Android uses PhotoView to achieve double-click image enlargement and click exit effect

This article shares the specific code for PhotoView to double-click to enlarge and click to exit for your reference. The specific content is as follows

Implementation ideas

1. Copy PhotoView to libs, and then add a small bottle
2. Layout the xml file, add PhotoView control, and load a picture of src, and zoom in and out
Set click events to achieve click exit Activity

Guide jar package

compile files('libs/')

conductlayout

<RelativeLayout xmlns:andro
  android:
  android:layout_width="match_parent"
  android:layout_height="match_parent">


  <
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:
    android:src="@drawable/ic_emptya"/>
</RelativeLayout>

Implementation in MainActivity

public class MainActivity extends AppCompatActivity {

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    (savedInstanceState);
    setContentView(.activity_main);
    PhotoView pv = (PhotoView) findViewById();
    (new () {
      @Override
      public void onPhotoTap(View view, float v, float v1) {
        finish();
      }
    });
  }
}

Okay, this can achieve the effect of double-clicking the image to enlarge and clicking to exit. It is relatively simple, you can do it!