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03 2013 档案

conversion between xml and object using xstream

摘要：offical site said, but it does not make it clearly. especial parse xml with attributes. here is my test according to docs from offical websites.public class XstreamTest { public static void main(String[] args) throws Exception { //convertXml2(); convertObject2(); } p... 阅读全文

posted @ 2013-03-28 23:22 slider 阅读(405) 评论(0) 推荐(0)

android-image: load large bitmap Efficiently

摘要：An image with higher resolution does not provide any visible benefit, but still takes up precious memory and incurs additional performance overhead due to additional on the fly scaling. Given that you are working with limited memory, ideally you only want to load a lower resolution version in mem... 阅读全文

posted @ 2013-03-28 10:32 slider 阅读(1475) 评论(0) 推荐(0)

display log information in terminal

摘要：offical website note:# import the logging libraryimport logging# Get an instance of a loggerlogger = logging.getLogger(__name__)def my_view(request, arg1, arg): ... if bad_mojo: # Log an error message logger.error('Something went wrong!') but it not display log info in termina... 阅读全文

posted @ 2013-03-27 20:35 slider 阅读(199) 评论(0) 推荐(0)

search a file from directory and get storage directorys from android device(i use tablet here)

摘要：public class Explorer { String TAG = "Explorer"; private final String DISK_DIR = "/mnt"; public static final int DIR_SDCARD = 0; public static final int DIR_SDCARD_EX = 1; // external sdcard public static final int DIR_USB = 2; // usb external storage ... 阅读全文

posted @ 2013-03-26 17:17 slider 阅读(335) 评论(0) 推荐(0)

why request.path return None?

摘要：in django, sometimes you want to pass value of current page path , you will do this follows: a. <form action="./?next={{request.path}}" method="post">...</form> b.<form action="" method="post"> <input type="hidden" name="nex 阅读全文

posted @ 2013-03-25 16:26 slider 阅读(280) 评论(0) 推荐(0)

statelistdrawable与colorstatelist

摘要：private StateListDrawable getStateSelector(ImageEntity image){ StateListDrawable stalistDrawable = new StateListDrawable(); //int normal = android.R.attr.state_empty; //int pressed = android.R.attr.state_pressed; //int focused = android.R.attr.state_focused; //int selected = android.R.attr.stat... 阅读全文

posted @ 2013-03-25 16:04 slider 阅读(560) 评论(0) 推荐(0)

android中对象Parcelable化

摘要：对象序列化找个东西我不知道怎么用。个人认为许多需要传递大对象的情况都可以避免掉。比如把多个acitivyt的内容写到一个activity中（找个好处还可以同时可以finish掉许多activity哦）。但是作为一个知识，还是写写了，也因为我n久没有更新博客了。 介绍的话就不准备写了，还是代码简单： public class ImageEntity implements Parcelable{ String name; String path; String path1; // first path, default path . replace with select... 阅读全文

posted @ 2013-03-25 16:00 slider 阅读(340) 评论(0) 推荐(0)

阻止点击numberpicker（edittext）时候弹出输入法

摘要：1.首先说说默认不显示输入法，这里通常又三种：在 AndroidMainfest.xml中选择哪个activity，设置windowSoftInputMode属性为 adjustUnspecified|stateHidden < activity android:name=".Main" android:label="@string/app_name" android:windowSoftInputMode="adjustUnspecified|stateHidden" android:configChanges="o 阅读全文

posted @ 2013-03-21 16:10 slider 阅读(1617) 评论(1) 推荐(0)

ImageView.ScaleType简单介绍

摘要：ImageView.ScaleType共八种： 1·ImageView.ScaleType.center:图片位于视图中间，但不执行缩放。 2·ImageView.ScaleType.CENTER_CROP 按统一比例缩放图片（保持图片的尺寸比例）便于图片的两维（宽度和高度）等于或者大于相应的视图的维度 3·ImageView.ScaleType.CENTER_INSIDE按统一比例缩放图片（保持图片的尺寸比例）便于图片的两维（宽度和高度）等于或者小于相应的视图的维度 4·ImageView.ScaleType.FIT_CENTER缩放图片使用cente 阅读全文

posted @ 2013-03-07 13:04 slider 阅读(384) 评论(0) 推荐(0)