What is category launcher?

What is category launcher?

From the docs: category — Gives additional information about the action to execute. For example, CATEGORY_LAUNCHER means it should appear in the Launcher as a top-level application, while CATEGORY_ALTERNATIVE means it should be included in a list of alternative actions the user can perform on a piece of data.

What is Android Intent category default?

category: android.intent.category. DEFAULT. Matches any implicit Intent. This category must be included for your Activity to receive any implicit Intent.

How do I change the default launcher in Android?

Reset your Android phone to the default launcher

1. Step 1: Run the Settings app.
2. Step 2: Tap Apps, then swipe over to the All heading.
3. Step 3: Scroll down until you find the name of your current launcher, then tap it.
4. Step 4: Scroll down to the Clear Defaults button, then tap it.

What is Android manifest category?

You can specify categories in your applications manifest that lets the system know that you application can handle the intent category. For example, by putting a ALTERNATIVE category, other apps in the system know that your app can handle that category without specifically knowing the action name!

What is the purpose of categories in intents?

1 Answer. The category’s alone are useless, they are used to describe a possible target for an “implicit intent” in an intent-filter . When you know which class/activity you want to launch and use startActivity() or startActivityForResult() , it’s called an “explicit intent”.

What is the function of Intent filter in android?

An intent filter is an expression in an app’s manifest file that specifies the type of intents that the component would like to receive. For instance, by declaring an intent filter for an activity, you make it possible for other apps to directly start your activity with a certain kind of intent.

What is the purpose of categories in Intents?

What are Intents what are they used for?

An intent is to perform an action on the screen. It is mostly used to start activity, send broadcast receiver,start services and send message between two activities. There are two intents available in android as Implicit Intents and Explicit Intents. Here is a sample example to start new activity with old activity.

What is a custom launcher for Android?

Android launchers are apps that can spice up your phone’s home screen or act as a personal assistant. All you need is a launcher, also called a home-screen replacement, which is an app that modifies the software design and features of your phone’s operating system without making any permanent changes.

Which is the best launcher app for Android?

Here are the best Android launchers we’ve found on the Google Play store and elsewhere….Best Android launchers in 2022

1. Nova Launcher.
2. Niagara Launcher.
3. Smart Launcher 5.
4. AIO Launcher.
5. Hyperion Launcher.
6. Action Launcher.
7. Customized Pixel Launcher.
8. Apex Launcher.

What is action and category in Android?

action : Declares the intent action accepted, in the name attribute. The value must be the literal string value of an action, not the class constant. category: Declares the intent category accepted, in the name attribute. The value must be the literal string value of an action, not the class constant.

What is the use of Intent in android?

An Intent object carries information that the Android system uses to determine which component to start (such as the exact component name or component category that should receive the intent), plus information that the recipient component uses in order to properly perform the action (such as the action to take and the …

What is default I launcher?

Default i launcher has many : icon pack, wallpapers, themes & unlimited widgets . Our i Launcher is a fast and lightweight app designed especially for Android phone launchers and tablet launchers. Surf quickly through your phone ,Change : layouts, themes & wallpapers & icons theme (icon pack) Hide Apps, unlimited widgets .

What is the difference between Main and launcher category?

MAIN means that this activity is the entry point of the application, i.e. when you launch the application, this activity is created. Show activity on this post. MAIN action is the main entry point of the application. LAUNCHER category says that entry point should be listed in the application launcher. Show activity on this post.

How are categories defined in Android intent?

Standard categories are defined in the Intent class as CATEGORY_ name constants. The name assigned here can be derived from those constants by prefixing ” android.intent.category. ” to the name that follows CATEGORY_.

What is the difference between category_launcher and category_Alternative?

For example, CATEGORY_LAUNCHER means it should appear in the Launcher as a top-level application, while CATEGORY_ALTERNATIVE means it should be included in a list of alternative actions the user can perform on a piece of data.