Questions tagged by "android"


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Accessing UART serial console on Google Nexus 5 phone
9 months ago • alex@qrid
How to access UART serial console on Google Nexus phones, specifically Nexus 5 aka "bullhead"? Thank You!
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Android API for APDU over USB - communicating with smartcard / secure element in a USB form factor from Android App
12 months ago • alex@qrid
How to communicate with smartcard / secure element physically connected to Android device over USB? Thanks!
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Android API to communicate with SmartCard reader over USB port
12 months ago • alex@qrid
How to programmatically access PC/SC compliant smartcard reader from Android App? The smartcard reader is physically connected to Android device through the USB port. Thanks!
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Secure Element with JavaCard connected to Android Phone over USB cable
12 months ago • alex@qrid
We are looking at implementing a hardware security token with Secure Element (SE) with JavaCard smartcard connected to Android Phone over USB cable. In this design Android phone will be acting in a "USB host" mode. Looking for a list of SE chips or smartcard manufacturers who provide Secure Element chip in a USB form factor. Thank you!
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Android Wakelock troubleshooting - identifying the app that is preventing the phone from going into sleep mode and fast draining the battery
12 months ago • alex@qrid
My Nexus 5 sometimes drains from 100% chage to zero overnight. This only happens occasionally, and I am assuming some of the apps is not properly handing Android wakelock preventing phone from going to sleep. This assumption is confirmed by the following screenshot (Android KitKat 4.4.4). It shows 9 hrs of "keep awake" time and only 19 minutes of "CPU total" time. Question: how to find out what app is holding that wake lock preventing the phon ...
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Android Emulator - how to connect to the website running on a localhost hosting the emulator?
2 years ago • alex
From the Android Emulator's built-in web browser - how can I connect to the website running on a localhost that is hosting the emulator?
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Is there anyway to hack a WiFi network (find the WiFi password) with my android phone?
2 years ago • Glamboy
I want to hack a wifi network and find it's password with my android phone, Is it possible?
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Error:Could not run build action using Gradle installation 'C:\Program Files\Android\Android Studio\gradle\gradle'
2 years ago • lampego1@qrid
I tried to build my android project in Android Studio and got this error: Error:Could not run build action using Gradle installation 'C:\Program Files\Android\Android Studio\gradle\gradle-2.4'. Please, help.
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I forgot the pattern lock of my android phone ? Is there any way to unlock my android phone without factory reset?
2 years ago • Glamboy
How can I unlock the "pattern lock" of my android phone without factory reset or wipe all data ?
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Programmatically check if Android phone has TEE and what TEE vendor it is - Trustonic, OPTEE, Qualcomm's QSEE, etc?
2 years ago • alex
Some features of my Android app are depending on a TEE (Trusted Execution Environment / ARM TrustZone) being present on the phone. How from my Java app can I detect if this phone has a TEE installed, and if so, what vendor's TEE it is? Thanks!
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Virtual TEE emulator compatible with GlobalPlatform for secure app development
2 years ago • alex
Is there any free TEE (Trusted Execution Environment) software development environment / emulator / Virtual Machine that is compatible with GlobalPlatform TEE specifications? So people could learn how to develop TEE trusted apps and client apps without buying any expensive SDK and hardware development boards from commercial TEE vendors?
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How can I download videos and pictures in Instagram android's App ?
2 years ago • Glamboy
As you know, in Android official App of Instagram , you can't download videos and pictures directly to your phone's gallery. Is there any way to do it ?
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free In App purchase in android ?!
2 years ago • Glamboy
How can I do In App purchase in android games and programs for free ?
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Where to download older Android SDK with Eclipse ADT plugin bundle
3 years ago • alex
Not yet ready to migrate older apps to Android Studio, so still need to install Eclipse with ADT plugin on a new laptop. Tried to find Eclipse / ADT bundle download links at developer.android.com website to no avail. It seems like Google have removed older "Eclipse bundle for Android" downloads from developer website. Where can I download final version of Android SDK with Eclipse ADT plugin bundle? Thanks!
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How can I restore Bitcoin Wallet on my phone with Android
3 years ago • kulibin
I am using a mobile Bitcoin Wallet app by Andreas Schildbach. Now I need to restore my wallet because I have lost my phone. I am lucky that I have made backup of my wallet earlier. However I cannot figure out how to do a wallet restore. Please advice!
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How to extract APK file for the app already installed through Google Play
3 years ago • alex
Problem: I have 1st phone that does not have access to Google Play, so I need to physically download APK files in order to install new apps on that phone I have another phone that DOES HAVE Google Play, and I have installed the app in question on that 2nd phone Question: How can I get APK file from the 2nd phone and move it to the 1st phone? Thanks! .
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How to remotely control old android from new android
3 years ago • boris
I have an older android that has HDMI connection and I can connect it to my TV, I want to be able to send video or music to it so it will play (so I don't have to buy another device like chromecast). Any ideas? The android on the old device is pretty outdated and I cannot update it since hardware limitations, so keep it in mind when suggesting something it should be able to install on gingerbread with apk
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Programmatically check if Android phone supports Trustonic TEE
3 years ago • alex
I am developing an Android app (Java) that relies on Trustonic TEE. How can I programmatically check if user's Android phone supports Trustonic TEE? Thanks!
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Trustonic TEE global market share?
3 years ago • alex
Is there any way to estimate Trustonic's TEE market share among Android phones in use globally around the world? I.e. what percentage of Android phones in use have Trustonic TEE support built-in?
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List of Android phones supporting Trustonic TEE
3 years ago • alex
Please help me build a list of popular Android phone models that support Trustonic TEE! Thanks!
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