1
2
3
| InputStream in = (InputStream) new URL("http://xxx.jpg").openStream();
final Drawable d = Drawable.createFromStream(in, "src");
in.close();
|
以下示例给linearlayout设置网络图片为背景
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
| linear=(LinearLayout)findViewById(R.id.linear);
new Thread(new Runnable() {
@Override
public void run() {
try {
InputStream in = (InputStream) new URL("http://xxx.jpg").openStream();
final Drawable d = Drawable.createFromStream(in, "src");
in.close();
runOnUiThread(new Runnable() {
@Override
public void run() {
linear.setBackground(d);
}
});
} catch (IOException e) {
e.printStackTrace();
}
}
}).start();
|
注意，http请求需要在子线程中完成，UI更新需要在主线程中完成
android9.0以上版本中允许http请求需要在AndroidManifest.xml中的application标签中添加
android:usesCleartextTraffic=”true”
