android 按钮点击出现网络图片

build.gradle

 implementation 'com.github.bumptech.glide:glide:4.9.0'

AndroidManifest.xml

<uses-permission android:name="android.permission.INTERNET"></uses-permission>

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity"  android:orientation="vertical">
    <Button
        android:text="fitch"
        android:onClick="one"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />
   <ImageView
    android:id="@+id/image"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />
</LinearLayout>

MainActivity.java

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

    }
    public void one(View view) {
        ImageView imageView =findViewById(R.id.image);
        String url="http://pic1.nipic.com/2009-02-18/200921821325953_2.jpg";
        Glide.with(this)
                .load(url)
                .circleCrop()
                //边框为圆形
                .into(imageView);
    }
}