android

Android: How to make launcher always open the main activity instead of child activity? (or otherwise)

I have activities A and B. The A is the one with LAUNCHER intent-filter (i.e. the activity that is started when we click the app icon on home screen). A launches B using startActivity(new Intent(A.this, B.class)). When the user has the B activity open, and then put my application into the background, and later my application's process...

Best way to access database from android

I am working on a Android app and I have a dilemma. I have a list of Objects. I have to update each of these objects with a database. I have 2 methods: Method 1: I can loop through the Objects. For each object I can connect to the server, update it, and then move on to the next Object, and so forth. Method 2: I can store th...

<embed> in HTML loaded by Webview Broken in Sense UI

I have a WebView that loads HTML that contains an <embed>. When loading in stock android (G1, NexusOne, Ion, etc) it looks fine and can be clicked on to watch it in the YouTube app. But when loading it using either the HTC EVO or Incredible (both Sense UI phones ) the space where the content should be is completely blank. Try this cod...

Android - Playing Mp4

I am trying to play video files from http urls in my app. Why is that my app plays only certain mp4 files (I tried 512k mp4 and it worked), and doesn't play some others? Here's the snippet of my code: mVideoView.setVideoPath(myVideoURL); mVideoView.setMediaController(new MediaController(this)); mVideoView.seekTo(currentPosi...

Select Text In Android

Is it Possible to Display some text say a story, in an ANDROID app which also enables the user to select some text and perform some operations on that text.. the main idea is to display some text and when the user selects some text(a word or a sentence) i need to get that text for some further operation on that text. we cant use text v...

How to find text file in android emulator?

Hi I am new to Android. I push files to Android device emulator. Image files are in Gallery and audio files are in Music. How can I view the text file in the android device emulator.( I heard android doesn’t come with Text Editor form stack overflow). I don’t want to open Text file I need to find if the text file is in the device or not...

Manually abort GPS updating in Android

Hey Guys, I receive updates from my GPS in this way: lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 5000, 0, locationListener); In my onLocationChanged(Location loc)-method I want now to abort updating GPS data by specific criteria... So how can I undo/disable the requestLocationUpdates(...) ? Nice greetings, poeschlorn ...

Problem loading a contents URL into a string

I've been using this method for a few weeks now as suggested on my previous question and the app now keeps crashing with a Protocol 443 error - something about unable to resolve the address. Worked fine when first installed and then just stopped. The same with on the device itself, worked fine until this morning and now the same issue?...

List all pictures in an Android device

What's the best way to list all pictures in an Android device? I'm not looking to let the user pick one (I believe there's an intent for that), I just want to list them all programmatically. A pseudo-code example would be much appreciated. ...

Is there any possibility to give a alert dialog at the time of open a file in android?

Is there any possibility to give a alert dialog at the time of open a file in android. I need to ask an alert dialog if the user try to open any file from the SDCard file (or) Phone Gallery files. ??? ...

non-static method cannot be referenced from a static context

I am modifying the source code here: http://thinkandroid.wordpress.com/2009/12/30/getting-response-body-of-httpresponse/ I get this error: non-static method getContentCharSet(org.apache.http.HttpEntity) cannot be referenced from a static context String charset = getContentCharSet(entity); This error is line 13 on the second box...

which view/widget can support zooming in android?

Hi everybody, I think my question is fairly clear, I would like to know if every kind of view can support zoom. I know that some have built in zoom controls like the MapView and the WebView, but how about a LinearLayout with some TextViews and ImageViews? I will edit this post to have a list of the answers. ...

android throw InvocationTargetException,How to modify the error

ActivityManager am = (ActivityManager)this.getSystemService(this.ACTIVITY_SERVICE); try { clearMethod = am.getClass() .getMethod("clearApplicationUserData", String.class, IPackageDataObserver.class); } catch (Exception e) { Log.e("Error", "Android Error",e); clearMethod = null; } if(clearMethod!=null){...

HTML5 <video> element on Android does not play

Video tags like below plays fine with iPhone, but not Android: <video id="video" width="320" height="240" poster="video/placeholder.jpg" autobuffer controls> <source src="pr6.mp4" type='video/mp4; codecs="avc1.42E01E, mp4a.40.2"'> <source src="pr6.ogv" type='video/ogg; codecs="theora, vorbis"'> </video> With the above code, Androi...

Problem in Setting image in imageview inside ListView in Android?

Hi, I have a listview which includes 2 textviews and 1 imageview. Now, the image in imageview will be set on certain conditions otherwise it should be left blank with no image. The problem is the images are not coming in proper rows. Say, for eg the image should be displayed at row 3 but its displayed at row 4. And, in some cases each...

Android: Access to an already paired connection

Hi community, I have a question on accessing already existing paired bluetooth connections... How can a remote service detect an already paired connection and await a file transfer from it? In all comments on stackoverflow, on tutorials, ebooks or on google there is always shown how to create a new connection using sockets and so on, b...

Intent that opens "new calendar event" activity

In my app, I want a functionality to create calendar event. I open "new calendar event" activity like this: Intent intent = new Intent(Intent.ACTION_EDIT); intent.setType("vnd.android.cursor.item/event"); intent.putExtra("title", "Some title"); intent.putExtra("description", "Some description"); intent.putExtra("beginTime", eventStartIn...

Problem Showing Sensors Details

Hi, i'm looking to show detail about sensors in an Actvity but when i put my app in to my phone i manage to view only details about the accellerometer, but the program says that i have 4 sensors: Accellerometer, Magnetic field, Orientation and Temperature. I'm using Android 1.6 and a htc Tattoo for testing. This is my code: public cla...

split the screen into two parts

Hi all, I need to split the Android screen into two parts and run 2 applications (app A and app B) simultaneously. App A will run on screen 1 and App B will run on screen 2. Both are visible to the users. I need to implement this thing in the Android Framework. I do not know much about the android framework and this is urgent and sh...

Activity ignore intent's extra fields

For example, In an ActivityA there's a button to create an Intent that will start ActivityB in a new task, like this: Intent i = new Intent(this, ActivityB.class); i.setData(Uri.parse("http://www.google.com")); long timestamp = System.currentTimeMillis(); i.putExtra("ts", timestamp); i.addFlag(Intent.FLAG_ACTIVITY_NEW_TASK); Log.d(TAG,...