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RSS订阅转载 eclipse的 error generating final archive错误
学习android差不多一年了，今天碰到eclipse报 error generating final archive错误。上网查，原来是签名一年到期的问题。（原来我学习android已经满一年多了啊~）以下网上资料原因分析： android要求所有的程序必须有签名，否则就不会安装该程序。在我们开发过程中，adt使用debug keystore，在 preference
2012-06-15 16:26:06
524
转载 自定义Adapter实现多视图Item的ListView
1、原理分析 Adapter对于ListView是非常重要的，它处于listView和数据源的中间，负责为ListView创建具体的视图。之前提到过ListView采用了View复用技术，即使需要显示大量的数据列表时它也能高效的工作，它总是试图复用已经存在的View。 下面就对View复用技术，做简单的讲解：
2012-06-01 11:54:39
764
转载 在XML中定义Button、ImageButton、TextView的背景色设以及设置透明度
在代码中设置Button、ImageButton、TextView的透明度方法一般都是XX.getBackground().setAlpha(100);//0~255透明度值如果想在XML中就定义透明度,方法如下：半透明 透明颜色和不透明度 (alpha) 值以十六进制表示法表示。任何一种颜色的值范围都是 0 到 255（00 到 ff）。对于 alpha，00 表示完全
2012-04-13 15:30:45
1865
转载 ListView当滚屏滚到最下边时事件监听
public class AutoLoadPageListener implements OnScrollListener {public interface AutoLoadPageCallBack{void execute();}private AutoLoadPageCallBack mCallback;public AutoLoadPageListener
2011-09-20 16:40:10
468
java NIO 简介（中文）
java NIO 简介（中文）内容清晰；
第一章 简介 .......................................................................................................................... 10
1.1 I/O 与 CPU 时间的比较 .............................................................................................................10
1.2 CPU 已不再是束缚 ....................................................................................................................11
1.3 进入正题 ....................................................................................................................................12
1.4 I/O 概念 ......................................................................................................................................13
1.5 总结 ............................................................................................................................................20
第二章 缓冲区 ...................................................................................................................... 22
2.1 缓冲区基础 ................................................................................................................................23
2.2 创建缓冲区 ................................................................................................................................36
2.3 复制缓冲区 ................................................................................................................................38
2.4 字节缓冲区 ................................................................................................................................40
2.5 总结 ............................................................................................................................................51
第三章 通道 .......................................................................................................................... 53
3.1 通道基础 ....................................................................................................................................55
3.2 Scatter / Gather ............................................................................................................................62
3.3 文件通道 ....................................................................................................................................68
3.4 内存映射文件 ............................................................................................................................83
3.5 套接字通道 ................................................................................................................................96
3.6 管道 ..........................................................................................................................................117
3.7 通道实用工具类 ......................................................................................................................122
3.8 总结 ..........................................................................................................................................123
第四章 选择器 .................................................................................................................... 125
4.1 选择器基础 ..............................................................................................................................126
4.2 使用选择键 ..............................................................................................................................132
4.3 使用选择器 ..............................................................................................................................135
4.4 异步可关闭性 ..........................................................................................................................144
4.5 选择缩放 ..................................................................................................................................144
4.6 总结 ..........................................................................................................................................148
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第五章 正则表达式 ............................................................................................................ 150
5.1 正则表达式基础 ......................................................................................................................151
5.2 Java 正则表达式 API ...............................................................................................................153
5.3 字符串类正则表达式方法 ......................................................................................................153
5.4 Java 正则表达式语法 ...............................................................................................................174
5.5 面向对象的文件检索 ..............................................................................................................180
5.6 总结 ..........................................................................................................................................186
第六章 字符集 .................................................................................................................... 187
6.1 字符集基础 ..............................................................................................................................187
6.2 字符集 ......................................................................................................................................188
6.3 字符集服务提供接口 ..............................................................................................................207
6.4 总结 ..........................................................................................................................................217
2011-09-06
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