ユーザーの位置を返し、GPS から情報を取得するアプリケーションを動作させます。位置をメールに送信 次のコードがあります。Android 2.3 では完全に動作しますが、Android 4.2.2 では動作しません。Android 4.2.2 デバイスおよびエミュレータでは動作しません。GPS トラッカーのこのコード:
package com.example.safetymobile;
//package com.example.gpstracking;
import android.app.AlertDialog;
import android.app.Service;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.os.IBinder;
import android.provider.Settings;
import android.util.Log;
public class GPSTracker extends Service implements LocationListener {
private final Context mContext;
// flag for GPS status
boolean isGPSEnabled = false;
// flag for network status
boolean isNetworkEnabled = false;
// flag for GPS status
boolean canGetLocation = false;
Location location; // location
double latitude; // latitude
double longitude; // longitude
// The minimum distance to change Updates in meters
private static final long MIN_DISTANCE_CHANGE_FOR_UPDATES = 10; // 10 meters
// The minimum time between updates in milliseconds
private static final long MIN_TIME_BW_UPDATES = 1000 * 60 * 1; // 1 minute
// Declaring a Location Manager
protected LocationManager locationManager;
public GPSTracker(Context context) {
this.mContext = context;
getLocation();
}
public Location getLocation() {
try {
locationManager = (LocationManager) mContext
.getSystemService(LOCATION_SERVICE);
// getting GPS status
isGPSEnabled = locationManager
.isProviderEnabled(LocationManager.GPS_PROVIDER);
// getting network status
isNetworkEnabled = locationManager
.isProviderEnabled(LocationManager.NETWORK_PROVIDER);
if (!isGPSEnabled && !isNetworkEnabled) {
// no network provider is enabled
} else {
this.canGetLocation = true;
if (isNetworkEnabled) {
locationManager.requestLocationUpdates(
LocationManager.NETWORK_PROVIDER,
MIN_TIME_BW_UPDATES,
MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
Log.d("Network", "Network");
if (locationManager != null) {
location = locationManager
.getLastKnownLocation(LocationManager .NETWORK_PROVIDER);
if (location != null) {
latitude = location.getLatitude();
longitude = location.getLongitude();
}
}
}
// if GPS Enabled get lat/long using GPS Services
if (isGPSEnabled) {
if (location == null) {
locationManager.requestLocationUpdates(
LocationManager.GPS_PROVIDER,
MIN_TIME_BW_UPDATES,
MIN_DISTANCE_CHANGE_FOR_UPDATES, this);
Log.d("GPS Enabled", "GPS Enabled");
if (locationManager != null) {
location = locationManager
.getLastKnownLocation(LocationManager.GPS_PROVIDER);
if (location != null) {
latitude = location.getLatitude();
longitude = location.getLongitude();
}
}
}
}
}
} catch (Exception e) {
e.printStackTrace();
}
return location;
}
/**
* Stop using GPS listener
* Calling this function will stop using GPS in your app
* */
public void stopUsingGPS(){
if(locationManager != null){
locationManager.removeUpdates(GPSTracker.this);
}
}
/**
* Function to get latitude
* */
public double getLatitude(){
if(location != null){
latitude = location.getLatitude();
}
// return latitude
return latitude;
}
/**
* Function to get longitude
* */
public double getLongitude(){
if(location != null){
longitude = location.getLongitude();
}
// return longitude
return longitude;
}
/**
* Function to check GPS/wifi enabled
* @return boolean
* */
public boolean canGetLocation() {
return this.canGetLocation;
}
/**
* Function to show settings alert dialog
* On pressing Settings button will lauch Settings Options
* */
public void showSettingsAlert(){
AlertDialog.Builder alertDialog = new AlertDialog.Builder(mContext);
// Setting Dialog Title
alertDialog.setTitle("GPS is settings");
// Setting Dialog Message
alertDialog.setMessage("GPS is not enabled. Do you want to go to settings menu?");
// On pressing Settings button
alertDialog.setPositiveButton("Settings", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,int which) {
Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
mContext.startActivity(intent);
}
});
// on pressing cancel button
alertDialog.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
}
});
// Showing Alert Message
alertDialog.show();
}
@Override
public void onLocationChanged(Location location) {
}
@Override
public void onProviderDisabled(String provider) {
}
@Override
public void onProviderEnabled(String provider) {
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
}
@Override
public IBinder onBind(Intent arg0) {
return null;
}
}
GPS ：
package com.example.safetymobile;
import android.os.Bundle;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.*;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
import java.util.TimeZone;
import java.util.Timer;
import java.util.TimerTask;
import android.content.ContentValues;
import android.content.Intent;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.util.Log;
public class GPS extends Activity {
String NotifyWay="";
CheckBox chk,chk1;
EditText edt,edt1;
Button btn;
GPSTracker gps;
public int time = 0;
public Timer t = new Timer();
int interval = 1;
int counter = 0;
int counterend = 2;
Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT+1:00"));
Date currentLocalTime = cal.getTime();
Date stopt = cal.getTime();
int StopTime = 0;
@SuppressLint("SimpleDateFormat")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_gps);
@SuppressWarnings("unused")
DateFormat date = new SimpleDateFormat("HH:mm a");
//chk=(CheckBox)findViewById(R.id.notiEmail);
//chk1=(CheckBox)findViewById(R.id.notisms);
edt=(EditText)findViewById(R.id.interval);
edt1=(EditText)findViewById(R.id.timeStop);
//email
/*chk.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
if(NotifyWay.equals(""))
{
NotifyWay="Email";
}
else
{
NotifyWay="Email";
chk1.setChecked(false);
//Toast.makeText(getApplicationContext(), "You can choose one way only", Toast.LENGTH_LONG).show();
}
}
});*/
/*chk1.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
if(NotifyWay.equals(""))
{
NotifyWay="SMS";
}
else
{
NotifyWay="SMS";
chk.setChecked(false);
//Toast.makeText(getApplicationContext(), "You can choose one way only", Toast.LENGTH_LONG).show();
}
}
});*/
btn=(Button)findViewById(R.id.DoneAdd);
btn.setOnClickListener(new OnClickListener(){
@SuppressWarnings("deprecation")
@Override
public void onClick(View v) {
int val=Integer.parseInt(edt.getText().toString());
StopTime=Integer.parseInt(edt1.getText().toString());
interval=val*60000;
SQLiteDatabase db;
db = openOrCreateDatabase("Saftey.db", SQLiteDatabase.CREATE_IF_NECESSARY, null);
db.setVersion(1);
db.setLocale(Locale.getDefault());
db.setLockingEnabled(true);
final String CREATE_TABLE_setting =
"CREATE TABLE GPS ("
+ "id INTEGER PRIMARY KEY AUTOINCREMENT,"
+ "valTime INTEGER,"
+ "stopTime INTEGER);";
db.execSQL(CREATE_TABLE_setting);
ContentValues values1 = new ContentValues();
values1.put("valTime", interval);
values1.put("stopTime", StopTime);
db.insert("Setting", null, values1);
//Convert Minute To Milliseconds
stopt.setHours(currentLocalTime.getHours() + StopTime);
tt();
Intent intent = new Intent(GPS.this, Change_setting.class);
startActivity(intent);
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.activity_gps, menu);
return true;
}
public void tt()
{
t.scheduleAtFixedRate(new TimerTask() {
@Override
public void run() {
runOnUiThread(new Runnable() {
@SuppressWarnings("deprecation")
@Override
public void run() {
currentLocalTime = cal.getTime();
//// .....
if(currentLocalTime.compareTo(stopt) > 0)
{
t.cancel();
}
else
Toast.makeText(getApplication(), "d < d1", Toast.LENGTH_LONG).show();
gps = new GPSTracker(GPS.this);
// check if GPS enabled
if(gps.canGetLocation())
{
double latitude = gps.getLatitude();
double longitude = gps.getLongitude();
String text ="https://Maps.google.com/maps?q=" + Double.toString(latitude) + "," + Double.toString(longitude) ;// latitude
//............................
String em="";
//String pn="";
//SharedPreferences pref = getSharedPreferences("pref",0);
//SharedPreferences.Editor edit = pref.edit();
//String pn= pref.getString("PhNum", null);
//edit.commit();
SQLiteDatabase db;
db = openOrCreateDatabase(
"Saftey.db"
, SQLiteDatabase.CREATE_IF_NECESSARY
, null
);
db.setVersion(1);
db.setLocale(Locale.getDefault());
db.setLockingEnabled(true);
Cursor cur = db.query("info", null, null, null, null, null, null);
cur.moveToFirst();
while (cur.isAfterLast() == false)
{
//pn = cur.getString(0);
em=cur.getString(3);
cur.moveToNext();
}
cur.close();
// if(NotifyWay.equals("Email"))
// {
SendingEmail(em, text);
// }
/* else
{
if(NotifyWay.equals("SMS"))
{
SendingSMS(pn, text);
}
}*/
//......................
}
else{
// can't get location
// GPS or Network is not enabled
// Ask user to enable GPS/network in settings
gps.showSettingsAlert();
}
//// .....
time += 1;
}
});
}
}, 0, interval);
}
public void SendingEmail(String em, String text)
{
Mail m = new Mail("mbrm.yu@gmail.com", "mbrm_yu123");
String[] toArr = {em};
m.setTo(toArr);
m.setFrom("mbrm.yu@gmail.com");
m.setSubject("This is an email sent using my Mail JavaMail wrapper from an Android device.");
//m.setBody("I'm in Danger Dad, please Help ...");
m.setBody(text);
try
{
//m.addAttachment("/sdcard/filelocation");
if(m.send()) {
Toast.makeText(getApplication(), "Email was sent successfully.", Toast.LENGTH_LONG).show();
} else {
Toast.makeText(getApplication(), "Email was not sent.", Toast.LENGTH_LONG).show();
}
}
catch(Exception e)
{
Toast.makeText(getApplication(), "There was a problem sending the email to : " + em, Toast.LENGTH_LONG).show();
Log.e("MailApp", "Could not send email", e);
}
}
/*public void SendingSMS(String pn, String text)
{
String SENT = "SMS_SENT";
String DELIVERED = "SMS_DELIVERED";
PendingIntent sentPI = PendingIntent.getBroadcast(this, 0,
new Intent(SENT), 0);
PendingIntent deliveredPI = PendingIntent.getBroadcast(this, 0,
new Intent(DELIVERED), 0);
//---when the SMS has been sent---
registerReceiver(new BroadcastReceiver(){
@Override
public void onReceive(Context arg0, Intent arg1) {
switch (getResultCode())
{
case Activity.RESULT_OK:
Toast.makeText(getBaseContext(), "SMS sent",
Toast.LENGTH_SHORT).show();
break;
case SmsManager.RESULT_ERROR_GENERIC_FAILURE:
Toast.makeText(getBaseContext(), "Generic failure",
Toast.LENGTH_SHORT).show();
break;
case SmsManager.RESULT_ERROR_NO_SERVICE:
Toast.makeText(getBaseContext(), "No service",
Toast.LENGTH_SHORT).show();
break;
case SmsManager.RESULT_ERROR_NULL_PDU:
Toast.makeText(getBaseContext(), "Null PDU",
Toast.LENGTH_SHORT).show();
break;
case SmsManager.RESULT_ERROR_RADIO_OFF:
Toast.makeText(getBaseContext(), "Radio off",
Toast.LENGTH_SHORT).show();
break;
}
}
}, new IntentFilter(SENT));
//---when the SMS has been delivered---
registerReceiver(new BroadcastReceiver(){
@Override
public void onReceive(Context arg0, Intent arg1) {
switch (getResultCode())
{
case Activity.RESULT_OK:
Toast.makeText(getBaseContext(), "SMS delivered",
Toast.LENGTH_SHORT).show();
break;
case Activity.RESULT_CANCELED:
Toast.makeText(getBaseContext(), "SMS not delivered",
Toast.LENGTH_SHORT).show();
break;
}
}
}, new IntentFilter(DELIVERED));
SmsManager sms = SmsManager.getDefault();
sms.sendTextMessage(pn, null, text, sentPI, deliveredPI);
}*/
}
マニフェスト:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.safetymobile"
android:versionCode="2"
android:versionName="1.2" >
<uses-permission android:name="android.permission.READ_CONTACTS" />
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.CALL_PHONE" >
</uses-permission>
<uses-permission android:name="android.permission.CAMERA" />
<uses-feature android:name="android.hardware.camera" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" >
</uses-permission>
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" >
</uses-permission>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.BLUETOOTH" />
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
<uses-permission android:name="android.permission.VIBRATE" >
</uses-permission>
<uses-permission android:name="android.permission.WAKE_LOCK" >
</uses-permission>
<uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"></uses-permission>
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />
<uses-permission android:name="android.permission.SEND_SMS" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.safetymobile.MainActivity"
android:label="@string/app_name"
android:theme="@android:style/Theme.Light.NoTitleBar.Fullscreen"
android:clearTaskOnLaunch="true"
>
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="com.example.safetymobile.ContactList"
android:label="@string/title_activity_contact_list" >
</activity>
<activity
android:name="com.example.safetymobile.Change_setting"
android:label="@string/title_activity_change_setting"
android:clearTaskOnLaunch="true" >
</activity>
<activity
android:name="com.example.safetymobile.CallContent"
android:label="@string/title_activity_call_content"
android:theme="@android:style/Theme.Light.NoTitleBar.Fullscreen" >
</activity>
<activity
android:name="com.example.safetymobile.SMS"
android:label="@string/title_activity_sms"
android:theme="@android:style/Theme.Light.NoTitleBar.Fullscreen" >
</activity>
<activity
android:name="com.example.safetymobile.Alication_list"
android:label="@string/title_activity_alication_list" >
</activity>
<activity
android:name="com.example.safetymobile.Apps"
android:label="@string/title_activity_apps"
android:theme="@android:style/Theme.Light.NoTitleBar.Fullscreen">
</activity>
<activity
android:name="com.example.safetymobile.Pass"
android:label="@string/title_activity_pass" >
</activity>
<activity
android:name="com.example.safetymobile.ChangePass"
android:label="@string/title_activity_change_pass" >
</activity>
<activity
android:name="com.example.safetymobile.GPS"
android:label="@string/title_activity_gps" >
</activity>
<activity
android:name="com.example.safetymobile.LightActivity"
android:label="@string/title_activity_light"
android:theme="@android:style/Theme.Light.NoTitleBar.Fullscreen" >
</activity>
<receiver android:name=".StartupActivity">
<intent-filter>
<action android:name="android.intent.action.BOOT_COMPLETED"></action>
<category android:name="android.intent.category.DEFAULT"></category>
</intent-filter>
</receiver>
</application>
</manifest>
何か助けてください？