Android – Page 2 – Igor Khrupin

Android Development

How to prevent screen capturing in Android

Prevent screen capturing is way for saving your content. Android SDK have special flag for it. https://developer.android.com/reference/android/view/WindowManager.LayoutParams.html#FLAG_SECURE Just declare it in your Activity like this: @Override protected void onCreate(Bundle savedInstanceState) { getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE); super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ….. } And user will see next message when try make screenshot:

By Igor Khrupin, 7 years25 November, 2016 ago

Android Accessibility

Android Keyboard. LatinIME gradle module

My application requires Android keyboard. I’ve got LatinIME from AOSP and made gradle module. LatinIME support Android Accessibility and works perfect with TalkBack. Here is screenshots: Here is link for my github repo:

By Igor Khrupin, 7 years17 November, 2016 ago

Android Development

How to fix “undefined reference to ‘__atomic_exchange_4”

When I built native library for LatinIME I’ve got next error: undefined reference to ‘__atomic_exchange_4 Full stacktrace: /Volumes/Android/buildbot/src/android/ndk-r13-release/external/libcxx/include/memory:635: error: undefined reference to ‘__atomic_load_4’ /Volumes/Android/buildbot/src/android/ndk-r13-release/external/libcxx/../../external/libcxxabi/src/cxa_handlers.cpp:112: error: undefined reference to ‘__atomic_exchange_4’ /Volumes/Android/buildbot/src/android/ndk-r13-release/external/libcxx/../../external/libcxxabi/src/cxa_default_handlers.cpp:106: error: undefined reference to ‘__atomic_exchange_4’ /Volumes/Android/buildbot/src/android/ndk-r13-release/external/libcxx/../../external/libcxxabi/src/cxa_default_handlers.cpp:117: error: undefined reference to ‘__atomic_exchange_4’ clang++: error: linker command failed with exit code 1 Read more…

By Igor Khrupin, 7 years16 November, 2016 ago

Android Development

Build native libs for LatinIME. Error: base class ‘class latinime::NgramListener’ should be explicitly initialized in the copy constructor [-Werror=extra]

I working on LatinIME Android Keyboard keyboard. I’ve got source from Google repo. Here is structure: java – contains java code native – jni code. When I try to build native I receive next error: ‘latinime::MultiBigramMap::BigramMap::BigramMap(const latinime::MultiBigramMap::BigramMap&amp;)’: jni/src/suggest/core/dictionary/multi_bigram_map.h:56:9: error: base class ‘class latinime::NgramListener’ should be explicitly initialized in the copy Read more…

By Igor Khrupin, 7 years16 November, 2016 ago

Android Development

How to flash Nexus 5 Hammerhead

Hi Guys, Please do the next instructions with your own risk. Download stock Image from https://developers.google.com/android/nexus/images I’ve downloaded 6.0.1 (MOB31E) Inzip Image Unlock the device’s bootloader fastboot flashing unlock or, for older devices, run the next: fastboot oem unlock Execute the flash-all script from ZIP. Start the device in fastboot mode again. Lock Read more…

By Igor Khrupin, 8 years22 September, 2016 ago

Android Development

How to answer incoming call programmatically in Android

Here is example for accepting incoming calls programmatically The most stable version is using adb shell feature. Call can be answered by sending command “adb shell input keyevent 79” via Terminal Same thing can be done programmatically. But, it works good for user-driven answering and this solution good for custom Read more…

By Igor Khrupin, 8 years26 May, 2016 ago

Android Development

iPhone to Android and Android to iPhone density converter

I use this coefficients when I need convert iOS assets to Android or Android to iOS. MDPI / BASE = 100 TVDPI = 133 HDPI = 150 XHDPI / RETINA = 200 XXHDPI = 300 XXXHDPI = 400

By Igor Khrupin, 8 years16 May, 2016 ago

Android Development

Google Maps V2 Clustering Sample

Here is my sample for Google Maps V2 Clustering Docs here: https://developers.google.com/maps/documentation/android-api/utility/marker-clustering#introduction App in action: Fork on github:

By Igor Khrupin, 8 years5 May, 2016 ago

Android Development

How to make single debug.keystore for whole android team or signing with Gradle

Problem happens when you have more than one developer in the Android team or you develop project from different computers. Some APIs or functionality depends on keystore which sign the APK. For example Facebook API. To make life easier you need keep your debug.keystore same for all your computers/developers. But, Read more…

By Igor Khrupin, 8 years5 May, 2016 ago

Android Development

Android Loop Tabs Sample

Here is sample for loop tabs in Android. Video with sample application in action Lets show how it works. 1. I have Tab enum which describe Tab element. Also you can handle tab state. I don’t do it in this sample. package com.hrupin.looptabs.infinitetabbar; import com.hrupin.looptabs.R; /** * Created by Igor Read more…

By Igor Khrupin, 8 years3 May, 2016 ago