Android :: Force Horizontal Orientation Programatically?

Oct 4, 2010

My application has a portrait mode, and a landscape mode. I want the user to be able to force the landscape orientation by clicking on a button. How can I do this programatically?

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Android :: Create An App That Only Allows Horizontal Orientation?

Nov 20, 2010

I'm currently creating a side-scroller style game for my final year project for my degree.

I'm just wondering how you make the menu designed for when the phone is in horizontal orientation display, even when the phone is held in it's vertical orientation?

i.e. I want the user to know that the game has to be played with the phone in it's horizontal orientation and want the menu's to only display in the horizontal orientation.

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Android :: Layout Weight Is Inconsistent For Horizontal And Vertical Orientation

Apr 8, 2009

I have played around a bit with the xml files for creating layouts and can't explain the behaviour of layout_weight when using it in a LinearLayout that has orientation="vertical"

When creating a layout that is horizontal everything follows the documentation, that a child would get more space if it's has the highest value.

But the following code for vertical orientation, give more space to the item with lowest weight.

CODE:..........

And the question is: Is this a bug or just a feature that maybe need more documentation?

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Android :: Change View In Horizontal Orientation And Then Back To Portrait?

Sep 3, 2010

I want my view to change when it has changed to horizontal orientation code...

This works, but I want my layout to switch back when it is in portrait mode.

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Android :: Can Force A Specific Layout Orientation - But Have An Opposite Keyboard Orientation Android

Aug 19, 2010

I understand how to force a specific orientation per activity in the android manifest. I would like to know if it is possible to allow the keyboard to change orientation even though the activity(the layout really) must remain unchanged.

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Android :: Force Horizontal Layout ?

Jan 14, 2010

I'm pretty close to finished with my first game for Android, and I've come across a problem that's so simple I'm sure I'll feel stupid for not knowing how to solve it, but how can I force the app to stay in a Horizontal layout? Right now, if you turn the phone (emulator) it flips the graphics and squeezes them. I want the game to start horizontally and stay that way regardless of how the user turns the phone.

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Android :: Admob - How To Detect Horizontal Orientation And Hide Admob?

Nov 12, 2010

I am new to programming in Java and Android. I got admob to work at the most basic level, and whenever the device is at the landscape orientation, admob tends to popup and occupy a huge potion of the screen.What is the best way to detect the orientation and hide the ads from displaying if it is in horizontal orientation? Is it necessary to put the admob application in a thread to check for change in orientation and hide/unhide it?

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Android :: Any Way To Force Landscape Orientation?

Jun 3, 2010

I'm new to android and i was wondering if there's anyway to force landscape mode at all times. Another way of saying it, i never want to see portrait orientation on my device. Is there any settings or apps that will force landscape mode at all times (unless an app requires portrait)?

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Android :: Way To Force Screen Orientation To Landscape Right As Of Froyo?

Sep 24, 2010

We currently use Activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_x) to set (and 'freeze') the orientation of our app. Froyo now supports two landscape modes tho and we'd like to allow our users to orient the app to 'landscape right' ... ie, the orientation obtained by turning a device naturally oriented to Portrait 90 degrees clock wise.

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Android :: Force Screen Orientation And Destroy Call

Aug 27, 2009

I want my Activity to be always in portrait mode and I do NOT want the onDestroy() method to be called. There are some interesting articles about that at: http://www.androidguys.com/2008/11/24/rotational-forces-part-four/

The solution seems to be: In AndroidManifest.xml:

CODE:...............

I've tried it and it seems to work. Is there any other alternative or is it the correct solution?

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Android :: Orientation Change - Dialog Above Activity With Fixed Orientation

May 14, 2009

I have created an activity for my game which handles all orientation changes by itself and has a fixed "portrait" layout. Actually it uses the accelerometer and is rendered using 2D canvas methods. If the level has been completed I show up a highscore dialog in which the user can enter his name. The dialog is floating above the underlying level screen which gets blurred out nicely. This generally works.

Problem is that the dialog does not get rotated if the orientation of the phone changes. So even if the keyboard is exposed the dialog is shown in portrait mode instead of landscape. I have tried to use an activity with dialog theme instead but the behavior didn't change. After several tries it seems that I have found the reason for this: Once there's an activity with fixed orientation in the activity stack then all subsequent activities keep this orientation, too. They will not react on orientation changes anymore (e.g. if the keyboard gets exposed).

After upgrading to 1.5 SDK the described behavior changed a little bit. Now at subactivities indead react on orientation changes like expected. However, the need to have an opaque background! That means that neither dialogs nor activities with dialog theme will work. Those will stick with the orientation of the underlaying activity. So my workaround is to first start a sub-activity with an opaque black background. This activity then shows my highscore dialog on top. It looks quite okay but I wonder if there's a better solution? Is it possible to show a dialog above a fixed portrait or landscape activity which automatically adapts to orientation changes?

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Android :: Using Orientation Sensor To Get 360 Orientation

Jul 17, 2009

I have a problem with working with the ORIENTATION values of the SensorManager. I would like to have some kind of 360-value which directly shows me if the phone is in normal portrait (0), landscape, portrait turned around (180) or anything in between. So I could have, for example, an arrow that points to the floor (like gravity would do with a plummet) all the time, no matter how I tilt (sidewards) the phone. I thought this would be easy, but I'm pretty confused at the moment.

First of all, the X value of the orientation-array seems to correspondent with how I turn the phone, BUT: if it's completely uprightly standing, this value is about 60 ... why not 0 (or 90, 180, 270), as I would expect?

Second: The value resets if I turn the phone and Android automatically changes screen orientation. So both in Portrait and in Landscape mode it will be sth. like 60 when the phone is in a 0 angel in real world. I set "android:screenOrientation" to "landscape" but this doesn't help anything :/

I want the app NOT to change orientation when I turn the phone, but I want it to get a continuous orientation value when I tilt the phone.

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Android :: Update An Apk Over Air Programatically?

Jan 20, 2010

I have an application I wrote for Android (lat's call it MyMainApp).

My contractor wants me to write another utility (service) to periodically check his website for newer versions of MyMainApp, and if there is one - download it and install.

I know this is handled by the Market app, but my contractor wants to do it in his own utility (he does not want the user to be bothered with the update process).

Of course - the user will be notified and agree to this feature. Can this be done?

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Android :: How Do You Switch Activity Programatically?

Aug 28, 2010

It seems like every example I can find of switching between Activity's involves creating an Intent and passing in the context of a View via an OnClickListener associated with a button.But what if you just decide you need to switch Activity's? In my case, a Preference value is causing an Activity switch. How do you create an Intent that can cause an Activity switch without an associated OnClickListener?

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Android :: Possible To Clear Notification Programatically?

Apr 19, 2010

Is it possible to clear a notification programatically?I tried it with the NotificationManager but its not working.Is there any other way i can do it?

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Android :: How To Scroll Programatically ScrollView ?

Jan 8, 2010

I have a little problem with a ScrollView.I have a layout for an activity which is made with a ScrollView. This scrollview contains two ListViews.<?xml version="1.0" encoding="utf-8"?>
<ListView android:id="@+id/accountsListView"
android:layout_width="fill_parent"
android:layout_height="wrap_content" android:scrollbars="none" />
<ListView android:id="@+id/cardsListView"
android:layout_width="fill_parent"
android:layout_height="wrap_content" android:scrollbars="none" />
</LinearLayout>In onCreate method of my activity I compute ListViews height according there contents.During execution, on activity launch, ScrollView is already scrolled a bit.So I tried, at the end of onCreate to call method scrollTo(0, 0), but it does not change anything.

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Android :: How To Set The Wall Paper Programatically

Jul 10, 2009

I have To set Wall Paper In application by writing the code programmatically. when i press the Grid view Image will get full screen ..... that image i should keep as a wall paper in the android mobile screen how can i do that in programatically. I have done some thing like this ....is it correct or any other way to do it.

CODE:...............

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Android :: Programatically Set Dialog Size?

Dec 14, 2009

I want do set size (in px) of dialog based on screen resolution, so I have to set dialog size programatically during runtime.

Dialog layout is defined in xml with all standard views, so it would be nice to have better way to set dialog size than override-in top view's onMeasure(...).

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Android :: Possible To Programatically Disable Certain Functionality?

Jul 24, 2009

Are the following actions possible using the latest version of the Android API?:

Temporarily disable sending text messages
Temporarily disable receiving text messages

*Ideally, I would intercept them and queue them up for later delivery.
Temporarily disable incoming calls except from certain phone numbers
Temporarily disable outgoing calls except to certain phone numbers

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Android :: Set InputType For An EditText Programatically?

Apr 6, 2010

How do we set the input type for an EditText programatically? I'm trying:

mEdit.setInputType(InputType.TYPE_TEXT_VARIATION_PASSWORD);

it doesn't seem to have any effect.

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Android : How To Remove Apps Programatically?

Jun 29, 2010

Is it possible to remove an application programatically? If so, shall I look at the package manager for that or is there an example some place? When a package is installed, I believe there is a broadcast message to the system saying that. Is it possible to capture that broadcast message?

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Android :: Set A New View's Margins Programatically

Sep 4, 2010

I have a FrameView that's created in my XML layout, and in my code, I'm trying to create a series of new ImageViews and add them as children of this FrameView. The ImageViews are small, only about 15 pixels square, and I want them to show up in various positions around the FrameView (I'm trying to implement what looks like a radar screen). I'm able to create them and add them just fine, and they show up on the screen.

However, when I try to set their margins, it doesn't seem to have any effect. No matter what I set, all the ImageViews show up in the top left corner of the FrameView, as opposed to offset by the appropriate margins. My XML layout is listed below, along with the code that generates the child views. Am I doing something wrong? How can I get the margins to show up properly? Or is there a better way to do this than by using margins.

XML:

CODE:....................

Java:

CODE:...............................

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Android :: Programatically Scrolling An EditText

Feb 13, 2010

I'm writing a simple caesar-encryption-activity. Two EditTexts on screen, one clear-text, one crypted.

Here's an example for the crypted EditText - the cleartext one is similar.

CODE:...................

Now when entering cleartext I have an TextChangedListener running that programatically crypts and fills that crypto-EditText. So far, so good.

When the cleartext entered gets really long, the cleartext-EditText scrolls with my imput, but the crypto-EditText stays at the top of the text. I'd really like the crypto-EditText to scroll so that it always shows the bottom line of its content.

How can that be done, preferably from the onTextChanged()-Method of the TextWatcher?

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Android :: How To Programatically Push My App To Run In Background

May 31, 2010

How can we programatically push our app to run in background? I am doing one browser app. and when I am directly launching my application and clicking back key . It will show in the list of background running process.At this time Category is "CATEGORY_LAUNCHER" but at the same time if we try to run same app via third party app.and then clicking back key,its not showing in the list of background running process.Here the Category is "CATEGORY_BROWSABLE".and its not displaying in the list of running process.I noticed that the same behaviour in default android browser. But is their any way to make my app to run in background by clicking back key without killing my application?

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Android :: Add Menu Icon Programatically

Aug 6, 2009

In menu.xml you can specify an icon:

CODE:.................

Whereas in code you create entries thus:

CODE:........

How in the code version do you specify the icon please?

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Android : How Do You Capture A Screenshot Of Your Own App Programatically

Sep 29, 2010

I know you need root access if you want to capture a screenshot by using a background application. However is it possible to just grab the screen content of your current visible activity owned by your process? This does not seem like a security constraint since the user has already installed your app is currently using your app. If so how does this work?

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Android : Create TableLayout Programatically?

Oct 7, 2009

I'm trying to create a TableLayout programatically. It just won't work. The same layout in an xml file works though. Tcode...

When I run this, I don't get a crash, but nothing appears. If I get rid of the TableRow instance, at least the button does appear as a direct child of the TableLayout. What am I doing wrong?

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Android :: Add Permissions To App Manifest Programatically?

Nov 19, 2010

I am trying to add permissions to my application manifest, so it can access other apps that the user installs at runtime. I thought the way to do this was to define a permission-tree in the manifest, and then use PackageManager.addPermission() to add permissions under that tree. However, I can't get this to work and the documentation I found wasn't conclusive. Could anybody show me how to do this by means of a simple example?

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Android :: Change SMS Ringtone Programatically From A Raw Resource

Mar 1, 2010

I want to change SMS ringtone programatically from a raw resource but I don't find any example to do it.

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Android :: Unlock Screen Lock Programatically

Apr 21, 2009

We are writing an app to substitute screen/pattern lock on G1. Unfortunately, it is impossible to substitute the original screen lock app with a 3rd party one. The only option left is if we can UNLOCK the phone from a service running in the background when G1 is locked. Is it possible? Is there interface to Pattern/Screen lock? What is KeyguardManager for?

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Android :: How Can I Programatically Launch Browser In Phone App?

Apr 23, 2009

How can I programatically launch Browser in my android application? And how can I do that with it opens an URL instead of home page?

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Android :: Programatically Connecting To Another Network Operators

Mar 3, 2010

I am trying to do a little app to list and connect to other Network operator.I list them by going to:
Settings
Wireless Controls
Mobile networks
Network operators
Search networks
And I connect to other Network operator by clicking on one of the list.I've been searching methods from ConnectivityManager but I don't find something like connectTo() .Any ideas of how I can do this?

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Android :: How To Create Text File In Programatically?

Jan 25, 2010

Actually I am new to android. I want to create a .txt file programatically, save data to it and then retrieve the data. I had write one application for that but when I run it it creates file under data/data/ <myPackage Name>/files folder , I can see only size of this file but I can't open it. but when I deploy the application on mobile then there is no any file created. If i supplied path like FileOutputStream fOut = openFileOutput ("/sdcard/ deore.txt",Context.MODE_WORLD_WRITEABLE); then it throws Exception. So, please tell me where the actual file is saved under the phone and how to open it.

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Android :: Check GPS Enabled On Phone Programatically?

Oct 17, 2010

I want to check if GPS is enabled, but I dont know how to do it. i mean with a function, in android

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Android :: How To Programatically Refresh Gallery View?

Sep 17, 2010

I want to programatically refresh Gallery every time I download a video from my application. It doesn't automatically show up in the gallery.

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Android :: Programatically Layout A Button View?

Oct 28, 2010

I am trying to programatically define my program layout and add a button to it at a certain position. I am not using the layout xml as the content view.I have then added a button that I want to apply the properties

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Android :: Programatically Determine The Value Of Call Timer?

Sep 23, 2010

Is it possible to programatically determine the value of the call timer as displayed by the phone dialer in real-time during a call (the call duration is available via the call log but this value does not appear to be updated until after the call ends).

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Android :: Notification On Dead Of App / Restart That Programatically Again?

May 13, 2009

How to get a notification on dead of my application.Android is killing my app after every 40 mins. Is there any way to restart the App programatically again?

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Android :: Programatically Selection Of 3G Network Connection In G1?

May 11, 2009

I'm working on some data transmission program and current it works alright on WIFI connection.

However, I understand that if I am in an environment where there are both 3G and WIFI coverage... the phone will (by default) be turned onto the WIFI network connection.

However, if for some reasons, I wish to be connected directly to 3G (e.g. 3G is more stable in public WIFI area).... is it possible to do so programatically on the Android phone? If i'm not wrong, it's possible using the ConnectionManager API, am I right?

May i ask if anyone has done something like that and don't mind sharing the code snippets to do so , or point me to the right direction for this?

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Android :: Setup Unique Id To View Programatically?

Oct 28, 2010

I have checked setId() method of the view, it accepts integer parameter. But there are possibilities of assigning same id to different views, which may create problem for me while i do findViewbyId().

My question is "How to set unique id to the view programatically?"

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Android :: Programatically Starting The Add Account Activity In 2.2

Aug 26, 2010

I've been experimenting with the Android SDK over the past few days, in readiness to write an App for the store, however I've run across a bit of a problem.

The App I'll be writing requires that the user has a Google account associated with the phone. Retreiving and making use of the Auth token etc was not a problem, however I would like to be able to show the activity that a user would normal reach by going through the menus Settings->Accounts->Add Account.

Now through experimentation I've been able to launch this activity from the shell using the following command. am start -n com.google.android.gsf/.login.AccountIntroActivity

I'm having trouble performing the same action in JAVA using the Intent class.

Would anyone be able to tell me firstly whether or not this can be done via JAVA, and secondly how I could go about it please?

If I have to settle for the Sync Settings screen then I will (this can be achieved through the Settings.ACTION_SYNC_SETTINGS intent), however it'd be quite nice to be able to direct the user straight to the required screen.

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Android :: Setting Focus Programatically In ExpandableListView

Aug 28, 2010

I have subclassed ExpandableListActivity to create an activity that presents a simple tree view of the 'world at large' and allows the user to select one for further use by the app. I am having trouble setting focus programatically. One thing that baffles me is that I can use the D-pad to set focus on any of the child or group items in my ExpandableListView, but inside my onChildClick() callback, isFocusable() returns false. If I can set focus with the D-pad, how can isFocusable() return false?

My goal is to avoid having the user have to touch individual ExpandableListView entries to select them and to provide a couple of buttons to move the focus up and down inside the list. I want selection to be easy for folks with no D-pad or with a phone that only presents the D-pad when in landscape mode (e.g. Droid) .

Is there some way I can programatically inject D-pad key clicks into my app input event stream?

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Android :: Adding Item To View Programatically?

Nov 8, 2010

I am trying to find out how I can add an item (from xml drawable/workaround_item.xml) in a LinearLayout that is vertically aligned.

CODE:.........

At the beggining I was trying to use a ListView but as far I as know there is a bug using listview inside a scrollview. I was doing this because i have more components on the view that should be scrolled together with the list view. So I decided to remove the listview and implement a simple linear layout where i will be adding each element bellow other and so on.

The layout for the activity is as folow (layout/workaround.xml) and i would like to start adding the elements below the top bar.

CODE:........

Thats my java code:

CODE:......

Thats the result i am getting: http://twitpic.com/3562yu

Does android allow us to do this? If so, Hoe can I add the elements and set their values? (this layout will be dispalying results of soccer games).

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Android :: Delete Any Private Data Programatically?

Feb 15, 2010

Is there some simple way to remove any private data (such as contacts, calendar items, media) from Android phone programatically?

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Android :: Can I Reset Droid Device Programatically

Feb 12, 2010

Is there some way to reset android device programatically? I'm looking need some way to delete any private data (contacts, calendar items, media) from the phone.

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