public class ServiceGo extends Service {
// 定位相关变量
public static final double DEFAULT_LAT = 36.667662;
public static final double DEFAULT_LNG = 117.027707;
public static final double DEFAULT_ALT = 55.0D;
public static final float DEFAULT_BEA = 0.0F;
private double mCurLat = DEFAULT_LAT;
private double mCurLng = DEFAULT_LNG;
private double mCurAlt = DEFAULT_ALT;
private float mCurBea = DEFAULT_BEA;
private double mSpeed = 1.2; /* 默认的速度，单位 m/s */
private static final int HANDLER_MSG_ID = 0;
private static final String SERVICE_GO_HANDLER_NAME = "ServiceGoLocation";
private LocationManager mLocManager;
private HandlerThread mLocHandlerThread;
private Handler mLocHandler;
private boolean isStop = false;
// 通知栏消息
private static final int SERVICE_GO_NOTE_ID = 1;
private static final String SERVICE_GO_NOTE_ACTION_JOYSTICK_SHOW = "ShowJoyStick";
private static final String SERVICE_GO_NOTE_ACTION_JOYSTICK_HIDE = "HideJoyStick";
private static final String SERVICE_GO_NOTE_CHANNEL_ID = "SERVICE_GO_NOTE";
private static final String SERVICE_GO_NOTE_CHANNEL_NAME = "SERVICE_GO_NOTE";
private NoteActionReceiver mActReceiver;
// 摇杆相关
private JoyStick mJoyStick;
private final ServiceGoBinder mBinder = new ServiceGoBinder();
@Override
public IBinder onBind(Intent intent) {
return mBinder;
}
@Override
public void onCreate() {
super.onCreate();
mLocManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
removeTestProviderNetwork();
addTestProviderNetwork();
removeTestProviderGPS();
addTestProviderGPS();
initGoLocation();
initNotification();
initJoyStick();
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
mCurLng = intent.getDoubleExtra(MainActivity.LNG_MSG_ID, DEFAULT_LNG);
mCurLat = intent.getDoubleExtra(MainActivity.LAT_MSG_ID, DEFAULT_LAT);
mCurAlt = intent.getDoubleExtra(MainActivity.ALT_MSG_ID, DEFAULT_ALT);
mJoyStick.setCurrentPosition(mCurLng, mCurLat, mCurAlt);
return super.onStartCommand(intent, flags, startId);
}
@Override
public void onDestroy() {
isStop = true;
mLocHandler.removeMessages(HANDLER_MSG_ID);
mLocHandlerThread.quit();
mJoyStick.destroy();
removeTestProviderNetwork();
removeTestProviderGPS();
unregisterReceiver(mActReceiver);
stopForeground(STOP_FOREGROUND_REMOVE);
super.onDestroy();
}
private void initNotification() {
mActReceiver = new NoteActionReceiver();
IntentFilter filter = new IntentFilter();
filter.addAction(SERVICE_GO_NOTE_ACTION_JOYSTICK_SHOW);
filter.addAction(SERVICE_GO_NOTE_ACTION_JOYSTICK_HIDE);
registerReceiver(mActReceiver, filter);
NotificationChannel mChannel = new NotificationChannel(SERVICE_GO_NOTE_CHANNEL_ID, SERVICE_GO_NOTE_CHANNEL_NAME, NotificationManager.IMPORTANCE_DEFAULT);
NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
if (notificationManager != null) {
notificationManager.createNotificationChannel(mChannel);
}
//准备intent
Intent clickIntent = new Intent(this, MainActivity.class);
PendingIntent clickPI = PendingIntent.getActivity(this, 1, clickIntent, PendingIntent.FLAG_IMMUTABLE);
Intent showIntent = new Intent(SERVICE_GO_NOTE_ACTION_JOYSTICK_SHOW);
PendingIntent showPendingPI = PendingIntent.getBroadcast(this, 0, showIntent, PendingIntent.FLAG_IMMUTABLE);
Intent hideIntent = new Intent(SERVICE_GO_NOTE_ACTION_JOYSTICK_HIDE);
PendingIntent hidePendingPI = PendingIntent.getBroadcast(this, 0, hideIntent, PendingIntent.FLAG_IMMUTABLE);
Notification notification = new NotificationCompat.Builder(this, SERVICE_GO_NOTE_CHANNEL_ID)
.setChannelId(SERVICE_GO_NOTE_CHANNEL_ID)
.setContentTitle(getResources().getString(R.string.app_name))
.setContentText(getResources().getString(R.string.app_service_tips))
.setContentIntent(clickPI)
.addAction(new NotificationCompat.Action(null, getResources().getString(R.string.note_show), showPendingPI))
.addAction(new NotificationCompat.Action(null, getResources().getString(R.string.note_hide), hidePendingPI))
.setSmallIcon(R.mipmap.ic_launcher)
.build();
startForeground(SERVICE_GO_NOTE_ID, notification);
}
private void initJoyStick() {
mJoyStick = new JoyStick(this);
mJoyStick.setListener(new JoyStick.JoyStickClickListener() {
@Override
public void onMoveInfo(double speed, double disLng, double disLat, double angle) {
mSpeed = speed;
// 根据当前的经纬度和距离，计算下一个经纬度
// Latitude: 1 deg = 110.574 km // 纬度的每度的距离大约为 110.574km
// Longitude: 1 deg = 111.320*cos(latitude) km // 经度的每度的距离从0km到111km不等
// 具体见：http://wp.mlab.tw/?p=2200
mCurLng += disLng / (111.320 * Math.cos(Math.abs(mCurLat) * Math.PI / 180));
mCurLat += disLat / 110.574;
mCurBea = (float) angle;
}
@Override
public void onPositionInfo(double lng, double lat, double alt) {
mCurLng = lng;
mCurLat = lat;
mCurAlt = alt;
}
});
mJoyStick.show();
}
private void initGoLocation() {
// 创建 HandlerThread 实例，第一个参数是线程的名字
mLocHandlerThread = new HandlerThread(SERVICE_GO_HANDLER_NAME, Process.THREAD_PRIORITY_FOREGROUND);
// 启动 HandlerThread 线程
mLocHandlerThread.start();
// Handler 对象与 HandlerThread 的 Looper 对象的绑定
mLocHandler = new Handler(mLocHandlerThread.getLooper()) {
// 这里的Handler对象可以看作是绑定在HandlerThread子线程中，所以handlerMessage里的操作是在子线程中运行的
@Override
public void handleMessage(@NonNull Message msg) {
try {
Thread.sleep(100);
if (!isStop) {
setLocationNetwork();
setLocationGPS();
sendEmptyMessage(HANDLER_MSG_ID);
}
} catch (InterruptedException e) {
XLog.e("SERVICEGO: ERROR - handleMessage");
Thread.currentThread().interrupt();
}
}
};
mLocHandler.sendEmptyMessage(HANDLER_MSG_ID);
}
private void removeTestProviderGPS() {
try {
if (mLocManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {
mLocManager.setTestProviderEnabled(LocationManager.GPS_PROVIDER, false);
mLocManager.removeTestProvider(LocationManager.GPS_PROVIDER);
}
} catch (Exception e) {
XLog.e("SERVICEGO: ERROR - removeTestProviderGPS");
}
}
// 注意下面临时添加 @SuppressLint("wrongconstant") 以处理 addTestProvider 参数值的 lint 错误
@SuppressLint("wrongconstant")
private void addTestProviderGPS() {
try {
// 注意，由于 android api 问题，下面的参数会提示错误(以下参数是通过相关API获取的真实GPS参数，不是随便写的)
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
mLocManager.addTestProvider(LocationManager.GPS_PROVIDER, false, true, false,
false, true, true, true, ProviderProperties.POWER_USAGE_HIGH, ProviderProperties.ACCURACY_FINE);
} else {
mLocManager.addTestProvider(LocationManager.GPS_PROVIDER, false, true, false,
false, true, true, true, Criteria.POWER_HIGH, Criteria.ACCURACY_FINE);
}
if (!mLocManager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {
mLocManager.setTestProviderEnabled(LocationManager.GPS_PROVIDER, true);
}
} catch (Exception e) {
XLog.e("SERVICEGO: ERROR - addTestProviderGPS");
}
}
private void setLocationGPS() {
try {
// 尽可能模拟真实的 GPS 数据
Location loc = new Location(LocationManager.GPS_PROVIDER);
loc.setAccuracy(Criteria.ACCURACY_FINE); // 设定此位置的估计水平精度，以米为单位。
loc.setAltitude(mCurAlt); // 设置高度，在 WGS 84 参考坐标系中的米
loc.setBearing(mCurBea); // 方向（度）
loc.setLatitude(mCurLat); // 纬度（度）
loc.setLongitude(mCurLng); // 经度（度）
loc.setTime(System.currentTimeMillis()); // 本地时间
loc.setSpeed((float) mSpeed);
loc.setElapsedRealtimeNanos(SystemClock.elapsedRealtimeNanos());
Bundle bundle = new Bundle();
bundle.putInt("satellites", 7);
loc.setExtras(bundle);
mLocManager.setTestProviderLocation(LocationManager.GPS_PROVIDER, loc);
} catch (Exception e) {
XLog.e("SERVICEGO: ERROR - setLocationGPS");
}
}
private void removeTestProviderNetwork() {
try {
if (mLocManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER)) {
mLocManager.setTestProviderEnabled(LocationManager.NETWORK_PROVIDER, false);
mLocManager.removeTestProvider(LocationManager.NETWORK_PROVIDER);
}
} catch (Exception e) {
XLog.e("SERVICEGO: ERROR - removeTestProviderNetwork");
}
}
// 注意下面临时添加 @SuppressLint("wrongconstant") 以处理 addTestProvider 参数值的 lint 错误
@SuppressLint("wrongconstant")
private void addTestProviderNetwork() {
try {
// 注意，由于 android api 问题，下面的参数会提示错误(以下参数是通过相关API获取的真实NETWORK参数，不是随便写的)
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
mLocManager.addTestProvider(LocationManager.NETWORK_PROVIDER, true, false,
true, true, true, true,
true, ProviderProperties.POWER_USAGE_LOW, ProviderProperties.ACCURACY_COARSE);
} else {
mLocManager.addTestProvider(LocationManager.NETWORK_PROVIDER, true, false,
true, true, true, true,
true, Criteria.POWER_LOW, Criteria.ACCURACY_COARSE);
}
if (!mLocManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER)) {
mLocManager.setTestProviderEnabled(LocationManager.NETWORK_PROVIDER, true);
}
} catch (SecurityException e) {
XLog.e("SERVICEGO: ERROR - addTestProviderNetwork");
}
}
private void setLocationNetwork() {
try {
// 尽可能模拟真实的 NETWORK 数据
Location loc = new Location(LocationManager.NETWORK_PROVIDER);
loc.setAccuracy(Criteria.ACCURACY_COARSE); // 设定此位置的估计水平精度，以米为单位。
loc.setAltitude(mCurAlt); // 设置高度，在 WGS 84 参考坐标系中的米
loc.setBearing(mCurBea); // 方向（度）
loc.setLatitude(mCurLat); // 纬度（度）
loc.setLongitude(mCurLng); // 经度（度）
loc.setTime(System.currentTimeMillis()); // 本地时间
loc.setSpeed((float) mSpeed);
loc.setElapsedRealtimeNanos(SystemClock.elapsedRealtimeNanos());
mLocManager.setTestProviderLocation(LocationManager.NETWORK_PROVIDER, loc);
} catch (Exception e) {
XLog.e("SERVICEGO: ERROR - setLocationNetwork");
}
}
public class NoteActionReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (action != null) {
if (action.equals(SERVICE_GO_NOTE_ACTION_JOYSTICK_SHOW)) {
mJoyStick.show();
}
if (action.equals(SERVICE_GO_NOTE_ACTION_JOYSTICK_HIDE)) {
mJoyStick.hide();
}
}
}
}
public class ServiceGoBinder extends Binder {
public void setPosition(double lng, double lat, double alt) {
mLocHandler.removeMessages(HANDLER_MSG_ID);
mCurLng = lng;
mCurLat = lat;
mCurAlt = alt;
mLocHandler.sendEmptyMessage(HANDLER_MSG_ID);
mJoyStick.setCurrentPosition(mCurLng, mCurLat, mCurAlt);
}
}
}
转换为KOTLIN 删除无关代码 补全完整代码 生成模拟定位功能的android12+ APP，
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本文介绍如何通过修改defaults.xml文件中的def_location_providers_allowed参数来启用GPS和网络定位服务。仅需将该参数设置为'gps,network'，然后清除SettingsProvider数据或恢复出厂设置即可实现。
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