Android

Wiki 4 min read

How to Set Up SSH Server on Rooted Android (LineageOS) Using Dropbear

Why Dropbear? Dropbear is a lightweight, standalone SSH server that works reliably on Android without system library dependencies. Meanwhile, the built-in OpenSSH sshd binary on LineageOS has

Wiki 2 min read

How to Auto-Start Home Assistant on Boot on Rooted Android (LineageOS + Magisk)

Prerequisites * Rooted Android device running LineageOS * Magisk installed (for boot scripts) * Home Assistant Companion app installed on the device * ADB access to the device (via USB or wireless)

Primary 4 min read

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:

Primary 5 min read

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'

Primary 3 min read

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

Primary 6 min read

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

Primary 2 min read

Lesson 7: Supporting Different Platform Versions

While the latest versions of Android often provide great APIs for your app, you should continue to support older versions of Android until more devices get updated. This

Primary 3 min read

Lesson 6: Supporting Different Screens

Android categorizes device screens using two general properties: size and density. You should expect that your app will be installed on devices with screens that range in both

Primary 2 min read

Lesson 5: Supporting Different Languages

It’s always a good practice to extract UI strings from your app code and keep them in an external file. Android makes this easy with a resources

Wiki 1 min read

C/C++ Compiler (gcc) for Android - Run C/C++ programs on Android

C4droid is a user-friendly (but powerful) C/C++ IDE + C/C++ compiler for Android. Basic features of C4droid: * Offline C compiler: create your own applications on Android

Wiki 1 min read

How to cast / project your Android / Windows Phone screen to a Windows 10 PC [without any 3rd party software]

The Windows 10 Anniversary Update introduces a new Connect app which lets users cast their Android or Windows 10 Mobile’s screen to their Windows 10 PC. Android

Android 4 min read

Lesson 4: Starting Another Activity

After completing the previous lesson, you have an app that shows an activity (a single screen) with a text field and a button. In this lesson, you’ll

Android 7 min read

Lesson 3: Building a Simple User Interface

In this lesson, you create a layout in XML that includes a text field and a button. In the next lesson, your app responds when the button is

Android 2 min read

Lesson 2: Running your App

In the previous lesson, you created an Android project that displays "Hello World." You can now run the app on a real device or on an

Android 2 min read

Lesson 1: Create an Android Project

This lesson shows you how to create a new Android project with Android Studio and describes some of the files in the project. In Android Studio, create a