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Ie6*lat与1000000*lat不一样吗? 包ntryn.n; 导入java.util.List; 导入android.content.Context; 导入android.graphics.drawable.drawable; 导入android.location.location; 导入android.location.LocationListener; 导入android.location.LocationManager; 导入android.os.Bundle; 导入android.util.Log; 导入android.widget.Toast; 导入com.google.android.maps.GeoPoint; 导入com.google.android.maps.MapActivity; 导入com.google.android.maps.MapController; 导入com.google.android.maps.MapView; 导入com.google.android.maps.Overlay; 导入com.google.android.maps.OverlayItem; 公共类ntryn扩展了MapActivity { 私有地图视图; 专用地图控制器; 地质点p、p2、p3、p4; 列出地图覆盖图; 可拉伸,可拉伸2,可拉伸3,可拉伸4; HelloItemizedOverlay itemizedOverlay,itemizedOverlay2,itemizedOverlay3,itemizedOverlay4; /**在首次创建活动时调用*/ @凌驾 创建时的公共void(Bundle savedInstanceState) { 试一试{ super.onCreate(savedInstanceState); setContentView(R.layout.main); /*使用LocationManager类获取GPS位置*/ LocationManager mlocManager=(LocationManager)getSystemService(Context.LOCATION\u服务); LocationListener mlocListener=新建MyLocationListener(); mlocManager.RequestLocationUpdate(LocationManager.GPS_提供程序,0,0,mlocListener); mapView=(mapView)findViewById(R.id.mapView); //默认情况下启用街景 mapView.setStreetView(真); //启用以显示卫星视图 //mapView.setSatellite(真); //启用以在地图上显示流量 //mapView.setTraffic(true); mapView.SetBuilTinZoomControl(真); mc=mapView.getController(); mapView.setStreetView(真); //mapView.setSatellite(真); mc.setZoom(12); addOverLays(); } 捕获(例外e){ Log.d(“eeeeeeee”,e.getMessage()); } } 公共void addOverLays(){ 字符串[]坐标={“30.08426249027252”、“31.33625864982605”、“30.084123015403748”、“51.5002”、“-0.1262”、“31.33714914328994”}; 双lat=30.084262490272522,lat2=51.5002,lat3=30.084123015403748; 双对数=31.33625864982605,对数2=-0.1262,对数3=31.33714914328994; p=新的地质点((内部)(纬度*1E6),(内部)(对数*1E6)); p2=新的地质点((内部)(lat2*1e6),(内部)(log2*1e6)); p3=新的地质点((int)(lat3*1000000),(int)(log3*1000000)); mapOverlays=mapView.getOverlays(); drawable=this.getResources().getDrawable(R.drawable.ballon); drawable2=this.getResources().getDrawable(R.drawable.dotred); drawable3=this.getResources().getDrawable(R.drawable.icon); itemizedOverlay=新的HelloItemizedOverlay(可绘制,此); itemizedOverlay2=新的HelloItemizedOverlay(可绘图2,本); itemizedOverlay3=新的HelloItemizedOverlay(可绘图3,本); OverlayItem OverlayItem=新的OverlayItem(p,“Cairo”,“over1”); OverlayItem over2=新的OverlayItem(p2,“ulm”,“over2”); OverlayItem over3=新的OverlayItem(p3,“offff”,“over3”); itemizedOverlay.addOverlay(overlayitem); 添加(itemizedOverlay); 项目化覆盖2.添加覆盖(超过2); 添加(itemizedOverlay2); 项目化覆盖2.添加覆盖(超过3); 添加(itemizedOverlay3); mc.setZoom(17); //司马迁(p),; } /*类我的位置侦听器*/ 公共类MyLocationListener实现LocationListener { @凌驾 位置更改后的公共无效(位置loc) { 地质点=新的地质点((int)(位置getLatitude()*1E6), (int)(loc.getLongitude()*1E6)); //DoubletoString(loc.getLatitude()); //DoubletoString(loc.getLongitude()); String Text=“我的当前位置是:”+ “Latitud=“+loc.getLatitude()+ “Longitud=“+loc.getlongitud(); Toast.makeText(getApplicationContext(), 文本, 吐司。长度(短)。show(); 司仪(点),; } 私有void DoubletoString(双纬度){ //TODO自动生成的方法存根 } 公共无效onProviderDisabled(字符串提供程序) { Toast.makeText(getApplicationContext(), “Gps禁用”, Toast.LENGTH_SHORT).show(); } 公共无效onProviderEnabled(字符串提供程序) { Toast.makeText(getApplicationContext(), “启用Gps”, 吐司。长度(短)。show(); } public void onStatusChanged(字符串提供程序、int状态、Bundle extra) { } 受保护的布尔值isRouteDisplayed(){ 返回false; } }/*MyLocationListener类结束*/ @凌驾 受保护的布尔值isRouteDisplayed(){ //TODO自动生成的方法存根 返回false; } } /*使用结束GPS活动*/_Android - Fatal编程技术网

Ie6*lat与1000000*lat不一样吗? 包ntryn.n; 导入java.util.List; 导入android.content.Context; 导入android.graphics.drawable.drawable; 导入android.location.location; 导入android.location.LocationListener; 导入android.location.LocationManager; 导入android.os.Bundle; 导入android.util.Log; 导入android.widget.Toast; 导入com.google.android.maps.GeoPoint; 导入com.google.android.maps.MapActivity; 导入com.google.android.maps.MapController; 导入com.google.android.maps.MapView; 导入com.google.android.maps.Overlay; 导入com.google.android.maps.OverlayItem; 公共类ntryn扩展了MapActivity { 私有地图视图; 专用地图控制器; 地质点p、p2、p3、p4; 列出地图覆盖图; 可拉伸,可拉伸2,可拉伸3,可拉伸4; HelloItemizedOverlay itemizedOverlay,itemizedOverlay2,itemizedOverlay3,itemizedOverlay4; /**在首次创建活动时调用*/ @凌驾 创建时的公共void(Bundle savedInstanceState) { 试一试{ super.onCreate(savedInstanceState); setContentView(R.layout.main); /*使用LocationManager类获取GPS位置*/ LocationManager mlocManager=(LocationManager)getSystemService(Context.LOCATION\u服务); LocationListener mlocListener=新建MyLocationListener(); mlocManager.RequestLocationUpdate(LocationManager.GPS_提供程序,0,0,mlocListener); mapView=(mapView)findViewById(R.id.mapView); //默认情况下启用街景 mapView.setStreetView(真); //启用以显示卫星视图 //mapView.setSatellite(真); //启用以在地图上显示流量 //mapView.setTraffic(true); mapView.SetBuilTinZoomControl(真); mc=mapView.getController(); mapView.setStreetView(真); //mapView.setSatellite(真); mc.setZoom(12); addOverLays(); } 捕获(例外e){ Log.d(“eeeeeeee”,e.getMessage()); } } 公共void addOverLays(){ 字符串[]坐标={“30.08426249027252”、“31.33625864982605”、“30.084123015403748”、“51.5002”、“-0.1262”、“31.33714914328994”}; 双lat=30.084262490272522,lat2=51.5002,lat3=30.084123015403748; 双对数=31.33625864982605,对数2=-0.1262,对数3=31.33714914328994; p=新的地质点((内部)(纬度*1E6),(内部)(对数*1E6)); p2=新的地质点((内部)(lat2*1e6),(内部)(log2*1e6)); p3=新的地质点((int)(lat3*1000000),(int)(log3*1000000)); mapOverlays=mapView.getOverlays(); drawable=this.getResources().getDrawable(R.drawable.ballon); drawable2=this.getResources().getDrawable(R.drawable.dotred); drawable3=this.getResources().getDrawable(R.drawable.icon); itemizedOverlay=新的HelloItemizedOverlay(可绘制,此); itemizedOverlay2=新的HelloItemizedOverlay(可绘图2,本); itemizedOverlay3=新的HelloItemizedOverlay(可绘图3,本); OverlayItem OverlayItem=新的OverlayItem(p,“Cairo”,“over1”); OverlayItem over2=新的OverlayItem(p2,“ulm”,“over2”); OverlayItem over3=新的OverlayItem(p3,“offff”,“over3”); itemizedOverlay.addOverlay(overlayitem); 添加(itemizedOverlay); 项目化覆盖2.添加覆盖(超过2); 添加(itemizedOverlay2); 项目化覆盖2.添加覆盖(超过3); 添加(itemizedOverlay3); mc.setZoom(17); //司马迁(p),; } /*类我的位置侦听器*/ 公共类MyLocationListener实现LocationListener { @凌驾 位置更改后的公共无效(位置loc) { 地质点=新的地质点((int)(位置getLatitude()*1E6), (int)(loc.getLongitude()*1E6)); //DoubletoString(loc.getLatitude()); //DoubletoString(loc.getLongitude()); String Text=“我的当前位置是:”+ “Latitud=“+loc.getLatitude()+ “Longitud=“+loc.getlongitud(); Toast.makeText(getApplicationContext(), 文本, 吐司。长度(短)。show(); 司仪(点),; } 私有void DoubletoString(双纬度){ //TODO自动生成的方法存根 } 公共无效onProviderDisabled(字符串提供程序) { Toast.makeText(getApplicationContext(), “Gps禁用”, Toast.LENGTH_SHORT).show(); } 公共无效onProviderEnabled(字符串提供程序) { Toast.makeText(getApplicationContext(), “启用Gps”, 吐司。长度(短)。show(); } public void onStatusChanged(字符串提供程序、int状态、Bundle extra) { } 受保护的布尔值isRouteDisplayed(){ 返回false; } }/*MyLocationListener类结束*/ @凌驾 受保护的布尔值isRouteDisplayed(){ //TODO自动生成的方法存根 返回false; } } /*使用结束GPS活动*/

Ie6*lat与1000000*lat不一样吗? 包ntryn.n; 导入java.util.List; 导入android.content.Context; 导入android.graphics.drawable.drawable; 导入android.location.location; 导入android.location.LocationListener; 导入android.location.LocationManager; 导入android.os.Bundle; 导入android.util.Log; 导入android.widget.Toast; 导入com.google.android.maps.GeoPoint; 导入com.google.android.maps.MapActivity; 导入com.google.android.maps.MapController; 导入com.google.android.maps.MapView; 导入com.google.android.maps.Overlay; 导入com.google.android.maps.OverlayItem; 公共类ntryn扩展了MapActivity { 私有地图视图; 专用地图控制器; 地质点p、p2、p3、p4; 列出地图覆盖图; 可拉伸,可拉伸2,可拉伸3,可拉伸4; HelloItemizedOverlay itemizedOverlay,itemizedOverlay2,itemizedOverlay3,itemizedOverlay4; /**在首次创建活动时调用*/ @凌驾 创建时的公共void(Bundle savedInstanceState) { 试一试{ super.onCreate(savedInstanceState); setContentView(R.layout.main); /*使用LocationManager类获取GPS位置*/ LocationManager mlocManager=(LocationManager)getSystemService(Context.LOCATION\u服务); LocationListener mlocListener=新建MyLocationListener(); mlocManager.RequestLocationUpdate(LocationManager.GPS_提供程序,0,0,mlocListener); mapView=(mapView)findViewById(R.id.mapView); //默认情况下启用街景 mapView.setStreetView(真); //启用以显示卫星视图 //mapView.setSatellite(真); //启用以在地图上显示流量 //mapView.setTraffic(true); mapView.SetBuilTinZoomControl(真); mc=mapView.getController(); mapView.setStreetView(真); //mapView.setSatellite(真); mc.setZoom(12); addOverLays(); } 捕获(例外e){ Log.d(“eeeeeeee”,e.getMessage()); } } 公共void addOverLays(){ 字符串[]坐标={“30.08426249027252”、“31.33625864982605”、“30.084123015403748”、“51.5002”、“-0.1262”、“31.33714914328994”}; 双lat=30.084262490272522,lat2=51.5002,lat3=30.084123015403748; 双对数=31.33625864982605,对数2=-0.1262,对数3=31.33714914328994; p=新的地质点((内部)(纬度*1E6),(内部)(对数*1E6)); p2=新的地质点((内部)(lat2*1e6),(内部)(log2*1e6)); p3=新的地质点((int)(lat3*1000000),(int)(log3*1000000)); mapOverlays=mapView.getOverlays(); drawable=this.getResources().getDrawable(R.drawable.ballon); drawable2=this.getResources().getDrawable(R.drawable.dotred); drawable3=this.getResources().getDrawable(R.drawable.icon); itemizedOverlay=新的HelloItemizedOverlay(可绘制,此); itemizedOverlay2=新的HelloItemizedOverlay(可绘图2,本); itemizedOverlay3=新的HelloItemizedOverlay(可绘图3,本); OverlayItem OverlayItem=新的OverlayItem(p,“Cairo”,“over1”); OverlayItem over2=新的OverlayItem(p2,“ulm”,“over2”); OverlayItem over3=新的OverlayItem(p3,“offff”,“over3”); itemizedOverlay.addOverlay(overlayitem); 添加(itemizedOverlay); 项目化覆盖2.添加覆盖(超过2); 添加(itemizedOverlay2); 项目化覆盖2.添加覆盖(超过3); 添加(itemizedOverlay3); mc.setZoom(17); //司马迁(p),; } /*类我的位置侦听器*/ 公共类MyLocationListener实现LocationListener { @凌驾 位置更改后的公共无效(位置loc) { 地质点=新的地质点((int)(位置getLatitude()*1E6), (int)(loc.getLongitude()*1E6)); //DoubletoString(loc.getLatitude()); //DoubletoString(loc.getLongitude()); String Text=“我的当前位置是:”+ “Latitud=“+loc.getLatitude()+ “Longitud=“+loc.getlongitud(); Toast.makeText(getApplicationContext(), 文本, 吐司。长度(短)。show(); 司仪(点),; } 私有void DoubletoString(双纬度){ //TODO自动生成的方法存根 } 公共无效onProviderDisabled(字符串提供程序) { Toast.makeText(getApplicationContext(), “Gps禁用”, Toast.LENGTH_SHORT).show(); } 公共无效onProviderEnabled(字符串提供程序) { Toast.makeText(getApplicationContext(), “启用Gps”, 吐司。长度(短)。show(); } public void onStatusChanged(字符串提供程序、int状态、Bundle extra) { } 受保护的布尔值isRouteDisplayed(){ 返回false; } }/*MyLocationListener类结束*/ @凌驾 受保护的布尔值isRouteDisplayed(){ //TODO自动生成的方法存根 返回false; } } /*使用结束GPS活动*/,android,Android,它迫使关闭。这是因为当我只添加2个时有3个重叠项,换句话说,删除了p3,即*1000000。它是工作的,但它不会缩放,当我想缩放时,它会显示force close1e6是一个浮点数,1000000是一个整数 package ntryn.n; import java.util.List; import android.content.Context; import android.graphics.drawable.Drawable; import android.location.Loca

它迫使关闭。这是因为当我只添加2个时有3个重叠项,换句话说,删除了p3,即*1000000。它是工作的,但它不会缩放,当我想缩放时,它会显示force close

1e6
是一个浮点数,
1000000
是一个整数

package ntryn.n;


import java.util.List;

import android.content.Context;
import android.graphics.drawable.Drawable;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.util.Log;
import android.widget.Toast;

import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapController;
import com.google.android.maps.MapView;
import com.google.android.maps.Overlay;
import com.google.android.maps.OverlayItem;


public class ntryn extends MapActivity

{
    private MapView mapView;
    private MapController mc;

    GeoPoint p, p2, p3, p4;
    List<Overlay> mapOverlays;
    Drawable drawable, drawable2 , drawable3, drawable4;
    HelloItemizedOverlay itemizedOverlay, itemizedOverlay2 , itemizedOverlay3, itemizedOverlay4;

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState)

{
try{
super.onCreate(savedInstanceState);

setContentView(R.layout.main);


/* Use the LocationManager class to obtain GPS locations */

LocationManager mlocManager = (LocationManager)getSystemService(Context.LOCATION_SERVICE);

LocationListener mlocListener = new MyLocationListener();

mlocManager.requestLocationUpdates( LocationManager.GPS_PROVIDER, 0, 0, mlocListener);
mapView = (MapView) findViewById(R.id.mapView);

// enable Street view by default
mapView.setStreetView(true);

// enable to show Satellite view
// mapView.setSatellite(true);

// enable to show Traffic on map
// mapView.setTraffic(true);
mapView.setBuiltInZoomControls(true);

mc = mapView.getController();
mapView.setStreetView(true);
//mapView.setSatellite(true);
mc.setZoom(12); 
addOverLays();
}
catch(Exception e){
    Log.d("eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee",e.getMessage());
}
}
public void addOverLays(){
    String [] coordinates = {"30.084262490272522","31.33625864982605" ,"30.084123015403748", "51.5002" , "-0.1262","31.337149143218994"};
    double lat = 30.084262490272522, lat2 = 51.5002,lat3=30.084123015403748;
    double log = 31.33625864982605, log2 = -0.1262,log3=31.337149143218994;

    p = new GeoPoint((int) (lat * 1E6), (int) (log * 1E6));
   p2 = new GeoPoint( (int) (lat2 * 1e6), (int) (log2 * 1e6));
   p3=new GeoPoint( (int) (lat3 * 1000000), (int) (log3 * 1000000));
    mapOverlays = mapView.getOverlays();
    drawable = this.getResources().getDrawable(R.drawable.ballon);
   drawable2 = this.getResources().getDrawable(R.drawable.dotred);
    drawable3 = this.getResources().getDrawable(R.drawable.icon);

    itemizedOverlay = new HelloItemizedOverlay(drawable,this);
    itemizedOverlay2 = new HelloItemizedOverlay(drawable2,this);        
    itemizedOverlay3 = new HelloItemizedOverlay(drawable3,this);    
    OverlayItem overlayitem = new OverlayItem(p, "Cairo", " over1");
   OverlayItem over2 = new OverlayItem(p2, "ulm", "over2");
    OverlayItem over3 = new OverlayItem(p3, "offff", "over3");

    itemizedOverlay.addOverlay(overlayitem);

    mapOverlays.add(itemizedOverlay);

    itemizedOverlay2.addOverlay(over2);
   mapOverlays.add(itemizedOverlay2);

    itemizedOverlay2.addOverlay(over3);
    mapOverlays.add(itemizedOverlay3);
 mc.setZoom(17); 
 //mc.animateTo(p);
}


/* Class My Location Listener */



public class MyLocationListener implements LocationListener

{

@Override

public void onLocationChanged(Location loc)

{





    GeoPoint point = new GeoPoint(    (int) (loc.getLatitude() * 1E6), 
            (int) (loc.getLongitude() * 1E6));
//DoubletoString(loc.getLatitude());

//DoubletoString(loc.getLongitude());


String Text = "My current location is: " +

"Latitud ="+ loc.getLatitude() +

"Longitud =" + loc.getLongitude();


Toast.makeText( getApplicationContext(),

Text,

Toast.LENGTH_SHORT).show();
mc.animateTo(point);

}



private void DoubletoString(double latitude) {
    // TODO Auto-generated method stub

}


public void onProviderDisabled(String provider)

{

Toast.makeText( getApplicationContext(),

"Gps Disabled",

Toast.LENGTH_SHORT ).show();

}


public void onProviderEnabled(String provider)

{

Toast.makeText( getApplicationContext(),

"Gps Enabled",

Toast.LENGTH_SHORT).show();

}


public void onStatusChanged(String provider, int status, Bundle extras)

{


}
protected boolean isRouteDisplayed() {
    return false;
}

}/* End of Class MyLocationListener */


@Override
protected boolean isRouteDisplayed() {
    // TODO Auto-generated method stub
    return false;
}


}


/* End of UseGps Activity*/

我不明白这个问题。请清理一下。为什么p3=新的地质点((int)(lat3*1000000),(int)(log3*1000000));强行关闭!!怎么了?!!它只显示地图,但当我按下缩放按钮时,它没有响应,因此关闭!!当我移除p3时!!它的工作很好,缩放工作有什么问题!!我需要紧急帮助,另外一个-1用于儿童风格的写作(“onlyyyy”)和重复的感叹号等其他烦恼。
[adrian@cheops3:~]> cat Test.java
class Test {
    public static void main(String[] args) {
        System.out.println("1e6 = " + 1e6);
        System.out.println("1000000 = " + 1000000);
    }
}
[adrian@cheops3:~]> javac Test.java && java Test
1e6 = 1000000.0
1000000 = 1000000