admin_signin活动无法转换为android.app.activity

Question

我收到以下异常：

Caused by: java.lang.ClassCastException: com.tecno.applock.admin_signin cannot be cast to android.app.Activity 

这是清单文件：

 <?xml version="1.0" encoding="utf-8"?> <manifest
   xmlns:android="http://schemas.android.com/apk/res/android"
       package="com.tecno.applock"
       android:versionCode="1"
       android:versionName="1.0" > <uses-sdk
           android:minSdkVersion="8"
           android:targetSdkVersion="19" />    
          <application
           android:allowBackup="true"
           android:icon="@drawable/ic_launcher"
           android:label="@string/app_name"
           android:theme="@style/AppTheme" 

          >
       <activity
        android:name="com.tecno.applock.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="admin_signin"></activity>
       <activity
       android:name="create_guest"></activity>
       <activity
        android:name="delete"></activity>
        <activity
         android:name="edit"></activity>
         <activity
         android:name="Welcom_admin"></activity>
   </application> </manifest>

我要去哪里错了？

Answer 1

Answer 2

而且，包路径对所有这些活动都正确吗？