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목록2024/04 (11)

DBILITY

tomcat version 확인

java -cp catalina.jar org.apache.catalina.util.ServerInfo
was 2024. 4. 24. 19:08
singleton의 최적?

public class DataStore { private final String TAG = DataStore.class.getSimpleName(); private DataStore() { Log.e(TAG, "Init"); } public static DataStore getInstance() { return LazyDataStore.instance; } private static class LazyDataStore { private static final DataStore instance = new DataStore(); } }
java/basic 2024. 4. 18. 15:12
android.nonFinalResIds=false

switch에서 case R.id.식별자 하면 오류가 남. R.id가 final이 아니라 그렇다고 gradle 8.0부터 그렇게 되었다고 하니 gradle.properties에 추가 android.nonFinalResIds=false
android/java 2024. 4. 17. 13:00
Didn't find class "androidx.core.app.CoreComponentFactory"

Unable to instantiate appComponentFactory java.lang.ClassNotFoundException: Didn't find class "androidx.core.app.CoreComponentFactory" on path: DexPathList[[],nativeLibraryDirectories=[/data/app/com.dbility.android.myapplication-zXQF53q8EDh0JWjB7uEqzA==/lib/x86, /system/lib, /system/product/lib]] at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:196) at java.lang.ClassLoader...
android/java 2024. 4. 16. 11:40
AVD network speed

For Mobile Data Link I am afraid that you can only check TelefonyManager.getNetworkType() to determine the current Mobile Data Link type. You should then aproximate to actual speed by link type (i.e. for GPRS up to 128 kbps, for EDGE up to 236.8 kpbs, for 3G up to 2 Mbps, for HSDPA up to 7.2 Mbps). Take into consideration that this is only an aproximation. Your could be conneting using HSDPA but..
android 2024. 4. 15. 14:14
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