Android 谷歌地图:我可以通过onNewIntent接收碎片活动中的数据吗
我试图将serializable arrayList作为意图传递给MapAndroid 谷歌地图:我可以通过onNewIntent接收碎片活动中的数据吗,android,google-maps,android-fragments,android-intent,Android,Google Maps,Android Fragments,Android Intent,我试图将serializable arrayList作为意图传递给MapFragmentActivity,但我面临的问题是,在10-20秒后调用了onNewIntent方法,这会延迟传递数据的位置。在FragmentActivity中,我可以使用onNewIntent接收数据吗?为什么传递意图时需要时间调用它 我以前用onCreate()方法创建了一个包含数据的列表,google地图加载速度很快 谢谢你的帮助 我的服务中的代码: Intent intent
FragmentActivity
,但我面临的问题是,在10-20秒后调用了onNewIntent
方法,这会延迟传递数据的位置。在FragmentActivity
中,我可以使用onNewIntent
接收数据吗?为什么传递意图时需要时间调用它
我以前用onCreate()
方法创建了一个包含数据的列表,google地图加载速度很快
谢谢你的帮助
我的服务中的代码:
Intent intent1 = new Intent(this, Map.class);
intent1.putExtra("list_data", data);
intent1.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
| Intent.FLAG_ACTIVITY_SINGLE_TOP);
startActivity(intent1);
public class Map extends FragmentActivity implements OnMapReadyCallback {
GoogleMap map;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (servicesOK()) {
setContentView(R.layout.map);
} else {
setContentView(R.layout.map_main);
}
}
public boolean servicesOK() {
int isAvailable = GooglePlayServicesUtil
.isGooglePlayServicesAvailable(this);
if (isAvailable == ConnectionResult.SUCCESS) {
return true;
} else if (GooglePlayServicesUtil.isUserRecoverableError(isAvailable)) {
Dialog dialog = GooglePlayServicesUtil.getErrorDialog(isAvailable,
this, 9001);
dialog.show();
} else {
Toast.makeText(this, "Cant't connect to Google Play services",
Toast.LENGTH_SHORT).show();
}
return false;
}
private boolean initMap() {
if (map == null) {
SupportMapFragment mapFrag = (SupportMapFragment) getSupportFragmentManager()
.findFragmentById(R.id.map);
map = mapFrag.getMap();
}
return (map != null);
}
private void gotoLocation(double lat, double lng, String route_direct) {
SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
.findFragmentById(R.id.map);
mapFragment.getMapAsync(this);
final float zoom = 11;
LatLng ll = new LatLng(lat, lng);
if (lat != 0 && lng != 0 && !route_direct.isEmpty()) {
MarkerOptions markerOpt = new MarkerOptions().title(route_direct)
.position(ll).visible(true);
Marker marker = map.addMarker(markerOpt);
marker.showInfoWindow();
CameraUpdate update = CameraUpdateFactory.newLatLngZoom(ll, zoom);
map.moveCamera(update);
Toast.makeText(this, "inside getoLocation()!", Toast.LENGTH_SHORT)
.show();
}
}
@Override
public void onMapReady(GoogleMap arg0) {
// TODO Auto-generated method stub
}
@Override
protected void onNewIntent(Intent intent) {
// TODO Auto-generated method stub
super.onNewIntent(intent);
@SuppressWarnings("unchecked")
ArrayList<ItemDTO> list = (ArrayList<ItemDTO>) intent
.getSerializableExtra("list_data");
for (ItemDTO itemDTO : list) {
double latitude = itemDTO.getLatitude();
double longitude = itemDTO.getLongitude();
int route1 = itemDTO.getRoute();
String route = Integer.toString(route1);
String direction = itemDTO.getDirection();
String route_dirc = route + ", " + direction;
if (initMap()) {
Toast.makeText(this, "Ready to Map", Toast.LENGTH_SHORT).show();
gotoLocation(latitude, longitude, route_dirc);
} else {
Toast.makeText(this, "Map not avialable", Toast.LENGTH_SHORT)
.show();
}
}
Toast.makeText(this, "onNewIntent end!", Toast.LENGTH_SHORT).show();
}
@Override
public void onBackPressed() {
// TODO Auto-generated method stub
super.onBackPressed();
}
地图活动:
Intent intent1 = new Intent(this, Map.class);
intent1.putExtra("list_data", data);
intent1.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK
| Intent.FLAG_ACTIVITY_SINGLE_TOP);
startActivity(intent1);
public class Map extends FragmentActivity implements OnMapReadyCallback {
GoogleMap map;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (servicesOK()) {
setContentView(R.layout.map);
} else {
setContentView(R.layout.map_main);
}
}
public boolean servicesOK() {
int isAvailable = GooglePlayServicesUtil
.isGooglePlayServicesAvailable(this);
if (isAvailable == ConnectionResult.SUCCESS) {
return true;
} else if (GooglePlayServicesUtil.isUserRecoverableError(isAvailable)) {
Dialog dialog = GooglePlayServicesUtil.getErrorDialog(isAvailable,
this, 9001);
dialog.show();
} else {
Toast.makeText(this, "Cant't connect to Google Play services",
Toast.LENGTH_SHORT).show();
}
return false;
}
private boolean initMap() {
if (map == null) {
SupportMapFragment mapFrag = (SupportMapFragment) getSupportFragmentManager()
.findFragmentById(R.id.map);
map = mapFrag.getMap();
}
return (map != null);
}
private void gotoLocation(double lat, double lng, String route_direct) {
SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
.findFragmentById(R.id.map);
mapFragment.getMapAsync(this);
final float zoom = 11;
LatLng ll = new LatLng(lat, lng);
if (lat != 0 && lng != 0 && !route_direct.isEmpty()) {
MarkerOptions markerOpt = new MarkerOptions().title(route_direct)
.position(ll).visible(true);
Marker marker = map.addMarker(markerOpt);
marker.showInfoWindow();
CameraUpdate update = CameraUpdateFactory.newLatLngZoom(ll, zoom);
map.moveCamera(update);
Toast.makeText(this, "inside getoLocation()!", Toast.LENGTH_SHORT)
.show();
}
}
@Override
public void onMapReady(GoogleMap arg0) {
// TODO Auto-generated method stub
}
@Override
protected void onNewIntent(Intent intent) {
// TODO Auto-generated method stub
super.onNewIntent(intent);
@SuppressWarnings("unchecked")
ArrayList<ItemDTO> list = (ArrayList<ItemDTO>) intent
.getSerializableExtra("list_data");
for (ItemDTO itemDTO : list) {
double latitude = itemDTO.getLatitude();
double longitude = itemDTO.getLongitude();
int route1 = itemDTO.getRoute();
String route = Integer.toString(route1);
String direction = itemDTO.getDirection();
String route_dirc = route + ", " + direction;
if (initMap()) {
Toast.makeText(this, "Ready to Map", Toast.LENGTH_SHORT).show();
gotoLocation(latitude, longitude, route_dirc);
} else {
Toast.makeText(this, "Map not avialable", Toast.LENGTH_SHORT)
.show();
}
}
Toast.makeText(this, "onNewIntent end!", Toast.LENGTH_SHORT).show();
}
@Override
public void onBackPressed() {
// TODO Auto-generated method stub
super.onBackPressed();
}
公共类映射扩展了FragmentActivity在MapreadyCallback上的实现{
谷歌地图;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
if(servicesOK()){
setContentView(R.layout.map);
}否则{
setContentView(R.layout.map_main);
}
}
公共布尔服务sok(){
int isAvailable=GooglePlayServicesUtil
.isGooglePlayServicesAvailable(此);
if(isAvailable==ConnectionResult.SUCCESS){
返回true;
}else if(GooglePlayServicesUtil.isUserRecoverableError(isAvailable)){
Dialog Dialog=GooglePlayServicesUtil.getErrorDialog(可用,
这是(9001);
dialog.show();
}否则{
Toast.makeText(这是“无法连接到Google Play服务”,
吐司。长度(短)。show();
}
返回false;
}
私有布尔initMap(){
if(map==null){
SupportMapFragment MapFragment=(SupportMapFragment)getSupportFragmentManager()
.findFragmentById(R.id.map);
map=mapFrag.getMap();
}
返回(map!=null);
}
专用空位定位(双lat、双lng、管柱直接路由){
SupportMapFragment mapFragment=(SupportMapFragment)getSupportFragmentManager()
.findFragmentById(R.id.map);
getMapAsync(这个);
最终浮点缩放=11;
LatLng ll=新LatLng(lat,lng);
如果(lat!=0&&lng!=0&&!route_direct.isEmpty()){
MarkerOptions markerOpt=新的MarkerOptions().标题(路线\直达)
.位置(ll).可见(真实);
Marker-Marker=map.addMarker(markerOpt);
marker.showInfoWindow();
CameraUpdate update=CameraUpdateFactory.newLatLngZoom(ll,缩放);
地图。移动摄像机(更新);
Toast.makeText(这是“inside getoLocation()!”,Toast.LENGTH\u SHORT)
.show();
}
}
@凌驾
mapready上的公共无效(谷歌地图arg0){
//TODO自动生成的方法存根
}
@凌驾
受保护的void onNewIntent(意图){
//TODO自动生成的方法存根
super.onNewIntent(意向);
@抑制警告(“未选中”)
ArrayList list=(ArrayList)intent
.getSerializableExtra(“列表数据”);
for(ItemDTO ItemDTO:list){
双纬度=itemDTO.getLatitude();
double longitude=itemDTO.getLongitude();
int route1=itemDTO.getRoute();
字符串route=Integer.toString(route1);
字符串方向=itemDTO.getDirection();
字符串route_dirc=route+“,”+方向;
if(initMap()){
Toast.makeText(这是“准备映射”,Toast.LENGTH_SHORT).show();
地理位置(纬度、经度、路线);
}否则{
Toast.makeText(此“地图不可导航”,Toast.LENGTH\u SHORT)
.show();
}
}
Toast.makeText(这是“onNewIntent end!”,Toast.LENGTH_SHORT.show();
}
@凌驾
public void onBackPressed(){
//TODO自动生成的方法存根
super.onBackPressed();
}
也许能回答您的问题question@so_jin_ee:我以前也读过,我正在用FLAG\u ACTIVITY\u SINGLE\u TOP``和onNewIntent`一起使用。问题出在哪里?