android

how can i write code for store image in sdcard ?

Hi Friends, I want to store image in sdcard using android coding,Anybody know the code for image store in sdcard using Android coding.. Thanks All ...

how can i add scroll bar in grid view?

Hi Friends, I want to add scroll bar in gridview,How can i add scroll bar in grid view? ...

How do I refresh a ListView in Android - onItemClick, Alert shown with Edit Text

I have a a list view that shows: tag : 10 tagb : 20 When I click on an item, I get an Alert asking to change a value (EditText) I set the value and click ok How can I refresh the listview to show the change How can I manually change the row and put the new value there eg tagb : 122? BTW, The list of itemsand value comes from a resu...

Any ideas how to solve this problem?

I developing a system that consist of 2 units; 1 Android tablet and 1 iPhone. My users will have to identify themselfs to the Android tablet (this should be done as user-friendly as possible with as few steps as possible and in a secure manner, meaning it should not rely on gps that is not exact). I have looked at various techniques, but...

mailto: links unsupported in Android?

I dont have a real Android device so I'm using emulators for all my development for now, are mailto: web links really unsupported on Android devices 2.1 and below? 2.2 works, but every time I click a mailto: link on 1.6 or 2.1 even, I get an [unsupported action] dialog. Anybody with a real device want to test this out? ...

Few Questions regarding Android Kernel

Hi, I am new to android kernel and Mobile Operating Systems and I have a few questions regarding android kernel. 1) Does Android OS has Kernel Mode and a User mode like Normal desktop OSs ? Also does it support things like Virtual Memory ? Also I heard about Dalvik VMM. Is a copy of dalvik VMM created for each and every process ? 2) A...

Reseting the background color of a View

I'm trying to restore the background Color of a View. I have several selectable Views. When the user clicks one of those Views, the following code is executed and the View becomes Yellow: View newSelection, previousSelection; ... if(previousSelection != null) { previousSelection.setBackgroundColor(Color.BLACK); // problem here } ...

Expandable ListView and cursor adapter

I have a ListView which uses cursor adapter to show the records from database. When a new records is inserted in database ,it works great and shows that entry on top of ListView on requery. Now I am facing problem when User scroll down the List, background thread call web service and brings old data. In this case when it does requery, ...

GLSurfaceView swaps 2D bitmaps being drawn

I have an application that receives information from a database, and is used to visualize 2D bitmaps onto a GLSurfaceView. The information received will determine the x-position of the bitmap, and which bitmap image to use (there are 4 different bitmaps in my res folder to choose from). Below are the three classes that are being used. ...

Android ContentResolver: Pass the data with cursor without requery or get the exact executed cursor when querying from activity

Say, I'm having a ContentProvider (which in fact do not performs database call) and I want to pass some additional data (for example, call statistics) with the cursor to the caller: public class SomeProvider extends ContentProvider { . . . public Cursor query(....) { // I can not set extras for cursor here ...

Android Notepadv3 tutorial - Is saveState() in onSaveInstanceState really necessary?

I am only a beginner to Android, but I have noticed a number of things that seem a little strange in the third notepad tutorial: The tutorial explicitly states that you need to call saveState from BOTH onSaveInstanceState and onPause. Is this really necessary? It seems to me from reading the process life-cycle documentation that onPaus...

Eclipse Android design view of res/values/strings.xml not working anymore

This was working fine when I first started the project. I am referring to editing/adding to the strings.xml file. It used to display a design and XML tab that allowed me to update it. now its just showing up as a table. Any ideas? I don't understand how I could have messed this up. I did check in another project of mine and I am ge...

EditText view with Linkify enabled (autoLink="all") causes force close

Hi, I'm relatively new to writing android apps and cant seem to get Linkify working with my EditText View. I have a very simple application I'm using to try out some features, auto linking text. It's a single Activity with a single multiline EditText View. I have enabled Linkify in the main.xml (android:autoLink="all") so that any web, ...

Getting GUID in android-ndk

Hi, I am porting a VC++ application to android, and part of it requires using datatypes GUID. What would be a compatible type for Android NDK. I know Android provides support for UUID in Java framework, but I am interested in C/C++. Thanks! ...

Java last day of month problem

Hello, I'm trying to create a date range to cover a full month, i.e. [startDate; endDate] As such, I have a reference date and try to create a new date from it. I'm having problem with the "endDate" because I want it to be near the end of the day (i.e. 23:59:59). The code I'm using is the following: public static Date previousMonth...

List view under tab

package com.example.helloandroid; import java.util.ArrayList; import java.util.Arrays; import android.app.TabActivity; import android.os.Bundle; import android.view.Window; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.TabHost; public class HelloAndroid extends TabActivity { /** Called when ...

cursor position in a listview lost when move away from activity

I populate ListView with data from a Sqlite database using custom CursorAdapter. When user moves away from my activity and comes back later I loose the position in my cursor and the ListView is positioned to the first item again. When skipping startManagingCursor() it works as expected. How do I work around this? Here is a code snippe...

trouble running adb with Samsung Vibrant

First, I should mention that I am a beginner at Android development. I just bought a Samsung Vibrant and I'm trying to connect to it with adb. When I connect the phone and do a "adb devices" it didn't display anything. So, I checked device Manager and the phone was listed under disk drives. I tried downloading the adb driver for the ...

Is it possible to upload files directly to Amazon S3 using titanium appcelerator?

Im doing some research to build an iOS and Android app using titanium appcelerator. The only requirement I have not being able to confirm is the possibility to upload a photo directly to Amazon S3 in a way that is compatible with iOS and Android devices. ...

Android Maps get Scroll Event

Hi, i am currently developing an app with the Andoid Maps SDK. Now i would like to get a notice if the user scrolls the map to load additional markers from a server based on the new map center. I already searched for a function to register a listener but i didn´t find anything. Is there any way to get informed about map center change...