- ResourceClientの実装
- バックグラウンドプレーンのリザーブ
- HStillImageBackgroundConfigurationの取得
- JPEGファイルからHBackgroundImageを生成
- HBackgroundImageの表示
- HBackgroundImageの開放
- バックグラウンドプレーンのリリース
Main.java
import javax.tv.xlet.Xlet;
import javax.tv.xlet.XletContext;
import org.davic.resources.ResourceClient;
import org.davic.resources.ResourceProxy;
import org.havi.ui.HBackgroundConfigTemplate;
import org.havi.ui.HBackgroundDevice;
import org.havi.ui.HBackgroundImage;
import org.havi.ui.HScreen;
import org.havi.ui.HStillImageBackgroundConfiguration;
public class Main implements Xlet, ResourceClient{
HBackgroundDevice device;
HBackgroundImage image,image2;
public void initXlet(XletContext context){
try {
HScreen screen = HScreen.getDefaultHScreen();
device = screen.getDefaultHBackgroundDevice();
device.reserveDevice(this);
HBackgroundConfigTemplate template = new HBackgroundConfigTemplate();
HStillImageBackgroundConfiguration configuration =
(HStillImageBackgroundConfiguration)device.getBestConfiguration(template);
image = new HBackgroundImage("test1.jpg");
image2 = new HBackgroundImage("test2.jpg");
for( ;; ){
configuration.displayImage(image);
configuration.displayImage(image2);
}
} catch(Throwablethr) {
}
}
public void startXlet(){ }
public void pauseXlet(){ }
public void destroyXlet(boolean unconditional){
device.releaseDevice();
image.flush();
image2.flush();
}
/* ResourceClientのmethod */
public void notifyRelease(ResourceProxy proxy) { }
public void release(ResourceProxy proxy) { }
public boolean requestRelease(ResourceProxy proxy, Object requestData) { return false; }