Android :: How To Create Toast From Background Operation?
May 1, 2009
what is a good way to signal an error from a thread that is not the UI thread and you don't know which activity/handler is currently active? Can I somehow get eleto the current UI thread? Can I somehow use the MainLooper from the application context? I use notification for serious events where the user needs to take action, e.g. a login failed, but here I am looking for a transient notification with a toast and it would be ok if the toast is not seen in some cases.
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Mar 30, 2010
In the background(seperate thread) when extensive operations are going, like create database and parsing, in the UI thread I am displaying an animation. But its not smooth, the view is jerking. How can I remove the jerking and make the animation smooth.
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Feb 8, 2010
When using setDuration for a Toast is it possible to set a custom length or at least something longer than Toast.LENGTH_LONG?
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Aug 31, 2010
I want to call a method every X minutes, if my method got a result it ´should inform the user by vibrating or showing a alertbox. if the method doesn't get a result it should wait for X minutes and restart. What is important, this should also work when the phone turns to sleep. Which means I want to wake the phone from sleep to run my method. Actualy I can activate my method via a Button, and it is working like I want it to be except the background loop thing.
I already searching for a solution here in the group or also on google but I think I don't got the right search terms to find a solution for my problme. I already read about the AlarmManager and broadcast receiver but I'm not sure if this is right for my problem.
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Aug 5, 2010
I have a screen where I need to put a background image. I need to display only a part of the background image in each screen . Now when the user swipes towards left , the next screen will be displayed taking another portion of the background image. This transition from the first to second screen should give a 3 Dimension effect of moving the screen. I am unable to get any help form Android forums.
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Mar 5, 2009
I'm trying to create a listview containing conversations in chat bubbles, and each chat bubbles are rows in the list view. So what I have is an avatar on the left, and a chat bubble on the right. Then in the chat bubble, I have a textview for name, a textview for content, and a textview for time. The problem is, I cannot adjust the height of the chat bubble such that the bottom edge is just below the textview for time. In the chatBubble, I have this line that does not work android:layout_alignBottom="@+id/timeLabel" because timeLabel is a textview created after chatBubble. If I place chatBubble tags right below timeLabel, the height of chatBubble will be just right because lf the layout_alignBottom, but chatBubble covers all the text created before it.
Is there a way I can create the chatBubble last, and bring the view to the background? Or is there a better way to do this?....................
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Nov 4, 2010
how create thread in background for playing sound?
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Aug 26, 2010
I'm new to the android platform, and I need to create a background service that listens for actions from different applications, the home activity, menu items in different apps, etc. Is it enought to call several event listeners and pass the different home activity events (and events from other activities) to the listeners? If so, what exactly to I pass to my event listener? Is the home activity an object that I can call? What is it and how do I pass it? Otherwise how to I listen for user interaction with variouse elements of a given view/activity? I need the listeners to trigger an activity that occurs before the event they asked for. For example. 1. They press the arrow button on the homescreen. Before it pops up, a picture pops up on the screen.
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Feb 23, 2010
I am designing a Game and have a large background. The background it a lot bigger than the phone display so the user will only have a small "View" of the background. They will be able to move around by scrolling with their finger.
How do i go about this?
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Apr 4, 2010
I am trying to implement a ListView that is composed of rows that contain a View on the left followed by a TextView to the right of that. I want to be able to change the background color of the first View based on it's position in the ListView. Below is what I have at this point but it doesn't seem to due anything. Code...
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Nov 9, 2010
I wanna create an notification application/service, which should be accessable from other applications similar to android's Notification and NotificationManger. As i m a newbie to android development, i wanna know how to develop an service running in background n how to access it from other applications?
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Nov 9, 2009
I got a pattern (.png image 4x4px) and have to fill the layout with it. Does anyone know how to do it? If I simply select the drawable as a background the image is streched but it has to be repeated along the x and y axis.
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Jan 19, 2009
I wish to add a new operation to the contact detail view page under the current set of operations for a mobile number (Dial, Send SMS/MMS, ...), such as "Send a file". For my custom activity, what action and category would I specify so that my new operation appears in the contact detail view page? The end result would look like this (apologies for dodgy ascii art): ...........
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Sep 11, 2010
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nexus 2.2, device connects via wifi port not blocked datagram send works from android 1.5 moto blur.
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Nov 2, 2010
I am reading one simple web page, but when I launched my application after 2-3 min it show me output as: The operation timed out. Here ia my code...........
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Aug 13, 2009
in my app, I came into an Activity from the pre Activity's UI (such as:click a TextView which has added OnClickListener), like this way, after several times, I came into a deeper Activity. I left it for a while (such as left away) , when I came back ,I returned the Activity before the last Activity. then I got a black screen.
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Jul 6, 2010
I am trying to use Wi-Fi Adhoc Mode in my application. But I could not find any API or method to set the same. I read a thread in Android Forum and could not come any concrete solution on how to use enable Adhoc mode in Android.I used to use WPA_Supplicant conf file in Linux to enable Adhoc mode.
I would like know if I can enable Wi-Fi Adhoc mode in Android from my application and how to do the same.
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Sep 29, 2009
There is a big database(15M) in my application, it is too big to download the apk if I publish the source database in myapp.apk. So I encode the db to binary files(300k). But the new problem is I should decode binary files and create the database(with data), this procedure take about several minutes, so I can NOT do this in SQLiteOpenHelper.onCreate(), this is too slow for user experience(though it is a one time procedure, it is still unacceptable).
My application has NO main activity entry in launcher, the main entry is Broadcast Receiver.on Receive, the information should display to user immediately when receiving the broadcast, so I have no chance to display a several minutes "Initializing, please waiting..." UI. The best chance to create database and init data immediately after install, but how to do this, is there any broadcast? or is there any AndroidManifest attribute?
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Jul 20, 2010
I have a background thread which queries for 1000 records at a time. After querying , when i call cursor.move To First(), the UI gets blocked until the operation is completed.This is very disturbing experience for user , especially if there are 10000 plus records.I use Thread.sleep in between after each 1000 records, As soon as cursor.move To First is called, UI blocks for 2 3 seconds. Am i missing anything here ?
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Feb 25, 2009
I'm developing an app which needs to connect to the internet, but when i send a request using DefaultHtpClient.execute() method it takes 2-3 minutes and then the stacktrace says java.net.SocketException:operation timed out............
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Mar 24, 2009
I know that this is common problem, but still I cannot find the answer. I have two classes: InternetConnection extends Activity ConnectionChangeReceiver extends BroadcastReceiver
From ConnectionChangeReceiver I'm calling InternetConnection method which is refreshing UI when Internet connection is changed. The problem is that during refresh operation I'd like to show ProgressDialog which actually is never visible !!
So broadcast class looks like: public class ConnectionChangeReceiver extends BroadcastReceiver. Code...
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May 29, 2010
In the code showed as below I create a process dialog for doing some long
operation (in this case waiting 4 seconds). It runs as it should. And shows the "Starting" and "Done" message but when it finishes and I click Button1 again it terminates.
public class main extends Activity { public ProgressDialog dialog = null;
final Handler handler = new Handler(){ public void handleMessage(Message msg){
dialog.dismiss(); TextView tv2 = (TextView) findViewById(R.id.TextView02);
tv2.setText("Done"); } };
Thread runlongjob = new Thread(){ public void run(){
SystemClock.sleep(4000); handler.sendEmptyMessage(0);
} };
/** Called when the activity is first created. */
@Override public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState); setContentView(R.layout.main);
} public void clickhandler(View v){ switch(v.getId()){
case (R.id.Button01): TextView tv1 = (TextView) findViewById(R.id.TextView01);
tv1.setText("Starting...");
dialog = ProgressDialog.show(main.this, "Please wait", "Doing Job...",
true); runlongjob.start(); break; } }
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Dec 28, 2009
I have code that runs in the background and holds a connected Socket and it's InputStream.It calls read() infinitely until something is received, then continues to parse.Socket timeout is 0 of course.I am interested in what would happen when the device goes to sleep?Is the CPU off? Will this socket be responsive in this case?
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Mar 30, 2013
I have recently installed Facebook Application for my Tablet PC. It is working on 2.2.2 Anroid version and Facebook app version is 2.3
When I enter my info it says that Login failed and that the operation timed out (after I hit the Login button, the error appears after cca. 15 seconds).
I am using pretty good Wi-Fi connection to connect my Tablet to the internet, so I don't think that it's up to my connection. I tried already with clearing data, uninstalling, rebooting and reinstalling, but it didn't work.
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Apr 11, 2010
Which is better for the phone hybrid,evdo,1x and which name Nam is best to use.
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Jul 2, 2010
I don't appear to have call waiting in operation. But, more than that - I seem to have an issue where, if I'm doing something on the internet (e.g. checking email), the call doesn't come through. Take, for example, a mild incident today:
Meeting my beloved mother, for once in her life she's remembered not only to have her phone, but to have it on (will miracles never cease!). I call to find out where she is. She's 5 mins away.
So - while waiting for her, I go into my gmail to respond to a mail. Mother arrives - 'I tried calling to say go queue for a coffee, so we didn't have to wait, but it went straight to voicemail'. I hadn't moved, reception was still good.
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Aug 4, 2010
I just got a new incredible (upgrade from eris) and I just rooted it using unrevoked. I tried to use adb like I am used to doing with my eris but it seems I do not have root permission (although I do have super user app and its working from what I can tell).?
[root@studio ~]# adb remount
remount failed: Operation not permitted
[root@studio ~]# adb shell
$ getprop ro.secure
1
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Aug 4, 2013
I'm using Titanium Backup 6.0.3.1 on my SGS2 and android 4.1.2, i search for a feature that i cant find: Is there somewhere i can find the operation log. By mistake i unfreezed some of my apps, and i cant find what those apps are, so i wana check the Titanium log, but it seems there is not, Strange for an application that has 100 options settings we dont care but not a simple option for logging?
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Apr 24, 2010
I am running 2.0 and can't find mode of Operation? Anyone know how to find it. Previous versions had it under mobile network settings.
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Feb 1, 2010
I recently did a hard reset of my phone and it really cleaned things up and made things run faster (and I got rid of a bunch of apps I never really used.) I did notice that the calendar functions differently now. I used to be able to call up an individual day and see scheduled appointments, then I could swipe left or right on that day to go to the next day or previous day. You still can scroll through time that way in the full month display by swiping up and down but that functionality seems to be gone now for day views. Anyone else notice that change?
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