Android : Receive Event When View Is Actually Displayed On Screen?

Jan 19, 2010

As known, when using the setContentView() method, a view can be displayed on screen.

My question is whether there is a way to receive an event when the view is actually displayed on screen (since it takes some time for the view actually being displayed after the setContentView() method has been called).

Android : Receive event when view is actually displayed on screen?


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Android : How To Receive Hardware Key Event

Nov 25, 2009

I have a text view and launched soft keypad above it. Now what I want to do is that when the user presses the HARDWARE CLR button, the activity should receive the CLR key event. But my activity can't receive the event. Just soft keypad disappeared. Is it normal behavior? Is there any way to receive the hardware key event?

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Android :: Receive An Event Via Broadcast?

Nov 9, 2010

Is there any way to receive an event via a broadcast or any other way when new activity starts or any task in android?

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Android :: Send Event From First Activity / Receive On Second

Apr 29, 2010

I have two activities. The first activity display list of the users with short info. And after select some user I go to the second activity for display full info about this user. For send event I used startActivityForResult(); for receive event in socond activity and added public void onActivityResult(int requestCode, int resultCode, Intent data). After start project I send intend from first activity and I do not receive in the second : How I can receive sent event in second activity.

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Motorola Droid X :: Yahoo Notifications Not Being Displayed When Receive Email / Show It Up?

Nov 6, 2010

Anyone noticing their Yahoo notification not showing up in the bar when they receive email? I get the sound, but there is no icon displayed in the bar. When I pull the bar down, I see the message title, but the icon does not appear.

Also, I've noticed on the Messaging app, that the Yahoo icon is missing the purple Y. The icon is just a generic looking envelope. Something has changed with the account. Battery pulls or logging in or out of the account have not helped either.

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Android :: Set Focus On A View When A Layout Is Created And Displayed?

Jan 27, 2010

Currently, I have a layout which contains a Button, a TextView and an EditText. When the layout is displayed, the focus will be automatically put on the EditText, which will trigger the keyboard to show up on Android phone. It is not what I want. Is there any way that I can set the focus on TextView or on nothing when a layout is displayed?

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Android :: Get Respective Value From A Database Table Where One Of Column Values Are Displayed In List View

Nov 24, 2010

I have created a table named train_table in SQLite database with 3 columns. they are train_id, train_no and train_name. Now, i wrote a class in which i displayed the train_name in a list view. how do i get the related train_no in the next page? can anyone help me in sorting this problem.?

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Android :: Name Of Spinner Event's View?

Jul 25, 2009

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Android : Way To Detect Event From Web View?

Jan 26, 2010

I am developing an application which requires cancellation survey when user tries to deactivate application service. Cancellation survey i am using the third party survey software http://wufoo.com/gallery/templates/surveys/cancellation-survey/. I am able to render the survey (third party html) web view in my activity.When ever the user presses submit button on WebView, activity need to store the status of survey(like user successfully submitted or not). Is there any way to detect the event from web view?

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Android :: Way To View Or Edit Calendar Event With Uri

Mar 5, 2010

is there a way to view or edit a calendar event with a uri. like content://contacts/people/3 works to view/edit a contact.

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Android :: Onclick Event Works Even On Top Of The Another View

Jun 5, 2009

I am facing some problem Like:

Scenario:Three buttons enabled by on click event.

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My problem is... when i am clicking on sliding drawer ... the below button is activated and accordingly it goes to next activity...

Means ... i expect if one view is on top of another view... the lower view should not work.

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Android :: Get Touch Event In Any View (droid)?

Oct 19, 2010

I need to make a service that capture all touch events, not in a specific view or when an specific activity is open. This service is started when the boot is completed (and I have an app to stop/play this service when I want it). So it write something (in a Toast) when the user touch any place in the screen.

Can I do this? Or only in specifics things (with OnTouchListener and adding specifics views, for example)?

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Android :: Xml View Defination To Take Event Handler Class Name

May 2, 2009

Instead of finding the button (as per the id specified in xml) i.e

CODE:.....

Is it possible to set the Listener class name directly in the xml definition. Most of the time dealing with id's for attaching listeners is affecting our productivity.

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Android :: Key Press Event Change Value Of List View In Droid / Need Example

Nov 18, 2010

I have editbox and list view .I am adding the company name in list view .I have the requirment suppose if user type 'A' in editview .i have to display only A value in list view and if user type ab in editview I have to display ab value in list view at the time of key press event i have to change the value in list view in android. can anybody give example?

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Android :: Haptic Feedback: OnClick() Event Vs HapticFeedbackEnabled In The View

May 13, 2010

If you want a button to provide haptic feedback (ie, the phone vibrates very briefly so you can feel that you really pushed the button), what's the standard way to do that?

It seems you can either explicitly set an onClick() event and call the vibrate() function, giving a number of milliseconds to vibrate, or you can set hapticFeedbackEnabled in the view.

The documentation seems to indicate that the latter only works for long-presses or virtual on-screen keys: http://developer.android.com/reference/android/view/View.html#performHapticFeedback(int)

If that's right, then I need to either make my button a virtual on-screen key or manually set the onClick() event.

Also, if I want the vibrating to happen immediately when the user's finger touches the button, as opposed to when their finger "releases" the button, what's the best way to accomplish that?

Related question: [url]

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Android :: How To Pass Touch Event To Application Behind Translucent Input View?

May 5, 2009

How to pass the "Touch" event to the application behind the translucent view? The view is an input view (IMF, implemented by "InputMethodService.setInputView()"). Need help.

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Android :: Get Event Of List View Field When Adding Checkbox In Listview

Apr 21, 2010

i have problem to get event of list view field when i am adding checkbox in listview. my problem is to get the status of check box form every row of the list view, either it is check or not, according to that i have to do operation.

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Android : Event Like *ScrollFinish()* To Get Actual Size Of Web-view When Scroll Finish?

Jun 16, 2010

I have a web-view with Html content.I want to calculate height of web-view when it is scrolled.

The method *getScrollY()* can return the Y scroll but the problem is that when I scroll web-view 2-3 time continuously it takes some time in scrolling.

I just want to know if there is a way to get event like *ScrollFinish()* so that I can get actual size of web-view when scroll finish.

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Android :: Way To Get Splash Screen Displayed ASAP?

Aug 21, 2010

I have a splash screen/loading screen that has .setVisibility() to GONE right after the draw call of my large bitmap is completed. The problem is the splash screen takes a bit to popup which i believe is due to the main activity booting up and doing CPU intensive applications on first run. Is there a way to get my splash screen displayed ASAP? Would it be ok if i had it in a different thread maybe? The splash screen is just a bitmap with a progressBar right below it. My layout is xml based so i cant see myself using setContentView.

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Android :: Get Foreground Activity Displayed On Screen

Apr 22, 2009

Is it possible to get listed the apps or activity which are actually displayed on the screen of the android mobile. I need to display a text box on some event when no acitivity is displayed, excepting the home screen.

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Android :: Weather Displayed On The Main Screen?

Sep 22, 2010

Will i get charged for having the weather displayed on the main screen?

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Android :: Load Only Markers That Would Be Displayed On Current Screen?

Aug 5, 2010

Using Google Maps on Android does anyone have any ideas on how to load only markers that would be displayed on the current screen? I'm thinking about sending a request to a web service that returns the lat/lng for the relevant markers. But what would the parameters be that I could use to calculate if a given lat/lng is within the screen?

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Android :: Toast To Be Displayed At Specific Points On The Screen?

Jul 15, 2009

I want my Toast to be displayed at specific points on the screen. How do i do that?

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Android :: Geocoder - Nothing Is Displayed On Screen Whenn Run Application

Oct 26, 2010

I have written the code for geocoding..but unfortunately it does not work ie nothing is displayed on screen...i am attaching the code...is the fault in the code..

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

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Android :: Blank Screen Displayed After Downloading From Browser

Dec 16, 2009

We are developing an application that requires a download of a music file (mp3). We are using the Browser Activity for the same.

The Browser Activity is invoked from the application and the download url is passed to it, like: startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(downloadurl)));

However, after downloading, on the download list page, if we press the Back button, a blank white screen is displayed. Only after we press the Back button a second time on this white screen, the application screen is displayed. This happens because the Browser Activity view is displayed before the actual downloading starts.

This is an issue in the application flow. We need to manage the flow in such a way that the 'Back' key press on the download list view will take the control to the application screen instead of the white screen.

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Android :: How To Access Programmatically What Is Displayed In Lock Screen

Feb 15, 2010

Today I am looking for a way to mimic the behavior I know from my HTC Hero's lock screen: the calendar and alarm clock can put text & drawables there to inform about an upcoming event or an expired alarm. The lock screen remains there in that it must be dragged down to dismiss the shown event and there might also be a Snooze button.

But, first question: is this default Android stuff or HTC Sense specific only??
Second question: If it is a common Android thing, why can't I find anything in Google's Android documentation for the topics "lockscreen" or "lock screen" that comes close to my question? Where's the API for it?

My problem is: I want to inform the user immediately - even if I try a standard notification, the user with a locked screen will have to unlock it and drag down the notifications list to see & clear what's going on. sigh Putting an endlessly playing notification sound there is a hassle as it takes at least two swipes down to stop the sound playing!

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Android :: Activity Is Displayed After User Unlocks The Screen

Mar 31, 2010

I was wondering if anyone understood how to make your application be displayed when you unlock the screen. I have an application where the user turns on a Bluetooth device, it connects to the phone, and the user should be presented with a UI. Having them hunt for the app or using the notification menu is not a workable option (too much work and not the obvious behavior).

The problem is that:
When the screen is unlocked:
- you can popup the activity from the background service when Bluetooth connects to a device
- User is happy because the UI is right there

When the screen is locked:
- The application gets started but is destroyed
- User unlocks the phone and nothing is there but the homescreen

One work around would be to disable the keyguard when the application gets woken up but the nuclear option is a pretty bad option. I know the standard Android assumption is that you shouldn't do this. In the normal case this behavior is fine, but in this case I explicitly did something I want the phone to respond without adding more work for the user to do. As per Google's guidelines if you don't like this behavior there can be an option for you to turn this off or you can not use the application.

A few more details, so after looking at this a bit more the problem isn't necessarily that you can't have an activity running when the screen is locked, unlock and expect it to be waiting. That does work if you do something like the following: lock your device run an app through Eclipse while the phone is locked/off unlock and it will be waiting for you.

But in the case the Activity is already running and I'm brining up a new window (which happens to be a transparent one, saying you're connected and asking what they want to do).

The problem is that it gets killed

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

The setup here is as follows:

MyBackgroundService is a serivce that handles Bluetooth state (waits for connections, turns on Bluetooth if the user starts the app, etc.). It triggers a popup BackgroundPOPUP activity that runs a ViewFlipper.

MyBackgroundService starts BackgroundPOPUP through an intent.

BackgroundPOPUP is an activity with a Translucent theme (Theme.Translucent to be precise), it shows a ViewFlipper with some instructions and presents some options.

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Android : WebView - Not Able To Go Back To My Activity Screen Once The Content Is Displayed

Apr 9, 2009

Step 1: I am subclassing WebView and rendering html content properly. The intial content is very small with a div and image /link This is displayed in a LInear Layout along with a TextView and ListView. That is my first screen/activity of the application.

Step 2: When I click on a link on this webview, it goes through the webViewclient and expands to full screen to fit the content of the requested page.

After Step 2, I am not able to go back to my activity screen once the content is displayed. When I click on the back button to getback to my activity screen close my activity and goes to the phone's applications desktop. (i.e goes out of my application).

Step 3: In order to fix this issue, I stopped setting my own subclasssed WebViewClient. After doing this, the it seems to render the clicked page in a webView as subactivity. Now When I click on backbutton, it goes back to the activity screen. But, the issue now is, I am not catch event when a link is clicked. How can I catch click events in this case.

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Android :: Open Soft Keyboard And Associate It With Textview Already Displayed On Screen?

Jun 9, 2009

I want to open the virtual keypad without touching a text view . Can someone help me how to open a soft keyboard and associate it with a textview already displayed on the screen?

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HTC EVO 4G :: Froyo / Tapping Event To View Details Wiping Out All Reminders

Aug 3, 2010

I use Google Calendar to organize my life, and rely on the email reminders to keep me from forgetting events and to know when to act on them. With 2.1 I had no issues, Google Calendar was synced to the stock HTC calendar app on EVO. I had the calendar set to view in "agenda" mode. Now since updating to Froyo, when I open the calendar app in agenda mode, the events have bell icons to the right of them, this is new. If I tap the event to open it and view the details of the event, when I return to the main agenda viewing mode of the calendar the bell is gone.

The phone then syncs with Google Calendar, and deletes all of the scheduled Email Reminders that I have set up for the event. This was not a problem with 2.1. No bells showed to the right of the events in agenda mode, and I could tap into the event to view the details without deleting email reminders on Google Calendar. With Froyo, by simply tapping the event to view the details it is effectively wiping out all reminders, rendering the calendar useless. This making me wish I had never updated to Froyo. The calendar and reminders are the single most important function on my phone, and with Froyo it seems to be incredibly flawed.

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