Connectivity helper

src/lt/appcamp/appcamp16/helpers/ConnectivityHelper.java

@@ -0,0 +1,57 @@
+package lt.appcamp.appcamp16.helpers;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.net.ConnectivityManager;
+import android.net.NetworkInfo;
+
+public class ConnectivityHelper {
+
+	public static void requireNetwork(Context context) {
+        if (!ConnectivityHelper.isNetworkConnected(context)) {
+        	AlertDialog.Builder builder = new AlertDialog.Builder(context);
+        	builder.setMessage("You need to enable the network connection to use this application")
+        	       .setCancelable(false)
+        	       .setPositiveButton("Yes", new DialogInterface.OnClickListener() {
+        	           public void onClick(DialogInterface dialog, int id) {
+        	        	   Context context = ((Dialog) dialog).getContext();
+        	        	   context.startActivity(new Intent(android.provider.Settings.ACTION_WIRELESS_SETTINGS));
+        	           }
+        	       })
+        	       .setNegativeButton("No", new DialogInterface.OnClickListener() {
+        	           public void onClick(DialogInterface dialog, int id) {
+        	                dialog.cancel();
+        	           }
+        	       });
+
+        	builder.create().show();
+        }
+    }
+
+    public static boolean isNetworkConnected(Context context) {
+        return isWiFiNetworkConnected(context) || isMobileNetworkConnected(context);
+    }
+
+    public static boolean isWiFiNetworkConnected(Context context) {
+    	return getWiFiNetworkInfo(context).isConnected();
+    }
+
+    private static NetworkInfo getWiFiNetworkInfo(Context context) {
+        return getConnectivityManager(context).getNetworkInfo(ConnectivityManager.TYPE_WIFI);
+    }
+
+    public static boolean isMobileNetworkConnected(Context context) {
+    	return getMobileNetworkInfo(context).isConnected();
+    }
+
+    private static NetworkInfo getMobileNetworkInfo(Context context) {
+        return getConnectivityManager(context).getNetworkInfo(ConnectivityManager.TYPE_MOBILE);
+    }
+
+    private static ConnectivityManager getConnectivityManager(Context context) {
+        return (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
+    }
+}