AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
          package="com.bulletnoid.android.widget.StaggeredGridViewDemo"
          android:versionCode="1"
          android:versionName="1.0">

    <uses-sdk android:minSdkVersion="8"
              android:targetSdkVersion="17"/>

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

    <application
            android:label="@string/app_name"
            android:icon="@drawable/ic_launcher"
            android:theme="@android:style/Theme.Holo.Light">

        <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=".STGVActivity"
                android:label="STGVActivity"
                android:screenOrientation="portrait"/>
        <activity
                android:name=".STGVWithPTRActivity"
                android:label="STGVWithPTRActivity"
                android:screenOrientation="portrait"/>
    </application>
</manifest>