你好我想在我的应用程序中实现谷歌地图v2，但它不起作用它给我ibitmapdiscriptor工厂错误 这里我放下了代码和错误logcat
LogcatError
03-25 11:59:15.002: E/AndroidRuntime(366): FATAL EXCEPTION: main
03-25 11:59:15.002: E/AndroidRuntime(366): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.all.inone/com.all.inone.MapRoadActivity}: java.lang.NullPointerException: IBitmapDescriptorFactory is not initialized
03-25 11:59:15.002: E/AndroidRuntime(366): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2663)
03-25 11:59:15.002: E/AndroidRuntime(366): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679)
03-25 11:59:15.002: E/AndroidRuntime(366): at android.app.ActivityThread.access$2300(ActivityThread.java:125)
03-25 11:59:15.002: E/AndroidRuntime(366): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033)
03-25 11:59:15.002: E/AndroidRuntime(366): at android.os.Handler.dispatchMessage(Handler.java:99)
03-25 11:59:15.002: E/AndroidRuntime(366): at android.os.Looper.loop(Looper.java:123)
03-25 11:59:15.002: E/AndroidRuntime(366): at android.app.ActivityThread.main(ActivityThread.java:4627)
03-25 11:59:15.002: E/AndroidRuntime(366): at java.lang.reflect.Method.invokeNative(Native Method)
03-25 11:59:15.002: E/AndroidRuntime(366): at java.lang.reflect.Method.invoke(Method.java:521)
03-25 11:59:15.002: E/AndroidRuntime(366): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
03-25 11:59:15.002: E/AndroidRuntime(366): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
03-25 11:59:15.002: E/AndroidRuntime(366): at dalvik.system.NativeStart.main(Native Method)
03-25 11:59:15.002: E/AndroidRuntime(366): Caused by: java.lang.NullPointerException: IBitmapDescriptorFactory is not initialized
03-25 11:59:15.002: E/AndroidRuntime(366): at com.google.android.gms.internal.eg.b(Unknown Source)
03-25 11:59:15.002: E/AndroidRuntime(366): at com.google.android.gms.maps.model.BitmapDescriptorFactory.eE(Unknown Source)
03-25 11:59:15.002: E/AndroidRuntime(366): at com.google.android.gms.maps.model.BitmapDescriptorFactory.fromResource(Unknown Source)
03-25 11:59:15.002: E/AndroidRuntime(366): at com.all.inone.MapRoadActivity.onCreate(MapRoadActivity.java:147)
03-25 11:59:15.002: E/AndroidRuntime(366): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
03-25 11:59:15.002: E/AndroidRuntime(366): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627)
03-25 11:59:15.002: E/AndroidRuntime(366): ... 11 more
MaproadActivity.java
公共类MapRoadActivity扩展FragmentActivity实现了OnClickListener {
GoogleMap map;
ArrayList<LatLng> mMarkerPoints;
double mLatitude=0;
double mLongitude=0;
private static final String TAG_LAT="lat";
private static final String TAG_LNG="lng";
private static final String TAG_NAME = "name";
String title;
String deslatitude;
String deslangitude;
String srclatitude;
String srclongitude;
double latitude;
double longitude;
double dlatitude;
double dlongitude;
GPSTracker gps;
Button buttonback;
AlertDialog customalertDialog;
ImageView imagemap;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.maplayout);
customalertDialog = new AlertDialog.Builder(this).create();
buttonback=(Button)findViewById(R.id.buttonback);
buttonback.setOnClickListener(this);
imagemap=(ImageView)findViewById(R.id.imagemap);
imagemap.setOnClickListener(this);
if(CheckConnection.getInstance(MapRoadActivity.this).isOnline(MapRoadActivity.this))
{
gps= new GPSTracker(this);
if(gps.canGetLocation())
{
srclatitude = Double.toString(gps.getLatitude());
srclongitude =Double.toString(gps.getLongitude());
Toast.makeText(getApplicationContext(), "Your Location is - \nLat: " + srclatitude + "\nLong: " +srclongitude, Toast.LENGTH_LONG).show();
}
}
else
{
customalert("Internet","Connection Not AVailable");
}
Intent in = getIntent();
title = in.getStringExtra(TAG_NAME);
deslatitude=in.getStringExtra(TAG_LAT);
deslangitude=in.getStringExtra(TAG_LNG);
map = ((SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.mapview)).getMap();
MapsInitializer.initialize(getApplicationContext());
double lat=Double.parseDouble(deslatitude);
double lon=Double.parseDouble(deslangitude);
final LatLng point = new LatLng(lat,lon);
// fro add marker on map
map.addMarker(new MarkerOptions()
.position(new LatLng(lat, lon))
.title(title)
.snippet("")
.icon(BitmapDescriptorFactory.fromResource(R.drawable.marker)));
map.animateCamera(CameraUpdateFactory.zoomTo(17.0f));
map.moveCamera(CameraUpdateFactory.newLatLng(point));
}
// For Display Any Type Of alert
public void customalert(String title,String message)
{
customalertDialog.setTitle(title);
customalertDialog.setMessage(message);
customalertDialog.setIcon(R.drawable.ic_launcher);
customalertDialog.setButton("OK", new DialogInterface.OnClickListener()
{
public void onClick(DialogInterface dialog, int which)
{
customalertDialog.dismiss();
return;
}
});
customalertDialog.show();
}
@Override
public void onClick(View v)
{
switch (v.getId())
{
case R.id.buttonback : finish();
break;
case R.id.imagemap : String url="http://maps.google.com/?saddr="+srclatitude+","+srclongitude+"&daddr="+deslatitude+","+deslangitude;
Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
startActivity(browserIntent);
break;
default :
break;
}
}
}
的AndroidManifest.xml
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.all.inone"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="18" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
<uses-permission android:name="android.permission.CALL_PHONE"/>
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES"/>
<permission
android:name="com.all.inone.permission.MAPS_RECEIVE"
android:protectionLevel="signature"
/>
<uses-permission android:name="com.all.inone.permission.MAPS_RECEIVE"/>
<uses-feature
android:glEsVersion="0x00020000"
android:required="true" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@android:style/Theme.Black.NoTitleBar.Fullscreen">
<activity
android:name=".FacebookLoginUsingActivity"
android:screenOrientation="portrait"
>
</activity>
<activity
android:name="HomeActivity"
android:screenOrientation="portrait"
>
</activity>
<activity
android:name="SplashScreenActivity"
android:screenOrientation="portrait"
>
</activity>
<activity android:name="SearchActivity"
android:screenOrientation="portrait" >
</activity>
<activity android:name="GeneralActivity"
android:screenOrientation="portrait"
>
</activity>
<activity android:name="NearbyActivity"
android:screenOrientation="portrait"
>
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name="FavouriteActivity"
android:screenOrientation="portrait">
</activity>
<activity android:name="SearchListClickActivity"
android:screenOrientation="portrait">
</activity>
<activity android:name="MapRoadActivity"
android:screenOrientation="portrait">
</activity>
<!-- <meta-data android:name="com.google.android.maps.v2.API_KEY"
android:value="AIzaSyDhoWMAOfTS8eORZw9meH6Ojt8p7SmJdDM"
/> -->
<meta-data android:name="com.google.android.gms.version" android:value="@integer/google_play_services_version" />
<activity android:name="RouteMapActivity">
</activity>
<activity android:name="com.facebook.LoginActivity"
android:theme="@android:style/Theme.Translucent.NoTitleBar"
android:label="@string/app_name" />
<meta-data android:name="com.facebook.sdk.ApplicationId" android:value="@string/app_id" />
</application>
</manifest>