Android :: What Can Be Achieved In Native Mobile Application That Can't Be Done In A HTML5 Web App
Nov 24, 2010
I've talked to a lot of people recently who say they are expecting to stop writing native mobile apps and start writing web apps once HTML5 gets more fully baked in mobile OSs. I just finished my first HTML5 deep dive, and I'm not yet convinced.
Will HTML5 work as a replacement development platform for native apps, or are there certain things that require targeting the native runtime?
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Mar 13, 2014
I'm working on a mobile web application and all phones don't casue any trouble with the soft keyboard and input fields, but Android does (tested on a HTC One).
Here's the problem:I've got a log in page with a log in form. When and input is selected, the soft keyboard appears. The soft keyboard kicks some elements up, which causes the lay out of the page to break. On iOS and Windows Phone, the soft keyboard kicks the whole page, so basically the DOM or body up to make room for the soft keyboard. The Android browser, however, lets the body stay where it is and only kicks some elements up, which causes the lay out to break.
Normal page:
When input is selected:
What the desired effect is (achieved on iOS and Windows Phone):
I haven't used any position fixed, only absolute on the page wrapper, header and header logo.
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Apr 22, 2010
I tend to believe that developing mobile applications in an enterprise environment is best suited by developing intranet web applications. That said I have been asked to think about whether there are specific enterprise applications that could only be accomplished or would be more successful as native applications. I am curious as to what the Stack Overflow community thinks.
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Jun 13, 2010
I am looking for resources to develop HTML5 apps for iphone primarily. Are their frameworks and tools that I can use to get started? I am looking for: Javascript frameworks that help with UI layout Touch based controls for phones Articles on iphone development, best practices, etc.I searched stackoverflow and was not able to come up with a good list of resources. I am looking for examples like these http://jqtouch.com/
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Feb 29, 2012
i usually use Opera but its not working on the current ICS rom I'm using on my G2x, so in every ones eyes what's the best browser that supports Flash and HTML5 in your opinion and why, the current stock browser isn't cutting it for me.
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Nov 24, 2010
Does anyone know if there will be support for applications like that you download from the market to be written in canvas+javascript?
I know currently there is html5 and canvas support for the android browser but I am looking more for a solution for full screen games and such.
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Sep 17, 2012
How to get the html5 control id in android application.
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Dec 18, 2009
Does anyone know if Flash will be able to run independent from the browser? I mean native apps in Flash, not just the player in a browser. The Symbian OS can do that, however I have yet to find an article which explicitly states what will become available in the case of the iPhone and the Android platform. I am not asking about dates, as those are the most fluctuation prone variables. I am part of a web/mobile apps development company which is eager to use flash to make applications even richer in content and user experience.
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Aug 4, 2009
I want to prevent native application to receive message.I want that my application only receive message. Is it possible ? if yes then how ? can i access the received message and delete it ?
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Oct 7, 2010
Hello, I would like to create a zip file from files located on the sd card, I have managed to do that using java but I think that the result is too slow, so I thought of going native using the android NDK.
My questions are:
Does anyone know any C/C++ library to zip unzip files that will work on android?
How to know if the library will work on android?
will this make any difference on performance?
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Sep 7, 2009
How can i get notification when user send message from mobile?
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Aug 6, 2010
1 . can we get any event when user tap/touch native application(i.e. messaging,contacts).
2 . i know that any application launch by intent in android, there is any way to know which application launch with launch of application.
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Apr 23, 2009
I have a native application that I would like to start from a Java interface. Does anyone know of a good way of doing this? can start the application using adb, with no problems. I can also start the application using Runtime.exec(), but that doesn't work so well for me; I need the application to run outside of a Java Runtime Process. Any ideas?
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Nov 8, 2010
We want to migrate a huge complex native program to Android system ,running it as a background service accepting command sent from Java Program using JNI along with IPC. However, the Android NDK state following words:
Please note that the NDK does not enable you to develop native-only applications. Android's primary runtime remains the Dalvik virtual machine.
Does that mean we have no way to run an standalone native-only application on Android as a background service? The native code can only exist in the form of library that will be loaded to the virtual machine through JNI?
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May 16, 2010
The purpose of this discussion is to talk about how applications and usage settings have an impact on standby time. I think we can *all* agree that our Incredible spends more time in idle mode as opposed to actual screen-mashing, voice jabbering, finger pinching usage time. So if one person's battery drops 6% in an hour of standby, and another's only drops 1%, what is the problem? And more importantly, what is the solution?
Standby/Idle: The state of the phone when the screen is off. Pressing the power button brings the device out of standby and all functions are immediately accessible. Phone calls and notifications are possible in standby/idle. Off: The state of the phone when all radios and electrical systems are turned off. Pressing the power button initiates the boot sequence, where one must wait for some time before using the handset................
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Apr 8, 2009
I have developed bluetooth application where native library will be initiated by Java application (using JNI wrapper). JNI will call the entry function of the native library and then it will create Pthread to for scanning the device. Once Scanning is over, i will get the callback which i registered during the entry function of the native lib (called by app). But i haven't received the callback, but if i run the same native library in the shell (executable from the shell terminal) it is working fine. Can any one help me, if there is any specific architecture needs to follow while developing Java application based on native lib?
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Nov 5, 2009
I am trying to run a native executable from inside an android java application. The native executable exists in my assets. At start of activity, I copy it from assets to my application cache Dir. then I use Process Builder to run it.I tried to run "chmod 777" on the file and on cache directory containing it and I ensured permissions are granted using adb shell. but I still get this permission exception.
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Feb 27, 2010
I'm trying to follow the example from google: http://code.google.com/apis/maps/articles/android_v3.html
Using the example files from their SVN repo: (http)gmaps-samples.googlecode.com/svn/trunk/articles-android-webmap/
But although it seems to compile and export it fails; can someone sanity check that its not just me this fails for and any hints as to if its a quick thing to fix, I've been prodding it with try/catch for the last 2 hours to no avail.
Forgot to add
It Compiles and Uploads to the emulator (and to my phone) but running it just results in
The Application WebMapActivity (process com.google.android.examples.webmap) has stopped unexpectedly. Please try again. [Force Close]
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Feb 25, 2010
wanted to add a menu option in native email app in android . I have used intent filters but i am not successful in achieving it. Actuaaly i want to a menu option to the native mail application in Android.. so that my activity / app can be launced on clicking that option. This feature has been successfully achieved in Blackberry and even in android for gallery application. On android i have achieved it by using intent filters.
<activity android:name=".DisplayAlternativeMenu"
android:theme="@android:style/Theme.NoTitleBar">
<intent-filter android:label="My Activity">[code]....
This basically display an menu item"My Activity" when u press share in Gallery. and clicking on that launches my activity .But unfortunately it didn't work for Email Application. Looks like the pair of action & mimetype i am specifying is not correct. which action & which mimetype should be used. Also if there are any permission required,what are they?
My aim is to add an alternative menu while pressing menu in Compose Email(When a mail is composed) of the native email application
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Sep 29, 2013
I have been able to achieve WIRELESS display and audio mirroring with my AppRadio!
I just connected my adapter to the HDMI input, powered it via USB and then used the wireless display feature in the phone to connect.
I am using tasker to force landscape and manage screen timeout etc etc.
This is all really awesome but there is one major caveat, the display will mirror but I cannot interact with it through the head unit. How get that to work?
ADAPTER: Netgear Push2TV Wireless Adapter PTV3000-100NAS
APPRADIO: AppRadio 3 (SPH-DA210)
PHONE: VZW, MOTOROLA DROID MAXX
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Aug 4, 2009
I am migrating a c program from linux to android when lauch it in the shell everything is ok, but when I lauch it from UI with Runtime.getRuntime().exec(...), there is permission issue for the file change notification, also I know there is mechanism of permission on android, but I can not find related type of permission in Manifest.permission list.
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Sep 17, 2009
I am currently working on porting a application written in C in android platform. I need to know that can i invoke/call the getSystemService from the C application using invocation interface by JNI. Meaning using a .java file which will interact with the interace provided by the android.telephony.TelephonyManager.java for using getCallState() and other mehthods.
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Nov 4, 2010
This is what I'm trying to support. Can this be done?
a) User is an Activity A in my app. b) The user is taken to the native dialer when he chooses a particular action in my Activity c) User presses the back key d) Taken to homescreen
Is there a way I can change it, so the back key press returns him to my app, instead of native homescreen?
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Jul 2, 2010
I am facing in Android display system(Video Rendering using Surface Flinger Native APIs).
As for my understanding, Android display system relies on Surfaceflinger library( a system wide screen composer). Surfaceflinger runs as a service along with Mediaserver service, Camera service, Audioflinger and these services interact with each other through Binder APIs at native level. If any user application wants to access SurfaceFlinger native APIs, it requires Surfaceflinger Access permissions.
My requirement is that I want to create a SurfaceView at the JAVA level (Android Application level) and render video data to that Surface, means, pass video data to the Surface flinger library by invoking native Surface Flinger APIs. But, because of Permission Problems, I am not able to invoke Native Surface Flinger APIs from Application Layer.
Is there any ways to invoke Surface Flinger Native APIs from Application Level ?
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Oct 10, 2009
I am a android developer, I stuck into a problem, how to read really big images with Android API, I am wondering how native Gallery (Camera application) is reading bigger images so fast. can any Android Engineer here direct me to the piece of code that android engineer used to draw bigger images.
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Mar 8, 2010
I would like to reuse the exact same font-face etc... like Android uses in the PreferenceScreen
Here is a screenshot I am looking to reuse the title, and the summary style from these views.
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Dec 6, 2009
Are there any applications out there to take the place of the HTC phone display? It seems kind of clunky, unintuitive and easy to miscue to me. I was wondering since it seems like there are superior non-native apps for every other phone function, but I haven't found one for the phone itself.
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Jun 17, 2010
Its works flawlessly on my moto milestone with Rooted Stock ROM eclair 2.1
Download it here: Native IM application working with 3G + patch for GTalk losing messages [Feb 03 2010] - xda-developers
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Aug 19, 2010
OK I've been running the nightlys and they have been running fine except for the small issue that the native email app included in the ROM(s) never works. I'm trying to use my yahoo email account and when I open the app enter in my email and password I first get a prompt with: "Attention! Mailbox access is not supported for some types of Yahoo! mail accounts etc..."
Then I press OK and then get the initializing screen for "checking incoming server settings" then get a Could not finish prompt error stating that my user name or password is incorrect (which I know is correct and have tried numberous times)
I'm stuck using the lame Yahoo Mail app from the market at the moment, does anyone have a fix for this? Am I the only one experiencing it?
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Dec 21, 2011
I would like to change the Keep Alive Timeouts in the native SIP Application. I'm using a Nexus S with ICS. But I always get this error
Code:
I/ActivityManager( 152): START {act=android.intent.action.MAIN flg=0x4000000 cmp=com.android.phone/.CallFeaturesSetting} from pid 1745
E/MenuItemImpl( 1745): Can't find activity to handle intent; ignoring
E/MenuItemImpl( 1745): android.content.ActivityNotFoundException: Unable to find explicit activity class {com.android.phone/com.android.phone.CallFeaturesSetting};
have you declared this activity in your AndroidManifest.xml?
That's what i did:
-Check out Android Source with repo, Tag 4.0.3
-Edited frameworks/base/voip/java/com/android/server/sip/SipService.java
-lunch full-user
-make
-Copied the resulting Phone.apk and Phone.odex from out/target/product/generic/system/app/ to my Phone and fixed permissions.
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