道奇兔

摘要： 1.在res/values下创建attrs.xml MyRadioButton为组件名字，随意起，attr标签定义组件的属性，name对应的是属性名，format是属性的类型，具体可参见《[Android]attrs.xml文件中属性类型format值的格式》。2.在自定义的组件中使用attrs.xml文件的定义public class MyRadioButton extends RadioButton { private String url; public MyRadioButton(Context context, AttributeSet attrs... 阅读全文

摘要： import java.io.ByteArrayInputStream;import java.io.ByteArrayOutputStream;import java.text.SimpleDateFormat;import java.util.Date;import android.app.Activity;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.os.Bundle;import android.os.Environment;import android.util 阅读全文

摘要： /** * @param url * @return * @throws Exception */ private String getContent(String url) throws Exception{ StringBuilder sb = new StringBuilder(); HttpClient client = new DefaultHttpClient(); ////获取一个默认的HttpClient的对象实现 HttpParams httpParams = client.getParams(); ... 阅读全文

摘要： Android中AndroidManifest.xml警告Should explicitly set android:allowBackup to true or false (it's true by default, and that can have some security implications for the application's data)解决方案：android:allowBackup="true"android:allowBackup="false"http://developer.android.com/re 阅读全文

摘要： Android图片裁剪开源代码,实现图片翻转,裁剪,可以自己定义调节裁剪比例，已经自定义裁剪框等.The Cropper is an image cropping tool. It provides a way to set an image in XML and programmatically, and displays a resizable crop window on top of the image. Calling the method getCroppedImage() will then return the Bitmap marked by the crop window. 阅读全文

摘要： 自定义实现区间范围选择。The RangeBar is similar to an enhanced SeekBar widget, though it doesn’t make use of the SeekBar. It provides for the selection of a range of values rather than a single value. The selectable range values are discrete values designated by tick marks; the thumb (handle) will snap to the n 阅读全文

摘要： 一丶最近项目开发在用Android Studio，不过无奈自动更新检查时总是提示”Connection failed. Please check your network connection and try again”。怀疑可能是因为“不可抗力”的原因，所以查了很多资料，终于找到了解决方法。在Android Studio安装目录/bin/studio.exe.vmoptions文件中追加以下几行-Djava.net.preferIPv4Stack=true-Didea.updates.url=http://dl.google.com/android/studio/patches/updat 阅读全文