import android.app.Application;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.os.Build;
import android.support.v4.util.LruCache;
import com.kakao.auth.KakaoSDK;
import com.kakao.push.PushService;
import com.kakao.util.helper.log.Logger;
public class GlovalApplication extends Application {
private static void GlobalApplication instance = null;
private ImageLoader imageLoader;
/**
* singleton 애플리케이션 객체를 얻는다.
* @return singleton 애플리케이션 객체
*/
public static GlobalApplication getGlobalApplicationContext() {
if(instance == null)
throw new IllegalStateException("this application does not inherit com.kakao.GlobalApplication");
return instance;
}
/**
* 이미지 로더, 이미지 캐시, 요청 큐를 초기화한다.
*/
@Override
public void onCreate() {
super.onCreate();
instance = this;
KakaoSDK.init(new KakaoSDKAdapter());
PushService.init();
final RequestQueue requestQueue = Volley.newRequestQueue(this);
ImageLoader.ImageCache imageCache = new ImageLoader.ImageCache() {
final LruCache<String, Bitmap> imageCache = new LruCache<String, Bitmap>(30);
@Override
public void putBitmap(String key, Bitmap value) {
imageCache.put(key, value);
}
@Override
public Bitmap getBitmap(String key) {
return imageCache.get(key);
}
};
imageLoader = new ImageLoader(requestQueue, imageCache);
createNotificationChannel();
}
/**
* 이미지 로더를 반환한다.
* @return 이미지 로더
*/
public ImageLoader getImageLoader() {
return imageLoader;
}
/**
* 애플리케이션 종료시 singleton 어플리케이션 객체 초기화한다.
*/
@Override
public void onTerminate() {
super.onTerminate();
instance = null;
}
/**
* For API level above or equalt o 26, Separate notification
*/
private void createNotificationChannel() {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
NotificationManager nm = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
if (nm == null) {
Logger.e("Failed to fetch NotificationManager from context.");
return;
}
String channelId = "kakao_push_channel";
String channelName = "Kakao SDK Push";
NotificationChannel channel = new NotificationChannel(channelId, channelName, NotificationManager.IMPORTANCE_DEFAULT);
channel.enableLights(true);
channel.setLightColor(Color.RED);
channel.enableVibration(true);
nm.createNotificationChannel(channel);
Logger.d("successfully created a notification channel.");
}
}
}