Android获取手机和监听来电状态

Home / Android MrLee 2015-4-23 4666

获取手机状态:
	import android.content.Context;
	import android.telephony.TelephonyManager;
	//获得相应的系统服务
	TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
        /**
         * 返回电话状态
         * 
         * CALL_STATE_IDLE 无任何状态时 
         * CALL_STATE_OFFHOOK 接起电话时
         * CALL_STATE_RINGING 电话进来时 
         */
        tm.getCallState();
        if(tm.getCallState() == TelephonyManager.CALL_STATE_IDLE) {
        	Log.d("test", "call state idle...");
        } else if(tm.getCallState() == TelephonyManager.CALL_STATE_OFFHOOK) {
        	Log.d("test", "call state offhook...");
        } else if(tm.getCallState() == TelephonyManager.CALL_STATE_RINGING) {
        	Log.d("test", "call state ringing...");
        }

监听手机来电状态:
        //获得相应的系统服务
    TelephonyManager tm = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
    //使用TelephonyManager对象的listen(PhoneStateListener listener, int events)

    //实现PhoneStateListener listener并实现相应的方法
    public class MyPhoneCallListener extends PhoneStateListener
    {
    @Override
    public void onCallStateChanged(int state, String incomingNumber)
    {
      switch (state) {
        case TelephonyManager.CALL_STATE_OFFHOOK:                   //电话通话的状态
            Toast.makeText(Main.this, "正在通话...", Toast.LENGTH_SHORT).show();
            break;
        case TelephonyManager.CALL_STATE_RINGING:                   //电话响铃的状态
            Toast.makeText(Main.this, incomingNumber, Toast.LENGTH_SHORT).show();
            break;
      }
      super.onCallStateChanged(state, incomingNumber);
    }

第一个参数需要实现PhoneStateListener listener并实现相应的方法,第二个参数是PhoneStateListener的静态常量,此处由于是监听电话状态,所以需要传入LISTEN_CALL_STATE,而同时也需要在AndroidManifest中注册相应的权限

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