我正在尝试从http://www.vogella.com/articles/AndroidGoogleMaps/article.html运行 Google 地图 API v2 的基本示例,但它不断崩溃并出现错误:
02-10 14:51:38.292: E/AndroidRuntime(898): FATAL EXCEPTION: main
02-10 14:51:38.292: E/AndroidRuntime(898): java.lang.NoClassDefFoundError: com.google.android.gms.R$styleable
02-10 14:51:38.292: E/AndroidRuntime(898): at com.google.android.gms.maps.GoogleMapOptions.createFromAttributes(Unknown Source)
02-10 14:51:38.292: E/AndroidRuntime(898): at com.google.android.gms.maps.MapFragment.onInflate(Unknown Source)
02-10 14:51:38.292: E/AndroidRuntime(898): at android.app.Activity.onCreateView(Activity.java:4716)
02-10 14:51:38.292: E/AndroidRuntime(898): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:680)
02-10 14:51:38.292: E/AndroidRuntime(898): at android.view.LayoutInflater.rInflate(LayoutInflater.java:746)
02-10 14:51:38.292: E/AndroidRuntime(898): at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
02-10 14:51:38.292: E/AndroidRuntime(898): at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
02-10 14:51:38.292: E/AndroidRuntime(898): at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
02-10 14:51:38.292: E/AndroidRuntime(898): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:270)
02-10 14:51:38.292: E/AndroidRuntime(898): at android.app.Activity.setContentView(Activity.java:1881)
02-10 14:51:38.292: E/AndroidRuntime(898): at com.vogella.android.locationapi.maps.MainActivity.onCreate(MainActivity.java:23)
02-10 14:51:38.292: E/AndroidRuntime(898): at android.app.Activity.performCreate(Activity.java:5104)
02-10 14:51:38.292: E/AndroidRuntime(898): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
02-10 14:51:38.292: E/AndroidRuntime(898): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2144)
02-10 14:51:38.292: E/AndroidRuntime(898): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)
02-10 14:51:38.292: E/AndroidRuntime(898): at android.app.ActivityThread.access$600(ActivityThread.java:141)
02-10 14:51:38.292: E/AndroidRuntime(898): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
02-10 14:51:38.292: E/AndroidRuntime(898): at android.os.Handler.dispatchMessage(Handler.java:99)
02-10 14:51:38.292: E/AndroidRuntime(898): at android.os.Looper.loop(Looper.java:137)
02-10 14:51:38.292: E/AndroidRuntime(898): at android.app.ActivityThread.main(ActivityThread.java:5039)
02-10 14:51:38.292: E/AndroidRuntime(898): at java.lang.reflect.Method.invokeNative(Native Method)
02-10 14:51:38.292: E/AndroidRuntime(898): at java.lang.reflect.Method.invoke(Method.java:511)
02-10 14:51:38.292: E/AndroidRuntime(898): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
02-10 14:51:38.292: E/AndroidRuntime(898): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
02-10 14:51:38.292: E/AndroidRuntime(898): at dalvik.system.NativeStart.main(Native Method)
我的代码...
显现:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.vogella.android.locationapi.maps"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="17"
android:targetSdkVersion="17" />
<permission
android:name="com.example.mapdemo.permission.MAPS_RECEIVE"
android:protectionLevel="signature" />
<uses-feature
android:glEsVersion="0x00020000"
android:required="true" />
<uses-permission android:name="com.example.mapdemo.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" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.vogella.android.locationapi.maps.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>
<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value="{tried both browser api key and android api keys here}" />
</application>
</manifest>
布局:
<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.MapFragment" />
</RelativeLayout>
活动:
package com.vogella.android.locationapi.maps;
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.MapFragment;
import com.google.android.gms.maps.model.BitmapDescriptorFactory;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;
public class MainActivity extends Activity {
static final LatLng HAMBURG = new LatLng(53.558, 9.927);
static final LatLng KIEL = new LatLng(53.551, 9.993);
private GoogleMap map;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
map = ((MapFragment) getFragmentManager().findFragmentById(R.id.map)).getMap();
Marker hamburg = map.addMarker(new MarkerOptions().position(HAMBURG).title("Hamburg"));
Marker kiel =
map.addMarker(new MarkerOptions()
.position(KIEL)
.title("Kiel")
.snippet("Kiel is cool")
.icon(BitmapDescriptorFactory.fromResource(R.drawable.ic_launcher)));
// Move the camera instantly to hamburg with a zoom of 15.
map.moveCamera(CameraUpdateFactory.newLatLngZoom(HAMBURG, 15));
// Zoom in, animating the camera.
map.animateCamera(CameraUpdateFactory.zoomTo(10), 2000, null);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
}
在使用目标 Google API 17 的 AVD 上运行它时,它立即崩溃。