This Android application load an image from a server using HttpURLConnection and show it in image view when you click load image button.
(I have used image located here http://www.codeincloud.tk/play.png)
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Here is the layout file.
<?xml version="1.0" encoding="utf-8"?> <AbsoluteLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <Button android:id="@+id/btn_imgload" android:layout_width="208dp" android:layout_height="wrap_content" android:layout_x="57dp" android:layout_y="322dp" android:text="Load Image" /> <ImageView android:id="@+id/imageview" android:layout_width="60dp" android:layout_height="60dp" android:layout_x="131dp" android:layout_y="179dp" /> </AbsoluteLayout>
This is the java code
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.view.View; import android.widget.Button; import android.widget.ImageView; public class LoadImageActivity extends Activity { ImageView image_view; Button btnLoadImg ; final static String imageLocation="http://www.codeincloud.tk/play.png"; //Use any image location. /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); image_view = (ImageView)findViewById(R.id.imageview); btnLoadImg = (Button)findViewById(R.id.btn_imgload); btnLoadImg.setOnClickListener(loadImage); } View.OnClickListener loadImage = new View.OnClickListener(){ public void onClick(View view) { loadImage(imageLocation); } }; Bitmap bitmap; void loadImage(String image_location){ URL imageURL = null; try { imageURL = new URL(image_location); } catch (MalformedURLException e) { e.printStackTrace(); } try { HttpURLConnection connection= (HttpURLConnection)imageURL.openConnection(); connection.setDoInput(true); connection.connect(); InputStream inputStream = connection.getInputStream(); bitmap = BitmapFactory.decodeStream(inputStream);//Convert to bitmap image_view.setImageBitmap(bitmap); } catch (IOException e) { e.printStackTrace(); } } }
Add internet permission to Manifest file
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="tutorial.imageload" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="8" /> <uses-permission android:name="android.permission.INTERNET"/> <application android:icon="@drawable/ic_launcher" android:label="@string/app_name" > <activity android:name=".LoadImageActivity" android:label="@string/app_name" > <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER"/> </intent-filter> </activity> </application> </manifest>