android-4.3-jelly-bean Questions

1

I'd like to read the data from a specific characteristic of my remote BLE device to my Android tablet Nexus 7. The problem is that, I can receive the data by enabling the notification of that char...

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I need to hide my application screen from the list of running applications when you click the Recent Apps button in Android 4.x. The data that my application contains could leak sensitive informati...

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I implemented a WebView with images taken from the web. On Android 4.3 there's no problem. On Android 4.4 kitkat, the displayed images are too big. How do I solve that?
Brownie asked 12/2, 2014 at 10:59

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I'm experiencing a really peculiar bug with an XML layout file when building my application while targeting API level 18. It doesn't happen with API level 17. I'm running the application on Android...
Littlefield asked 11/9, 2013 at 20:55

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I am using a Nexus 7 which is updated to Android 4.3. I have an application which requires Device Admin rights to Lock/ Wipe device. I have given Device Admin right to my application on Owner Profi...
Lidalidah asked 23/9, 2013 at 13:19

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I recently upgraded to Android 4.4 and someone of the features of my app have surprisingly stopped working. I have this code for initializing and then drawing my custom view. The basic idea is it ...
Guadalupeguadeloupe asked 6/12, 2013 at 18:48

1

I am developing an android application where I have to connect to Bluetooth device on Android 4.3. The goal of this APP is BLE Anti-loss, it can make the buzzer beep on the remote device and I wan...
Moonmoonbeam asked 18/10, 2013 at 2:40

1

I receive from a web service(made by myself) an RSA PrivateKey PKCS#8 encoded in a base 64 String. My Android app must save this key somewhere into the phone securely. From the 4.3 version of Andr...
Blaise asked 21/11, 2013 at 18:31

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How to pair a Bluetooth Low Energy(BLE) device with Android to read encrypted data. Using the information in the Android BLE page, I am able to discover the device, connect to it, discover service...
Brookebrooker asked 12/8, 2013 at 22:5

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In attempting to read the value of a Bluetooth Low-Energy GATT characteristic in the Android API 18, I came across the following dilemma: What is the proper way to retrieve the value stored in a ch...

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After installing the newest ADT & SDK of Android to support API 18, I've noticed that all of the API demos are now considered "legacy". Here's a screenshot: How come? I've noticed that eve...

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I am developing an application where I have to connect to Bluetooth device on Android 4.3. And I want to get the battery level by using Battery_Service and Battery_Level. public class BluetoothLe...

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Recently Android added the ability to connect to EAP WIFI with API 18 (JellyBean 4.3). I have looked for a number of examples, but can't find any examples, and I can't get my code to connect. Every...
Rickierickman asked 3/10, 2013 at 22:29

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I have two peripheral devices, say device1 & device2 and one Android device for central role. Android can connect to both by BluetoothDevice.connectGatt() method with autoConnect = false. Prob...
Pesticide asked 4/10, 2013 at 13:10

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I'm using a Nexus 7 running Android 4.3. Two directory paths on this device are confusing me: /storage/emulated/legacy /storage/emulated/0 If I call new File(<path>).getCanonicalPath() for...
Backsaw asked 28/9, 2013 at 16:28

3

I have a simple script that downloads database from phone to my PC it uses 'run-as', it worked well, but now, run-as says 'package is unknown' my application is installed on device, nothing changed...
Raddatz asked 3/8, 2013 at 11:13

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I have the following problem. We have created a Game Center Application that provides a framework to create ad hoc wifi games and manages the highscores / encounters of such games. Database access...

3

I have an issue with Android's webkit browser Items in select-multiple disappear when they are selected I couldn't find any solution on the web, neither nobody talking about this issue I made th...

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How do you capture Video by calling the Android camera app using an intent in 4.3. I had it working in 4.2 and below. Even Google's sample is broken. Is this a bug? Or has Google changed how they r...
Vaudeville asked 27/8, 2013 at 18:32

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I have just updated a Galaxy Nexus to 4.3 and enabled the new On-screen GPU profiling function, and see the following result for Android setup screen: According to the platform highlights: [Wi...
Wahl asked 25/7, 2013 at 9:29

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I downloaded the newest Android source code with repo, and attempted to compile it. An error message printed when I ran make -j4. Detail following: build/core/base_rules.mk:130: *** external/webrt...
Sonometer asked 4/8, 2013 at 3:49

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I am trying to understand the keychain concept in android 4.3 and I will really appreciate it if I can get a example to understand it.
Fuzzy asked 7/8, 2013 at 6:5

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After upgrading my phone to Android 4.3 I noticed the shadow below the actionbar is not showing anymore. In my app I've got a custom shadow using windowContentOverlay: <item name="android:windo...
Comedown asked 30/7, 2013 at 11:27

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I have followed http://www.youtube.com/watch?v=pdUcANNm72o and set up settings for my app. I have 10 Booleans that appear. This can be set and when in the profile called. However they are not ti...
Mallen asked 2/8, 2013 at 17:13

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I remember reading in the "Guide and Hint"-doc to the Samsung BLE API (archived page): One of the most important concepts of the Samsung F/W and stack is its synchronous nature. That is, if we ...

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