how to control outgoing intnet in android? - android

is it possible to access and control all outgoing intent from my app?
i use some library in my project that sends intent to start other app (for ads) because that library is compiled i have no access to the source code.
i wonder if there is any way to block or control all intent sent by my app.
if you know any other way to prevent that app to start (ads) please tell me.
i think because my app start the other app, there is a way to stop it.

You might be able to use reflection on the library and hook the google API calls but you have to check the licensing scheme for the added library so that you do not do something illegal.

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Programmatic auto attendant on an Android device

Is it possible to create an Android application that automatically attend incoming calls to an Android phone? If so, which APIs may be used to achieve this (a piece of code snippet highly appreciable)?
If the programmatic auto attendant feature not possible, why the Android OS imposes this restriction?
Is iOS behaves as same as Android in this scenario, please explain.
While googling I found something that can be useful. I haven't tried yet still I think this will help have a look at Call Control in Android
You can listen incomming call intent by implementing broadcast receiver Intent.CALL_STATE_CHANGED to listen for incoming call, but answering incomming call automatically seems not feasible.coz android application dont have access to incomming call audio stream.

Send an sms during apk instalation or when finish it

I wrote an application and I need to send sms. I think that it is a good idea to do it during the application installation or when installation is finished.
It is correct? If it is correct, how can I do it?
Sorry, but you cannot get control during application installation.
This question asked how to intercept an intent during a download. I personally tried by getting the Android Market source code and working on a c2dm hijack, however because it verifies its c2dm transmission with the app signature, it is about impossible (and very much frowned upon) to spoof, and without rooting the phone, you cannot listen to packets coming in on the network interface. Your best bet is to send the text after your application has installed (as described here).

How can i know supported intents of the 3rd party app

I've built an app called xLancer (https://market.android.com/details?id=kz.jay.xlancer.activity) that retrieves job listings from Elance. Now i want to implement a feature that would remind me to bid on a project at a later time. Instead of reinventing the wheel i want to launch any external TODO/Task manager app. But now i am stuck, i don't know which URI or action should be specified, so far i've only used intents to call my internal activities by specifying class name explicitly.
So the question is: how can i know which URI/action should be specified?
Look here, I didn't see any Todo/Task intents there though....

accessing one app from another app

Can someone explain me how to control one application from another application? I'm running a music player in an app1 using service class. And I want to stop that music player from another app.,i.e app2. But, I'm fallin short o the concept.
Depends what you need to do.
Opening another activity (or sending messages) is by using Intents:
Intent intent = new Intent();
intent.setAction(android.content.Intent.ACTION_VIEW);
// ...
startActivity(intent);
Starting service is by using startService()
What you are trying to do can also be done using Intent broadcasts but only if your target app supports and listens to specific actions on the broadcast. You need to see if there is such an ACTION supported.
I'd like to continue this question a bit.
In my case, I'm developing the target app and I need to implement few simple procedure calls for the main app. Basically 'start', 'stop' and 'sendData'. As I wrote, I'm developing the target app so I can support whatever I want. Which would you say is the easiest way to handle.
The whole situation a bit more explained. Main app would like my app to start it's work, and if needed they'll request that I turn myself off and when the main app is closing it would request me to send my data forward.
I'm quite new to android development, so code snippets are preferable. Thank you.

Intent resolution in Android

If I want to create custom address book (which overrides my phone's default address book), and if I want it to be used by all applications, what should be my intent-filter? Does Android allow me to do such a thing considering the fact that such a third-party app could potentially be malicious?!
And, if I want to have yet another address book application, I suppose the second app also has same intent-filter, isn't it? How does the framework decide which app to pick if I click on Contacts button when making a call? In other words, how does the framework resolve intents in case,there is a conflict between multiple intent-filters?
You can replace any application on Android platform, even Home. Android documentation explains everything there is to know about Intents and Intent Filters and there is a section called Intent Resolution that answers your question. Intent Resolution section for Intent class has some additional information.
As far as I can tell Android doesn't try to resolve a conflict. It ask the user which application to run and gives them the choice to mark this Activity as the default for this Intent. They give an example about mail app here.
While Mr. Smiljanić is basically correct, there is no Contacts application in Android for you to replace. There is Dialtacts, which is the application supporting the contacts, call log, and dialer. That application cannot be replaced, mostly because the dialer cannot be replaced.
So, while you may be able to override some intent filters and get control on some contacts-related requests, you will be unable to get the contacts portion of Dialtacts overridden, which will confuse users.

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