how to make conference call on android phone

In Android development, it is the most basic requirement that a user can make a call. As the saying goes, "All roads lead to Rome," the way to achieve a number of calls, today, to provide the most commonly used two kinds. First of all, call, for the user, is a cost of operation, therefore, the need for certain permiss

This article is from the "Java" blog, so be sure to keep this source http://10594050.blog.51cto.com/10584050/1886211Android make phone calls to Android call

Call the dial-up interface to make a phone call (not directly out)Intent intent1= New Intent (intent.action_dial);Intent1.setdata (Uri.parse ("tel:400-8181800"));StartActivity (INTENT1);Manifest file: Set permissions *************************************************************************************************************** *********

);StartActivity (Intent.createchooser (Sendintent, GetTitle ()));Open the store for evaluation:Uri uri=uri.parse ("Market://details?")Id= "+ Activity.this.getPackageName ());Intent intent=new Intent (Intent.action_view, URI);Packagemanager pm = SettingActivity.this.getPackageManager ();listif (List.size () ==0) {Toast.maketext (settingactivity.this, "software store not Installed", Toast.length_short). Show ();}else{StartActivity (Intent);}To Create a desktop shortcut icon:To send the broadcast i

;ljavaarray:tjavaarrayBeginLvibrator:=tjvibrator.wrap ((Sharedactivity.getsystemservice (TJActivity.javaClass.VIBRATOR_SERVICE) as Ilocalobject). Getobjectid);If not Lvibrator.hasvibrator thenBeginShowMessage (' Mobile phone does not support vibration ');ExitEndLjavaarray:=getvibratorarray ([200,1000,3000,5000]);//Call Vibration LawLvibrator.vibrate (ljavaarray,0)//v Repeat, more than 0 parameters, you can specify the number of vibrationsEndNote: When

Code Changes the worldAndroid Click button to make a phone callpublic void Callphone (String str) { Intent intent=new Intent (); Intent.setaction (intent.action_dial); Intent.setdata (Uri.parse ("Tel:" + str)); StartActivity (intent);}　　How to use:Setonclicklistener (New View.onclicklistener () { @Override public void OnClick (View v) { Callphone (" 18888888888 ");}　　

{LOG.W (TAG, "getphonecallstate:telephonyservice = = null");if (Telephonymanager! = null) {Phonecallstate = Telephonymanager.getcallstate ();LOG.W (TAG, "getPhoneCallState:telephonyManager.getCallState () =" + phonecallstate);}}LOG.W (TAG, "getphonecallstate:phonecallstate =" + phonecallstate);return phonecallstate;}3. ModificationPrivate Boolean Canreassignaudiofocus () {Focus requests is rejected during a phone call or when the phone is ringingThis

(1) The project structure is as follows:(2) Mainactivity.javaPackage Com.example.phonecall;import Android.app.activity;import Android.content.intent;import Android.net.Uri; Import Android.os.bundle;import android.view.menu;import Android.view.view;import Android.widget.button;import Android.widget.edittext;public class Mainactivity extends Activity {private Button button;private EditText edittext;@ overrideprotected void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate);