本文实例讲述了Android基于AudioManager、PhoneStateListener实现设置黑名单功能。分享给大家供大家参考,具体如下:
手机中一般有设置黑名单的功能。此例通过设置电话黑名单,当黑名单中的电话打来时,手机铃声为变成静音。
程序代码如下:
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import android.app.Activity; import android.content.Context; import android.media.AudioManager; import android.os.Bundle; import android.telephony.PhoneStateListener; import android.telephony.TelephonyManager; import android.view.KeyEvent; import android.view.View; import android.view.View.OnKeyListener; import android.widget.EditText; import android.widget.TextView; import android.widget.Toast; public class A11Activity extends Activity { private EditText et; //添加输入框,输入并设置黑名单 private TextView tv01,tv02; //tv01用来显示EditText中输入的黑名单;tv02用来显示当前手机电话所处的状态 /** Called when the activity is first created. */ @SuppressWarnings ( "static-access" ) @Override public void onCreate(Bundle savedInstanceState) { super .onCreate(savedInstanceState); setContentView(R.layout.main); tv01=(TextView)findViewById(R.id.tv01); tv02=(TextView)findViewById(R.id.tv02); et=(EditText)findViewById(R.id.et); /**创建PhoneCallListener的对象;其中PhoneCallListener是 * 扩展了PhoneStateListener的类*/ PhoneCallListener pcl= new PhoneCallListener(); TelephonyManager tm=(TelephonyManager)getSystemService(TELEPHONY_SERVICE); //设置监听电话的功能 tm.listen(pcl, pcl.LISTEN_CALL_STATE); } public class PhoneCallListener extends PhoneStateListener{ public void onCallStateChanged( int state,String incomingNumber){ switch (state){ //手机状态为待机时,手机铃声为正常模式 case TelephonyManager.CALL_STATE_IDLE: tv02.setText( "CALL_STATE_IDLE" ); AudioManager am=(AudioManager)getSystemService(Context.AUDIO_SERVICE); am.setMode(AudioManager.MODE_NORMAL); am.getStreamVolume(AudioManager.STREAM_RING); break ; //手机状态为通话中 case TelephonyManager.CALL_STATE_OFFHOOK: tv02.setText( "CALL_STATE_OFFHOOK" ); break ; //手机模式为响铃时 case TelephonyManager.CALL_STATE_RINGING: tv02.setText( "CALL_STATE_RINGING" ); //当来电号码与黑名单中的电话号码相同时,设置电话铃声为静音 if (incomingNumber.equals(tv01.getText().toString())){ AudioManager am01=(AudioManager)getSystemService(AUDIO_SERVICE); am01.setRingerMode(AudioManager.RINGER_MODE_SILENT); am01.getStreamVolume(AudioManager.STREAM_RING); Toast.makeText(A11Activity. this , "黑名单中的电话静音!!" , Toast.LENGTH_LONG).show(); } } super .onCallStateChanged(state, incomingNumber); et.setOnKeyListener( new OnKeyListener(){ @Override public boolean onKey(View v, int keyCode, KeyEvent event) { // TODO Auto-generated method stub tv01.setText(et.getText()); et.setText( "" ); return true ; } }); } } } |
希望本文所述对大家Android程序设计有所帮助。