Android 2.3.4上的Android Maps V2.4薑餅

Question

我的xperia neo v cell（android v 2.3.4）上運行簡單示例代碼時遇到了大問題。 我已經導入android-support-v4.jar並將google-play-services_lib添加到項目庫。 請給我一些問題什麼可以解決我的問題。 我的問題是這樣的：

02-24 23:27:34.183: E/AndroidRuntime(19099): FATAL EXCEPTION: main 
02-24 23:27:34.183: E/AndroidRuntime(19099): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.googleMapApp/com.googleMapApp.LocationProfileManagerActivity}: java.lang.ClassNotFoundException: com.googleMapApp.LocationProfileManagerActivity in loader dalvik.system.PathClassLoader[/data/app/com.googleMapApp-1.apk] 
02-24 23:27:34.183: E/AndroidRuntime(19099): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1581) 
02-24 23:27:34.183: E/AndroidRuntime(19099): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1675) 
02-24 23:27:34.183: E/AndroidRuntime(19099): at android.app.ActivityThread.access$1500(ActivityThread.java:121) 
02-24 23:27:34.183: E/AndroidRuntime(19099): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:943) 
02-24 23:27:34.183: E/AndroidRuntime(19099): at android.os.Handler.dispatchMessage(Handler.java:99) 
02-24 23:27:34.183: E/AndroidRuntime(19099): at android.os.Looper.loop(Looper.java:130) 
02-24 23:27:34.183: E/AndroidRuntime(19099): at android.app.ActivityThread.main(ActivityThread.java:3701) 
02-24 23:27:34.183: E/AndroidRuntime(19099): at java.lang.reflect.Method.invokeNative(Native Method) 
02-24 23:27:34.183: E/AndroidRuntime(19099): at java.lang.reflect.Method.invoke(Method.java:507) 
02-24 23:27:34.183: E/AndroidRuntime(19099): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:866) 
02-24 23:27:34.183: E/AndroidRuntime(19099): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:624) 
02-24 23:27:34.183: E/AndroidRuntime(19099): at dalvik.system.NativeStart.main(Native Method) 
02-24 23:27:34.183: E/AndroidRuntime(19099): Caused by: java.lang.ClassNotFoundException: com.googleMapApp.LocationProfileManagerActivity in loader dalvik.system.PathClassLoader[/data/app/com.googleMapApp-1.apk] 
02-24 23:27:34.183: E/AndroidRuntime(19099): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240) 
02-24 23:27:34.183: E/AndroidRuntime(19099): at java.lang.ClassLoader.loadClass(ClassLoader.java:551) 
02-24 23:27:34.183: E/AndroidRuntime(19099): at java.lang.ClassLoader.loadClass(ClassLoader.java:511) 
02-24 23:27:34.183: E/AndroidRuntime(19099): at android.app.Instrumentation.newActivity(Instrumentation.java:1021) 
02-24 23:27:34.183: E/AndroidRuntime(19099): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1573) 
02-24 23:27:34.183: E/AndroidRuntime(19099): ... 11 more 

我的清單文件：

`<?xml version="1.0" encoding="utf-8"?> 
<manifest xmlns:android="http://schemas.android.com/apk/res/android" 
    package="com.googleMapApp" 
    android:versionCode="1" 
    android:versionName="1.0" > 

    <uses-sdk android:minSdkVersion="8" /> 

    <permission 
     android:name="com.googleMapApp.permission.MAPS_RECEIVE" 
     android:protectionLevel="signature" /> 

    <uses-permission android:name="com.googleMapApp.permission.MAPS_RECEIVE" /> 
    <uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" /> 
    <uses-permission android:name="android.permission.INTERNET" /> 
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> 
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /> 
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /> 

    <!-- Require OpenGL ES version 2 --> 
    <uses-feature 
     android:glEsVersion="0x00020000" 
     android:required="true" /> 

    <application 
     android:icon="@drawable/ic_launcher" 
     android:label="@string/app_name" > 
     <activity 
      android:name=".LocationProfileManagerActivity" 
      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="my_key" /> 
    </application> 

</manifest>` 

我Main.java文件：

package com.example.googlemapapp; 


import com.googleMapApp.R; 

import android.os.Bundle; 
import android.support.v4.app.FragmentActivity; 

public class Main extends FragmentActivity{ 

    @Override 
    protected void onCreate(Bundle arg0) { 
     // TODO Auto-generated method stub 
     super.onCreate(arg0); 
     setContentView (R.layout.activity); 
    } 

} 

版式文件：

<?xml version="1.0" encoding="utf-8"?> 
<fragment xmlns:android="http://schemas.android.com/apk/res/android" 
     android:id="@+id/map" 
     android:name="com.google.android.gms.maps.SupportMapFragment" 
     android:layout_width="wrap_content" 
     android:layout_height="match_parent" /> 

Answer 1

根據清單，y我們的LAUNCHER活動是LocationProfileManagerActivity。但是你的班級是Main.java。 因此，重命名Main.java到LocationProfileManagerActivity.java並且不要忘記更改類名稱。 檢查它