Geofences(Android示例应用程序)java.lang.ClassNotFoundException MainActivity

Question

我有一个华硕Eee Tab(Transformer Prime TF201 Android v4.1.1).我正在阅读关于Geofencing的API并将下面的示例应用程序下载到我的设备=> http://developer.android.com/training/location/geofencing.html.但是当我打开它时它会终止.

我在AndroidManifest.xml文件中设置了目标sdk = 16

logcat的

06-04 19:39:34.176: E/AndroidRuntime(2596): FATAL EXCEPTION: main
06-04 19:39:34.176: E/AndroidRuntime(2596): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.example.android.geofence/com.example.android.geofence.MainActivity}: java.lang.ClassNotFoundException: com.example.android.geofence.MainActivity
06-04 19:39:34.176: E/AndroidRuntime(2596):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1983)
06-04 19:39:34.176: E/AndroidRuntime(2596):     at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2084)
06-04 19:39:34.176: E/AndroidRuntime(2596):     at android.app.ActivityThread.access$600(ActivityThread.java:130)
06-04 19:39:34.176: E/AndroidRuntime(2596):     at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1195)
06-04 19:39:34.176: E/AndroidRuntime(2596):     at android.os.Handler.dispatchMessage(Handler.java:99)
06-04 19:39:34.176: E/AndroidRuntime(2596):     at android.os.Looper.loop(Looper.java:137)
06-04 19:39:34.176: E/AndroidRuntime(2596):     at android.app.ActivityThread.main(ActivityThread.java:4745)
06-04 19:39:34.176: E/AndroidRuntime(2596):     at java.lang.reflect.Method.invokeNative(Native Method)
06-04 19:39:34.176: E/AndroidRuntime(2596):     at java.lang.reflect.Method.invoke(Method.java:511)
06-04 19:39:34.176: E/AndroidRuntime(2596):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
06-04 19:39:34.176: E/AndroidRuntime(2596):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
06-04 19:39:34.176: E/AndroidRuntime(2596):     at dalvik.system.NativeStart.main(Native Method)
06-04 19:39:34.176: E/AndroidRuntime(2596): Caused by: java.lang.ClassNotFoundException: com.example.android.geofence.MainActivity
06-04 19:39:34.176: E/AndroidRuntime(2596):     at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
06-04 19:39:34.176: E/AndroidRuntime(2596):     at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
06-04 19:39:34.176: E/AndroidRuntime(2596):     at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
06-04 19:39:34.176: E/AndroidRuntime(2596):     at android.app.Instrumentation.newActivity(Instrumentation.java:1053)
06-04 19:39:34.176: E/AndroidRuntime(2596):     at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1974)
06-04 19:39:34.176: E/AndroidRuntime(2596):     ... 11 more

AndroidManifest.xml中

<?xml version="1.0" encoding="utf-8"?>
<!--
     Copyright (C) 2013 The Android Open Source Project

     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at

          http://www.apache.org/licenses/LICENSE-2.0

     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
-->

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.android.geofence"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="16" />

    <!--
        Requests address-level location access, which is usually
        necessary for geofencing
    -->
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:allowBackup="true" >

        <!-- The app's entry point -->
        <activity
            android:name="com.example.android.geofence.MainActivity"
            android:label="@string/title_activity_geofence" >
            <intent-filter>
                <!--
                    This activity is triggered when the system
                    tries to start the app's main activity
                -->
                <action android:name="android.intent.action.MAIN" />

                <!--
                    This activity should be linked to the app's Launcher icon
                 -->
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <service android:name="com.example.android.geofence.ReceiveTransitionsIntentService" android:exported="false"></service>
    </application>

</manifest>

Answer 1

@stud91我已经从上面的URL下载示例项目，并且我改变了一些基本的东西

1. 创建“libs”文件夹
2. 放入 android-support-v4.jar 和 google-play-services.jar Jar 文件

并运行示例项目它就像一个魅力。你可以从“ adt-bundle-windows-x86\sdk\extras\google\google_play_services\libproject\google-play-services_lib\libs ”找到 google- play-services_lib我认为你已经使用了 Goolge 包来删除这个包。删除您为此项目创建的所有引用。清理您的示例项目并享受。 我的示例项目的结构和 输出