未按规定开展活动,由于ClassNotFoundException的 [英] Failing to launch activity due to ClassNotFoundException
问题描述
我想用code,推出新的活动:
意向书我=新的意图(这一点,TempLobbyActivity.class);
startActivity(ⅰ);
完();
当我推出这个code我执行意图构造函数时得到以下异常。
致命异常:主要
工艺:com.edr.iveflownthat,PID:1457
java.lang.NoClassDefFoundError的:失败分辨率:LCOM / EDR / iveflownthat / TempLobbyActivity;
在com.edr.iveflownthat.pages.MainActivity.tryAutoLogin(MainActivity.java:46)
在com.edr.iveflownthat.pages.MainActivity.onCreate(MainActivity.java:22)
在android.app.Activity.performCreate(Activity.java:5933)
在android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1105)
在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2251)
在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2360)
在android.app.ActivityThread.access $ 800(ActivityThread.java:144)
在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:1278)
在android.os.Handler.dispatchMessage(Handler.java:102)
在android.os.Looper.loop(Looper.java:135)
在android.app.ActivityThread.main(ActivityThread.java:5221)
在java.lang.reflect.Method.invoke(本机方法)
在java.lang.reflect.Method.invoke(Method.java:372)
在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:899)
在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
抛出java.lang.ClassNotFoundException:产生的原因没有找到类com.edr.iveflownthat.TempLobbyActivity的路径:DexPathList [zip文件/data/app/com.edr.iveflownthat-1/base.apk] ,nativeLibraryDirectories = [/供应商/ lib中/系统/ lib目录]
致命异常:主要
工艺:com.edr.iveflownthat,PID:1457
java.lang.NoClassDefFoundError的:失败分辨率:LCOM / EDR / iveflownthat / TempLobbyActivity;
在com.edr.iveflownthat.pages.MainActivity.tryAutoLogin(MainActivity.java:46)
在com.edr.iveflownthat.pages.MainActivity.onCreate(MainActivity.java:22)
在android.app.Activity.performCreate(Activity.java:5933)
在android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1105)
在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2251)
在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2360)
在android.app.ActivityThread.access $ 800(ActivityThread.java:144)
在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:1278)
在android.os.Handler.dispatchMessage(Handler.java:102)
在android.os.Looper.loop(Looper.java:135)
在android.app.ActivityThread.main(ActivityThread.java:5221)
在java.lang.reflect.Method.invoke(本机方法)
在java.lang.reflect.Method.invoke(Method.java:372)
在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:899)
在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
抛出java.lang.ClassNotFoundException:产生的原因没有找到类com.edr.iveflownthat.TempLobbyActivity的路径:DexPathList [zip文件/data/app/com.edr.iveflownthat-1/base.apk] ,nativeLibraryDirectories = [/供应商/ lib中/系统/ lib目录]
在dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
在java.lang.ClassLoader.loadClass(ClassLoader.java:511)
在java.lang.ClassLoader.loadClass(ClassLoader.java:469)
... 15更多
燮pressed:java.lang.NoClassDefFoundError的:com.edr.iveflownthat.TempLobbyActivity
在dalvik.system.DexFile.defineClassNative(本机方法)
在dalvik.system.DexFile.defineClass(DexFile.java:222)
在dalvik.system.DexFile.loadClassBinaryName(DexFile.java:215)
在dalvik.system.DexPathList.findClass(DexPathList.java:321)
在dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:54)
... 17更多
燮pressed:抛出java.lang.ClassNotFoundException:com.edr.iveflownthat.TempLobbyActivity
在java.lang.Class.classForName(本机方法)
在java.lang.BootClassLoader.findClass(ClassLoader.java:781)
在java.lang.BootClassLoader.loadClass(ClassLoader.java:841)
在java.lang.ClassLoader.loadClass(ClassLoader.java:504)
... 16更多
java.lang.NoClassDefFoundError的:产生的原因未找到类使用引导类加载器;没有堆栈可在dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
在java.lang.ClassLoader.loadClass(ClassLoader.java:511)
在java.lang.ClassLoader.loadClass(ClassLoader.java:469)
... 15更多
燮pressed:java.lang.NoClassDefFoundError的:com.edr.iveflownthat.TempLobbyActivity
在dalvik.system.DexFile.defineClassNative(本机方法)
在dalvik.system.DexFile.defineClass(DexFile.java:222)
在dalvik.system.DexFile.loadClassBinaryName(DexFile.java:215)
在dalvik.system.DexPathList.findClass(DexPathList.java:321)
在dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:54)
... 17更多
燮pressed:抛出java.lang.ClassNotFoundException:com.edr.iveflownthat.TempLobbyActivity
在java.lang.Class.classForName(本机方法)
在java.lang.BootClassLoader.findClass(ClassLoader.java:781)
在java.lang.BootClassLoader.loadClass(ClassLoader.java:841)
在java.lang.ClassLoader.loadClass(ClassLoader.java:504)
... 16更多
java.lang.NoClassDefFoundError的:产生的原因未找到类使用引导类加载器;没有堆栈可用
我已经确定了类TempLobbyActivity确实存在,是一个正确的行为。我没有得到任何其他的错误。
下面是TempLobbyActivity的开头:
包com.edr.iveflownthat;
进口android.app.Activity;
进口android.os.Bundle;
进口android.support.v4.app.Fragment;
进口android.support.v4.app.FragmentActivity;
进口android.support.v4.app.FragmentManager;
进口android.support.v4.widget.DrawerLayout;
进口android.support.v7.app.ActionBarDrawerToggle;
进口android.view.View;
进口android.widget.AdapterView;
进口android.widget.AdapterView.OnItemClickListener;
进口android.widget.ArrayAdapter;
进口android.widget.ListView;
进口com.edr.iveflownthat.pages.fragments.LobbyLeaderboardFragment;
进口com.edr.iveflownthat.pages.fragments.LobbyMessagerFragment;
进口com.edr.iveflownthat.pages.fragments.LobbyMyPlanesFragment;
公共类TempLobbyActivity扩展FragmentActivity {
和这里是我的清单文件:
< XML版本=1.0编码=UTF-8&GT?;
<舱单的xmlns:机器人=http://schemas.android.com/apk/res/android
包=com.edr.iveflownthat
安卓版code =1
机器人:VERSIONNAME =1.0>
<用途-SDK
安卓的minSdkVersion =14
机器人:targetSdkVersion =19/>
<使用-权限的Android:名称=android.permission.INTERNET对/>
<使用-权限的Android:名称=android.permission.ACCESS_NETWORK_STATE/>
<使用-权限的Android:名称=android.permission.WRITE_EXTERNAL_STORAGE/>
<使用-权限的Android:名称=android.permission.GET_ACCOUNTS/>
<使用-权限的Android:名称=android.permission.USE_CREDENTIALS/>
<使用-权限的Android:名称=android.permission.ACCESS_COARSE_LOCATION/>
<应用
机器人:allowBackup =真
机器人:图标=@可绘制/ app_logo
机器人:标签=@字符串/ APP_NAME
机器人:主题=@风格/ AppTheme>
&所述;元数据
机器人:名称=com.google.android.gms.version
机器人:值=@整数/ google_play_services_version/>
<活动
机器人:名称=。pages.MainActivity
机器人:标签=@字符串/ APP_NAME>
<意向滤光器>
<作用机器人:名称=android.intent.action.MAIN/>
<类机器人:名称=android.intent.category.LAUNCHER/>
&所述; /意图滤光器>
< /活性GT;
<活动
机器人:名称=。StartActivity
机器人:标签=@字符串/ title_activity_start>
< /活性GT;
<活动
机器人:名称=。pages.AccountLoginActivity
机器人:标签=@字符串/ title_activity_login>
< /活性GT;
<活动
机器人:名称=。pages.MyPlanesActivity
机器人:标签=@字符串/ title_activity_my_planes>
< /活性GT;
<活动
机器人:名称=com.edr.icom.edr.iveflownthat.activities.AccountNewActivity
机器人:标签=@字符串/ title_activity_new_account>
< /活性GT;
<活动
机器人:名称=。pages.SearchPlanesActivity
机器人:标签=@字符串/ title_activity_search
机器人:parentActivityName =。pages.LobbyActivity>
&所述;元数据
机器人:名称=android.support.PARENT_ACTIVITY
机器人:值=com.edr.iveflownthat.pages.LobbyActivity/>
< /活性GT;
<活动
机器人:名称=。pages.LeaderBoardActivity
机器人:标签=@字符串/ title_activity_leader_board>
< /活性GT;
<活动
机器人:名称=。pages.PlaneBioActivity
机器人:标签=@字符串/ title_activity_plane_info>
< /活性GT;
<活动
机器人:名称=。pages.AccountLoginFacebookActivity
机器人:标签=@字符串/ title_activity_account_login_facebook>
< /活性GT;
<活动
机器人:名称=。pages.AccountLoginGoogleActivity
机器人:标签=@字符串/ title_activity_account_login_google>
< /活性GT;
<活动
机器人:名称=。pages.AccountLoginTwitterActivity
机器人:标签=@字符串/ title_activity_account_login_twitter>
< /活性GT;
<活动
机器人:名称=。pages.SettingsActivity
机器人:标签=@字符串/ title_activity_settings>
< /活性GT;
<活动
机器人:名称=。pages.MainTabActivity
机器人:标签=@字符串/ title_activity_main_tab>
< /活性GT;
<活动
机器人:名称=。pages.LobbyActivity
机器人:标签=@字符串/ title_activity_lobby>
< /活性GT;
<活动
机器人:名称=。pages.MessageStreamActivity
机器人:标签=@字符串/ title_activity_message_stream
机器人:parentActivityName =。pages.LobbyActivity>
&所述;元数据
机器人:名称=android.support.PARENT_ACTIVITY
机器人:值=com.edr.iveflownthat.pages.LobbyActivity/>
< /活性GT;
<活动
机器人:名称=。pages.LeaderboardActivity
机器人:标签=@字符串/ title_activity_leaderboard
机器人:parentActivityName =。pages.LobbyActivity>
&所述;元数据
机器人:名称=android.support.PARENT_ACTIVITY
机器人:值=com.edr.iveflownthat.pages.LobbyActivity/>
< /活性GT;
<服务
机器人:services.MainServiceNAME =
机器人:出口=FALSE/>
<活动
机器人:名称=。pages.NewMessageActivity
机器人:标签=@字符串/ title_activity_new_message>
< /活性GT;
<活动
机器人:名称=。pages.PlaneActivity
机器人:标签=@字符串/ title_activity_plane>
< /活性GT;
<! -
&所述;元数据
机器人:名称=com.facebook.sdk.ApplicationId
机器人:值=@字符串/ APP_ID/>
<活动
机器人:名称=com.facebook.LoginActivity
机器人:标签=@字符串/ APP_NAME>
< /活性GT;
- >
<活动
机器人:名称=。TempLobbyActivity
机器人:标签=@字符串/ title_activity_temp_lobby>
< /活性GT;
< /用途>
< /舱单>
我是越来越即使类是在AndroidManifest.xml中定义的同样的错误。
原因:有时候,这是为你添加appcompat库的多个版本
。解决方案:删除appcompat lib目录中的任何previous版本,并添加appcompat_v7.jar到你的/ lib文件夹
清理项目,然后重新建立。你可能不会再出现错误。
I am trying to launch a new activity using the code:
Intent i = new Intent(this, TempLobbyActivity.class);
startActivity(i);
finish();
When I launch this code I get the following exceptions when executing the Intent constructor.
FATAL EXCEPTION: main
Process: com.edr.iveflownthat, PID: 1457
java.lang.NoClassDefFoundError: Failed resolution of: Lcom/edr/iveflownthat/TempLobbyActivity;
at com.edr.iveflownthat.pages.MainActivity.tryAutoLogin(MainActivity.java:46)
at com.edr.iveflownthat.pages.MainActivity.onCreate(MainActivity.java:22)
at android.app.Activity.performCreate(Activity.java:5933)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1105)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2251)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2360)
at android.app.ActivityThread.access$800(ActivityThread.java:144)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1278)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5221)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
Caused by: java.lang.ClassNotFoundException: Didn't find class "com.edr.iveflownthat.TempLobbyActivity" on path: DexPathList[[zip file "/data/app/com.edr.iveflownthat-1/base.apk"],nativeLibraryDirectories=[/vendor/lib, /system/lib]]
FATAL EXCEPTION: main
Process: com.edr.iveflownthat, PID: 1457
java.lang.NoClassDefFoundError: Failed resolution of: Lcom/edr/iveflownthat/TempLobbyActivity;
at com.edr.iveflownthat.pages.MainActivity.tryAutoLogin(MainActivity.java:46)
at com.edr.iveflownthat.pages.MainActivity.onCreate(MainActivity.java:22)
at android.app.Activity.performCreate(Activity.java:5933)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1105)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2251)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2360)
at android.app.ActivityThread.access$800(ActivityThread.java:144)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1278)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5221)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:899)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:694)
Caused by: java.lang.ClassNotFoundException: Didn't find class "com.edr.iveflownthat.TempLobbyActivity" on path: DexPathList[[zip file "/data/app/com.edr.iveflownthat-1/base.apk"],nativeLibraryDirectories=[/vendor/lib, /system/lib]]
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
... 15 more
Suppressed: java.lang.NoClassDefFoundError: com.edr.iveflownthat.TempLobbyActivity
at dalvik.system.DexFile.defineClassNative(Native Method)
at dalvik.system.DexFile.defineClass(DexFile.java:222)
at dalvik.system.DexFile.loadClassBinaryName(DexFile.java:215)
at dalvik.system.DexPathList.findClass(DexPathList.java:321)
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:54)
... 17 more
Suppressed: java.lang.ClassNotFoundException: com.edr.iveflownthat.TempLobbyActivity
at java.lang.Class.classForName(Native Method)
at java.lang.BootClassLoader.findClass(ClassLoader.java:781)
at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)
at java.lang.ClassLoader.loadClass(ClassLoader.java:504)
... 16 more
Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
... 15 more
Suppressed: java.lang.NoClassDefFoundError: com.edr.iveflownthat.TempLobbyActivity
at dalvik.system.DexFile.defineClassNative(Native Method)
at dalvik.system.DexFile.defineClass(DexFile.java:222)
at dalvik.system.DexFile.loadClassBinaryName(DexFile.java:215)
at dalvik.system.DexPathList.findClass(DexPathList.java:321)
at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:54)
... 17 more
Suppressed: java.lang.ClassNotFoundException: com.edr.iveflownthat.TempLobbyActivity
at java.lang.Class.classForName(Native Method)
at java.lang.BootClassLoader.findClass(ClassLoader.java:781)
at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)
at java.lang.ClassLoader.loadClass(ClassLoader.java:504)
... 16 more
Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available
I have made sure that the class TempLobbyActivity does exist and is a proper activity. I get no other errors.
Here is the begining of TempLobbyActivity:
package com.edr.iveflownthat;
import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.app.FragmentManager;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBarDrawerToggle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import com.edr.iveflownthat.pages.fragments.LobbyLeaderboardFragment;
import com.edr.iveflownthat.pages.fragments.LobbyMessagerFragment;
import com.edr.iveflownthat.pages.fragments.LobbyMyPlanesFragment;
public class TempLobbyActivity extends FragmentActivity {
And here is my manifest file:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.edr.iveflownthat"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="14"
android:targetSdkVersion="19" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.GET_ACCOUNTS" />
<uses-permission android:name="android.permission.USE_CREDENTIALS" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<application
android:allowBackup="true"
android:icon="@drawable/app_logo"
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" />
<activity
android:name=".pages.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>
<activity
android:name=".StartActivity"
android:label="@string/title_activity_start" >
</activity>
<activity
android:name=".pages.AccountLoginActivity"
android:label="@string/title_activity_login" >
</activity>
<activity
android:name=".pages.MyPlanesActivity"
android:label="@string/title_activity_my_planes" >
</activity>
<activity
android:name="com.edr.icom.edr.iveflownthat.activities.AccountNewActivity"
android:label="@string/title_activity_new_account" >
</activity>
<activity
android:name=".pages.SearchPlanesActivity"
android:label="@string/title_activity_search"
android:parentActivityName=".pages.LobbyActivity" >
<meta-data
android:name="android.support.PARENT_ACTIVITY"
android:value="com.edr.iveflownthat.pages.LobbyActivity" />
</activity>
<activity
android:name=".pages.LeaderBoardActivity"
android:label="@string/title_activity_leader_board" >
</activity>
<activity
android:name=".pages.PlaneBioActivity"
android:label="@string/title_activity_plane_info" >
</activity>
<activity
android:name=".pages.AccountLoginFacebookActivity"
android:label="@string/title_activity_account_login_facebook" >
</activity>
<activity
android:name=".pages.AccountLoginGoogleActivity"
android:label="@string/title_activity_account_login_google" >
</activity>
<activity
android:name=".pages.AccountLoginTwitterActivity"
android:label="@string/title_activity_account_login_twitter" >
</activity>
<activity
android:name=".pages.SettingsActivity"
android:label="@string/title_activity_settings" >
</activity>
<activity
android:name=".pages.MainTabActivity"
android:label="@string/title_activity_main_tab" >
</activity>
<activity
android:name=".pages.LobbyActivity"
android:label="@string/title_activity_lobby" >
</activity>
<activity
android:name=".pages.MessageStreamActivity"
android:label="@string/title_activity_message_stream"
android:parentActivityName=".pages.LobbyActivity" >
<meta-data
android:name="android.support.PARENT_ACTIVITY"
android:value="com.edr.iveflownthat.pages.LobbyActivity" />
</activity>
<activity
android:name=".pages.LeaderboardActivity"
android:label="@string/title_activity_leaderboard"
android:parentActivityName=".pages.LobbyActivity" >
<meta-data
android:name="android.support.PARENT_ACTIVITY"
android:value="com.edr.iveflownthat.pages.LobbyActivity" />
</activity>
<service
android:name=".services.MainService"
android:exported="false" />
<activity
android:name=".pages.NewMessageActivity"
android:label="@string/title_activity_new_message" >
</activity>
<activity
android:name=".pages.PlaneActivity"
android:label="@string/title_activity_plane" >
</activity>
<!--
<meta-data
android:name="com.facebook.sdk.ApplicationId"
android:value="@string/app_id" />
<activity
android:name="com.facebook.LoginActivity"
android:label="@string/app_name" >
</activity>
-->
<activity
android:name=".TempLobbyActivity"
android:label="@string/title_activity_temp_lobby" >
</activity>
</application>
</manifest>
I was getting the same error even though class was defined in AndroidManifest.xml.
Cause : Sometimes this happens as you add more than one version of appcompat library.
Solution : Remove any previous version of appcompat lib and add appcompat_v7.jar to your /lib folder.
Clean your project and build again. You might not get error again.
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