连接internet的图像,php,android,caching,webview,carousel,Php,Android,Caching,Webview,Carousel,我有一个PHPWebapge,它显示带有自动旋转木马的图像,还有一个android应用程序,它显示带有该网页的WebView 我想缓存在旋转木马中运行的图像,但只有一两个第一个图像被缓存,其他图像是“未找到图像” 如何缓存图像,以便在没有活动互联网连接的情况下在android设备上看到它们 显示图像: var state = 0; // 0: load 1: change content 2: finished var passedsec = 0; var dispId = 0;
var state = 0; // 0: load 1: change content 2: finished
var passedsec = 0;
var dispId = 0;
var dispType = "image";
var prevType = "image";
var loadType = "image";
var duration = 5;
var i = 0;
var frame = {
"image": ["#img1", "#img2"]
};
$(window).on('load', function() {
$(frame[dispType][dispId]).css("display", "block");
});
$(document).ready(function(){
function loadNews(data) {
newsList = data;
}
var newsList = Array();
var newsOrder = 0;
var newsElm = ["#news0", "#news1"];
var newsState = 0;
var newsWidth = $(".news").width();
$.getJSON("libs/json/news.json", null, loadNews);
$(newsElm[newsState]).css({right:(newsWidth), display:'block',opacity:'0'}).velocity({right: '10', opacity:'1'}, "1000", "swing");
setInterval(function(){
$(newsElm[newsState]).velocity({right:(-(newsWidth)),opacity:'0'}, 1000, "swing");
newsState = 1 - newsState;
$(newsElm[newsState]).text(newsList[newsOrder][0]);
newsOrder++;
if(newsOrder == newsList.length){
$.getJSON("libs/json/news.json", null, loadNews);
newsOrder = 0;
}
$(newsElm[newsState]).css({right:(newsWidth),display:'block',opacity:'0'}).velocity({right: '10', opacity:'1'}, "1000", "swing");
}, 10000);
// //////////////////////////////////////////////////////////
var id = getUrlParameter('bid');
// //////////////////////////////////////////////////////////
$.get("libs/get/masterGallery.php", {bid: id}, function( data ) {
if(data != 0) {
$.getJSON("libs/json/" + data + "-master.json", null, loadContent);
} else {
$.getJSON("libs/json/" + id + ".json", null, loadContent);
}
});
var myInt = setInterval(function(){
passedsec++;
if(state == 0) {
loadType = contentList[i]["type"];
if(typeof(loadType) == "undefined") {
clearInterval(myInt);
}
$(frame[loadType][1 - dispId]).attr('src', contentList[i]["url"]);
state = 1;
if(i + 1 == contentList.length){
$.get("libs/get/masterGallery.php", {bid: id}, function( data ) {
if(data != 0) {
$.getJSON("libs/json/" + data + "-master.json", null, loadContent);
} else {
$.getJSON("libs/json/" + id + ".json", null, loadContent);
}
});
}
} else if(state == 1) {
if(passedsec > duration - 1) {
state = 2;
passedsec = 0;
dispId = 1 - dispId;
dispType = loadType;
$(frame[dispType][dispId]).css("display", "block");
$(frame[prevType][1 - dispId]).css("display", "none");
prevType = dispType;
duration = contentList[i]["duration"];
if(i + 1 == contentList.length) i = 0; else i++;
}
} else if(state == 2) {
if(passedsec >= 1) {
state = 0;
passedsec = 0;
}
}
}, 1000);
});
在android上缓存网站:
if (!isNetworkAvailable()) { // loading offline
webb.getSettings().setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK);
System.out.println("WEBSITE OFFLINE");
} else {
webb.getSettings().setCacheMode(WebSettings.LOAD_DEFAULT); // load online by default
System.out.println("WEBSITE ONLINE");
}
webb.loadUrl("http://******/manage/showadv.php?bid=" + ID);
new ImAlive().execute(ID, "site");
System.out.println("WEBSITE RELOADED.");
非常感谢。没有代码很难说;您可能需要下载图像并将其存储在文件中,并在viewpager加载该片段时加载它们。您还可以考虑像毕加索这样的库,用于下载和缓存我编辑过的图像并插入代码。