Android应用程序崩溃执行

Question

请尝试使用eclipse luna编码android应用程序。我正在编写客户端gcm代码来推送通知。我已经完成了没有任何编译错误，但我在手机上执行它，应用程序崩溃。请在下面是我得到的日志。感谢您的帮助

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 

下面也是我的清单文件。这是我做的清单文件

`<?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>` 

Answer 1

每当你做一个新的活动，要显示它您需要参考您的AndroidManifest.xml

添加到它。例如，你可以简单地做

<activity name="your.package.activityname" /> 

欲了解更多信息，请参阅Declaring class names在文档中。