MODISM ppt in maam quiz

Question 1

are used to target a specific app or component within an app.

Answer 1

explicit intents

Question 2

Explicit Intents - By specifying either the____ of the target app or the ____ of the component (like an activity or service), you ensure that the intent is directed to a particular component

Answer 2

package name, full class name

Question 3

By specifying either the package name of the target app or the full class name of the component (like an activity or service), you ensure that the intent is directed to a particular component

Answer 3

Explicit Intents

Question 4

especially useful when you want a precise action from a known part of the app or when you’re starting a specific activity within the same app

Answer 4

Explicit Intents

Question 5

are more general; they don’t specify a particular app or component and rely on the system to choose an appropriate app to handle the request based on the type of action and data provided

Answer 5

implicit intents

Question 6

used when you want the system to find an appropriate app to perform a specific action, such as opening a webpage, sending an email, or sharing content.

Answer 6

Implicit intents

Question 7

Starting with ______, Android introduced heads-up notifications

Answer 7

Android 5.0 (Lollipop)

Question 8

Starting with Android 5.0 (Lollipop), Android introduced ____

Answer 8

heads-up notifications

Question 9

appear briefly in a floating window at the top of the screen. overlaying the current content.

Answer 9

notifications

Question 10

They’re especially useful for time-sensitive notifications, like incoming calls, messages, or urgent reminders, as they grab the user’s attention without requiring them to pull down the notification shade

Answer 10

notifications

Question 11

Key Features of Head-Up Notifications

Answer 11

Temporary Display, Direct Action, Visibility Priority

Question 12

Heads-up notifications appear for a few seconds, allowing users to interact with them directly (e.g., answer or dismiss a call)

Answer 12

Temporary Display

Question 13

User can swipe the notification away or interact with action buttons (like “Reply” for messages or “Accept” for calls) without leaving the current screen

Answer 13

Direct Actions

Question 14

These notifications are generally used when the priority is set to high, which signals urgency and lets the notifications temporarily overlay the current activity

Answer 14

Visibility Priority

Question 15

Priority: Setting _________ or ________ is crucial to trigger heads-up behavior

Answer 15

PRIORITY_HIgh, PRIORITY_MAX

Question 16

Important Points of Notification

Answer 16

Priority, Channel Importance (Android 8.0 and above),

Question 17

Channel Importance (Android 8.0 and above): Since Android 8.0 (Oreo), notifications are managed in channels, so setting the channel importance to ________ is also necessary for heads-up notifications to work

Answer 17

IMPORTANCE_HIGH

Question 18

This feature enhances the way critical information is delivered to user without disrupting their activity entirely

Answer 18

Notifications

Question 19

are used to detect and respond to different user interactions with the app’s UI components.

Answer 19

Action Listeners

Question 20

These listeners allow developers to define what happens when users perform actions like clicking a button, selecting an item from a list, or typing into a text field

Answer 20

Action Listeners

Question 21

specifically designed to respond to clock events on widget-like buttons, text views, images, etc.

Answer 21

OnClickListener

Question 22

When an OnClickListener is assigned to a _____, it will respond to click events, meaning it only triggers when the user taps on the ______

Answer 22

widget

Question 23

Touch events are typically handled by ______

Answer 23

OnTouchListener

Question 24

Focus events are handled by _____

Answer 24

OnFocusChangeListener

Question 25

The _____ method is triggered when the user taps on button

Answer 25

onClick()

Question 26

Inside onClick(), you can ____ upon the click

Answer 26

define what should happen

Question 27

Detects Touch Events

Answer 27

OnTouchListener

Question 28

This listener detects touch interactions, allowing you to track presses, movements, and releases on the screen

Answer 28

OnTouchListener

Question 29

Detects Key Press Events

Answer 29

OnKeyListener

Question 30

This listener is often used to detect key events in an EditText, such as when a user presses the “Enter” key

Answer 30

OnKeyListener

Question 31

Detects Focus Changes

Answer 31

OnFocusChangeListener

Question 32

Used for detecting when a view, like an input field, gains or loses focus

Answer 32

OnFocusChangeListener

Question 33

is a messaging object used to request an action from another app component

Answer 33

Intent

Question 34

______ facilitates communication between different components

Answer 34

Intent

Question 35

Intents are two types:

Answer 35

Explicit Implicit

Question 36

communicates between two activities inside the same application

Answer 36

Explicit Intents

Question 37

Communicates between two activities of different application

Answer 37

Implicit Intent

Question 38

Intents are used to:

Answer 38

Start an Activity Start a Service (open email, web browser, and calling) Pass data in same application or different application

Question 39

Intent is used for ______ Intent are also used in Broadcast Message via ______

Answer 39

Broadcasting message, Broadcast Receiver

Question 40

Designed for storing and transporting data between different parts of an app, often used in conjunction with Intents

Answer 40

Bundle

Question 41

The following are the major types that are passed/retrieved to/from a Bundle:

Answer 41

putInt(String key, int value), getInt(String key, int value) putString(String key, String value), getString(String key, String value) putStringArray(String key, String[] value), getStringArray(String key, String[] value) putChar(String key, char value), getChar(String key, char value) putBoolean(String key, boolean value), getBoolean(String key, boolean value)

Question 42

is a fundamental aspect of Android app development, allowing your app to respond to user interactions.

Answer 42

Event Handling

Question 43

These are objects that listen for specific events, such as button clicks, touch gestures, or text input.

Answer 43

Event Listeners

Question 44

These methods are invoked when the corresponding event occurs. They typically contain the code that defines the app’s response to the event

Answer 44

Event Handling Methods

Question 45

Used for button clicks

Answer 45

OnClickListener:

Question 46

This method is called when the button is clicked

Answer 46

onClick(View v):

Question 47

Used for touch events like touch, press, and release

Answer 47

OnTouchListener

Question 48

This method is called for each touch event

Answer 48

onTouch(View v, MotionEvent event):

Question 49

Used to monitor text changes in a TextView

Answer 49

TextWatcher

Question 50

Called when the text changes

Answer 50

onTextChanged(CharSequence s, int start, int count, int after):

Question 51

: Called before the text changes

Answer 51

beforeTextChanged(CharSequence s, int start, int count, int after)

Question 52

: Called after the text changes

Answer 52

afterTextChanged(Editable s)

Question 53

define the visual structure of your app’s user interface.

Answer 53

Android layouts

Question 54

They are created using XML files, and you can use various layout types to organize your UI elements;

Answer 54

Android layouts

Question 55

Arranges views in a single vertical or horizontal line

Answer 55

LinearLayout

Question 56

Positions views relative to each other or to the parent layout

Answer 56

RelativeLayout

Question 57

Stacks views on top of each other

Answer 57

FrameLayout

Question 58

A flexible layout system that allows you to position and size views relative to each other, the parent layout, or guidelines

Answer 58

ConstraintLayout

Question 59

are the visual building blocks of your app’s UI.

Answer 59

Widgets

Question 60

Displays text

Answer 60

TextView:

Question 61

Triggers actions when clicked

Answer 61

Button

Question 62

Allows users to input text

Answer 62

EditText

Question 63

Displays images

Answer 63

ImageView

Question 64

Indicates progress

Answer 64

ProgressBar

Question 65

Allows user to select a value from a range

Answer 65

SeekBar

Question 66

Presents a list of items for selection

Answer 66

Spinner

Question 67

inform users about events that occur outside of their app, such as new messages, alarms or reminders.

Answer 67

Notifications

Question 68

You can create notifications using the ____ class

Answer 68

NotificationCompat

Question 69

Key Steps to create a notification:

Answer 69

Create a NotificationChannel, Create a Notification Builder, Set the notification’s content, Set the notification’s intent, Build and show the notification

Question 70

This is required for Android Oreo and higher

Answer 70

Create a NotificationChannel

Question 71

This object helps you customize the notification’s appearance and behavior

Answer 71

Create a Notification Builder

Question 72

This includes the title, text, and any additional details

Answer 72

Set the notification’s content

Question 73

This defines what happens when the user taps on the notification

Answer 73

Set the notification’s intent

Question 74

Use the NotificationManager to display the notification

Answer 74

Build and show the notification