[英]back button is working on emulator but it is not working in device in android
I'm new to android development. 我是android开发的新手。 I have index page and I'm displaying every links in the same page using div concept.
我有索引页面,并使用div概念在同一页面中显示每个链接。
Now I want to use the back button for my application. 现在,我想为我的应用程序使用后退按钮。 I have developed code to handle the div and it is working in the AVD(Andriod Virtual Device 5556) but if I upload the
*.apk
into my device it is not working. 我已经开发了用于处理div的代码,并且该代码可以在AVD(Andriod虚拟设备5556)中运行,但是如果我将
*.apk
上传到设备中,则该代码无法正常工作。
I'm waiting for your reply. 我在等待你的答复。 Please help me.
请帮我。
This is my sample code: 这是我的示例代码:
HTML Sample code: HTML示例代码:
<div id="photo_playlist">
<div id="photo_playlist_home">
<div class="HomePhotoDetailsBar">
<div class="innerplay" id="innerrow10833">
<a style="text-decoration:none;" onClick="player('1');">
<div class="thm_image">
asdasdasdadadad
</div>
<div class="video_details_n">
<div class="video_details_premium">Premium</div>
<div class="photo_details_head">Zoe Duchesne</div>
<div class="video_details_premium">5 photos</div>
</div>
<div class="video_arrow">dsfsfsfss</div>
</a>
</div>
</div>
</div>
</div>
<div id="detail">
<div id="playlist"></div>
</div>
<div id="player">
<div id="photocontainer"></div>
</div>
JS Sample: JS样本:
function photos() {
resetPhotoPlaylist();
$('#photo_playlist').addClass('current');
$('#photo_playlist').css('display','block');
$('#photo_playlist_home').addClass('current');
$('#photo_playlist_home').css('display','block');
$('#player').css('display','none');
$('#playlist').css('display','none');
$('#detail').css('display','none');
$('#photocontainer').css('display','none');
}
function resetPhotoPlaylist() {
$('#second_playlist').removeClass('current');
$('#second_playlist').css('display','none');
$('#playlist').removeClass('current');
$('#playlist').css('display','none');
$('#photocontainer').removeClass('current');
$('#photocontainer').css('display','none');
$('#photo_playlist_home').removeClass('current');
$('#photo_playlist_home').css('display','none');
}
function back() {
history_.pop();
var previous = history_.pop();
if(history_.length==0) {
history_ = ["home"];
}
switch(previous) {
case "home" :home();break;
case "news" :news();break;
case "video" :video();break;
case "player" :player(1);break;
case "gallery" :gallery(1);break;
case "photos" :photos();break;
case "reader" :reader(1);break;
case "searchresult" :searchresult();break;
case "search" :search();break;
}
}
function addToHistory(page) {
history_.push(page);
}
Java Code: Java代码:
public void onBackPressed()
{
appView.loadUrl("javascript:back();");
}
Thanks, Rajeevgandhi. 谢谢,拉杰夫甘地。 S
小号
尝试
appView.loadUrl("javascript:(function() { back();})()");
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