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Android interview questions and answers for freshers Page 5

(#M40158020) ANDROID QUESTION Keep an EYE

Which of the below is a Positional sensors?

Options
1) i
2) i & ii
3) i, ii & iii
4) i & iv

Asked In Android Ashish (8 years ago)

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(#M40158019) ANDROID QUESTION Keep an EYE

Which of the below is a Motion sensor?

Options
1) GyroScope
2) Humidity sensor
3) Proximity sensor
4) Magnetometer

Asked In Android Ashish (8 years ago)

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(#M40158018) ANDROID QUESTION Keep an EYE

What is the sensor to use to find how much near is an object to your phone

Options
1) GyroScope
2) Accelerometer
3) Proximity sensor
4) Magnetometer

Asked In Android Ashish (8 years ago)

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(#M40158017) ANDROID QUESTION Keep an EYE

Which sensor is used to find gravitational force on each axes(x,y & z)

Options
1) GyroScope
2) Accelerometer
3) Proximity sensor
4) we can use any of the above 3 options for this requirement

Asked In Android Ashish (8 years ago)

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(#M40158016) ANDROID QUESTION Keep an EYE

How to show SQLite Database table information in android application? What is the best way to do it?

Options
1) Use table layout with cursor
2) Use listView with cursor adapter
3) Use table layout with cursor adapter
4) use gridview with cursor adapter

Asked In Android Ashish (8 years ago)

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(#M40158015) ANDROID QUESTION Keep an EYE

How to upgrade database tables?

Options
1) Pass different version number in incremental order, and put all upgrading code in onUpgrade() of helper class.
2) Pass different version number in incremental order, and put all upgrading code in onCreate() of helper class.
3) Pass different version number in any order, and put all upgrading code in onUpgrade() of helper class.
4) Pass different version number is decremental order, and put all upgrading code in onUpgrade() of helper class.

Asked In Android Ashish (8 years ago)

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(#M40158014) ANDROID QUESTION Keep an EYE

What is the difference between contentprovider and contentresolver?

Options
1) they are not at all related with each other
2) content provider is used to share private data with other applications, where as content-resolver communicates from client end with content provider.
3) content resolver is used to share private data with other applications, where as content-provider communicates from client end with content resolver.
4)content provider is used to store private data, where as content-resolver communicates from client end with content provider.

Asked In Android Ashish (8 years ago)

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(#M40158013) ANDROID QUESTION Keep an EYE

How to start a content provider using an intent?

Options
1) possible. Content provider is also a component of android, so we can use intent to start it.
2) not possible. Using intent you can't trigger a content provider.
3) option 2 is correct because, we use content resolver to communicate with content provider
4)none

Asked In Android Ashish (8 years ago)

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(#M40158012) ANDROID QUESTION Keep an EYE

Can one application access other application's database directly?

Options
1) yes, it is possible
2) no, it is impossible
3) option 2 is right because, sqliteDB will be stored in internal memory app always. so other apps cannot access it.
4) Option 2 is wrong, because even if db tables are stored in internal memory, using Content Provider one can access database.

Asked In Android Ashish (8 years ago)

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(#M40158011) ANDROID QUESTION Keep an EYE

What is the purpose of SQLiteOpentHelper?
Options
1) A helper class to manage database creation, version management, and inserting/modifying/deleting/updating table data without loosing state of the previous data.
2)A helper class to insert/update/delete data into tables with loosing state of the previous data.
3)A helper class to manage database creation, upgrading and version management without loosing state of the previous data.
4) all of the above

Asked In Android Ashish (8 years ago)

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