change minimal requirement to android 4.0

android/AndroidManifest.xml

@@ -3,7 +3,7 @@
       package="org.purplei2p.i2pd"
       android:versionCode="1"
       android:versionName="2.13.0">
-    <uses-sdk android:minSdkVersion="9" android:targetSdkVersion="24"/>
+    <uses-sdk android:minSdkVersion="14" android:targetSdkVersion="24"/>
 	<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
     <uses-permission android:name="android.permission.INTERNET"/>
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>

android/libs/.gitignore

@@ -1 +0,0 @@
-armeabi-v7a

android/src/org/purplei2p/i2pd/ForegroundService.java

@@ -6,7 +6,6 @@ import android.app.Service;
 import android.content.Intent;
 import android.os.Binder;
 import android.os.IBinder;
-import android.support.v4.app.NotificationCompat;
 import android.util.Log;
 
 public class ForegroundService extends Service {
@@ -72,7 +71,7 @@ public class ForegroundService extends Service {
                 new Intent(this, I2PD.class), 0);
 
         // Set the info for the views that show in the notification panel.
-        Notification notification = new NotificationCompat.Builder(this)
+        Notification notification = new Notification.Builder(this)
                 .setSmallIcon(R.drawable.itoopie_notification_icon)  // the status icon
                 .setTicker(text)  // the status text
                 .setWhen(System.currentTimeMillis())  // the time stamp
@@ -85,4 +84,4 @@ public class ForegroundService extends Service {
         //mNM.notify(NOTIFICATION, notification);
         startForeground(NOTIFICATION, notification);
     }
-}
+}