電波強度取得

PhoneStateTestActivity.java

package jp.sumasu.test;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.telephony.PhoneStateListener;
import android.telephony.SignalStrength;
import android.telephony.TelephonyManager;
import android.widget.TextView;

public class PhoneStateTestActivity extends Activity {
	TelephonyManager telephonyManager;
	TextView textView;

	/**
	 * 電波強度の変更を検出するListner
	 */
	private PhoneStateListener phoneState = new PhoneStateListener() {
		@Override
		public void onSignalStrengthsChanged(SignalStrength signalStrength) {
			// とりあえず全部列挙
			StringBuilder log = new StringBuilder();
			log.append(String.format("isGsm = %b\n", signalStrength.isGsm()));
			log.append(String.format("describeContents = %d\n",
					signalStrength.describeContents()));
			log.append(String.format("CDMA Dbm = %d\n",
					signalStrength.getCdmaDbm()));
			log.append(String.format("CDMA Ecio = %d\n",
					signalStrength.getCdmaEcio()));
			log.append(String.format("Evdo Dbm = %d\n",
					signalStrength.getEvdoDbm()));
			log.append(String.format("Evdo Ecio = %d\n",
					signalStrength.getEvdoEcio()));
			log.append(String.format("Evdo Snr = %d\n",
					signalStrength.getEvdoSnr()));
			log.append(String.format("GSM Bit Error Rate = %d\n",
					signalStrength.getGsmBitErrorRate()));
			log.append(String.format("GSM Signal Strength = %d\n",
					signalStrength.getGsmSignalStrength()));

			super.onSignalStrengthsChanged(signalStrength);

			textView.setText(log.toString());

		};
	};

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		textView = (TextView) findViewById(R.id.test);

		telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
	}

	@Override
	public void onResume() {
		super.onResume();

		telephonyManager.listen(phoneState,
				PhoneStateListener.LISTEN_SIGNAL_STRENGTHS);

	}

	@Override
	public void onPause() {
		super.onPause();

		telephonyManager.listen(phoneState, PhoneStateListener.LISTEN_NONE);
	}
}