- What is an activity?
- What are the 4 areas of the box model?
- What is padding and margin in Android?
- What is the use of FindViewById in Android?
- How do you kill an activity?
- What padding means?
- What is padding time?
- What is Android ViewGroup?
- Is it better to use margin or padding?
- What is padding right?
- What is padding in Android Studio?
- What is padding used for?
- What are the 4 types of app components?
- What does setOnClickListener do in Android?
- What is the use of setTag in Android?
- What does focusable mean Android?
- What is the difference between margin and padding?
- What is padding in bra?
- How do I set margin programmatically?
- What is the margin in finance?
- Is it possible activity without UI in Android?
What is an activity?
An activity provides the window in which the app draws its UI.
This window typically fills the screen, but may be smaller than the screen and float on top of other windows.
Generally, one activity implements one screen in an app..
What are the 4 areas of the box model?
Every box is composed of four parts (or areas), defined by their respective edges: the content edge, padding edge, border edge, and margin edge.
What is padding and margin in Android?
Be it web development or Android development, margin and padding is standard parameters to position and style User interface elements. Both provides extra space/gap inside or outside the container. … In simple words, margin means to push outside, whereas padding means to push inside.
What is the use of FindViewById in Android?
Every Activity object has a method named findViewById, which finds a View object given its ID number. The code sample passes the variable R. id. today to this method to find the TextView.
How do you kill an activity?
You can also add android:noHistory=”true” to your Activity tag in AndroidManifest. xml . Yes, all you need to do is call finish() in any Activity you would like to close.
What padding means?
Padding is white space immediately surrounding an element or another object on a web page. The picture below helps demonstrate the difference between padding and a margin when working with CSS. As shown, the padding is in the border, and the margin is outside the border.
What is padding time?
Schedule padding—sometimes called simply padding, or recovery time—is some amount of ‘additional’ time added to part or all of a schedule, in excess of the expected duration, that allows it to be resilient to anticipated delays and increase the chance that the published schedule will be met.
What is Android ViewGroup?
ViewGroup. A ViewGroup is a special view that can contain other views. The ViewGroup is the base class for Layouts in android, like LinearLayout , RelativeLayout , FrameLayout etc. In other words, ViewGroup is generally used to define the layout in which views(widgets) will be set/arranged/listed on the android screen.
Is it better to use margin or padding?
The margin clears an area around an element (outside the border), but the padding clears an area around the content (inside the border) of an element. it means that your element does not know about its outside margins, so if you are developing dynamic web controls, I recommend that to use padding vs margin if you can.
What is padding right?
The padding-right CSS property sets the width of the padding area on the right of an element.
What is padding in Android Studio?
Padding in Android is used to add a blank space between a view and its contents. Margins, on the other hand, are used to add a space between two different views.
What is padding used for?
The CSS padding properties are used to generate space around an element’s content, inside of any defined borders. With CSS, you have full control over the padding. There are properties for setting the padding for each side of an element (top, right, bottom, and left).
What are the 4 types of app components?
There are four different types of app components:Activities.Services.Broadcast receivers.Content providers.
What does setOnClickListener do in Android?
One of the most usable methods in android is setOnClickListener method which helps us to link a listener with certain attributes. While invoking this method a callback function will run. One can also create a class for more than one listener, so this can lead you to code reusability.
What is the use of setTag in Android?
setTag(int, Object) would store the objects in a static map, where the values were strongly referenced. This means that if the object contains any references pointing back to the context, the context (which points to pretty much everything else) will leak.
What does focusable mean Android?
Focusable means that it can gain the focus from an input device like a keyboard. Input devices like keyboards cannot decide which view to send its input events to based on the inputs itself, so they send them to the view that has focus.
What is the difference between margin and padding?
Basically, a margin is the space around an element and padding refers to the space between an element and the content inside it. … In creating the gap, the margin pushes adjacent elements away. On the other hand, padding is placed inside the border of an element.
What is padding in bra?
A padded bra is tailored to make your chest appear bigger. As its name implies, it is a type of bra which is padded. The padding material of the bra can either be water, foam, or gel. … If you want your chest to appear slightly larger, you can choose a padded bra with slight amount of padding.
How do I set margin programmatically?
You should use LayoutParams to set your button margins: LayoutParams params = new LayoutParams( LayoutParams. WRAP_CONTENT, LayoutParams. WRAP_CONTENT ); params.
What is the margin in finance?
Margin is the money borrowed from a brokerage firm to purchase an investment. … In a general business context, the margin is the difference between a product or service’s selling price and the cost of production, or the ratio of profit to revenue.
Is it possible activity without UI in Android?
The answer is yes it’s possible. Activities don’t have to have a UI. It’s mentioned in the documentation, e.g.: An activity is a single, focused thing that the user can do.