Android :: Telephony Manager & Phone State Listener

Sep 7, 2010

I would like to know what are the main differences between TelephonyManager and PhoneStateListener, because you can do (more or less) the same things with both. For example, you could create an incoming calls register implementing a broadcastreceiver and using TelephonyManger API or extending PhoneStateListener class and registering this new listener throughTelephonyManager . Case 1 - BroadcastReceiver (TelephonyManager)

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Android :: Phone State Listener State Transitions

Feb 8, 2009

I'm a little confused by what I'm seeing with regards to phone state transitions via the PhoneStateListener. When I receive a call, this is what happens: (call comes in) RINGING -> IDLE (I pick up) OFFHOOK (I hang up) IDLE It's that first transition from RINGING to IDLE without any interaction from me (not ending the call, not answering the call) that confuses me. Do I really have to implement an idle counter to know that an incoming call has really ended? Seems like the reported phone state represents some sort of phone state that isn't the obvious one.Is this a bug or am I just not in tune with the paradigm here?

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Android :: Telephony Manager Functions Don't Work / What To Do?

May 29, 2009

I have low expectations that this message will get any response as it seems that Google developers do not like to address issues too close to the Android core and to strategic mobility applications. However, as they say, hope is the last to die.

I am really puzzled by the lack of response to queries about issues with some TelephonyManager functions.

Specifically, there have been a number of requests in the past, including mine, about

getNeighboringCellInfo()

As per the link below, getNeighboringCellInfo() is a documented TelephonyManager function available to application developers.

http://developer.android.com/reference/android/telephony/TelephonyMan...()

Yet, getNeighboringCellInfo() does not work. Any attempt to call it in an application results in application failure.

What is the problem here? If Google does not want application developers to use this function (I cannot fathom why that would be the case), then please remove it from TelephonyManager, and save all of us time and frustration.

It's really puzzling that for such an open platform Android has so many secrets and rules.

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Android :: Can A Native Application Use Java Methods In Telephony Manager?

Sep 17, 2009

I am currently working on porting a application written in C in android platform. I need to know that can i invoke/call the getSystemService from the C application using invocation interface by JNI. Meaning using a .java file which will interact with the interace provided by the android.telephony.TelephonyManager.java for using getCallState() and other mehthods.

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Android :: Ways To User Number When Telephony Manager Returns Null?

Apr 10, 2009

Is there a way to look up the user phone number other than TelephonyManager? In my G1, this returns null: // get your phone number TelephonyManager telephonyManager = (TelephonyManager) getSystem Service (Context. TELEPHONY_SERVICE); String tel = telephonyManager.getLine1Number(); Log.i("Telephone Number ==> ", tel+" <=="); Is there any other way of getting user's own phone number? take care, Muthu Ramadoss. http://linkedin.com /in/tellibitz http://androidrocks.googlecode.com - Android Consulting. Emo Philips <http://www.brainyquote.com /quotes/authors/e/emo_philips.html> - "A computer once beat me at chess, but it was no match for me at kick boxing."

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Android :: Telephony Manager Event Off_hook / Not Giving Calling Number In Emulator

Nov 9, 2010

I am not getting call in number in off_hook state when it is only coming in dialing state. According to documentation it should provide call in number for off_hook state as well. Is it a bug?

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Android :: Phone State Listener Memory Leak

Sep 8, 2009

There appears to be a leak when using PhoneStateListeners. The following code simply reigsters in onResume and unregisters in onPause a PhoneStateListener. Repeatedly launch then press BACK (so the app is finished & onDestory is called before the next launch) and the number of activities reported by meminfo will equal the number of launches. For instance, here is the output I get after launching (and finishing) 11 times in sequence:

dumpsys meminfo com.example.leak Currently running services: meminfo
DUMP OF SERVICE meminfo: Applications Memory Usage (kB): Uptime: 12204322 Realtime: 12204322

** MEMINFO in pid 1358 [com.example.leak] ** native dalvik other total size:
2648 3079 N/A 5727
allocated: 2604 2254 N/A 4858
free: 43 825 N/A 868
(Pss): 913 1305 1475 3693
(shared dirty): 1080 3864 568 5512
(priv dirty): 808 936 1056 2800

Objects Views: 77
ViewRoots: AppContexts: 12
Activities: 11
Assets: 2
AssetManagers: 2
Local Binders: 36
Proxy Binders: 21
Death Recipients: 0
OpenSSL Sockets: 0
SQL heap: 0
dbFiles: 0
numPagers: 0
inactivePageKB: 0
activePageKB: 0 #

Without the PhoneStateListener, the number of activities is always 1 no matter how many times the app is launched & finished. So, am I doing anything wrong here? Or is this a bug in the TelephonyManager?

Here's the code package com.example.leak;

import android.app.Activity; import android.content.Context; import android.os.Bundle; import android.telephony.PhoneStateListener; import android.telephony.TelephonyManager; import android.util.Log;
public class LeakExample extends Activity {
private class MyPhoneStateListener extends PhoneStateListener {
@Override public void onCallStateChanged(int state, String incomingNumber) {
if ((state == TelephonyManager.CALL_STATE_RINGING)
|| (state == TelephonyManager.CALL_STATE_OFFHOOK)) {
LeakExample.this.finish();
} } }
MyPhoneStateListener phone_listener = new MyPhoneStateListener();
TelephonyManager telMgr ;
@Override public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
telMgr = (TelephonyManager) getSystemService (Context.TELEPHONY_SERVICE);
} @Override protected void onPause() { super.onPause();
telMgr.listen(phone_listener, PhoneStateListener.LISTEN_NONE);
} @Override protected void onResume() { super.onResume();
telMgr.listen(phone_listener, PhoneStateListener.LISTEN_CALL_STATE);
} @Override protected void onDestroy() { super.onDestroy();
Log.v("LEAK EXAMPLE", "onDestory");
}

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Android :: Notify Service From Phone State Listener

Mar 19, 2010

I have built an application that listen to call state changes, and I want to notify a service when the call_state became IDLE.All the components I have are functional, I just need to notify (not start) a service for this.What's the correct practice, maybe using AIDL? Because, in a PhoneStateListener, I can't bind to a service. Do I have to start an activity for that?

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Android :: Error With Listening To Phone State Listener In Service

Nov 11, 2009

I have a BroadcastReceiver that listens for the BOOT_COMPLETED, that part works I know because I disabled my phone listener and displayed a Toast within. That BroadcastReceiver is supposed to start a service, that also works. I run into Force Close issues when my service attempts to tell my TelephonyManager to listen. Any one have any ideas? Here is my code StartSeviceAtStartUp.java import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent;

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Android :: Reregister Phone State Listener If Application Crashed

Nov 17, 2009

i've registered a PhoneStateListener in BOOT_COMPLETED receiver by using following call: tm.listen(new TestCallStateListener(), PhoneStateListener. LISTEN_ CALL _STATE); If the application crashes then system automatically unregisters the PhoneStateListener. Is there any mechanism of checking if particular PhoneStateLister is registered or not? Actually i'm thinking of starting a repeating service by AlarmManager which will check if PhoneStateListener is registered or not . And if it's not registered then service will register it again. Just a backup if application crashes. Is this a good approach or there is some better mechanism to make sure that PhoneStateListener is always registered even if application crashes ?

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Android :: Phone State Listener Events Stop Receiving Sometime

Jan 21, 2010

My application process incoming/outgoing calls and shows some UI. So I use PhoneState Listener to listen changes such as CALL_STATE_IDLE , CALL_STATE_RINGING ,CALL_ STATE_ OFFHOOK. on receiving call to my BroacastReceiver for incoming/outgoing call. Most of the time things work properly. But sometimes my application does not receive events of Phone State Listener and hence it is not able to change/clear UI.From user feedback this typically occurs on HTC Hero. But I have came across this issue sometime on other devices also.My first guess is that android is killing my application in midway during call due to memory requirement. If so, is there any way to ensure that android does not my kill application under such situation .

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Android :: Changing Displayed State Of Views Based On Parent ViewGroup's State

Aug 11, 2010

I have a compound UI component built up from a ViewGroup containing a number of TextView, ImageView etc. components. Many of these have StateListDrawables as their images/backgrounds. Is there any way of making them select from this drawable based on the state of the parent ViewGroup rather than the component itself? Ideally I want to be able to change the visual state of all children of the ViewGroup (text colour, image etc) based on the state of the ViewGroup, preferably without having to hook up complex logical code. This seems like a fairly common sort of requirement, so I was hoping it would be straightforward in Android - am I going to be disappointed?

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Android :: Telephony / Need To Inject DTMF

Nov 16, 2010

I have researched extensively and am pretty sure this is not possible. I want to make a call and then inject DTMF when the far end answers. So 2 questions Is it possible ?
If not, how do I work to get it on the list of upcoming features to be provided on Android. I can say that this is possible on BlackBerry and Symbian, so Android is falling behind in this regard.

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Android :: Get Sms Message From Intent With New Implementation Of Telephony?

Feb 11, 2009

I am using the Telephony class to get messages ( Telephony.Sms.Intents.getMessageFromIntent(Intent intent)). But I can't find the class Telephony from its package(android.provider), there is an error named "The import android.provider.Telephony cannot be resolved" when import android.provider.Telephony.Sms.Intents, the sdk version I'm using is android-sdk-windows-1.0_r2, how can I use this with the new implementation of Telephony?

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Android :: Can A Telephony.Phone Object Be Instantiated Through The Sdk

Jan 27, 2010

I am trying to get a phone object so that I can call and conference two numbers from within my application.

I have tried using the static PhoneFactory.makeDefaultPhones((Context)this) but have not had any luck.

CODE:.......

Error - Caused by java.lang.RuntimeException: PhoneFactory.getDefaultPhone must be called from Looper thread

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Android :: Relative Speeds Of Telephony Managers Types?

Nov 2, 2010

There are a number of network types defined in TelephonyManager:
NETWORK_TYPE_GPRS
NETWORK_TYPE_EDGE
NETWORK_TYPE_UMTS
NETWORK_TYPE_CDMA
NETWORK_TYPE_EVDO_0
NETWORK_TYPE_EVDO_A
NETWORK_TYPE_1xRTT
NETWORK_TYPE_HSDPA
NETWORK_TYPE_HSUPA
NETWORK_TYPE_HSPA
Is there any info out there that describes what range of speeds you can expect on each of these? If that isn't available, it would be nice to be able to order them based on speed.

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Android :: Testing Telephony Signal Strength Changes In Emulator?

Mar 29, 2010

I was wondering if there is a way to manipulate the emulator to simulate telephony signal strength changes.

I would like to test code that uses TelephonyManager.listen() with LISTEN_SIGNAL_STRENGTHS.

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Android :: Telephony Returned Constant Values In Bearer Speed Order?

Mar 8, 2010

TelephonyManager.getNetworkType() returns one of the constant values.It appears that the constant values have an integer order, by possible bearer link speed.I know using constant values used in the following manner is generally bad,however could one use this to determine a basic cutoff for application functionality and have it work between API levels? (in API-v1 there was nothing above 0x03)if( telephonyManager.getNetworkType() > TelephonyManager.NETWORK_TYPE_EDGE ) return "3G! party on!";else if( telephonyManager.getNetworkType() > TelephonyManager.NETWORK_TYPE_UNKNOWN )}

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Android :: Telephony.SmsManager.s­endTextMessage Throw Exception When Destination Addr Is Email Addr

Feb 3, 2010

This worked in 1.5 but throw an exception in apk 2.0.

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

Any one else experience the same? What should I use to send a SMS to an email address?

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Android :: ClassCastException: Com.android.internal.telephony.PhoneProxy

Apr 8, 2010

I'm programing Instrumentation Tests for SIM ToolKit (STK)

I need to use CommandsInterface which is available only in PhoneBase Interface. Once I have a Phone i'd like to use the following line:

CODE:.......

It compiled successfully, however gives uncaught exception (group=0x4001b188)

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Android : Possible To Use Com.android.internal.telephony.* API In Application?

Oct 16, 2009

Is it possible to use com.android.internal.telephony.* API in application? I would really need to use some classes from there, since there is no other way I can make my app answer incoming call, send dtmf and etc.

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Android :: Listener On Spinner

May 18, 2010

I want to click on an item of a spinner and change the content of another spinner.I tried to do this by creating a listener OnItemSelectedListener() but it doesn't work.Any Ideas?

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Android :: Set A Listener To MenuButton?

Mar 19, 2010

I want to do a custom action when pressing on the Menu button on the phone.

Is it possible to set an onClickListener (or similar) on the button and if so, how?

onCreateOptionsMenu is only called the first time the button is pressed - I've already tried this.

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Android :: How To Use Com.android.internal.telephony

Feb 4, 2010

I need to use com.android.internal.telephony package for my development. but i am in a doubt whether i would use android.internal.telephony package or how?

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Android :: Any Listener For Shake Movement?

Mar 1, 2009

Is there any Listener able to listen for shake movement. when someone shakes the phone an event should be triggered ,how I'm supposed to do that ,any idea on this topic is appreciable.

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Android :: Calender Entry Listener

Aug 20, 2010

I am developing an app in which I need to listen events whenever they are created or modified in android calendar. Is it possible to listen calendar entry when the user enters events ?

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Android :: Check Listener Running Or Not

Jul 16, 2010

I have boot loader listener. But After user install the application my listener does not start until first boot-up. is there any way to check whether my listener running or not?

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Android :: Pressed Listener For View

May 4, 2010

In android, is there such a thing for listening if a View is pressed? in background drawable, i can set assert depends on the view is pressed or not.Is it possible for me to add a Listener for a View when I pressed it?

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Android :: Same Listener For List And Button

Nov 22, 2010

In my application pressing a list row or a button means executing the same commands. My problem is that the list and the button have different listeners (AdapterView.OnItemClickListener vs. View.OnClickListener). How can I add the code for the 2 views (as a listener) without having duplicate code.

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Android :: Variable OnClick Listener ?

Jun 25, 2010

Is there a way to have 1 onClick Lister for many buttons where I can toss a case statement to do things based on what buttons were clicked.

I know I can make 100 different listeners for 100 buttons but I have to think I can create some nifty variables to do it in less lines of code.

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Android :: Add A Listener To Image Which In Overlay?

May 20, 2010

I want to add a listener to a image which in the overlay so that dialog will exists after i click the image int the map.

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Android : How Can I Add A Click Listener To A Drawable?

Mar 30, 2009

I currently have a drawable and i need to know when it's clicked. Is there a way to add an event listener to a drawable? I realize that there may be a better control to use for me needs so I tried ImageButton but Im a bit confused on how to position the ImageButton. For example whe i position the drawable i just use setBounds. Is there a way to specify the x and y coordinates for an image button?

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Android : How To Use PhoneState Listener / Services?

May 24, 2009

Does anybody have an example of using the PhoneState Listener while running a service? I've been having problems having a PhoneState Listener inside of the service.

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Adding Click Listener To The Screen?

Sep 20, 2011

how do i add a click listener to the screen? to be more spesific i want to know the coordinates where he left the screen (if he moved his finger while touching the screen)

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Android :: OnClick Listener One Function For All Clicks

Nov 14, 2010

In my layout xml file I have set the android:onClick attribute for a Button element to a function in my activity. So when I click the button the function is called with a View as its argument. Are there any information in that View argument that has the id of the button being clicked? I'm trying to figure out if I have to have one onClick function for every element or if I can use one function and switch depending on the id of the element being clicked.

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Android :: Listener Service For Data Sources

May 20, 2009

I just want to develop a service which listens to the database and it should invoke an activity as soon as there is a change. I tried to implement Contacts listener by registering Content Observer but couldn't see the expected result. Kept log in on Change() method, observed that it is not getting called, any clue that where it might went wrong.

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Android :: Setting Key Listener To A Custom View

Jun 22, 2009

I created a custom View Round button which consists of an image and some text. I tried to bind a method to it but it doesn't work and don't know what could be the reason.Does anyone know whether there's anything missing or the reason it doesn't work?

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Android :: On Click Listener On ListView Items

Feb 3, 2009

I want to set the onclicklistner on the each item to be displayed in ListVIew. The code I have written is:
package munish.android;
import android.app.ListActivity;
import android.os.Bundle;
import android.widget.ArrayAdapter;
public class List extends ListActivity {
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Use an existing ListAdapter that will map an array
// of strings to TextViews
setListAdapter(new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, mStrings));
getListView().setTextFilterEnabled(true);
} private String[] mStrings = {
"ImageView", "Grid View", "List View", "Map View", "Image Switcher", "Queso Jalapeno", "Queso Majorero", };

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Android :: Set Animation Listener To Activity Animations

Aug 2, 2010

I am using overridePendingTransition method to do custom Activity animations, i would like to know when the animation ends ( a callback/listener ). Is there any direct way of achieving this, if not please suggest me some work around.

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Android :: Implement Location Listener In Appwidget

Nov 26, 2009

I am working on a Widget which will get the Current GPS location and pass this value to remote PHP page to get the Information and display it in the Widget. This is what I am trying to do.I am facing problem while implementing Location Listener for appWidget. It is not updating with the Current Location and It is showing the initial widget i.e "Loading Widget"(Here I put this text)

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Android :: How To Implement On Load Complete Listener?

Oct 11, 2010

I have a custom class called "Sound" with SoundPool, I want to implement the loading complete listener so that my activity can play an intro sound and display the "start" button once loading is complete. How would I go about implementing the listener and then testing for the complete status from my activity to make sure everything is loaded then go on to do the above. MyActivity creates an instance of my class "Sound" so that it can call various sound methods from it. Code...

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Android :: Any Listener For When WebView Displays Content?

Oct 31, 2010

Using WebViewClient and/or the WebChromeClient you can get a listener for when the page has loaded, however this is sometimes called before the WebView has any content in it, before it has displayed anything. What would be a efficient method for determining when the WebView has displayed it's content? When I load a page in a WebView, I want to set the scroll to a specific position. It seems that the scroll position cannot be set until the page is loaded and it has an actual content height. So, I have tried two different approaches to determining when the page has finished loading, onPageFinished() from the WebViewClient and also onProgressChanged() from the WebChromeClient.

Both of these tell me when the page has finished loading. However, the problem is that sometimes it is called before the page has been displayed and therefore the page has no height and the scroll call does nothing. I am trying to find a solid way to determine when the page is ready to be scrolled, i.e. when it has its content height. I imagine I could setup a checking loop after it finished loading to keep looking for when the height is available but that seemed like quite the hack. Hoping there is a cleaner way.

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Android :: Generic Listener For Buttons In A Layout?

Oct 12, 2010

I have three buttons defined in xml

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

In Java one way to listen to them is:

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

For second btn , same code has to be repeated with different id? How can I make it generic enough that , it can listen to all buttons (say in for loop) and while handling I should be able to differentiate different btns. (may be get elements id)

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Android :: SetClick Listener On Button In Tabactivity?

Aug 15, 2009

I have created a tab activity and render a button widget over it using setcontentview I wanted to setClickListener for that button . i m able to setLongClickListener , let me know how can I implement View.setClickListener on tabActivity so that I m able to set setClickListener on button widget inside tab activity.

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Android :: Listener Or Handler For Video Finish

Dec 4, 2009

I have implement the following code in order to test playing a video from a remote web server through it´s URL.

CODE:........

The code is working just fine, even in the Android emulator. I just would like to know if there's any listener (or handler) to detect the finish of the video that is being reproduced?

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