Android displays network picture instances

This article illustrates Android's method of displaying network pictures and sharing it for your reference. The specific methods are as follows:

In general, displaying a web image in Android is very simple. Here is a very simple example:

Step 1:

Create your Activity, in this case ViewWebImageActivity;
The code in ViewWebImageActivity is as follows:

String imageUrl = "https://www.ofstack.com/images/logo.gif"; // This is the web image you need to display --- I found it on the Internet 

Bitmap bmImg;

ImageView imView;

Button button1;

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

imView = (ImageView) findViewById(R.id.imview);

imView.setImageBitmap(returnBitMap(imageUrl));

}

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;

}

Among them, returnBitMap(String url) method is the concrete realization of network image conversion into bitmap.

Step 2:

Modify your ES24en. xml file as follows:

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:orientation="vertical"

android:layout_width="fill_parent"

android:layout_height="fill_parent" >

<ImageView

android:id="@+id/imview"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_gravity="center"/>

< /LinearLayout>

Step 3:

Add to the node of your ES32en. xml file because Android has a lot of permissions, otherwise images will not be displayed on your emulator.

Hopefully, this article has helped you with your Android programming.