Android从图库中获取图像到ImageView中

xml
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">
            android:id="@+id/button_choose_image"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="选择图像"/>
            android:id="@+id/image_view"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:adjustViewBounds="true"/>

java
public class MainActivity extends AppCompatActivity {
    private static final int REQUEST_IMAGE_PICK = 1;
    private Button chooseImageButton;
    private ImageView imageView;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        chooseImageButton = findViewById(R.id.button_choose_image);
        imageView = findViewById(R.id.image_view);
        chooseImageButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(Intent.ACTION_PICK, MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
                startActivityForResult(intent, REQUEST_IMAGE_PICK);
            }
        });
    }
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode == REQUEST_IMAGE_PICK && resultCode == RESULT_OK && data != null) {
            Uri imageUri = data.getData();
            imageView.setImageURI(imageUri);
        }
    }
}