未找到运行应用默认活动时出错

Question

i am getting this error i have tried everything invalidating caches restarting and even editing the config. to main directory when doing this it is giving error.MainActivity not declared in manifest any help would be appreciated and this error is coming from the moment i pulled my code with my friends code working on same project using github

<application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        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=".ProductDescriptionActivity"/>
        <activity android:name=".ForgetPassOtp"/>
        <activity android:name=".ForgetNumber" />
        <activity android:name=".ResetPassword" />
        <activity android:name=".VerifyPhone" />
        <activity android:name=".RegisterActivity" />
        <activity android:name=".LoginActivity" />
        <meta-data
            android:name="preloaded_fonts"
            android:resource="@array/preloaded_fonts" />
    </application>

</manifest>

Answer 1

Try Invalidate Caches / Restart...

File -> Invalidate Caches / Restart...

possible duplicate "Default Activity Not Found" on Android Studio upgrade Default Activity Not Found - Bug in Android Studio 3.3

Answer 2

Deleting ***

D:\src\flutter_launcher\build\app\outputs\apk\app.apk

*** worked for me.