Android 網絡圖片獲取與網絡內容獲取

//代碼很簡單，不做什麼解釋

//圖片的獲取。

//main.xml

1. <?xml version="1.0" encoding="utf-8"?>
2. <LinearLayout xmlns:Android="http://schemas.android.com/apk/res/android"
3. android:layout_width="fill_parent"
4. android:layout_height="fill_parent"
5. android:orientation="vertical" >
7. <TextView
8. android:layout_width="fill_parent"
9. android:layout_height="wrap_content"
10. android:text="@string/request" />
11. <EditText
12. android:id="@+id/imageaddress"
13. android:layout_width="fill_parent"
14. android:layout_height="wrap_content"
15. />
16. <Button
17. android:id="@+id/getimagebutton"
18. android:layout_width="wrap_content"
19. android:layout_height="wrap_content"
20. android:text="@string/getimage"
21. />
22. <ImageView
23. android:id="@+id/imageview"
24. android:layout_width="wrap_content"
25. android:layout_height="wrap_content"
26. />
28. </LinearLayout>

1. <?xml version="1.0" encoding="utf-8"?>
2. <resources>
4. <string name="request">重網絡獲取圖片</string>
5. <string name="app_name">網絡獲取圖片數據</string>
6. <string name="getimage">得到圖片</string>
7. <string name="requestout">請求超時</string>
9. </resources>

1. package sn.len.service;
3. import java.io.IOException;
4. import java.io.InputStream;
5. import java.net.HttpURLConnection;
6. import java.net.URL;
8. import sn.len.util.ImageByte;
10. public class GetImageService
11. {
12. public static byte[] imageByte(String path) throws IOException
13. {
14. URL url=new URL(path);
15. HttpURLConnection con=(HttpURLConnection)url.openConnection();
16. con.setRequestMethod("GET");
17. con.setConnectTimeout(5*1000);
18. InputStream inStream=con.getInputStream();
19. byte imageData[]=ImageByte.getBtye(inStream);
20. return imageData;
21. }
22. }

1. package sn.len.util;
3. import java.io.ByteArrayOutputStream;
4. import java.io.IOException;
5. import java.io.InputStream;
7. public class ImageByte
8. {
9. public static byte[] getBtye(InputStream inStream) throws IOException
10. {
11. byte b[]=new byte[1024];
12. ByteArrayOutputStream byteoutstream=new ByteArrayOutputStream();
13. int len=0;
14. while((len=inStream.read(b))!=-1)
15. {
16. byteoutstream.write(b,0,len);
17. }
18. return byteoutstream.toByteArray();
19. }
20. }