Je suis nouveau à la programmation Android. Je travaille sur un projet dans lequel je dois obtenir des cartes de google map. L'éclipse ne contient pas de code d'avertissement ou d'erreur. Je ne sais pas ce qui s'est mal passé dans mon code. S'il vous plaît aidez-moigoogle map api v2 android - java.lang.NullPointerException
06-07 09:39:29.357: E/AndroidRuntime(432): FATAL EXCEPTION: main
06-07 09:39:29.357: E/AndroidRuntime(432): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.kulinerku/com.kulinerku.MainActivity}: java.lang.NullPointerException
06-07 09:39:29.357: E/AndroidRuntime(432): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1736)
06-07 09:39:29.357: E/AndroidRuntime(432): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1752)
06-07 09:39:29.357: E/AndroidRuntime(432): at android.app.ActivityThread.access$1500(ActivityThread.java:123)
06-07 09:39:29.357: E/AndroidRuntime(432): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:993)
06-07 09:39:29.357: E/AndroidRuntime(432): at android.os.Handler.dispatchMessage(Handler.java:99)
06-07 09:39:29.357: E/AndroidRuntime(432): at android.os.Looper.loop(Looper.java:126)
06-07 09:39:29.357: E/AndroidRuntime(432): at android.app.ActivityThread.main(ActivityThread.java:3997)
06-07 09:39:29.357: E/AndroidRuntime(432): at java.lang.reflect.Method.invokeNative(Native Method)
06-07 09:39:29.357: E/AndroidRuntime(432): at java.lang.reflect.Method.invoke(Method.java:491)
06-07 09:39:29.357: E/AndroidRuntime(432): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:841)
06-07 09:39:29.357: E/AndroidRuntime(432): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:599)
06-07 09:39:29.357: E/AndroidRuntime(432): at dalvik.system.NativeStart.main(Native Method)
06-07 09:39:29.357: E/AndroidRuntime(432): Caused by: java.lang.NullPointerException
06-07 09:39:29.357: E/AndroidRuntime(432): at com.kulinerku.MainActivity.onCreate(MainActivity.java:33)
06-07 09:39:29.357: E/AndroidRuntime(432): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1048)
06-07 09:39:29.357: E/AndroidRuntime(432): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1700)
06-07 09:39:29.357: E/AndroidRuntime(432): ... 11 more
mon MainActivity.java
package com.kulinerku;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.view.Menu;
public class MainActivity extends FragmentActivity{
final int RQS_GooglePlayService = 1;
private GoogleMap myMap;
@Override
protected void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
FragmentManager myFragmentManager = getSupportFragmentManager();
SupportMapFragment mySupportMapFragment = (SupportMapFragment)myFragmentManager.findFragmentById(R.id.map);
myMap = mySupportMapFragment.getMap();
LatLng jogja = new LatLng(-7.782939, 110.367050);
MarkerOptions markerJogja = new MarkerOptions();
markerJogja.position(jogja);
markerJogja.title("Tugu Jogja");
markerJogja.snippet("Tugu Jogja adalah landmark Kota Jogja");
myMap.setMapType(GoogleMap.MAP_TYPE_NONE);
myMap.addMarker(markerJogja);
myMap.getUiSettings().setCompassEnabled(true);
myMap.getUiSettings().setZoomControlsEnabled(true);
myMap.getUiSettings().setZoomGesturesEnabled(true);
myMap.animateCamera(CameraUpdateFactory.newLatLngZoom(jogja, 15));
}
@Override
public boolean onCreateOptionsMenu(Menu menu){
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
}
AndroidManifest
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.kulinerku"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="11"
android:targetSdkVersion="19" />
<permission
android:name="com.kulinerjogja.MAPS_RECEIVE"
android:protectionLevel="signature"/>
<uses-permission android:name="com.kulinerku.permission.MAPS_RECEIVE"/>
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES"/>
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<uses-feature
android:glEsVersion="0x00020000"
android:required="true"/>
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<meta-data
android:name="com.google.android.gms.version"
android:value="@integer/google_play_services_version" />
<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value="AIzaSyAEUM5FPpkLC0kPGMOnmyTSEwEcRNLjo7s"/>
<activity
android:name="com.kulinerku.MainActivity"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
</application>
</manifest>
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<fragment
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent"
class="com.google.android.gms.maps.SupportMapFragment"
android:name="com.kulinerku.MainActivity"/>
</RelativeLayout>
Postez le stacktrace plein – Raghunandan
Je parie que votre 'objet myMap' est nul – tyczj