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android 文件读写 例子源码下载
android 文件读写 例子源码下载
- 2015-03-07下载
- 积分：1
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Android 圆形倒计时进度条
Android 圆形倒计时进度条，这种进度条在安卓机中很常见。但是具体是怎么实现的呢？通过这个简单的例子，你或许就会明白了。这个圆形的Loading进度条例子，面向Android初级开发者，进度条效果如图所示。
- 2022-02-11 16:37:24下载
- 积分：1
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androidtest
ZXING 测试程序,android 环境下的zxing测试环境(zxing test)
- 2020-09-17 15:57:54下载
- 积分：1
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android 异步 执行 任务 例子 附讲解
Rules::The AsyncTask instance must be created in UI thread. .execute must be invoked on the UI thread.Never call objMyTask.onPreExecute(), objMyTask.doInBackground(), objMyTask.onProgressUpdate(), objMyTask.onPostExecute manually.The AsyncTask can be executed only once (an exception will be thrown if a second execution is attempted.)AsyncTask have Four Main Method... onPreExecute() doInBackground() onProgressUpdate() onPostExecute() onPreExecute-This method is called first when you start AsyncTask using objAsync.execute().And mostly this method is use for initializing dialog(ProgressDialog,CustomDialog) and showing. doInBackground-The main purpose of AsyncTask is accomplished by this method.Any non-UI thread process is running in this method.Such as Rss Feed Reader,Image and video Uploading and Downloading.You cant handle your View in this method.Because this method is non-UI thread.While any background process is running if you want to handle UI therea are onProgressUpdate method. after completion of process this method send result to OnPostExecute. onProgressUpdate-While backgrounding task is running ,you can handle your UI using this method .Such as status of downloading or uploading task.and this method is called from doInBackground.Using publishProgress() you can call onProgressUpdate method to update UI while process is running. onPostExecute -This method is called after the background computation finishes.The result of background process in passed in this method as parameters.And now you can dismiss progress dialog ,to indicate that background task is completed. You can cancel AsyncTask using objAsyncTask.cancel().then you just check in doInBackground, if (isCancelled()) { break; } else { //continue... } See this Image For more Clear.
- 2013-07-05下载
- 积分：1
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android 仿微信GridView动态显示本地图片
android 仿微信GridView动态显示本地图片，本实例模拟了一个向朋友圈发内容的功能，在文本框填写完文字后，可单击“+”号动态调用本地图库相册，或者即时拍照并预览上传到朋友圈，微信朋友圈的发图片选择图片功能，网上有很多类似功能的源代码可参考，本代码只是其中之一，在Android中，有很多调用图片并显示的功能。
- 2022-04-09 15:43:04下载
- 积分：1
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STM32F429固件库模板
【实例简介】stm32f429固件库模板
- 2021-07-16 00:32:06下载
- 积分：1
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Android客户端解析
本例适合初学者，是android客户端解析web端传过来的数据，这只是android客户端的。下一次上传javaweb端的源码。
- 2022-06-27 12:34:02下载
- 积分：1
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答题app源码（android）
答题app源码（android）
- 2021-05-06下载
- 积分：1
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微信抢红包 代码
首先，先回想一下微信红包的领取流程。
1.通知栏出现微信红包的消息
2.点击通知栏，进入领取红包界面
3.点击领取红包，领取成功后，进入拆红包界面
4.拆红包，显示获得金额
5.等待下一个红包
- 2022-08-04 10:20:21下载
- 积分：1
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android ViewPager 左右双向滑动 实例源码
android ViewPager 左右双向滑动 实例源码
- 2014-08-08下载
- 积分：1
