21st October 2019

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10

What is Hlos Android?

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You can choose from richly-featured OS offerings stemming from the desktop or smart phone worlds, such as Android, Linux and Windows CE, from minimal real-time executives, to anything in between. Generally OS products can be categorized into two categories, a high-level operating system (HLOS) and a RTOS.

Also, what is a cell phone baseband?

A baseband processor (also known as baseband radio processor, BP, or BBP) is a device (a chip or part of a chip) in a network interface that manages all the radio functions (all functions that require an antenna); however, this term is generally not used in reference to Wi-Fi and Bluetooth radios.

What is the use of baseband?

Baseband refers to the original frequency range of a transmission signal before it is converted, or modulated, to a different frequency range. For example, an audio signal may have a baseband range from 20 to 20,000 hertz.

What is the use of kernel version in Android?

The Kernel Version is the Linux Kernel version that Android is based on. It's the core of the operating system that handles requests to and from the hardware, memory and process management and all the low-level stuff that is necessary for Android to be able to run.

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What is a cell phone baseband?

A baseband processor (also known as baseband radio processor, BP, or BBP) is a device (a chip or part of a chip) in a network interface that manages all the radio functions (all functions that require an antenna); however, this term is generally not used in reference to Wi-Fi and Bluetooth radios.

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What is baseband version of Android?

Weather they exist in same physical chip or apart on the device motherboard they run entirely different code. AP software version is characterized by the Android version and kernel version. CP software version is characterized by Baseband version. Its the version of CP's OS.

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What is a security patch level?

One practical, visible measure that you can check yourself is the Android security level on any device running Android 6.0 or later. Every month, Google releases a patch that fixes the latest security vulnerabilities. You'll see a line that says “Android security patch level.”

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What is the use of handler in Android?

android.os.Handler allows us to send and process Message and Runnable objects associated with a thread's MessageQueue. Each Handler instance is associated with a single thread and that thread's message queue. Handler used for: Processing messages on the consumer thread. Managing messages in the queue.

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What is the use of intent in android?

Intents are objects of the android.content.Intent type. Your code can send them to the Android system defining the components you are targeting. For example via the startActivity() method you can define that the intent should be used to start an activity. An intent can contain data via a Bundle.

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What are the types of intent in android?

There are two types of intent in Android. Implicit Intent: This kind of intent is used to invoke the system registered components. For example, to display a particular webpage on browser from current activity. Explicit Intent: This kind if intent is used to invoke uaer defined components.

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What is the use of toast in Android?

Andorid Toast can be used to display information for the short period of time. A toast contains message to be displayed quickly and disappears after sometime. The android.widget.Toast class is the subclass of java.lang.Object class. You can also create custom toast as well for example toast displaying image.

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What is the purpose of toast in Android?

Andorid Toast can be used to display information for the short period of time. A toast contains message to be displayed quickly and disappears after sometime. The android.widget.Toast class is the subclass of java.lang.Object class. You can also create custom toast as well for example toast displaying image.

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What is the use of manifest file in Android?

Every application must have an AndroidManifest.xml file (with precisely that name) in its root directory. The manifest presents essential information about the application to the Android system, information the system must have before it can run any of the application's code.

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What is XML files in Android?

XML stands for Extensible Mark-up Language.XML is a very popular format and commonly used for sharing data on the internet. This chapter explains how to parse the XML file and extract necessary information from it. Android provides three types of XML parsers which are DOM,SAX and XMLPullParser.

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What is the use of adapter in android?

Android's Adapter is described in the API documentation, as “a bridge between an AdapterView and the underlying data for that view” (see here). An AdapterView is a group of widgets (aka view) components in Android that include the ListView, Spinner, and GridView.

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What is a Recyclerview in Android?

RecyclerView is flexible and efficient version of ListView. It is an container for rendering larger data set of views that can be recycled and scrolled very efficiently. RecyclerView is like traditional ListView widget, but with more flexibility to customizes and optimized to work with larger datasets.

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What is the use of Inflater in Android?

What is an Inflater ? To summarize what the LayoutInflater Documentation says A LayoutInflater is one of the Android System Services that is responsible for taking your XML files that define a layout, and converting them into View objects. The OS then uses these view objects to draw the screen.

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Why Layoutinflater is used in Android?

Inflate gives you the object reference to that layout to call findViewById on. LayoutInflater is used to manipulate Android screen using predefined XML layouts. This class is used to instantiate layout XML file into its corresponding View objects. It is never used directly.

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What is the use of Viewgroup in Android?

A ViewGroup is a special view that can contain other views (called children.) The view group is the base class for layouts and views containers. This class also defines the ViewGroup.LayoutParams class which serves as the base class for layouts parameters.

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What is the view in Android?

vote 2. Usually View is used as arguments in methods which act as some kind of listener. For example when you have more than 1 Button in your layout and you set onClickListener on them, you create a method like this: public void onClick(View view){ } Here the View is the view on which the user has clicked.

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What is the use of gridview in Android?

GridView layout in one of the most useful layouts in android. Gridview is mainly useful when we want show data in grid layout like displaying images or icons. This layout can be used to build applications like image viewer, audio or video players in order to show elements in grid manner.

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What is grid layout in Android?

android.widget.GridLayout. A layout that places its children in a rectangular grid. The grid is composed of a set of infinitely thin lines that separate the viewing area into cells. Throughout the API, grid lines are referenced by grid indices.

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What is the definition of gridview?

A grid view or a datagrid is a graphical control element that presents a tabular view of data. A typical grid view also supports some or all of the following: Clicking a column header to change the sort order of the grid. Row and column separators, and alternating row background colors.

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