Associate Android Developer Certification Questions and Answer (Dumps and Practice Questions)
Question : Which of these is the incorrect explanation of the Toast class?
1. Toast is a simple class for display, and cannot be set with a custom XML-defined layout
2. The display duration time of Toast can be chosen from 2 types, LENGTHJjDNG and LENGTH_SHORT.
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4. Since Toast automatically closes after display, a dismiss () method is not provided
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Explanation: A toast provides simple feedback about an operation in a small popup. It only fills the amount of space required for the message and the current activity remains visible and interactive. For example, navigating away from an email before you send it triggers a "Draft saved" toast to let you know that you can continue editing later. Toasts automatically disappear after a timeout.
If a simple text message isn't enough, you can create a customized layout for your toast notification. To create a custom layout, define a View layout, in XML or in your application code, and pass the root View object to the setView(View) method.
Question : Which ContentProvider does Android not provide as a standard?
1. A telephone log
2. A database
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4. A contact list
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Explanation: Content providers are one of the primary building blocks of Android applications, providing content to applications. They encapsulate data and provide it to applications through the single ContentResolver interface. A content provider is only required if you need to share data between multiple applications. For example, the contacts data is used by multiple applications and must be stored in a content provider. If you don't need to share data amongst multiple applications you can use a database directly via SQLiteDatabase.
When a request is made via a ContentResolver the system inspects the authority of the given URI and passes the request to the content provider registered with the authority. The content provider can interpret the rest of the URI however it wants. The UriMatcher class is helpful for parsing URIs.
Question : Which of these is the incorrect explanation of SQLite?
1. There are 5 types of data type stored in column; Null, Integer, Real, Text, and Blob.
2. There are restrictions on some functions of SQLite loaded on Android
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4. SQLite is a database that saves data in a single file
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Explanation: SQLite is a opensource SQL database that stores data to a text file on a device. Android comes in with built in SQLite database implementation.
SQLite supports all the relational database features. In order to access this database, you don't need to establish any kind of connections for it like JDBC,ODBC e.t.c
Related Questions
Question : Which ContentProvider does Android not provide as a standard?
1. A telephone log
2. A database
3. Access Mostly Uused Products by 50000+ Subscribers
4. A contact list
Question : Which of these is the incorrect explanation of SQLite?
1. There are 5 types of data type stored in column; Null, Integer, Real, Text, and Blob.
2. There are restrictions on some functions of SQLite loaded on Android
3. Access Mostly Uused Products by 50000+ Subscribers
4. SQLite is a database that saves data in a single file
Question : When executing android.content.Context.openFileOutput("sample.txt", ), which path is the file stored in?
1. /data/app/
2. /data/data/
4. /system/data/
Question : Which of these is the correct explanation of the Ul/Application Exerciser Monkey (Monkey tool)?
1. It can execute tests covering all events.
2. It can execute stress tests and sometimes discover new bugs.
4. Since it reduces the interval between events as much as possible, it operates in a heavilyloaded state.
Question : Which of these is the correct explanation regarding the following methods?
(1 )android.content.Context.sendBroadcast
(2)android.content.Context.startActivity
1. Both methods are defined by overloading
2. Both methods throw an exception.
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4. Both methods are able to broadcast an Intent.
Question : Which of these is the incorrect role for an Intent?
1. Start an Activity
2. Start a BroadcastReceiver
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4. Start a Service