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Android达成来电自动挂断实现机制

发布时间:2021-11-25 20:17:53 所属栏目:教程 来源:互联网
导读:通过aidl及反射实现挂断电话 具体分三步: (1)ITelephony.aidl ,必须新建com.Android.internal.telephony包并放入ITelephony.aidl文件(构建后在gen下有ITelephony.java文件,这是aidl生成的接口),文件内容如下: package com.android.internal.telephony
通过aidl及反射实现挂断电话
具体分三步:
(1)ITelephony.aidl ,必须新建com.Android.internal.telephony包并放入ITelephony.aidl文件(构建后在gen下有ITelephony.java文件,这是aidl生成的接口),文件内容如下:
package com.android.internal.telephony;
interface ITelephony{
    boolean endCall();
    void answerRingingCall();
}
(2)在需要的类中添加如下方法,代码如下(通过反射获取电话接口的实例)
 
/**
     * @param context
     * @return
     */
    private static ITelephony getITelephony(Context context) {
        TelephonyManager mTelephonyManager = (TelephonyManager) context
                .getSystemService(TELEPHONY_SERVICE);
        Class<TelephonyManager> c = TelephonyManager.class;
        Method getITelephonyMethod = null;
        try {
            getITelephonyMethod = c.getDeclaredMethod("getITelephony",
                    (Class[]) null); // 获取声明的方法
            getITelephonyMethod.setAccessible(true);
        } catch (SecurityException e) {
            e.printStackTrace();
        } catch (NoSuchMethodException e) {
            e.printStackTrace();
        }
 
        try {
            ITelephony iTelephony = (ITelephony) getITelephonyMethod.invoke(
                    mTelephonyManager, (Object[]) null); // 获取实例
            return iTelephony;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return iTelephony;
    }
 
(3)在来电时调用此实例,然后调用此endCall()方法。
 
mTelephonyManager = (TelephonyManager) this
                .getSystemService(TELEPHONY_SERVICE);
        mTelephonyManager.listen(phoneStateListener,
                PhoneStateListener.LISTEN_CALL_STATE);
 
//电话实例
PhoneStateListener phoneStateListener = new PhoneStateListener() {
 
        @Override
        public void onCallStateChanged(int state, String incomingNumber) {
 
            switch (state) {
                case TelephonyManager.CALL_STATE_RINGING :
                    iTelephony = getITelephony(getApplicationContext()); //获取电话接口
                    if (iTelephony != null) {
                        try {
                            iTelephony.endCall(); // 挂断电话
                            Toast.makeText(getApplicationContext(),
                                    "endCall "+ incomingNumber +"  successful!", 3000).show();
                        } catch (RemoteException e) {
                            e.printStackTrace();
                        }
                    }
                    break;
                default :
                    break;
            }
        }
 
    };
 
 
 
//注意:在功能清单文件中添加电话的权限:
 
 
 
<uses-permission android:name="android.permission.CALL_PHONE"/>
<uses-permission android:name="android.permission.READ_PHONE_STATE"/>

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