Мобил иловалар яратиш лектор: Аюпов Равшан Хамдамович Кириш Модулнинг мақсади ва вазифалари

MainAcivity.java файли мос ҳолда ўзгартирилади

activity_main.xml файли ҳам мос ҳолда ўзгартирилади

"1.0" encoding="utf-8"?> xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > android:text=“checkConnection" android:id="@+id/Button01" android:layout_width="wrap_content"

android:layout_height="wrap_content" />

MainActivity.java

//Package name here import android.app.Activity; import android.os.Bundle; import java.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.URL; import java.net.URLConnection; import android.util.Log; public class MainActivity extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } public void checkInternetConnection(){ ConnectivityManager check = (ConnectivityManager) this.context. getSystemService(Context.CONNECTIVITY_SERVICE); if (check != null) { NetworkInfo[] info = check.getAllNetworkInfo(); if (info != null) for (int i = 0; i if (info[i].getState() == NetworkInfo.State.CONNECTED) { Toast.makeText(context, "Internet is connected", Toast.LENGTH_SHORT).show(); } } else{ Toast.makeText(context, "not conencted to internet", Toast.LENGTH_SHORT).show(); } }

}
Binary маълумотларни юклаб олиш²⁰

1. 
   Янги DownloadData номли Андроид лойиҳа яратамиз
   
2. 
   Лойиҳанинг main.xml файлини қуйидагича ўзгартирамиз
   

   xmlns:android=”http://schemas.android.com/apk/res/android” android:layout_width=”fill_parent” android:layout_height=”fill_parent” android:orientation=”vertical” > android:id=”@+id/img” android:layout_width=”wrap_content” android:layout_height=”wrap_content” android:layout_gravity=”center” />

3. 
   AndroidManifest.xml файлига қуйидаги permission қўшиб қўйилади
   

4. 
   MainActivity.java
   

// Package номи лойиҳангизга мос қолдиринг // Керакли синфларни import қилинг public class MainActivity extends Activity { ImageView img; private InputStream OpenHttpConnection(String urlString) throws IOException{ InputStream in = null; int response = -1; URL url = new URL(urlString); URLConnection conn = url.openConnection(); if (!(conn instanceof HttpURLConnection)) throw new IOException(“Not an HTTP connection”); try{ HttpURLConnection httpConn = (HttpURLConnection) conn; httpConn.setAllowUserInteraction(false); httpConn.setInstanceFollowRedirects(true); httpConn.setRequestMethod(“GET”); httpConn.connect();