Android Interview Questions

Android Interview Questions

Training for Android Developers

https://www.toptal.com/android/interview-questions

http://www.tutorialspoint.com/android/android_interview_questions.htm

http://www.careerride.com/android-interview-questions.aspx

action bar replaces menu button
activity

• findViewByID(R.id.text)

adv  android development environment
app bar = action bar at top
fragment

• for tablet
• layout xml <fragment class="TitlesFragment" />

gradle
grid layout widget
intent

• explicit intent
• implicit intent - system finds one that matches select from multiple

manifest file

opengl/es - 3D 

overflow menu - 3 vertical dots
sensors

• this.getSystemService(SENSOR_SERVICE);
• implements SensorEventListener
• mgr.registerListener(this, light, SensorManager.SENSOR_DELAY_NORMAL);
• proximity
• light
• temperature
• pressure
• gyroscope
• accelerometers
• nfc
• 
  

service
settings

• Settings.System.putInt(getContentResolver(), Settings.System.SCREEN_OFF_TIMEOUT, myDelay);
• only way to get current value is with listener

space widget 

View

Viewgroup - holds views together

xml layout