Java Android Studio:代码已经完成,但每次我尝试运行时,应用程序都会崩溃
我制作了一个允许用户登录的应用程序,但每次我尝试运行时,我的应用程序都会不断崩溃 AndroidManifest.xmlJava Android Studio:代码已经完成,但每次我尝试运行时,应用程序都会崩溃,java,android,xml,android-layout,android-studio,Java,Android,Xml,Android Layout,Android Studio,我制作了一个允许用户登录的应用程序,但每次我尝试运行时,我的应用程序都会不断崩溃 AndroidManifest.xml <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.mertino11.ourapplication"> <uses-per
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.mertino11.ourapplication">
<uses-permission android:name="android.permission.INTERNET" />
<application
android:name=".FireApp"
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true">
<activity
android:name=".MainActivity"
android:theme="@style/AppTheme">
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
</application>
</manifest>
Java-->类:FireApp(我想是Firebase设置)
Java-->类:主要活动(使用帐户的后端日志记录)
错误屏幕截图:
--------- beginning of crash
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.mertino11.ourapplication, PID: 3060
android.content.ActivityNotFoundException: Unable to find explicit activity class {com.example.mertino11.ourapplication/com.example.mertino11.ourapplication.AccountActivity}; have you declared this activity in your AndroidManifest.xml?
at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1805)
at android.app.Instrumentation.execStartActivity(Instrumentation.java:1523)
at android.app.Activity.startActivityForResult(Activity.java:4224)
at android.support.v4.app.BaseFragmentActivityJB.startActivityForResult(BaseFragmentActivityJB.java:48)
at android.support.v4.app.FragmentActivity.startActivityForResult(FragmentActivity.java:75)
at android.app.Activity.startActivityForResult(Activity.java:4183)
at android.support.v4.app.FragmentActivity.startActivityForResult(FragmentActivity.java:856)
at android.app.Activity.startActivity(Activity.java:4507)
at android.app.Activity.startActivity(Activity.java:4475)
at com.example.mertino11.ourapplication.MainActivity$1.onAuthStateChanged(MainActivity.java:48)
at com.google.firebase.auth.FirebaseAuth$1.run(Unknown Source)
at android.os.Handler.handleCallback(Handler.java:751)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6077)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
Application terminated.
应用程序的场景:
--------- beginning of crash
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.mertino11.ourapplication, PID: 3060
android.content.ActivityNotFoundException: Unable to find explicit activity class {com.example.mertino11.ourapplication/com.example.mertino11.ourapplication.AccountActivity}; have you declared this activity in your AndroidManifest.xml?
at android.app.Instrumentation.checkStartActivityResult(Instrumentation.java:1805)
at android.app.Instrumentation.execStartActivity(Instrumentation.java:1523)
at android.app.Activity.startActivityForResult(Activity.java:4224)
at android.support.v4.app.BaseFragmentActivityJB.startActivityForResult(BaseFragmentActivityJB.java:48)
at android.support.v4.app.FragmentActivity.startActivityForResult(FragmentActivity.java:75)
at android.app.Activity.startActivityForResult(Activity.java:4183)
at android.support.v4.app.FragmentActivity.startActivityForResult(FragmentActivity.java:856)
at android.app.Activity.startActivity(Activity.java:4507)
at android.app.Activity.startActivity(Activity.java:4475)
at com.example.mertino11.ourapplication.MainActivity$1.onAuthStateChanged(MainActivity.java:48)
at com.google.firebase.auth.FirebaseAuth$1.run(Unknown Source)
at android.os.Handler.handleCallback(Handler.java:751)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6077)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
Application terminated.
- 创建firebase Google帐户(手动)
- 打开应用程序-->查看登录页面
- 使用Firebase的accountdetails登录
- 转到AccountActivity页
注意:我是AndroidStudio的业余爱好者/初学者。在您的
AndroidManifest.xml中添加AccountActivity
<activity
android:name=".AccountActivity">
<intent-filter>
...
</intent-filter>
</activity>
...
在您的AndroidManifest.xml
<activity
android:name=".AccountActivity">
<intent-filter>
...
</intent-filter>
</activity>
...
这个错误是不言自明的
您错过了在您的清单上添加AccounActivity
<application
android:name=".FireApp"
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true">
<activity
android:name=".MainActivity"
android:theme="@style/AppTheme">
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
<activity
android:name=".AccountActivity"
android:theme="@style/AppTheme" />
</application>
这个错误是不言自明的
您错过了在您的清单上添加AccounActivity
<application
android:name=".FireApp"
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true">
<activity
android:name=".MainActivity"
android:theme="@style/AppTheme">
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
</activity>
<activity
android:name=".AccountActivity"
android:theme="@style/AppTheme" />
</application>
始终仔细阅读日志:
android.content.ActivityNotFoundException: Unable to find explicit activity class {com.example.mertino11.ourapplication/com.example.mertino11.ourapplication.AccountActivity}; have you declared this activity in your AndroidManifest.xml?
始终仔细阅读logcat:
android.content.ActivityNotFoundException: Unable to find explicit activity class {com.example.mertino11.ourapplication/com.example.mertino11.ourapplication.AccountActivity}; have you declared this activity in your AndroidManifest.xml?
谢谢大家给我这个解决方案。但是(如果可能的话)你们知道为什么我的应用程序首先运行AccountActivity而不是Mainactivity吗?(它应该先运行mainactivity)谢谢大家给我这个解决方案。但是(如果可能的话)你们知道为什么我的应用程序首先运行AccountActivity而不是Mainactivity吗?(它应该首先运行mainactivity)在清单文件中添加.AccountActivity作为
<activity
android:name=".AccountActivity">
</activity>
将清单文件中的.AccountActivity添加为
<activity
android:name=".AccountActivity">
</activity>
@Mert Cakir:如果答案对你有帮助,请将其标记为“已接受”。)Mehdi,考虑到是谁先回答的,你的答案和我的有什么不同?更不用说要求用户将其标记为正确了。让@Mert来决定吧,谢谢。成功了!您可能知道为什么我的应用程序首先启动AccountActivity而不是MainActivity吗?@MertCakir,唯一的原因是如果您在.AccountActivity
声明标签上设置了上面显示的内容过滤器
标签。应该像我回答中的声明一样。@Mert Cakir:如果答案对您有帮助,请将其标记为“已接受”。)Mehdi,考虑到是谁先回答的,你的答案和我的有什么不同?更不用说要求用户将其标记为正确了。让@Mert来决定吧,谢谢。成功了!您可能知道为什么我的应用程序首先启动AccountActivity而不是MainActivity吗?@MertCakir,唯一的原因是如果您在.AccountActivity
声明标签上设置了上面显示的内容过滤器
标签。应该像我回答中的声明一样。