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![The UI, the gallery (Gallery)
• Add a Gallery to the layout.
Gallery gallery = (Gallery)findViewById (R.id.gallery);
• To add strings to the Gallery, create an ArrayAdapter :
ArrayAdapter<String> adapter = new ArrayAdapter<String>(
Main.this, // content
android.R.layout.simple_spinner_item, // layout provided by Android
new String[]{"One", "Two", "Three", ...} // items to add
);](https://image.slidesharecdn.com/androidlabtest-viewgalleryeng-150226063936-conversion-gate02/75/Android-Lab-Test-The-views-the-Gallery-english-3-2048.jpg)
![File Main.java
public class Main extends Activity {
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView (R.layout.main);
Gallery gallery = (Gallery)findViewById (R.id.gallery);
ArrayAdapter<String> adapter = new ArrayAdapter<String>(
Main.this,
android.R.layout.simple_spinner_item,
new String[]{"One", "Two",
"Three","Four","Five","Six","Seven","Eight","Nine","Ten"}
);
gallery.setBackgroundColor(0xFF0000FF);
gallery.setAdapter(adapter);
}
}](https://image.slidesharecdn.com/androidlabtest-viewgalleryeng-150226063936-conversion-gate02/75/Android-Lab-Test-The-views-the-Gallery-english-6-2048.jpg)
Uploaded byBruno Delb
Android Lab Test : The views, the Gallery (english)
The document provides a tutorial on creating a gallery of strings in an Android application using the Gallery class and ArrayAdapter. It includes coding examples for setting up the gallery in XML and Java, as well as customizing its appearance. Additionally, the author, Bruno Delb, is introduced as an experienced consultant and developer in mobile applications.
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Android Lab Test : The views, the Gallery (english)
- 1. Develop on Android AndroidLab Test www.AndroidLabTest.com Youku By Bruno Delb www.weibo.com/brunodelb i.youku.com/brunodelb | www.weibo.com/brunodelb | blog.delb.cn http://i.youku.com/brunoparis Weibo Officialsite Lesson : The UI, the gallery (Gallery)
- 2. The UI, thegallery (Gallery) • In this lesson, you will learn to create a gallery (Gallery) of strings. • For this, you will use the object Gallery and ArrayAdapter.
- 3. The UI, thegallery (Gallery) • Add a Gallery to the layout. Gallery gallery = (Gallery)findViewById (R.id.gallery); • To add strings to the Gallery, create an ArrayAdapter : ArrayAdapter<String> adapter = new ArrayAdapter<String>( Main.this, // content android.R.layout.simple_spinner_item, // layout provided by Android new String[]{"One", "Two", "Three", ...} // items to add );
- 4. The UI, thegallery (Gallery) • To change the background color of the Gallery, use the method setBackgroundColor(). gallery.setBackgroundColor(0xFF0000FF); • To associate the ArrayAdapter to the Gallery, use the method setAdapter(). gallery.setAdapter(adapter);
- 5. Layout main.xml <?xml version="1.0"encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <Gallery android:id="@+id/gallery" android:layout_width="match_parent" android:layout_height="match_parent" /> </LinearLayout>
- 6. File Main.java public classMain extends Activity { public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView (R.layout.main); Gallery gallery = (Gallery)findViewById (R.id.gallery); ArrayAdapter<String> adapter = new ArrayAdapter<String>( Main.this, android.R.layout.simple_spinner_item, new String[]{"One", "Two", "Three","Four","Five","Six","Seven","Eight","Nine","Ten"} ); gallery.setBackgroundColor(0xFF0000FF); gallery.setAdapter(adapter); } }
- 7. Test on yourmobile View_Gallery
- 8. Follow me onmy channel PengYooTV … On my Youku channel http://i.youku.com/brunoparis Who am I ? Bruno Delb (www.delb.cn), Author of the first french book of development of Java mobile application (2002), Consultant, project manager and developer of social & mobile applications, let’s talk about your needs ... And on Weibo : http://www.weibo.com/brunodelb