Android错误：应用程序意外停止，请再试一次

我一直在研究Android和应用程序，只要我尝试在模拟器中运行它它给了我这个错误：应用程序Explicit_intents（process.com.andrewbook.explicit_intents）已经意外停止，请重试。Android错误：应用程序意外停止，请再试一次

下面是代码：

package com.andrewbook.explicit_intents; 

import android.app.Activity; 
import android.content.Intent; 
import android.os.Bundle; 
import android.view.View; 
import android.view.View.OnClickListener; 
import android.widget.Button; 
import android.widget.EditText; 

public class Main extends Activity { 

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

     final EditText et = (EditText) findViewById(R.id.editText1); 
     Button b = (Button) findViewById(R.id.button1); 
     b.setOnClickListener(new OnClickListener() { 

      @Override 
      public void onClick(View v) { 
       Intent intent = new Intent(Main.this, Second.class); 
       intent.putExtra("thetext", et.getText().toString()); 
       startActivity(intent); 
      } 
     }); 
    } 

}

这里是logcat的输出：

04-09 13:20:32.632: E/AndroidRuntime(637): FATAL EXCEPTION: main 
04-09 13:20:32.632: E/AndroidRuntime(637): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.andrewbook.explicit_intents/com.andrewbook.explicit_intents.Explicit_IntentsActivity}: java.lang.ClassNotFoundException: com.andrewbook.explicit_intents.Explicit_IntentsActivity in loader dalvik.system.PathClassLoader[/data/app/com.andrewbook.explicit_intents-2.apk] 
04-09 13:20:32.632: E/AndroidRuntime(637): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1569) 
04-09 13:20:32.632: E/AndroidRuntime(637): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663) 
04-09 13:20:32.632: E/AndroidRuntime(637): at android.app.ActivityThread.access$1500(ActivityThread.java:117) 
04-09 13:20:32.632: E/AndroidRuntime(637): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931) 
04-09 13:20:32.632: E/AndroidRuntime(637): at android.os.Handler.dispatchMessage(Handler.java:99) 
04-09 13:20:32.632: E/AndroidRuntime(637): at android.os.Looper.loop(Looper.java:123) 
04-09 13:20:32.632: E/AndroidRuntime(637): at android.app.ActivityThread.main(ActivityThread.java:3683) 
04-09 13:20:32.632: E/AndroidRuntime(637): at java.lang.reflect.Method.invokeNative(Native Method) 
04-09 13:20:32.632: E/AndroidRuntime(637): at java.lang.reflect.Method.invoke(Method.java:507) 
04-09 13:20:32.632: E/AndroidRuntime(637): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) 
04-09 13:20:32.632: E/AndroidRuntime(637): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) 
04-09 13:20:32.632: E/AndroidRuntime(637): at dalvik.system.NativeStart.main(Native Method) 
04-09 13:20:32.632: E/AndroidRuntime(637): Caused by: java.lang.ClassNotFoundException: com.andrewbook.explicit_intents.Explicit_IntentsActivity in loader dalvik.system.PathClassLoader[/data/app/com.andrewbook.explicit_intents-2.apk] 
04-09 13:20:32.632: E/AndroidRuntime(637): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240) 
04-09 13:20:32.632: E/AndroidRuntime(637): at java.lang.ClassLoader.loadClass(ClassLoader.java:551) 
04-09 13:20:32.632: E/AndroidRuntime(637): at java.lang.ClassLoader.loadClass(ClassLoader.java:511) 
04-09 13:20:32.632: E/AndroidRuntime(637): at android.app.Instrumentation.newActivity(Instrumentation.java:1021) 
04-09 13:20:32.632: E/AndroidRuntime(637): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1561) 
04-09 13:20:32.632: E/AndroidRuntime(637): ... 11 more 
04-09 13:20:32.662: W/ActivityManager(75): Force finishing activity com.andrewbook.explicit_intents/.Explicit_IntentsActivity 
04-09 13:20:33.171: W/ActivityManager(75): Activity pause timeout for HistoryRecord{4075b080 com.andrewbook.explicit_intents/.Explicit_IntentsActivity} 
04-09 13:20:44.131: W/ActivityManager(75): Activity destroy timeout for HistoryRecord{4075b080 com.andrewbook.explicit_intents/.Explicit_IntentsActivity} 
04-09 13:21:57.092: D/SntpClient(75): request time failed: java.net.SocketException: Address family not supported by protocol 
04-09 13:25:32.681: I/Process(637): Sending signal. PID: 637 SIG: 9 
04-09 13:25:32.702: I/ActivityManager(75): Process com.andrewbook.explicit_intents (pid 637) has died. 
04-09 13:25:32.791: W/InputManagerService(75): Window already focused, ignoring focus gain of: [email protected] 
04-09 13:26:57.101: D/SntpClient(75): request time failed: java.net.SocketException: Address family not supported by protocol 
04-09 13:28:59.951: I/ActivityManager(75): Starting: Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] flg=0x10200000 cmp=com.andrewbook.explicit_intents/.Explicit_IntentsActivity } from pid 246 
04-09 13:29:00.021: I/ActivityManager(75): Start proc com.andrewbook.explicit_intents for activity com.andrewbook.explicit_intents/.Explicit_IntentsActivity: pid=646 uid=10034 gids={} 
04-09 13:29:00.782: D/AndroidRuntime(646): Shutting down VM 
04-09 13:29:00.812: W/dalvikvm(646): threadid=1: thread exiting with uncaught exception (group=0x40015560) 
04-09 13:29:00.872: E/AndroidRuntime(646): FATAL EXCEPTION: main 
04-09 13:29:00.872: E/AndroidRuntime(646): java.lang.RuntimeException: Unable to instantiate activity ComponentInfo{com.andrewbook.explicit_intents/com.andrewbook.explicit_intents.Explicit_IntentsActivity}: java.lang.ClassNotFoundException: com.andrewbook.explicit_intents.Explicit_IntentsActivity in loader dalvik.system.PathClassLoader[/data/app/com.andrewbook.explicit_intents-2.apk] 
04-09 13:29:00.872: E/AndroidRuntime(646): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1569) 
04-09 13:29:00.872: E/AndroidRuntime(646): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663) 
04-09 13:29:00.872: E/AndroidRuntime(646): at android.app.ActivityThread.access$1500(ActivityThread.java:117) 
04-09 13:29:00.872: E/AndroidRuntime(646): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931) 
04-09 13:29:00.872: E/AndroidRuntime(646): at android.os.Handler.dispatchMessage(Handler.java:99) 
04-09 13:29:00.872: E/AndroidRuntime(646): at android.os.Looper.loop(Looper.java:123) 
04-09 13:29:00.872: E/AndroidRuntime(646): at android.app.ActivityThread.main(ActivityThread.java:3683) 
04-09 13:29:00.872: E/AndroidRuntime(646): at java.lang.reflect.Method.invokeNative(Native Method) 
04-09 13:29:00.872: E/AndroidRuntime(646): at java.lang.reflect.Method.invoke(Method.java:507) 
04-09 13:29:00.872: E/AndroidRuntime(646): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) 
04-09 13:29:00.872: E/AndroidRuntime(646): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) 
04-09 13:29:00.872: E/AndroidRuntime(646): at dalvik.system.NativeStart.main(Native Method) 
04-09 13:29:00.872: E/AndroidRuntime(646): Caused by: java.lang.ClassNotFoundException: com.andrewbook.explicit_intents.Explicit_IntentsActivity in loader dalvik.system.PathClassLoader[/data/app/com.andrewbook.explicit_intents-2.apk] 
04-09 13:29:00.872: E/AndroidRuntime(646): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240) 
04-09 13:29:00.872: E/AndroidRuntime(646): at java.lang.ClassLoader.loadClass(ClassLoader.java:551) 
04-09 13:29:00.872: E/AndroidRuntime(646): at java.lang.ClassLoader.loadClass(ClassLoader.java:511) 
04-09 13:29:00.872: E/AndroidRuntime(646): at android.app.Instrumentation.newActivity(Instrumentation.java:1021) 
04-09 13:29:00.872: E/AndroidRuntime(646): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1561) 
04-09 13:29:00.872: E/AndroidRuntime(646): ... 11 more

任何帮助将不胜感激。在此先感谢

来源

2012-04-11 Andrew Book

我想你忘了加上活动在AndroidManifest

java.lang.ClassNotFoundException:com.andrewbook.explicit_intents.Explicit_IntentsActivity in loaderdalvik.system.PathClassLoader[/data/app/com.andrewbook.explicit_intents-2.apk]

的唯一原因一个ClassNotFound的是在清单坏道，或活动没有在清单

声明

在清单中添加行应工作

<activity android:name="com.andrewbook.explicit_intents.Explicit_IntentsActivity" 
        android:label="@string/someLabel"/>

来源

2012-04-11 16:08:45 DGomez

添加您的文件显示文件??? – 2012-04-11 16:37:05

这工作谢谢你的帮助。 – 2012-04-11 21:05:30

Android错误：应用程序意外停止，请再试一次

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