PanoramaImageView
An imageView can auto scroll with device rotating.
ScreenShots
Include PanoramaImageView to Your Project
With gradle:
dependencies {
compile 'com.gjiazhe:PanoramaImageView:1.0'
}
Use PanoramaImageView in Layout File Just Like ImageView
<com.gjiazhe.panoramaimageview.PanoramaImageView
android:id="@+id/panorama_image_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:src="@drawable/img"
app:piv_enablePanoramaMode="true"
app:piv_show_scrollbar="true"
app:piv_invertScrollDirection="false" />
Description of Attributes
| Attributes | Format | Default | Description |
|---|---|---|---|
| piv_enablePanoramaMode | boolean | true | Enable panorama effect or not. |
| piv_show_scrollbar | boolean | true | Show scrollbar or not. |
| piv_invertScrollDirection | boolean | false | Invert the scroll direction or not. |
All the attributes can also be set in java code:
panoramaImageView.setEnablePanoramaMode(true);
panoramaImageView.setEnableScrollbar(true);
panoramaImageView.setInvertScrollDirection(false);
Register the GyroscopeObserver
In Activity or Fragment using PanoramaImageView, you should register the GyroscopeObserver in onResume() and remember to unregister it in onPause().
public class MyActivity extends AppCompatActivity {
private GyroscopeObserver gyroscopeObserver;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
// Initialize GyroscopeObserver.
gyroscopeObserver = new GyroscopeObserver();
// Set the maximum radian the device should rotate to show image's bounds.
// It should be set between 0 and π/2.
// The default value is π/9.
gyroscopeObserver.setMaxRotateRadian(Math.PI/9);
PanoramaImageView panoramaImageView = (PanoramaImageView) findViewById(R.id.panorama_image_view);
// Set GyroscopeObserver for PanoramaImageView.
panoramaImageView.setGyroscopeObserver(gyroscopeObserver);
}
@Override
protected void onResume() {
super.onResume();
// Register GyroscopeObserver.
gyroscopeObserver.register(this);
}
@Override
protected void onPause() {
super.onPause();
// Unregister GyroscopeObserver.
gyroscopeObserver.unregister();
}
}
Set OnPanoramaScrollListener to observe scroll state
If you want to get callback when the image scrolls, set an OnPanoramaScrollListener for PanoramaImageView.
panoramaImageView.setOnPanoramaScrollListener(new PanoramaImageView.OnPanoramaScrollListener() {
@Override
public void onScrolled(PanoramaImageView view, float offsetProgress) {
// Do something here.
// The offsetProgress range from -1 to 1, indicating the image scrolls
// from left(top) to right(bottom).
}
});
License
MIT License
Copyright (c) 2016 郭佳哲
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
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