请尝试使用eclipse luna编写Android应用程序。我正在编写客户端gcm代码来推送通知。我没有任何编译错误，但是我在手机上执行它，应用程序崩溃了。请在下面是我得到的日志。谢谢你的帮助
05-23 23:07:27.303: D/AndroidRuntime(18211): Shutting down VM
05-23 23:07:27.303: W/dalvikvm(18211): threadid=1: thread exiting with uncaught exception (group=0x41f522a0)
05-23 23:07:27.303: E/AndroidRuntime(18211): FATAL EXCEPTION: main
05-23 23:07:27.303: E/AndroidRuntime(18211): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.prgguru.example/com.prgguru.example.MainActivity}: android.content.ActivityNotFoundException: Unable to find explicit activity class {com.prgguru.example/com.prgguru.example.HomeActivity}; have you declared this activity in your AndroidManifest.xml? 05-23 23:07:27.303: E/AndroidRuntime(18211): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2110)
05-23 23:07:27.303: E/AndroidRuntime(18211): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2135)
05-23 23:07:27.303: E/AndroidRuntime(18211): at android.app.ActivityThread.access$700(ActivityThread.java:140)
05-23 23:07:27.303: E/AndroidRuntime(18211): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1237)
05-23 23:07:27.303: E/AndroidRuntime(18211): at android.os.Handler.dispatchMessage(Handler.java:99)
05-23 23:07:27.303: E/AndroidRuntime(18211): at android.os.Looper.loop(Looper.java:137)
05-23 23:07:27.303: E/AndroidRuntime(18211): at android.app.ActivityThread.main(ActivityThread.java:4921)
05-23 23:07:27.303: E/AndroidRuntime(18211): at java.lang.reflect.Method.invokeNative(Native Method)
05-23 23:07:27.303: E/AndroidRuntime(18211): at java.lang.reflect.Method.invoke(Method.java:511)
05-23 23:07:27.303: E/AndroidRuntime(18211): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1038)
05-23 23:07:27.303: E/AndroidRuntime(18211): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:805)
05-23 23:07:27.303: E/AndroidRuntime(18211): at dalvik.system.NativeStart.main(Native Method)
05-23 23:07:27.303: E/AndroidRuntime(18211): Caused by: android.content.ActivityNotFoundException: Unable to find explicit activityclass {com.prgguru.example/com.prgguru.example.HomeActivity}; have you declared this activity in your AndroidManifest.xml?
05-23 23:07:27.303: E/AndroidRuntime(18211): at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1556)
05-23 23:07:27.303: E/AndroidRuntime(18211): at android.app.Instrumentation.execStartActivity(Instrumentation.java:1431)
05-23 23:07:27.303: E/AndroidRuntime(18211): at android.app.Activity.startActivityForResult(Activity.java:3428)
05-23 23:07:27.303: E/AndroidRuntime(18211): at android.app.Activity.startActivityForResult(Activity.java:3389)
05-23 23:07:27.303: E/AndroidRuntime(18211): at android.app.Activity.startActivity(Activity.java:3599)
05-23 23:07:27.303: E/AndroidRuntime(18211): at android.app.Activity.startActivity(Activity.java:3567)
05-23 23:07:27.303: E/AndroidRuntime(18211): at com.prgguru.example.MainActivity.onCreate(MainActivity.java:61)
05-23 23:07:27.303: E/AndroidRuntime(18211): at android.app.Activity.performCreate(Activity.java:5188)
05-23 23:07:27.303: E/AndroidRuntime(18211): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1094)
05-23 23:07:27.303: E/AndroidRuntime(18211): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2074)
05-23 23:07:27.303: E/AndroidRuntime(18211): ... 11 more
05-23 23:07:27.343: D/dalvikvm(18211): GC_CONCURRENT freed 224K, 13% free 7212K/8199K, paused 12ms+2ms, total 35ms
也是我的清单文件。这就是我制作清单文件的方式
`<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.prgguru.example"
android:versionCode="1"
android:versionName="1.0" >
<!-- GCM requires Android SDK version 2.2 (API level 8) or above. -->
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="22" />
<!-- GCM connects to Internet Services. -->
<uses-permission android:name="android.permission.INTERNET" />
<!-- GCM requires a Google account. -->
<uses-permission android:name="android.permission.GET_ACCOUNTS" />
<!-- Keeps the processor from sleeping when a message is received. -->
<uses-permission android:name="android.permission.WAKE_LOCK" />
<!-- Creates a custom permission so only this app can receive its messages. -->
<permission
android:name="com.prgguru.example.permission.C2D_MESSAGE"
android:protectionLevel="signature" />
<uses-permission android:name="com.prgguru.example.permission.C2D_MESSAGE" />
<!-- This app has permission to register and receive data message. -->
<uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />
<!-- Network State Permissions to detect Internet status -->
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<!-- Permission to vibrate -->
<uses-permission android:name="android.permission.VIBRATE" />
<!-- Main activity. -->
<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" />
<!-- Register Activity -->
<activity
android:name=".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>
<receiver
android:name="com.google.android.gcm.GCMBroadcastReceiver"
android:permission="com.google.android.c2dm.permission.SEND" >
<intent-filter>
<!-- Receives the actual messages. -->
<action android:name="com.google.android.c2dm.intent.RECEIVE" />
<!-- Receives the registration id. -->
<action android:name="com.google.android.c2dm.intent.REGISTRATION" />
<category android:name="com.prgguru.example" />
</intent-filter>
</receiver>
<service android:name=".GCMNotificationIntentService" />
</application>
</manifest>`
答案 0 :(得分：1)
每当你创建一个新的Activity并要显示它时，你需要在AndroidManifest.xml中添加对它的引用
例如，你可以简单地做
<activity name="your.package.activityname" />
有关详细信息，请参阅文档中的Declaring class names。