Android Interview Questions
Best Android Interview Questions And Answers
Android Debug Bridge is the full form of ADB. ADB could control sharing of files along with cut & copy function of any PC from your system with the help of a USB.
We should never change it as it could bring few errors in working of the application.
public virtual View FindViewById (Int32 id)
Nougat, Marshmallow, Lollipop, KitKat, Jelly Bean, Ice Cream, Sandwitch & Honeycomb are the few of the last codes used for android versions .
- Multitasking is one of the main advantage of android. You could listen songs along with Internet browsing on android.
- Access to hundred of thousands applications. You want to learn cooking , just find cooking app and start your learning.
- An android user has many options of phones and it's brands, which are available in different price range. So, there is variety of choices with android.
An Android Virtual Device is a device configuration that is run with the Android emulator. Android virtual device is used to test an application without any mobile or a tablet. It works on Android Emulator which gives a virtual device facilities. It gives the platform to install & run the application in order to test it.
An activity of android is a frame or a screen of any application. Any app, could create more than one activity . It’s like when we start any application its shows one activity , when we pause it displays panother activity & go on same way .
An android toast is a form of message, which reflect for a user in terms of feedback. This message reflect for a very short time & goes away automatically.
Toast.makeText(getApplicationContext(),"Best Interview Questions",Toast.LENGTH_SHORT).show();
Internal storage is the main facility given by android which is Internally based in device . Android also support external storage which could be done in the form of USB or Pen drive . Apart from internal and external storage , Android gives the facility of shared preferences and network connection for storage . Adding to this , SQLite database stores data in the form of text file & which is made for mobile devices .
<activity android:icon="@drawable/app_icon" android:name=".MyTestActivity"></activity>
To show icon in manifest file , open the ‘manifest’ & click on ‘AndroidManifest.xml’ . There we would find Application node . Just add the above code in application .
Key components of android includes view, intent, service, activity, fragment, content provider & android virtual device.
<activity android:name="”.MyIntellipaat”"> </activity>
Android is one of the most popular mobile platform today in the world. App. developer just needs to create and register his app on android platform. After this, any android user from across the globe could download and install his application. By just having presence on android platform, an app. developer gets huge market of ready customers.
- Many android apps contain viruses, which destroys a mobile health.
- Android needs internet to perform any task. It is of no use for a person not having an internet connection.
- You couldn't work in flow on android as bulk advertising stops you every time.
<set xmlns:android="http://schemas.android.com/apk/res/android" android:shareInterpolator=”false”>
It has following application components architecture.
- Resource Externalization
- Content Providers