I found that AppActivity not being called. It is strange because this activity is in the AndroidManifest.xml. I use AndroidStudio.
My AppActivity.java
I renamed public class AppActivity extends Cocos2dxActivity{}
to public class AppActivity extends Cocos2dxActivityNoExist {}
It must be a compile error because I don’t have Cocos2dxActivityNoExist class.
I rebuild a project and it said that everything ok. There are not any errors.
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="org.cocos2dx.mahjongDroid"
android:installLocation="auto">
<uses-permission android:name="android.permission.INTERNET"/>
<uses-feature android:glEsVersion="0x00020000" />
<application
android:label="@string/app_name"
android:allowBackup="true"
android:icon="@mipmap/ic_launcher">
<uses-library
android:name="org.apache.http.legacy"
android:required="false" />
<!-- Tell Cocos2dxActivity the name of our .so -->
<meta-data android:name="android.app.lib_name"
android:value="MyGame" />
<activity
android:name="org.cocos2dx.cpp.AppActivity"
android:screenOrientation="landscape"
android:configChanges="orientation|keyboardHidden|screenSize"
android:label="@string/app_name"
android:theme="@android:style/Theme.NoTitleBar.Fullscreen"
android:launchMode="singleTask"
android:taskAffinity="" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>```
My AppActivity directory is 