Android onLocationChanged()未在服务内自动调用
编写了一个Android onLocationChanged()未在服务内自动调用,android,android-gps,Android,Android Gps,编写了一个服务类来获取位置,它在某些设备(如三星s7 edge)上获取位置,而在三星j5等设备上获取位置失败。我只是想知道这是代码问题还是手机特有的问题。下面的代码是获取位置的服务类: public class LocationService extends Service { private static final String TAG = "myService"; private LocationManager mLocationManager = null;
服务
类来获取位置,它在某些设备(如三星s7 edge)上获取位置,而在三星j5等设备上获取位置失败。我只是想知道这是代码问题还是手机特有的问题。下面的代码是获取位置的服务
类:
public class LocationService extends Service {
private static final String TAG = "myService";
private LocationManager mLocationManager = null;
private static final int LOCATION_INTERVAL = 1000;
private static final float LOCATION_DISTANCE = 50f;
boolean inside;
TelephonyManager tMgr;
String mPhoneNumber;
private class MyLocationListener implements
android.location.LocationListener {
Location mLastLocation;
public MyLocationListener(String provider) {
Log.d(TAG, "LocationListener " + provider);
mLastLocation = new Location(provider);
}
@Override
public void onLocationChanged(Location location) {
Log.d("myLocation", "onLocationChanged: " + location);
Location locationA = new Location("point A");
locationA.setLatitude(33.65340376);
locationA.setLongitude(73.03382854);
float distance = locationA.distanceTo(location);
Log.e(TAG, "Total distance: " + distance);
mLastLocation.set(location);
}
@Override
public void onProviderDisabled(String provider) {
Log.e(TAG, "onProviderDisabled: " + provider);
}
@Override
public void onProviderEnabled(String provider) {
Log.e(TAG, "onProviderEnabled: " + provider);
}
@Override
public void onStatusChanged(String provider, int status, Bundle extras) {
Log.e(TAG, "onStatusChanged: " + provider);
}
}
MyLocationListener[] mLocationListeners = new MyLocationListener[]{
new MyLocationListener(LocationManager.GPS_PROVIDER),
new MyLocationListener(LocationManager.NETWORK_PROVIDER)
};
@Override
public IBinder onBind(Intent arg0) {
return null;
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Log.e(TAG, "onStartCommand");
super.onStartCommand(intent, flags, startId);
return START_STICKY;
}
@Override
public void onCreate() {
DatabaseHandler db = new DatabaseHandler(getApplicationContext());
int lastStatus = db.getLastTimeStatus();
if (lastStatus == 0) {
inside = true;
} else if (lastStatus == 1) {
inside = false;
}
tMgr = (TelephonyManager) getApplicationContext().getSystemService(Context.TELEPHONY_SERVICE);
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.READ_SMS) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(this, Manifest.permission.READ_PHONE_STATE) != PackageManager.PERMISSION_GRANTED) {
return;
}
mPhoneNumber = tMgr.getLine1Number();
Log.e(TAG, "onCreate");
initializeLocationManager();
try {
mLocationManager.requestLocationUpdates(
LocationManager.GPS_PROVIDER, LOCATION_INTERVAL, LOCATION_DISTANCE,
mLocationListeners[0]);
} catch (java.lang.SecurityException ex) {
Log.i(TAG, "fail to request location update, ignore", ex);
} catch (IllegalArgumentException ex) {
Log.d(TAG, "gps provider does not exist " + ex.getMessage());
}
}
@Override
public void onDestroy()
{
Log.e(TAG, "onDestroy");
super.onDestroy();
if (mLocationManager != null) {
for (int i = 0; i < mLocationListeners.length; i++) {
try {
mLocationManager.removeUpdates(mLocationListeners[i]);
} catch (Exception ex) {
Log.i(TAG, "fail to remove location listners, ignore", ex);
}
}
}
}
private void initializeLocationManager() {
Log.e(TAG, "initializeLocationManager");
if (mLocationManager == null) {
mLocationManager = (LocationManager) getApplicationContext().getSystemService(Context.LOCATION_SERVICE);
}
}
}
公共类定位服务扩展服务{
私有静态最终字符串TAG=“myService”;
私有位置管理器mLocationManager=null;
专用静态最终int位置_间隔=1000;
专用静态最终浮动位置_距离=50f;
内部布尔值;
电话管理员tMgr;
字符串管理器;
私有类MyLocationListener实现
android.location.LocationListener{
位置mLastLocation;
公共MyLocationListener(字符串提供程序){
Log.d(标记“LocationListener”+提供程序);
mLastLocation=新位置(提供商);
}
@凌驾
已更改位置上的公共无效(位置){
Log.d(“myLocation”、“onLocationChanged:+位置”);
位置A=新位置(“点A”);
地点a.设置纬度(33.65340376);
地点a.经度(73.03382854);
浮动距离=位置A.distanceTo(位置);
Log.e(标签“总距离:”+距离);
mLastLocation.set(位置);
}
@凌驾
公共无效onProviderDisabled(字符串提供程序){
Log.e(标记“onProviderDisabled:+提供程序”);
}
@凌驾
公共无效onProviderEnabled(字符串提供程序){
Log.e(标记“onProviderEnabled:+提供程序”);
}
@凌驾
public void onStatusChanged(字符串提供程序、int状态、Bundle extra){
Log.e(标记“onStatusChanged:+提供者”);
}
}
MyLocationListener[]mLocationListeners=新建MyLocationListener[]{
新的MyLocationListener(LocationManager.GPS_提供程序),
新建MyLocationListener(LocationManager.NETWORK\u提供程序)
};
@凌驾
公共IBinder onBind(意图arg0){
返回null;
}
@凌驾
公共int onStartCommand(Intent Intent、int标志、int startId){
Log.e(标记“onStartCommand”);
super.onStartCommand(intent、flags、startId);
返回开始时间;
}
@凌驾
public void onCreate(){
DatabaseHandler db=新的DatabaseHandler(getApplicationContext());
int lastStatus=db.getLastTimeStatus();
如果(lastStatus==0){
内=真;
}else if(lastStatus==1){
内=假;
}
tMgr=(TelephonyManager)getApplicationContext().getSystemService(Context.TELEPHONY\u服务);
if(ActivityCompat.checkSelfPermission(this,Manifest.permission.READ\u SMS)!=PackageManager.permission\u已授予&ActivityCompat.checkSelfPermission(this,Manifest.permission.READ\u STATE)!=PackageManager.permission\u已授予){
返回;
}
mPhoneNumber=tMgr.getLine1Number();
Log.e(标记为“onCreate”);
初始化ElocationManager();
试一试{
mLocationManager.RequestLocationUpdate(
LocationManager.GPS\u提供程序、位置\u间隔、位置\u距离、,
mLocationListeners[0]);
}catch(java.lang.SecurityException ex){
Log.i(标记“无法请求位置更新,忽略”,例如);
}捕获(IllegalArgumentException ex){
Log.d(标记“gps提供程序不存在”+ex.getMessage());
}
}
@凌驾
公共空间
{
Log.e(标签“onDestroy”);
super.ondestory();
if(mLocationManager!=null){
for(int i=0;i
其他方法,如
onProviderEnabled()
etc,都可以正常工作,但是onlocationChanged()
在大多数情况下都不会选择用户的当前位置,但有时它会突然同时触发4、5个位置。您找到什么了吗?