Android Linkedin Answer
Q1. To add features, components, and permissions to your Android app, which file needs to be edited? AndroidManifest.xml Components.xml AppManifest.xml…
Given the ConstraintLayout below, which statement is true?
View B is not horizontally constrained. View C has too many constraints. View B is not vertically constrained. View C…
Which drawable definition allows you to achieve the shape below?
[ ] xml <shape xmlns:android-"http://schemas.android.com/apk/res/android" android:shape-"oval"> <gradient android:startColor-"@android:color/white" android:endColor-"@android:color/black" android:angle-"45"/> </shape> [ ] xml <rectangle xmlns:android-"http://schemas.android.com/apk/res/android"> <gradient android:startColor-"@android:color/white" android:endColor-"android:color/black" android:angle-"135"/>…
What folder should you use for your app’s launcher icons?
/drawable /icon /mipmap /launcher
Why do developers often put app initialization code in the Application class?
The Application class is instantiated before any other class when the process for the application is created. The Application class…
Which layout is best for large, complex hierarchies?
LinearLayout ConstraintLayout FrameLayout RelativeLayout
What is _not_ a good way to reuse Android code?
Use a common Gradle module shared by different Android projects. Prefer to build custom views or fragments over activities. Prefer…
To preserve on-device memory, how might you determine that the user’s device has limited storage capabilities?
Use the ActivityManager.isLowRamDevice() method to find out whether a device defines itself as “low RAM.” Use the Activity.islowRam() method to find out whether a…
Which definition will prevent other apps from accessing your Activity class via an intent?
[ ] <activity android:name=".ExampleActivity" /> [x] <activity android:name=".ExampleActivity"> <intent-filter> <action android:name="android.intent.action.SEND" /> </intent-filter> </activity> [ ] <activity android:name=".ExampleActivity"> <intent-filter> <action…