<RelativeLayout xmlns:android=“http://schemas.android.com/apk/res/android”
- xmlns:tools="http://schemas.android.com/tools"
复制代码 - android:layout_width="match_parent"
复制代码 - android:layout_height="match_parent"
复制代码 - android:paddingLeft="@dimen/activity_horizontal_margin"
复制代码 - android:paddingRight="@dimen/activity_horizontal_margin"
复制代码 - android:paddingTop="@dimen/activity_vertical_margin"
复制代码 - android:paddingBottom="@dimen/activity_vertical_margin"
复制代码 - tools:context=".MainActivity">
复制代码 - android:layout_width="fill_parent"
复制代码 - android:layout_height="wrap_content"></ImageView>
复制代码 - android:id="@+id/wedView"
复制代码 - android:layout_width="fill_parent"
复制代码 - android:layout_height="fill_parent"
复制代码 - android:layout_below="@id/image"></WebView>
复制代码 MainActivity:
/**
- 在Android上发送HTTP哀求的方式一般有两种,HttpURLConnection和HttpClient
*/
public class MainActivity extends ActionBarActivity {
- private ImageView imageView;
复制代码 - public static final int SHOW_WEDVIEW = 0;
复制代码 - private Handler handler = new Handler();
复制代码 - protected void onCreate(Bundle savedInstanceState) {
复制代码 - super.onCreate(savedInstanceState);
复制代码 - setContentView(R.layout.activity_main);
复制代码 - webView = (WebView) findViewById(R.id.wedView);
复制代码 - imageView = (ImageView) findViewById(R.id.image);
复制代码 - new ImageThread("http://gb.cri.cn/mmsource/images/2013/02/22/35/14607758026320856623.jpg",imageView,handler).start();
复制代码 - new HttpThread("http://www.baidu.com",webView,handler).start();
复制代码 }
ImageThread(加载图片的线程):
public class ImageThread extends Thread {
- private ImageView imageView;
复制代码 - public ImageThread(String url, ImageView imageView, Handler handler) {
复制代码 - this.imageView = imageView;
复制代码 - URL httpUrl = new URL(url);
复制代码 - //获取HttpURLConnection的实例,表示到URL所引用的远程对象的连接
复制代码 - HttpURLConnection connection = (HttpURLConnection) httpUrl.openConnection();
复制代码 - connection.setReadTimeout(5000);
复制代码 - //设置请求方法,GET表示希望从服务器那里获取数据,而POST则表示提交数据给服务器
复制代码 - connection.setRequestMethod("GET");
复制代码 - //设置该URLConnection的doOutput请求头字段的值
复制代码 - connection.setDoInput(true);
复制代码 - String fileName = String.valueOf(System.currentTimeMillis());
复制代码 - File downloadFile = null;
复制代码 - InputStream inputStream = connection.getInputStream();
复制代码 - //要把文件写到SD卡,所以用FileOutputStream
复制代码 - FileOutputStream fileOutputStream = null;
复制代码 - if (Environment.getExternalStorageState().equals(
复制代码 - Environment.MEDIA_MOUNTED)) {
复制代码 - File parent = Environment.getExternalStorageDirectory();
复制代码 - downloadFile = new File(parent,fileName);
复制代码 - fileOutputStream = new FileOutputStream(downloadFile);
复制代码 - byte[] bytes = new byte[2 * 1024];
复制代码 - if (fileOutputStream != null) {
复制代码 - while ((length = inputStream.read(bytes)) != -1) {
复制代码 - fileOutputStream.write(bytes,0,length);
复制代码 - final Bitmap bitmap = BitmapFactory.decodeFile(downloadFile.getAbsolutePath());
复制代码 - handler.post(new Runnable() {
复制代码 - imageView.setImageBitmap(bitmap);
复制代码 - }
- catch (MalformedURLException e) {
复制代码 - }
- catch (IOException e) {
复制代码 }
HttpThread(加载WebView的线程):
public class HttpThread extends Thread {
- public HttpThread(String url, WebView webView, Handler handler) {
复制代码 - URL httpUrl = new URL(url);
复制代码 - //获取HttpURLConnection的实例,表示到URL所引用的远程对象的连接
复制代码 - HttpURLConnection connection = (HttpURLConnection) httpUrl.openConnection();
复制代码 - connection.setReadTimeout(5000);
复制代码 - //设置请求方法,GET表示希望从服务器那里获取数据,而POST则表示提交数据给服务器
复制代码 - connection.setRequestMethod("GET");
复制代码 - final StringBuffer stringBuffer = new StringBuffer();
复制代码 - /* getInputStream():返回该URLConnection对应的输入流,用于获取URLConnection响应的内容
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