Google Maps API Android-错误夸大类片段

Question

I know that there are many topics on StackOverFlow regarding this problem, however none of them could help me. I am doing a very basic application which I just want to display a MAP.

• I Have imported the google-play-services_lib to my main project.
• I have generated my API Key.

This is my AndroidManifest.xml file:

<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.linkme2night"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="11"
        android:targetSdkVersion="17" />

    <permission
        android:name="com.linkme2night.permission.MAPS_RECEIVE"
        android:protectionLevel="signature" />

    <uses-permission android:name="com.linkme2night.permission.MAPS_RECEIVE" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />
    <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" />

    <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" >
        <activity
            android:name="com.linkme2night.view.interactwithvenue.InteractWithVenueActivity"
            android:label="@string/app_name" >
        </activity>
        <activity
            android:name="com.linkme2night.view.openvenuesmap.OpenVenuesMapActivity"
            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="AIzaSyBJVHZJr1Q14fcvEHBkAUT1A_ZH4eQlnrI" />
    </application>

</manifest>

This is my Layout XML file:

<fragment xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:map="http://schemas.android.com/apk/res-auto"
    android:id="@+id/the_map"
    android:name="com.google.android.gms.maps.SupportMapFragment "
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

This is my code:

public class OpenVenuesMapActivity extends FragmentActivity  {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_open_venues_map);
    }
}

I am running the application on my Sony XPeria J. I get the following Error generated by Loc Cat:

05-01 18:51:48.544: E/AndroidRuntime(10794): FATAL EXCEPTION: main
05-01 18:51:48.544: E/AndroidRuntime(10794): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.linkme2night/com.linkme2night.view.openvenuesmap.OpenVenuesMapActivity}: android.view.InflateException: Binary XML file line #1: Error inflating class fragment
05-01 18:51:48.544: E/AndroidRuntime(10794):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2065)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2090)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at android.app.ActivityThread.access$600(ActivityThread.java:136)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1201)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at android.os.Handler.dispatchMessage(Handler.java:99)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at android.os.Looper.loop(Looper.java:137)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at android.app.ActivityThread.main(ActivityThread.java:4802)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at java.lang.reflect.Method.invokeNative(Native Method)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at java.lang.reflect.Method.invoke(Method.java:511)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:813)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:580)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at dalvik.system.NativeStart.main(Native Method)
05-01 18:51:48.544: E/AndroidRuntime(10794): Caused by: android.view.InflateException: Binary XML file line #1: Error inflating class fragment
05-01 18:51:48.544: E/AndroidRuntime(10794):    at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at android.view.LayoutInflater.inflate(LayoutInflater.java:466)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:256)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at android.app.Activity.setContentView(Activity.java:1869)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at com.linkme2night.view.openvenuesmap.OpenVenuesMapActivity.onCreate(OpenVenuesMapActivity.java:14)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at android.app.Activity.performCreate(Activity.java:5013)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1079)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2029)
05-01 18:51:48.544: E/AndroidRuntime(10794):    ... 11 more
05-01 18:51:48.544: E/AndroidRuntime(10794): Caused by: android.support.v4.app.Fragment$InstantiationException: Unable to instantiate fragment com.google.android.gms.maps.SupportMapFragment : make sure class name exists, is public, and has an empty constructor that is public
05-01 18:51:48.544: E/AndroidRuntime(10794):    at android.support.v4.app.Fragment.instantiate(Fragment.java:401)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at android.support.v4.app.Fragment.instantiate(Fragment.java:369)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:272)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:676)
05-01 18:51:48.544: E/AndroidRuntime(10794):    ... 20 more
05-01 18:51:48.544: E/AndroidRuntime(10794): Caused by: java.lang.ClassNotFoundException: com.google.android.gms.maps.SupportMapFragment 
05-01 18:51:48.544: E/AndroidRuntime(10794):    at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
05-01 18:51:48.544: E/AndroidRuntime(10794):    at android.support.v4.app.Fragment.instantiate(Fragment.java:391)
05-01 18:51:48.544: E/AndroidRuntime(10794):    ... 23 more

This is what I get when I create the google-service-lib from existing code, located in my C:/Program Files/eclipse/SDKs/... , and then import it on my project:

Does anyone one know What else can I be missing? I am starting to get desperated with this simple thing...

Answer 1

Your min sdk is 11. You will need to add support library for api versions below 12

    <uses-sdk
    android:minSdkVersion="11"
    android:targetSdkVersion="17" />

Fragments were introduced in HoneyComb. So for backward compatibality you need add support library

 android:name="com.google.android.gms.maps.SupportMapFragment "

Since you din't add support library you got classcastexception

To add support library check the link below

http://developer.android.com/tools/extras/support-library.html

Answer 2

I Have imported the google-play-services_lib to my main project.

Not according to your stack trace. Your stack trace suggests that you manually modified your build path to include the JAR from the Play Services SDK, rather than attaching the Play Services SDK as an Android library project.