Android :: Posting Toast Message From A Thread
Nov 17, 2010
My application launches a thread to query the web for some data. I want to display a Toast message when nothing is found, but my application always crashes. I've tried using the application Context from within the thread, like so: Toast.makeText(getApplicationContext(), "testttt", Toast.LENGTH_LONG).show(); I've also tried creating a Runnable with the Toast call and calling runOnUiThread(runnable) from the Thread (the Toast call in this runnable uses the Activity as the first parameter). Does anyone have any ideas on how to accomplish this?
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Aug 8, 2010
I was trying to post a toast notification in case something goes wrong in a worker thread. I do this by putting a handler.post(funcFailed) in the catch block where funcFailed it a runnable and simply called a function funcFailedshow()
funcFailedshow() is defined to be Toast.makeText(App.this,"Error in funcfailed", Toast.LENGTH_LONG).show();
For some reason i cannot see the toast notification. Even if i replace App.this (app is the applications name) with a getApplicationContext() it does not work.
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Aug 28, 2010
My user hits a button and kicks off a process that takes 3 steps in about 10 seconds total. I'd like to pop up Toast messages "Step 1", "Step 2", "Step 3", "Finished!" as the process progresses. I'm using the standard Java Thread interface to run the process in a thread and I've found that trying to pop up Toast from the thread causes an FC. What is the best way to report this kind of progress - step by step messages?
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Nov 16, 2010
I want to cancel a Toast to show the next one. This is the description of the behavious I want, when I select one element in the menu i display a toast from the actuel menu element, but if i switch from one element to an other quickly i'm creating a list of Toast to display. So i need to cancel the previous one but i never succed. This is an extract of my code: public class MainActivity extends TabActivity
private Toast toast; private String toastMsg;
private void toast(){ if(toast!=null){ toast.cancel(); } toast = Toast.makeText(MainActivity.this, toastMsg,Toast.LENGTH_SHORT);
toast.show(); } }
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Jul 22, 2010
I have a problem in posting a message on friends wall in facebook. I write below code for posting a message.
private void postwall(){ try { FBRequest streamRequest = FBRequest.requestWithDelegate(new FBRequestDelegateImpl());
Map<String, String> parameters = new HashMap<String, String>();
frdlist = new String[list.size()]; for(int j=0;j < list.size();j++){
if (list.get(j).isChecked()) { frdlist[j]=String.valueOf(list.get(j).getUserid());
parameters.put("message", "HI.... its a test application of Dates Near Me");
parameters.put("attachment", "{"name":"Facebook Connect for Android","href":"http://code.google.com/p/fbconnect-android/","caption":"Caption","description":"De scr iption","media":[{"type":"image","src":"http://img40.yfrog.com/img40/5914/iphoneconnectbtn.jpg","href":"http://developers.facebook.com/connect.php?tab=iphone/"}],"properties":{"anotherlink":{"text":"Fac eb ook homepage","href":"http://www.facebook.com"}}}");
parameters.put("auto_publish" ,"true");
parameters.put("target_id" ,frdlist[j]);
parameters.put("uid" ,String.valueOf(FBSession.getSession().getUid()));
streamRequest.call("stream.publish", parameters);
} } } catch (Exception e) {
// TODO Auto-generated catch block e.printStackTrace();
} }
I am passing three values: message,target_id and uid. All values I get perfectly. But when I check my friends wall that time message is not display on wall.
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Aug 5, 2010
I have a service class written which gives notification(Toast dialog) on every life cycle method call back. when i run my application all works well. but when run this service class from my test project the toast message are not displayed.
It give the following log for the toast message
CODE:.............
I want that the toast message should also be displayed on subsequent calls to life cycle methods
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Sep 19, 2010
I would like to have a Toast Message appear while my app is downloading information but even if I put it before my code it doesn't appear until after the download has completed. Putting my code in a separate thread causes many headaches but putting toast in a separate thread doesn't work either. Is there anyway I can have this Toast message come up before this or am I just going to have to work through the headaches?
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Feb 19, 2010
Is there any method to align toast message in application.By default it always appears at the bottom of application.
i did it like this...
Toast.makeText(this, "hello !", Toast.LENGTH_LONG).show();
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Nov 11, 2010
I am having a problem whereby when i open my app from the main screen, whether for the first time or not, when i click one of the buttons to show a toast message, the first time i click the button the toast message doesnt appear but it does appear for the 2nd and every subsequent click. if i then go home and launch my app again i have to wait for the 2 click to see a toast. does anyone know why this may be?
This is how i am using the toast class..
CODE:....................
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Jul 13, 2009
I looked for any information about onTap event processing for itemized overlays in this group. There is a lot of useful information but I could not find the answer to one question.
The tutorial by Mark Murphy on itemized overlays, http://androidguys.com/?p=1413
describes how to generate a Toast message whenever an onTap event occurs. In his case, the custom itemized overlay activity is included in the main activity. In my case, it is not. My custom itemized overlay activity is included in the application package as a public activity.
This means that the line Toast.makeText(NooYawk.this, items.get(i).getSnippet(), Toast.LENGTH_SHORT).show(); will not work "as is".
I have had trouble in correctly identifying the context for the Toast. Attempts to use the main class' (the one calling the custom itemized overlay class) context have not worked. I would appreciate it if anyone could suggest how I could resolve this issue. Incorporating the custom itemized overlay class in the main class is not a desirable option.
Alternatively, I would appreciate any suggestions for generating a display of the title and/or snippet information for markers on a map.
The onTap event works fine (Log.i statements in the onTap method display the correct information for each marker tapped)
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Mar 8, 2010
Would anyone know how to test for the appearance of a Toast message on an Activity? I'm using code similar to what the OP posted on this question for testing my program flow from one activity to the next. I'd also like to be able to test for toast messages on particular activities.
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Sep 24, 2010
I am writing my own SMS application that will display a toast of my message once it arrive. Now is it possible to delete the message after the display of the toast, so that it will not go into the native SMS application?
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Nov 17, 2010
Is it possible to make the phone vibrate for ANY toast message in your program? Or do you have to insert a vibrate command on each toast?
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Apr 5, 2012
I am currently working on my first app which grabs a ZIP from the internet and the extracts it to a certain location. Everything works great but I can not figure out how to show a Toast message when the extraction operation is done.
The code I am using for unzipping is:
Code:
package mmarin.test.download;
import android.util.Log;
import java.io.File;
[Code]....
As I said above, only issue is displaying a message that everything is done.
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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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Jun 3, 2010
Sometimes when I receive messages it makes the notification sound and will show message in notification bar but the text of the message will not appear in the text thread. Used to happen every once in a while, now doing it multiple times a day. I use Handcent but I doubt that is the problem because the messages dont show up in the regular messaging either. Just want to see if i am alone with this problem.
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Aug 4, 2010
Not sure if this is a common problem, but essentially, in the bundled 'Messages' application for the HTC Legend, the text messages are saved as a thread as standard. But today, for some bizarre reason, when I open a message thread, it opens at the oldest message, whereas before, it would open at the most recent message. I've looked around in the settings, turned my phone on and off, cleared the data, but still can't get it to revert, it's quite annoying to scroll through hundreds of messages to get to the most recent SMS.
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Sep 21, 2010
I am using RunningTaskInfo.topActivity.getClassName() to determine the class name of the activity being viewed by the user. If the top activity is an sms message (the user is texting) then I want to determine either the thread id of the open message or the contact name/ number, either will work! I am able to determine if a message is open by comparing the class name.unningTaskInfo.topActivity.getClassName().equals("com.android.mms.ui.ComposeMessageActivity") which returns true/false. When it is true I need to get the above information from this "compose message". Any ideas on how I can get this kind of information from an Android OS activity (an sms message)?
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Sep 24, 2009
is there an app to copy a complete text thread and email?
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Jun 16, 2010
I'm writing an Android app. I have a main method, which creates and runs a new Thread using an anonymous inner Runnable class. The run() method, when it's done, calls a method on it's parent class (in the main thread) that calls notifyDataSetChanged() so that the main thread can redraw the new data. This is causing all kinds of trouble (ViewRoot$CalledFromWrongThreadException). The thing is, this method being called from the worker thread is on the class that's created in the UI thread. Shouldn't that be running on the UI thread? Or am I missing something.
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Oct 7, 2010
I am queuing up a bunch of runnables into a thread via a Handler.post(). I would like the ability to send a note to that thread that it should pause. By pause I mean, finish the runnable or message you are currently working on, but don't go to the next message or runnable in your message queue until I tell you to continue.
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Apr 19, 2010
I have a problem handling messages in a Thread. My run-method looks like this The problem is that the run-method logs "id from message: null" though "message ID" has a value in the Log-statement. Why does the message "lose" it's data when being send to the thread? Has it something to do with the notify?
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Feb 18, 2010
I have an app with a two threads - main and data loader. When data loader finishes it posts a Runnable object to the main thread (as described in the DevGuide), but it never gets delivered and run. Here's the basic code:
class MyApp extends Application{
public void onCreate()
{LoaderThread t = new LoaderThread();
t.start(); }
private class LoaderThread extends Thread {
public void run()
{ SystemClock.sleep(2000);
boolean res = m_handler.post(m_runnable);
if(res)
Log.d(TAG, "Posted Runnable"); } ............
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Mar 5, 2010
I have a simple app and I'm using the AsyncTask to test out a background process, for clearness purposes I've opted to put my AsyncTask in a separate class rather than in an inner class, which where my problems begin, this is my AsyncTask. Code...
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Mar 30, 2010
I'm writing unit tests for a ListActivity in Android that uses a handler to update a ListAdapter. While my activity works in the Android emulator, running the same code in a unit test doesn't update my adapter: calls to sendEmptyMessage do not call handleMessage in my activity's Handler. How do I get my ActivityUnitTestCase to sync with the MessageQueue thread and call my Handler?
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Apr 20, 2014
I just recently received mine Galaxy S5 and sometimes a toast message pops up with the message "Stealth application cannot register this application".
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Sep 4, 2010
I am using an Executor [fixed thread pool] with my own ThreadFactory that adds a Looper:
CODE:...............
I am running a thread that makes network requests but if the network fails I would like a dialog message to be displayed to the user. This process is rather involving since it requires making AND displaying the request in the UI thread. I can wait for the user's response to the dialog by simply adding a Loop to the network thread and wait for a message to be send from the UI thread. This allows me to encapsulate the network requests in a while(tryAgain) thread. All works well except when the Looper.loop() method is called the second time (after a second network error dialog is displayed) and a message is sent by the dialog (in the UI thread) to the network thread's handler:
CODE:.............
In the AlertDialog instance is an OnClickListener:
CODE:...............
I've checked that the thread is still active with handler.getLooper().getThread().isAlive() which always returns true but it still gives me "sending message to a Handler on a dead thread". How is it that the Message/Handler has decided that the thread is dead? Shouldn't it rely on the .isAlive() method? In the end I am trying to avoid replicating the thread management build into the Android OS .
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Sep 30, 2010
Am currently running the deFrost FroYo ROM. Everything's fantastic, except...whenever I'm viewing a text message thread, it's slow to scroll through previous messages. Frustratingly slow. Is this a common issue with the deFrost ROM? Or is there something I can change / configure to resolve this?
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Nov 29, 2009
I need to have each individual message show up in its own thread not connected to others from same sender. I get fire department texts that need to be read and replied to in non thread format. Otherwise I will be responding to the entire group of messages that could be sent from different users using the same name.
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Jul 16, 2010
its 2000+ messages, slows the whole damn phone down, esp handcent and the other msg app. when i try to delete it takes forever and just freezes the phone
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