Android 使用Telephony API
16lz
2021-01-23
Android 使用Telephony API
public class TelephonyDemo extends Activity { TextView textOut; TelephonyManager telephonyManager; PhoneStateListener listener; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); // Get the UI textOut = (TextView) findViewById(R.id.textOut); // Get the telephony manager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE); // Create a new PhoneStateListener listener = new PhoneStateListener() { @Override public void onCallStateChanged(int state, String incomingNumber) { String stateString = "N/A"; switch (state) { case TelephonyManager.CALL_STATE_IDLE: stateString = "Idle"; break; case TelephonyManager.CALL_STATE_OFFHOOK: stateString = "Off Hook"; break; case TelephonyManager.CALL_STATE_RINGING: stateString = "Ringing"; break; } textOut.append(String.format("\nonCallStateChanged: %s", stateString)); } }; // Register the listener wit the telephony manager telephonyManager.listen(listener, PhoneStateListener.LISTEN_CALL_STATE); }} 参考资料