Android 实现自动接听和挂断电话功能

添加权限<uses-permission android:name="android.permission.CALL_PHONE"/><uses-permission android:name="android.permission.MODIFY_PHONE_STATE"/>main.xml<?xml version="1.0" encoding="utf-8"?>  <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"      androidrientation="vertical" android:layout_width="fill_parent"      android:layout_height="fill_parent">      <RadioGroup android:layout_height="wrap_content"          android:layout_width="fill_parent" android:id="@+id/rGrpSelect">          <RadioButton android:layout_height="wrap_content"              android:layout_width="fill_parent" android:id="@+id/rbtnAutoAccept"              android:text="所有来电自动接听"></RadioButton>          <RadioButton android:layout_height="wrap_content"              android:layout_width="fill_parent" android:id="@+id/rbtnAutoReject"              android:text="所有来电自动挂断"></RadioButton>      </RadioGroup>      <ToggleButton android:layout_height="wrap_content"          android:layout_width="fill_parent" android:id="@+id/tbtnRadioSwitch"          android:textOn="Radio已经启动" android:textOff="Radio已经关闭"          android:textSize="24dip" android:textStyle="normal"></ToggleButton>      <ToggleButton android:layout_height="wrap_content"          android:layout_width="fill_parent" android:id="@+id/tbtnDataConn"          android:textSize="24dip" android:textStyle="normal" android:textOn="允许数据连接"          android:textOff="禁止数据连接"></ToggleButton>  </LinearLayout>  PhoneUtils.java是手机功能类，从TelephonyManager中实例化ITelephony并返回，源码如下：package com.testTelephony;    import java.lang.reflect.Field;  import java.lang.reflect.Method;  import com.android.internal.telephony.ITelephony;  import android.telephony.TelephonyManager;  import android.util.Log;    public class PhoneUtils {      /**      * 从TelephonyManager中实例化ITelephony，并返回      */      static public ITelephony getITelephony(TelephonyManager telMgr) throws Exception {          Method getITelephonyMethod = telMgr.getClass().getDeclaredMethod("getITelephony");          getITelephonyMethod.setAccessible(true);//私有化函数也能使用          return (ITelephony)getITelephonyMethod.invoke(telMgr);      }            static public void printAllInform(Class clsShow) {            try {                // 取得所有方法                Method[] hideMethod = clsShow.getDeclaredMethods();                int i = 0;                for (; i < hideMethod.length; i++) {                    Log.e("method name", hideMethod.getName());                }                // 取得所有常量                Field[] allFields = clsShow.getFields();                for (i = 0; i < allFields.length; i++) {                    Log.e("Field name", allFields.getName());                }            } catch (SecurityException e) {                // throw new RuntimeException(e.getMessage());                e.printStackTrace();            } catch (IllegalArgumentException e) {                // throw new RuntimeException(e.getMessage());                e.printStackTrace();            } catch (Exception e) {                // TODO Auto-generated catch block                e.printStackTrace();            }        }    }  testTelephony.java是主类，使用PhoneStateListener监听通话状态，以及实现上述4种电话控制功能，源码如下：package com.testTelephony;    import android.app.Activity;  import android.os.Bundle;  import android.telephony.PhoneStateListener;  import android.telephony.TelephonyManager;  import android.util.Log;  import android.view.View;  import android.widget.RadioGroup;  import android.widget.ToggleButton;    public class testTelephony extends Activity {      /** Called when the activity is first created. */      RadioGroup rg;//来电操作单选框      ToggleButton tbtnRadioSwitch;//Radio开关      ToggleButton tbtnDataConn;//数据连接的开关      TelephonyManager telMgr;      CallStateListener stateListner;      int checkedId=0;      @Override      public void onCreate(Bundle savedInstanceState) {          super.onCreate(savedInstanceState);          setContentView(R.layout.main);                    telMgr= (TelephonyManager)getSystemService(TELEPHONY_SERVICE);          telMgr.listen(new CallStateListener(), CallStateListener.LISTEN_CALL_STATE);                    PhoneUtils.printAllInform(TelephonyManager.class);                    rg = (RadioGroup)findViewById(R.id.rGrpSelect);          rg.setOnCheckedChangeListener(new CheckEvent());          tbtnRadioSwitch=(ToggleButton)this.findViewById(R.id.tbtnRadioSwitch);          tbtnRadioSwitch.setOnClickListener(new ClickEvent());          try {              tbtnRadioSwitch.setChecked(PhoneUtils.getITelephony(telMgr).isRadioOn());          }  catch (Exception e) {              Log.e("error",e.getMessage());          }          tbtnDataConn=(ToggleButton)this.findViewById(R.id.tbtnDataConn);          tbtnDataConn.setOnClickListener(new ClickEvent());          try {              tbtnDataConn.setChecked(PhoneUtils.getITelephony(telMgr).isDataConnectivityPossible());          }  catch (Exception e) {              Log.e("error",e.getMessage());          }      }            /**      * 来电时的操作      * @author GV      *      */      public class CheckEvent implements RadioGroup.OnCheckedChangeListener{            @Override          public void onCheckedChanged(RadioGroup group, int checkedId) {              testTelephony.this.checkedId=checkedId;          }      }            /**      * Radio和数据连接的开关      * @author GV      *      */      public class ClickEvent implements View.OnClickListener{            @Override          public void onClick(View v) {              if (v == tbtnRadioSwitch) {                  try {                      PhoneUtils.getITelephony(telMgr).setRadio(tbtnRadioSwitch.isChecked());                  } catch (Exception e) {                      Log.e("error", e.getMessage());                  }              }              else if(v==tbtnDataConn){                  try {                      if(tbtnDataConn.isChecked())                          PhoneUtils.getITelephony(telMgr).enableDataConnectivity();                      else if(!tbtnDataConn.isChecked())                          PhoneUtils.getITelephony(telMgr).disableDataConnectivity();                  } catch (Exception e) {                      Log.e("error", e.getMessage());                  }                 }          }      }            /**      * 监视电话状态      * @author GV      *      */      public class CallStateListener extends PhoneStateListener {          @Override          public void onCallStateChanged(int state, String incomingNumber) {              if(state==TelephonyManager.CALL_STATE_IDLE)//挂断              {                  Log.e("IDLE",incomingNumber);              }              else if(state==TelephonyManager.CALL_STATE_OFFHOOK)//接听              {                  Log.e("OFFHOOK",incomingNumber);              }              else if(state==TelephonyManager.CALL_STATE_RINGING)//来电              {                  if(testTelephony.this.checkedId==R.id.rbtnAutoAccept)                  {                      try {                          //需要<uses-permission android:name="android.permission.MODIFY_PHONE_STATE" />                           PhoneUtils.getITelephony(telMgr).silenceRinger();//静铃                          PhoneUtils.getITelephony(telMgr).answerRingingCall();//自动接听                                                } catch (Exception e) {                          Log.e("error",e.getMessage());                      }                     }                  else if(testTelephony.this.checkedId==R.id.rbtnAutoReject)                  {                      try {                          PhoneUtils.getITelephony(telMgr).endCall();//挂断                          PhoneUtils.getITelephony(telMgr).cancelMissedCallsNotification();//取消未接显示                      } catch (Exception e) {                          Log.e("error",e.getMessage());                        }                  }              }              super.onCallStateChanged(state, incomingNumber);          }      }  }
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