Android :: Activity Starts Remote Service
Oct 8, 2010
My initial activity is basically a splash screen while preforming initialization and login in to network server. To save memory I want to finish() the splash activity once it starts the main menu activity. I still want the remote service to operate. Testing shows it does. But am I going to get into trouble doing this? I know I can restart the remote from the main menu activity but I am trying to save overhead by not starting it twice. The remote service is required by the splash activity.
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Feb 16, 2010
I have a service that listens to a socket. When receiving certain input it is to create an activity. When receiving other input, it is to kill this activity. I have struggled for a while to make the service communicate with the activity through AIDL (http://developer.android.com/guide/developing/tools/aidl.html), but this seems to not be effective. I think AIDL is only effective when the process that is to be talked to is a service, not when it is an activity? I would love some directions or suggestions on how to solve my problem.
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May 3, 2010
I have a widget that is supposed to start and stop a service (start it when it's not running, stop it when it is). This is working fine, however, each time the service is started, my app's main activity is also launched, which I don't want from the app's manifest, it works as I want it to (without launching the main-activity, just the service), but then I obviously don't have a main activity anymore.This is how I start the service (I would assume this is the normal way, and I can't see any reference to what might cause the MAIN intent to fire).
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Nov 23, 2009
I am binding a remote service from an activity and unbind the same on the onPause of the Activity,when the activity again restarts i bind the service .It does bind with the remote service and i am also successful in getting the remote-service method getting executed after the restart.But when returning a message from the callback-RemoteCallbackList.the mCallbacks.beginBroadcast returns me 0 clients.Am i missing some thing here ?why am i am getting zero clients when I call mCallbacks.beginBroadcast.?
CODE:....................
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Apr 29, 2010
Iam trying to run an activity from diffrent package from my remote service:
This is how i implement the service.java
CODE:....
Ive also added a line in the manifest of the service:
The service works fine, but i cant run the activity -> PushActivity which is in diffrent package of diffrent application, this is the error:
Activity not found Exception: No Activity found to handle Intent {act=com.pushservice.PushServiceActivity flq=0x10
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Nov 19, 2010
I wrote an android program that: has a main activity for UI, and it starts a service. The service timely callbacks the UI activity to update views. It works fine except: if the activity is closed (with BACK) and start again, the service will also be started again (The service plays audio file, so there are two overlapped sounds). I use bindService with BIND_AUTO_CREATE flag to start and connect to service. According to the document, it should create service only if it doesn't exist, but obviously it starts another instance when opened second time. All I want is when the activity is closed, the service goes on running, and when the activity opens again, it can reconnect to the service. Is that possible? Or I just misunderstand the usage of service?
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Nov 24, 2010
In onCreate method of Activity, it binds to a remote service and makes use of AIDL intefaces. Is it required to unbind from the remote service when onDestroy is called on screen orientation change.?
If the activity un-bounded from the remote service in onDestroy and if no other contexts are bound to remote service, is remote service likely to get stopped losing the state that it maintains.?
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Jul 16, 2010
I'm trying to understand remote services at the moment and everything works fine, i can start the service and know how to communicate with it through the AIDL-interface. My problem is that the service seems to still run in the same process like the activity it was started from, because the activity crashes too, if there is an error thrown in the Service.
I set the service process to remote ( android:process=":remote" ) so what am i doing wrong? Or what do i have to do to unbind the service-process completely from the activity-process?
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Dec 30, 2009
I am developing an application in which the user require to register first and than got the user page. For that i have made layout and the layout consist many fields, so, i have made part of layout and also made the separate activity for the each layout. The layout like address, phone, etc... After that i have wrote the code for calling an activity and it works fine. It means when i press the "Next" button the another page will come and it will also consist some textview ,edittext and previous and next button. Actually, i want something different like -- When the user fill the first form and he will proceed to next, the content written by the user should not gone when the user press "Next" button. The content should be there which was written by user. And same way i have have 6 pages like that way to complete the registration process. So, have you any idea to solve above problem? I really need your help because right now i stuck at this point. So, please any body help me out of this problem. I would appreciate your help. I am waiting for your reply.
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Nov 9, 2010
I'm confused about whether I need to run my service in a separate process. What are the advantages / disadvantages of each?For reference I'm trying to create an App that uses a service to play [streaming] audio in the background. So which one is better for my use case?
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Sep 30, 2009
i have an app that binds to a local service.I want to add a desktop widget that binds to the same service. does my service have to be a remote service or can it still be local?if it can still be local, how can I get at the local binder?
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May 28, 2010
I'm developing a GPS tracking software on android. I need IPC to control the service from different activities. So I decide to develop a remote service with AIDL.This wasn't a big problem but now it's always running into the methods of the interface and not into those of my service class. Maybe someone could help me?If i now try to call a method from an activity for example start(trackId) nothing happens. The binding is OK. When debugging it always runs into the startTracking() in the generated ITrackingServiceRemote.java file and not into my TrackingService class. Where is the problem? I can't find anything wrong.
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Apr 14, 2014
I have 2 Mpai 809t octacore phones, almost the same specs (first one with 1gb ram and 20130303 rom version and second one with 2gb ram and rom 20130122).The most recent rom version has the Preview window perfectly working, the oldest no. I noticed that the fault is the missing Apk Suspend Window.apk and his Library (libhallwindowjni.so).
Copying the apk and library from one rom to the other does not the trick. The service never starts at boot. I tried almost everything, also copied all framework and system apk files from one rom to the other, nothing... the apk never starts at boot.I would like to develop an Ota update for this phone to fix this issue, so i would really like to understand the reason of this behavior.
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Mar 17, 2010
I would need to know when one activity starts or get's focus. I need this notification for any activity regardless of his type, name or whatever - not searching for one specific activity. Checked the ActivityMonitor and the Intent and I haven't found a generic intent for this purpose. Or I hadn't understood well the descriptions from the Intent ACTION_xxxxx.
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Aug 21, 2010
I need to start a animation automatically for a activity without any user clicking. I know when activity is not ready, animation could not start. I used a thread to start it, however it is still not working.
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Aug 16, 2010
There are an EditText and a TextView in my Activity. I want to set focus on the TextView when the Activity starts. I used the following code:
TextView myTextView = (TextView) findViewById(R.id.my_text_vew);
myTextView.setFocusable(true);
myTextView.setOnClickListener(this);
myTextView.requestFocus();
But the code doesn't work. The EditText always receives focus when the activity starts.
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Jun 26, 2009
I am getting a crash intermittently when my Activity starts up either initially or when the screen gets rotated I get several log messages which I have been unable to get any insight from: timeout expired mFreezeDisplay=1 mFreezeCount=0 App freeze timeout expired Force clearing freeze then lots of: Lock_layer timed out (is the CPU pegged?) Key dispatching timed out then I get ANR annotation: keyDispatchingTimedOut the trace has alot of sending signal 3 to alot of PIDs
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Aug 13, 2010
I have an activity which loads a TableLayout. This is made up of TextView and EditView fields. When I run my app within the emulator the layout appears correctly (WITHOUT the soft keyboard appearing). When I run the app from a device (HTC Evo) and enter the activity the soft keyboard ALWAYS appears. I tried doing an OnFocusChange() for the first field in the layout and then doing:
InputMethodManager imm = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE); imm.hideSoftInputFromWindow(tvIndications.getWindowToken(), 0);
It doesn't work. The soft keyboard always appears.
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Mar 17, 2010
I have 2 activities, A and B. When A starts, it checks for a condition and if true, it calls startActivityForResult() to start B. B only takes text input so it makes sense for the soft keyboard to automatically pop up when B start. When the activity starts, the EditText already has focus and it ready for input. The problem is that the keyboard never shows up, even with windowSoftInputMode="stateAlwaysVisible" set in the manifest under the <activity> tag for B. I also tried with the value set to stateVisible. Since it doesn't show up automatically, I have to tap the EditText to make it show.
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Apr 26, 2010
I have added android:windowSoftInputMode="stateAlwaysVisible" to my Activity in AndroidManifest.xml and here's my layout:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="fill_parent"
android:layout_height="fill_parent">
<EditText android:id="@+id/EditText01" android:layout_width="wrap_content"
android:layout_height="wrap_content"></EditText>
<EditText android:id="@+id/EditText02" android:layout_width="wrap_content"
android:layout_height="wrap_content"></EditText>
<Button android:id="@+id/Button01" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:text="Send"></Button>
</LinearLayout>
When the Activity starts, the EditText is focused, but soft keyboard isn't displayed. If I click on the EditText, then I see the soft keyboard. Do I need to set aditional parameters to display soft keyboard when my Activity starts?
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Oct 2, 2009
I open an Activity which has a number of elements... some TextViews, some Buttons, and an EditText. For some reason, when the activity starts, the EditText is focused by default, which causes the keypad to appear hiding the screen. I only want this EditText to be in focus if the user clicks into it. How can I ensure that this View isn't in focus when the activity starts? I've tried calling requestFocus() on one of the buttons, but it hasn't changed anything. Ideally, I don't want anything in focus at all.
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Oct 1, 2010
If I have a button that starts an activity, and the activity sometimes takes a second or two to throw up its own view, how can I most simply and reliably protect against the button being clicked multiple times and kicking off multiple (identical) activities?
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Jan 30, 2009
I just created a simple application, that starts the Dial Activity and place a call. I did not provide any permission in the manifest file to start a call, but still the call activity starts. I also checked the AndroidManifest.xml file, there is no permission added, still the activity starts.
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Sep 24, 2009
I've implemented remote service using aidl & it is working fine if I'm using its service from same package. But If I tried to use the service from other application it gives me error
As below:
CODE:...................
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Nov 17, 2010
I have been in problem of the Activity life-cycle. All though i read lots of docs on it put on getting clear picture on it. I have Activity A. In that activity I have menu options. If we click any option it opens the respective activity like if i click on 2nd button it opens Activity B Now again Activity B has same options into it. When user clicks on 1st button then i need to go back to activity A. So using this. Intent intent = new Intent().setClass(context, Articles.class); startActivity(intent); So always it starts new instance of activity and fetch data from DB. I want something like Activity A can be resumed back as it was.
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Jul 23, 2009
I have an activity that is showing a video and when the user clicks a button, a new activity is launched. When the video activity stops, I pause the video view. When the video activity starts up again, I try to resume the video view videoView.start(), however, the video starts over from the beginning. I'm thinking that the buffer must be lost somewhere, so I now try to capture the current position via videoView.getCurrentPosition(), however, this is always returning 0.
Anybody know how to resume video playback when an activity starts up again?
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Sep 22, 2009
I am studying RemoteService example in Android's APISample. In the manifest file, it declares the service like this: My question is how can I specify the service to be 'auto-start', i.e. it gets start whenever the phone start?
<service android:name=".app.RemoteService" android:process=":remote" >
<intent-filter>
<!-- These are the interfaces supported by the service, which
you can bind to. -->
<action
android:name="com.example.android.apis.app.IRemoteService" />
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Aug 11, 2010
I have implemented a RemoteService which will increment a countere ( just for testing purposes ). Therefore I have a Task class which implements Runnable and the method run() where a infinite while loop increments the variable.
From the client side, I start the RemoteService with startService and then i bind to the service. When I close the activity, the service is still running. Now i want to rebind to the service.
How do I know if the service has already been started (therefore i would only need to bind to the service again) or not (then I would need to call startService() first and then bind to the service)?
What would happen, if I call startService() if the service is already running? Does the OS start a second service, or will it affect the service which is already running?
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Jul 28, 2010
I have a service MyService.java in Application "ServiceDemo". The manifest of this application looks like this
CODE:.............
I have another application "CallerService" manifest looks like this
CODE:................
I have an activity from where I m trying to start the service on the click of the button
CODE:................
This fails to work. Says "unable to start service intent"
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Jun 8, 2010
I have an application, which (for the sake of simplicity) has two types of activities - Overview and DetailView. The Overview activity shows a list of steps and allows the user to start a DetailView activity corresponding to the step chosen.
In the DetailView activity, the user can start another Overview, which shows different steps than the ones in the parent of the current DetailView.
In the Overview, DetailView is started by using startActivityForResult (). In the DetailView, when the user decides to start a second Overview, I call setResult () and finish () and then start the new Overview. In this scenario, onActivityResult () and finishFromChild () do not fire. Instead, they fire when the parent finishes (?).
Code from Overview:
CODE:....
Code from DetailView:
CODE:..........................
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