Which of these is the incorrect explanation of the Java Native Interface(JNI)?
A. JNI does not provide garbage collection on the native side, outside the memory resources of the Java Virtual Machine.
B. Even if native code is used with JNI, it does not necessarily mean an improvement in the application processing speed.
C. A Java exception can be generated from a native method, but it cannot be caught on the Java side.
D. Header files generated on the Java side are included and implemented in the native (C/C++) side source code.
Which is not included in the Android application framework?
A. WindowManager
B. NotificationManager
C. DialerManager
D. PackageManager
Which is of these is the incorrect explanation of layoutopt?
A. It is a tool used on the command line and does not have GUI.
B. It helps optimize application layout and layout hierarchy.
C. It operates on the layout file.
D. It can be used as an SDK tool from revision 4 and later.
This class extends the View class and overrides the onDraw method. Which of the following will be displayed when executing the source code? (Assume the screen size is 480x320.)
A. Exhibit A
B. Exhibit B
C. Exhibit C
D. Exhibit D
Which of these is the incorrect explanation of external storage using an SD card?
A. SD cards support the FAT file system.
B. Directories of an SD card can be acquired by Environment.getExternalStorageDirectory().
C. Linux file system permissions do not exist on an SD card.
D. Files on SD cards cannot be handled by Java.io.File.
When executing the following code and selecting the "tab2" tab then the "tab1", which is the correct method in the List1 class which will be called first? (Assume that the application operates normally no memory erasure occurs.)
A. onCreate
B. onResume
C. Nothing will be executed
D. onTabChanged
Which class in the wifi package holds Wi-Fi network configurations, including the security configuration?
A. ScanResult
B. Wifi Configuration
C. Wifilnfo
D. WifiManager
Which of these is the correct explanation of Map API key?
A. The Map API key is created by the keytool utility.
B. It is possible to define multiple Map API Keys in 1 apk file.
C. It is necessary to provide the developer's information in order to acquire a Map API key.
D. It is necessary to acquire one debugging Map API key for each PC.
Which variable is not defined in AsyncTask.Status?
A. FINISHED
B. PENDING
C. RUNNING
D. WAITING
Which of these is the correct class used when changing from the current Activity to a different Activity?
A. Service
B. Activity
C. ContentProvider
D. Intent
