phone-call

问题 How can you clear the entire call log history in android? Currently i have this code that can only clear a particular call log public void DeleteCallLogByNumber(String number) { String queryString="NUMBER="+number; this.getContentResolver().delete(CallLog.Calls.CONTENT_URI,queryString,null); } } 回答1: I was able to do it with this, It's been a while though. Not sure if this still works. getContentResolver().delete(android.provider.CallLog.Calls.CONTENT_URI, null, null) ; EDIT: Please note I am

问题 I'm currently searching for options on how to manipulate audio on android. The goal is to process audio from the microphone in real time during a phone call. The best solution would be to do this on a native call. But rebuilding a telephone app (no VOIP) would be fine too. Are there any ways to achieve this with Android APIs (also undocumented)? If not, which steps would be necessary to get things running? On iOS there are some apps which manipulate voice but create a VOIP connection. I heard

问题 I wanted to try to detect incoming phone calls in my app. I created a new Swift project from scratch just to try some code. The only thing I did was importing CoreTelephony in the ViewController that is created with every new project and I also changed the viewDidLoad() to: super.viewDidLoad() // Do any additional setup after loading the view, typically from a nib. let callCenter = CTCallCenter() NSLog("start") callCenter.callEventHandler = {[weak self] (call: CTCall) -> () in self?.label

问题 I'd like to know: how the android OS detect a incoming call(number) and displays the contact name and gives us a option to attend the call. What happens inside the OS when the "END CALL BUTTON" is tapped. When I searched regarding this I am getting only the Classes and methods to create my own app. Requesting for the explanation. 回答1: In Android it is possible to detect call events using the built-in TelephonyManager API. TelephonyManager class provides access to information about the

问题 I am facing a small problem while using Twilio conference. My API gets incoming call and puts caller to new and empty conference room: <Response> <Dial> <Conference waitUrl="http://twimlets.com/holdmusic?Bucket=com.twilio.music.ambient">Conf 1</Conference> </Dial> </Response> So I got caller waiting in an empty conference room and listening music. I want to dial some other number and to add it to this confrence room. That number is non-twilio. How can I do this? 回答1: You could use the Twilio

问题 I want to show some information in the middle of a call in that screen like weather info, or facebook updates like that, can anyone help me. See the screenshot below of the update that I want. 回答1: check this stack overflow answer.In that answer you can see a toast showing different call states.Instead of that toast make a custom toast and show your updates via that Custom toast. if you want show an activity instead of toast try this code in your CustomPhoneStateListener public class

问题 How to request a Permission? I tried to documentation, but the constant int request code MY_PERMISSIONS_REQUEST_CALL_PHONE donst seem to just work, anything else to bear in mind for Backwards compatibility? ActivityCompat.requestPermissions(getApplicationContext(), new String[]{Manifest.permission.READ_CONTACTS}, MY_PERMISSIONS_REQUEST_CALL_PHONE); How to declare MY_PERMISSIONS_REQUEST_CALL_PHONE constant int? 回答1: For lower versions you need to declare permission in manifest only, but for

问题 I am figuring out a way to replace the default dialer application from my custom dialer application, but I am not getting how to achieve this. Here is what I want Create a custom dialer UI My application is called whenever call button hardware or that one in Android is pressed The application can also be called from the contact screen I am referring to public static final String ACTION_DIAL. 回答1: Create a simple Android application (our dialer). To actually call someone, you just need that

问题 I am implementing an Android app that will allow users to purchase something by dialing a number from my app pressing a button. In single SIM devices it works nicely, but in dual sim devices, when I run my app and click on the "Purchase Button" a popup window automatically opens to ask me which SIM I want to use to dial (I didn't have to write code for this action, It automatically done by my device. Also when I normally call a friend using the default Phone App of my device this pop up

问题 I am trying to store incoming and outgoing calls record in my SD Card. but the issue is that i am not able to find that in my SD Card. Following is my Code Can any one help DeviceAdminDemo.java public class DeviceAdminDemo extends DeviceAdminReceiver { @Override public void onReceive(Context context, Intent intent) { super.onReceive(context, intent); context.stopService(new Intent(context, TService.class)); Intent myIntent = new Intent(context, TService.class); context.startService(myIntent);