Android phone-related operations-call, answer, and call

Because android2.3 and above have added restrictions on permission Android. Permission. modify_phone_state, the method of calling itelephone through the reflection mechanism before 2.3 is no longer applicable, so you can use the counterfeit broadcast method to answer the phone.

Package COM. demo. launcher; import Java. lang. reflect. invocationtargetexception; import Java. lang. reflect. method; import android. content. context; import android. content. intent; import android. media. audiomanager; import android.net. uri; import android. telephony. telephonymanager; import android. text. textutils; import android. view. keyevent; public class phoneutils {public static string tag = phoneutils. class. gets Implename (); public static void endcall (context) {try {object telephonyobject = gettelephonyobject (context); If (null! = Telephonyobject) {class telephonyclass = telephonyobject. getclass (); Method endcallmethod = telephonyclass. getmethod ("endcall"); endcallmethod. setaccessible (true); endcallmethod. invoke (telephonyobject) ;}} catch (securityexception e) {e. printstacktrace ();} catch (nosuchmethodexception e) {e. printstacktrace ();} catch (illegalargumentexception e) {e. printstacktrace ();} catch (illegalaccessexception E) {E. printstacktrace ();} catch (invocationtargetexception e) {e. printstacktrace () ;}} private static object gettelephonyobject (context) {object telephonyobject = NULL; try {// initialize itelephonytelephonymanager telephonymanager = (telephonymanager) context. getsystemservice (context. telephony_service); // will be used to invoke hidden methods with reflection // get the current object implementing itelep Hony interfaceclass telmanager = telephonymanager. getclass (); Method getitelephony = telmanager. getdeclaredmethod ("getitelephony"); getitelephony. setaccessible (true); telephonyobject = getitelephony. invoke (telephonymanager);} catch (securityexception e) {e. printstacktrace ();} catch (nosuchmethodexception e) {e. printstacktrace ();} catch (illegalargumentexception e) {e. printstacktrace ();} catch (illega Laccessexception e) {e. printstacktrace ();} catch (invocationtargetexception e) {e. printstacktrace ();} return telephonyobject;}/*** call the method through reflection to answer the call. This method is only valid on the Android 2.3 system. * @ Param context */Private Static void answerringingcallwithreflect (context) {try {object telephonyobject = gettelephonyobject (context); If (null! = Telephonyobject) {class telephonyclass = telephonyobject. getclass (); Method endcallmethod = telephonyclass. getmethod ("answerringingcall"); endcallmethod. setaccessible (true); endcallmethod. invoke (telephonyobject); // itelephony = (itelephony) telephonyobject; // itelephony. answerringingcall () ;}} catch (securityexception e) {e. printstacktrace ();} catch (illegalargumentexception e) {e. prin Tstacktrace ();} catch (illegalaccessexception e) {e. printstacktrace ();} catch (invocationtargetexception e) {e. printstacktrace ();} catch (nosuchmethodexception e) {e. printstacktrace () ;}}/*** counterfeit a wired headset and press the listen key to broadcast it so that the system starts to answer the call. * @ Param context */Private Static void answerringingcallwithbroadcast (context) {audiomanager localaudiomanager = (audiomanager) context. getsystemservice (context. audio_service); // determines whether the headset is configured with Boolean iswiredheadseton = localaudiomanager. iswiredheadseton (); If (! Iswiredheadseton) {intent headsetpluggedintent = new intent (intent. action_headset_plug); headsetpluggedintent. putextra ("State", 1); headsetpluggedintent. putextra ("Microphone", 0); headsetpluggedintent. putextra ("name", ""); context. sendbroadcast (headsetpluggedintent); intent meidabuttonintent = new intent (intent. action_media_button); keyevent = new keyevent (keyevent. action_up, keyevent. keycode_he Adsethook); meidabuttonintent. putextra (intent. extra_key_event, keyevent); context. sendorderedbroadcast (meidabuttonintent, null); intent headsetunpluggedintent = new intent (intent. action_headset_plug); headsetunpluggedintent. putextra ("State", 0); headsetunpluggedintent. putextra ("Microphone", 0); headsetunpluggedintent. putextra ("name", ""); context. sendbroadcast (headsetunpluggedintent);} else {intent meidab Uttonintent = new intent (intent. action_media_button); keyevent = new keyevent (keyevent. action_up, keyevent. keycode_headsethook); meidabuttonintent. putextra (intent. extra_key_event, keyevent); context. sendorderedbroadcast (meidabuttonintent, null) ;}/ ***** @ Param context */public static void answerringingcall (context) {If (baseactivity. isgingerbreadorlater () {answerringingcallwithbroad Cast (context);} else {answerringingcallwithreflect (context);}/***** @ Param context * @ Param phonenumber */public static void callphone (context, string phonenumber) {If (! Textutils. isempty (phonenumber) {try {intent callintent = new intent (intent. action_call, Uri. parse ("Tel:" + phonenumber); context. startactivity (callintent);} catch (exception e) {e. printstacktrace () ;}}/ ***** @ Param context * @ Param phonenumber */public static void dialphone (context, string phonenumber) {If (! Textutils. isempty (phonenumber) {try {intent callintent = new intent (intent. action_dial, Uri. parse ("Tel:" + phonenumber); context. startactivity (callintent);} catch (exception e) {e. printstacktrace ();}}}}