OurPaint/android/src/AndroidManifest.xml

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

  <uses-sdk android:minSdkVersion="24"/>
  <uses-feature android:glEsVersion="0x00030002" android:required="true" />
  <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> 
  <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/> 

  <!-- This .apk has no Java code itself, so set hasCode to false. -->
  <!-- android:icon="@mipmap/ic_launcher" --> 
  <application
    android:allowBackup="false"
    android:label="@string/app_name"
    android:hasCode="false">

    <!-- Our activity is the built-in NativeActivity framework class. This will take care of integrating with our NDK code. -->
    <activity android:name="android.app.NativeActivity"
      android:label="@string/app_name"
      android:configChanges="orientation|keyboardHidden|screenSize"
      android:clearTaskOnLaunch="false"
      android:launchMode="singleTask">

      <!-- Tell NativeActivity the name of our .so -->
      <meta-data android:name="android.app.lib_name" android:value="ourpaint-android" />
      <intent-filter>
        <action android:name="android.intent.action.MAIN" />
        <category android:name="android.intent.category.LAUNCHER" />
      </intent-filter>
    </activity>
  </application>
</manifest>