Android using HttpURLConnection get a network picture
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package com.example.android.helloactivity;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.widget.Button;
import android.widget.ImageView;
public class HelloActivity extends Activity {
/** Called when the activity is first created. */
String imageUrl = "http://avatar.csdn.net/9/B/9/1_yangmi0313.jpg";
Bitmap bmImg;
ImageView imView;
Button button1;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
imView = new ImageView(this);
imView.setImageBitmap(returnBitMap(imageUrl));
setContentView(imView);
}
public Bitmap returnBitMap(String url) {
URL myFileUrl = null;
Bitmap bitmap = null;
try {
myFileUrl = new URL(url);
} catch (MalformedURLException e) {
e.printStackTrace();
}
try {
HttpURLConnection conn = (HttpURLConnection) myFileUrl
.openConnection();
conn.setDoInput(true);
conn.connect();
InputStream is = conn.getInputStream();
bitmap = BitmapFactory.decodeStream(is);
is.close();
} catch (IOException e) {
e.printStackTrace();
}
return bitmap;
}
}
Remember add <uses-permission android:name="android.permission.INTERNET" /> into file AndroidManifest.xml.
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