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Android

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Android Oct 11, 2026 3 min read

Flutter: the Android keyboard won’t open on a field with an iOS-only TextInputAction

A TextField with TextInputAction.join works on iOS. In a debug build on Android, tapping it gives the field focus and nothing else: no keyboard, no cursor, and nothing in logcat. The release build of the same code is fine. It looks like a broken emulator keyboard and it is one line of Dart.

Android Oct 11, 2026 4 min read

Test fingerprint login in the Android emulator from the command line

The Android emulator's fingerprint sensor is a console command: adb emu finger touch 1. Getting to the point where that command does anything takes a PIN, a trip through the enrollment wizard and a wait for the sensor to start listening. All of it can be scripted, including a screenshot of a prompt that adb screencap returns as a black frame.

Android Sep 22, 2026 4 min read

Flutter: Check Internet Connection with connectivity_plus

To check the internet connection in a Flutter app, use the connectivity_plus package. It tells you whether the phone is on Wi-Fi, mobile data or no network at all, and when that changes. It can't tell you the internet actually works, so your requests still need to handle failure.

Android Sep 13, 2026 4 min read

Flutter Login and Signup Screen tutorial: iOS + Android + PHP 8 + Biometrics

A Flutter app for iOS and Android with signup, login, logout and Face ID or fingerprint unlock, talking to a PHP 8 API. The session token goes in the Keychain or the Android Keystore, and the forms work with password AutoFill on both platforms.

Android Sep 23, 2012 1 min read

Java: Change the Call Forward Number on an Android phone programmatically

We can easily set/change the call forward number on gsm Android phones. Here i am showing you to change/set the call forward number for "Unconditional forwarding".

Android Apr 19, 2012 1 min read

android.os.NetworkOnMainThreadException due to StrictMode.ThreadPolicy

StrictMode.ThreadPolicy was introduced since API Level 9 and the default thread policy had been changed since API Level 11, which in short, does not allow network operation (include HttpClient and HttpUrlConnection) get executed on UI thread. if you do this, you get NetworkOnMainThreadException.

Android Jul 14, 2009 1 min read

Install Android on your system to test it using Google Android LiveCD

Want to try Google Android? Today is no longer necessary to have a mobile phone with Android installed to be able to prove it.Recently released a new version…

Android Jun 13, 2009 1 min read

Google Android applications will be soon available on Ubuntu

It is confirmed: Ubuntu can run Android applications.As advanced a few days ago, has confirmed that Canonical is working on developing an environment that will allow the execution…