错误提示:have you declared this activity in your AndroidManifest.xml?
2017-02-27 11:47
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文中代码出自郭霖先生所著《第一行代码》,人民邮电出版社出版。
第4章 FragmentBestPractice 一个简易版的新闻应用
在本节实践,制作一个简易版的新闻应用中,当写好代码开始运行时,程序正常打开,但点击新闻标题时,程序停止,并报错:
android.content.ActivityNotFoundException: Unable to find explicit activity class {com.example.fragmentbestpractice/com.example.fragmentbestpractice.NewsContentActivity}; have you declared this activity in your AndroidManifest.xml?
经网上查询与理解,此句表达的是:NewsContentActivity这个活动,并没有在 AndroidManifest.xml 文件中注册。
解决方法:
打开 AndroidManifest.xml 文件,在其中加入 NewsContentActivity 的注册语句:
文中第24、25行即为添加的注册语句。
注册完毕后,程序可以正常运行,不再退出,不再报错。
第4章 FragmentBestPractice 一个简易版的新闻应用
在本节实践,制作一个简易版的新闻应用中,当写好代码开始运行时,程序正常打开,但点击新闻标题时,程序停止,并报错:
android.content.ActivityNotFoundException: Unable to find explicit activity class {com.example.fragmentbestpractice/com.example.fragmentbestpractice.NewsContentActivity}; have you declared this activity in your AndroidManifest.xml?
经网上查询与理解,此句表达的是:NewsContentActivity这个活动,并没有在 AndroidManifest.xml 文件中注册。
解决方法:
打开 AndroidManifest.xml 文件,在其中加入 NewsContentActivity 的注册语句:
<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.fragmentbestpractice" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="17" /> <application android:allowBackup="true" android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" > <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> <activity android:name=".NewsContentActivity" > </activity> </application> </manifest>
文中第24、25行即为添加的注册语句。
注册完毕后,程序可以正常运行,不再退出,不再报错。
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