NetworkDetector: uses android.telephony.TelephonyManager to obtain telephony parameters like network
/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.example.android.apis.telephony;
import android.app.Activity;
import android.os.Bundle;
import android.telephony.PhoneStateListener;
import android.telephony.ServiceState;
import android.telephony.TelephonyManager;
import android.widget.TextView;
/**
* Activity that uses {@link android.telephony.TelephonyManager} to obtain
* telephony parameters like network state, phone type and SIM state.
*/
public class NetworkDetector extends Activity {
/*
* SIM state constants
*/
public static final String SIM_ABSENT = "Absent";
public static final String SIM_READY = "Ready";
public static final String SIM_PIN_REQUIRED = "PIN required";
public static final String SIM_PUK_REQUIRED = "PUK required";
public static final String SIM_NETWORK_LOCKED = "Network locked";
public static final String SIM_UNKNOWN = "Unknown";
/*
* Network type constants
*/
public static final String NETWORK_CDMA = "CDMA: Either IS95A or IS95B (2G)";
public static final String NETWORK_EDGE = "EDGE (2.75G)";
public static final String NETWORK_GPRS = "GPRS (2.5G)";
public static final String NETWORK_UMTS = "UMTS (3G)";
public static final String NETWORK_EVDO_0 = "EVDO revision 0 (3G)";
public static final String NETWORK_EVDO_A = "EVDO revision A (3G - Transitional)";
public static final String NETWORK_EVDO_B = "EVDO revision B (3G - Transitional)";
public static final String NETWORK_1X_RTT = "1xRTT (2G - Transitional)";
public static final String NETWORK_HSDPA = "HSDPA (3G - Transitional)";
public static final String NETWORK_HSUPA = "HSUPA (3G - Transitional)";
public static final String NETWORK_HSPA = "HSPA (3G - Transitional)";
public static final String NETWORK_IDEN = "iDen (2G)";
public static final String NETWORK_LTE = "LTE (4G)";
public static final String NETWORK_EHRPD = "EHRPD (3G)";
public static final String NETWORK_HSPAP = "HSPAP (3G)";
public static final String NETWORK_UNKOWN = "Unknown";
/*
* Phone type constants
*/
public static final String PHONE_CDMA = "CDMA";
public static final String PHONE_GSM = "GSM";
public static final String PHONE_SIP = "SIP";
public static final String PHONE_NONE = "No radio";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
// Get the telephony system service to find out network details
final TelephonyManager tm = (TelephonyManager) getSystemService(TELEPHONY_SERVICE);
// Update text views with readable values.
updateViews(tm);
// Since these attributes can change, we will register a
// {@code PhoneStateListener} to listen for these changes and
// update the view.
tm.listen(new PhoneStateListener() {
@Override
public void onServiceStateChanged(ServiceState serviceState) {
// Update our TextViews
updateViews(tm);
}
@Override
public void onDataConnectionStateChanged(int state) {
// A change in data connection state may be due to availability
// of a different network type
updateViews(tm);
}
}, PhoneStateListener.LISTEN_SERVICE_STATE
| PhoneStateListener.LISTEN_DATA_CONNECTION_STATE);
}
@Override
protected void onResume() {
super.onResume();
final TelephonyManager tm = (TelephonyManager) getSystemService(TELEPHONY_SERVICE);
// Update text views with readable values.
updateViews(tm);
}
/**
* Update text views with telephony attributes.
*/
private final void updateViews(TelephonyManager tm) {
// The telephony system service returns integer constants for various
// telephony attributes.
TextView view = null;
view = (TextView) findViewById(R.id.sim_state);
view.setText("SIM State: " + mapSimStateToName(tm.getSimState()));
view = (TextView) findViewById(R.id.network_type);
view.setText("Network Type: " + mapNetworkTypeToName(tm.getNetworkType()));
view = (TextView) findViewById(R.id.phone_type);
view.setText("Phone Type: " + mapDeviceTypeToName(tm.getPhoneType()));
view = (TextView) findViewById(R.id.network_name);
view.setText("Network Operator: " + tm.getNetworkOperatorName());
}
/**
* Returns a string describing the current SIM state.
*/
private static String mapSimStateToName(int simState) {
switch (simState) {
case TelephonyManager.SIM_STATE_ABSENT:
return SIM_ABSENT;
case TelephonyManager.SIM_STATE_READY:
return SIM_READY;
case TelephonyManager.SIM_STATE_PIN_REQUIRED:
return SIM_PIN_REQUIRED;
case TelephonyManager.SIM_STATE_PUK_REQUIRED:
return SIM_PUK_REQUIRED;
case TelephonyManager.SIM_STATE_NETWORK_LOCKED:
return SIM_NETWORK_LOCKED;
case TelephonyManager.SIM_STATE_UNKNOWN:
return SIM_UNKNOWN;
default:
// shouldn't happen.
return null;
}
}
/**
* Returns a string indicating the phone radio type.
*/
private static String mapDeviceTypeToName(int device) {
switch (device) {
case TelephonyManager.PHONE_TYPE_CDMA:
return PHONE_CDMA;
case TelephonyManager.PHONE_TYPE_GSM:
return PHONE_GSM;
case TelephonyManager.PHONE_TYPE_SIP:
return PHONE_SIP;
case TelephonyManager.PHONE_TYPE_NONE:
return PHONE_NONE;
default:
// shouldn't happen.
return null;
}
}
/**
* Returns a string describing the network type.
*/
public static String mapNetworkTypeToName(int networkType) {
switch (networkType) {
case TelephonyManager.NETWORK_TYPE_CDMA:
return NETWORK_CDMA;
case TelephonyManager.NETWORK_TYPE_EDGE:
return NETWORK_EDGE;
case TelephonyManager.NETWORK_TYPE_GPRS:
return NETWORK_EDGE;
case TelephonyManager.NETWORK_TYPE_UMTS:
return NETWORK_UMTS;
case TelephonyManager.NETWORK_TYPE_EVDO_0:
return NETWORK_EVDO_0;
case TelephonyManager.NETWORK_TYPE_EVDO_A:
return NETWORK_EVDO_A;
case TelephonyManager.NETWORK_TYPE_EVDO_B:
return NETWORK_EVDO_B;
case TelephonyManager.NETWORK_TYPE_1xRTT:
return NETWORK_1X_RTT;
case TelephonyManager.NETWORK_TYPE_HSDPA:
return NETWORK_HSDPA;
case TelephonyManager.NETWORK_TYPE_HSPA:
return NETWORK_HSPA;
case TelephonyManager.NETWORK_TYPE_HSUPA:
return NETWORK_HSUPA;
case TelephonyManager.NETWORK_TYPE_IDEN:
return NETWORK_IDEN;
case TelephonyManager.NETWORK_TYPE_LTE:
return NETWORK_LTE;
case TelephonyManager.NETWORK_TYPE_EHRPD:
return NETWORK_EHRPD;
// case TelephonyManager.NETWORK_TYPE_HSPAP:
// return NETWORK_HSPAP;
case TelephonyManager.NETWORK_TYPE_UNKNOWN:
default:
return NETWORK_UNKOWN;
}
}
}
//main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<TextView android:id="@+id/phone_type"
android:layout_width="fill_parent"
android:layout_height="wrap_content" />
<TextView android:id="@+id/network_name"
android:layout_width="fill_parent"
android:layout_height="wrap_content" />
<TextView android:id="@+id/sim_state"
android:layout_width="fill_parent"
android:layout_height="wrap_content" />
<TextView android:id="@+id/network_type"
android:layout_width="fill_parent"
android:layout_height="wrap_content" />
</LinearLayout>