Manifest.xml

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.aliozn.etut1805">

    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

    <application        android:allowBackup="true"        android:icon="@mipmap/ic_launcher"        android:label="Sor-Çöz Etüt Programı"        android:supportsRtl="true"        android:theme="@style/AppTheme">
        <activity            android:name=".Giris"            android:screenOrientation="portrait">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity            android:name=".Ogrenci"            android:screenOrientation="portrait"            android:windowSoftInputMode="adjustPan" />
        <activity            android:name=".Sorusor"            android:screenOrientation="portrait"            android:windowSoftInputMode="adjustPan" />
        <activity android:name=".Sorular"            android:screenOrientation="portrait"            android:windowSoftInputMode="adjustPan"/>
    </application>

</manifest>