TextView and EditText in Android

1. How to use simple TextView in android Write this code in .xml file <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent"

Basic Program - Python Programming Language

Program 1: print("For print a massage") print("Hello Python!") Output: For print a massage Hello Python! Program 2: print("For addition of two number") a = 10 b = 20 sum = a+b print("Sum of two number is ",+sum) Output: For addition of two number Sum of two number is

Decision Making & Loops - Python Programming Language

Decision Making Decision making is anticipation of conditions occurring while execution of the program and specifying actions taken according to the conditions. Decision structures evaluate multiple expressions which produce TRUE or FALSE as outcome. You need to determine which action to take and which statements to execute if outcome is

Operators - Python Programming Language

Operators are the constructs which can manipulate the value of operands. Consider the expression 4 + 5 = 9. Here, 4 and 5 are called operands and + is called operator. Types of Operator: Python language supports the following types of operators. Arithmetic Operators Comparison (Relational) Operators Assignment Operators Logical Operators Bitwise Operators

User Input - Python Programming Language

There are hardly any programs without any input. Input can come in various ways, for example from a database, another computer, mouse clicks and movements or from the internet. Yet, in most cases the input stems from the keyboard. For this purpose, Python provides the function input(). input has an

The Introduction to Python Programming Language

Python is an example of a high level language.Other high level languages you might have heard of are C++,PHP,Pascal,C#,and Java. Python is an easy to learn, powerful programming language. It has efficient high-level data structures and a simple but effective approach to object-oriented programming. Install

Lesson 10: Stopping and Restarting an Activity

Properly stopping and restarting your activity is an important process in the activity lifecycle that ensures your users perceive that your app is always alive and doesn't lose their progress. There are a few of key scenarios in which your activity is stopped and restarted: The user opens the Recent

Lesson 9: Pausing and Resuming an Activity

During normal app use, the app sometimes loses focus, causing the activity to pause. For example, when apps run in multi-window mode, only one of the apps has the focus at any time; the system pauses all other apps. Similarly, when a semi-transparent activity opens (such as one in the

Lesson 8: Starting an Activity

Unlike other programming paradigms in which apps are launched with a main() method, the Android system initiates code in an Activity instance by invoking specific callback methods that correspond to specific stages of its lifecycle. There is a sequence of callback methods that start up an activity and a sequence
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