Android İnternet Kontrolu ve Giriş İzni Splush Ekranında Ayarlandı

Android Manifest İzinleri

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



Java Class Tarafı

package tr.com.caglayangrup.caritakip.caritakip;

import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.os.Handler;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

public class SplashScreen extends AppCompatActivity {
    private static int SPLASH_TIME_OUT = 3000;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);


       if(!isConnected(SplashScreen.this)) buildDialog(SplashScreen.this).show();

       else {
            setContentView(R.layout.splash_screen);
           new Handler().postDelayed(new Runnable() {
               @Override
               public void run() {
                   Intent intent1 = new Intent(SplashScreen.this,MainActivity.class);
                   startActivity(intent1);
                   finish();
               }
           },SPLASH_TIME_OUT);
       }
    }
    public boolean isConnected(Context context) {

        ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo netinfo = cm.getActiveNetworkInfo();

        if (netinfo != null && netinfo.isConnectedOrConnecting()) {
            android.net.NetworkInfo wifi = cm.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
            android.net.NetworkInfo mobile = cm.getNetworkInfo(ConnectivityManager.TYPE_MOBILE);

            if((mobile != null && mobile.isConnectedOrConnecting()) || (wifi != null && wifi.isConnectedOrConnecting())) return true;
        else return false;
        } else
        return false;
    }
    public AlertDialog.Builder buildDialog(Context c) {

        AlertDialog.Builder builder = new AlertDialog.Builder(c);
        builder.setTitle("İnternet Bağlantısı Yok");
        builder.setMessage("Lütfen Veri Kullanımına İzin Veriniz...");

        builder.setPositiveButton("Ok", new DialogInterface.OnClickListener() {

            @Override
            public void onClick(DialogInterface dialog, int which) {

                finish();
            }
        });

        return builder;
    }
}