Using_Android/NO INTERNET DIALOG at master · gouravtechno/Using_Android · GitHub

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//SOURCE CODE JAVA ---------------------------------------------------------------------------------------------------------------------------------------

public class MainActivity extends AppCompatActivity {
    WebView webView;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        webView =  findViewById(R.id.webView);
        //Intiallize webSetting
        WebSettings webSetting = webView.getSettings();
        webSetting.setJavaScriptEnabled(true);

        //Initialize connectivityManager
        ConnectivityManager connectivityManager = (ConnectivityManager) getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);
        //get active network info
        NetworkInfo networkInfo =connectivityManager.getActiveNetworkInfo();
        //Checknetwork status
        if(networkInfo == null|| !networkInfo.isConnected() || !networkInfo.isAvailable()){
            //when internet is inactive
            //Initialize dialog
            Dialog dialog = new Dialog(this);
            //Set content view
            dialog.setContentView(R.layout.alert_dialog);
            //set outside touch
            dialog.setCanceledOnTouchOutside(false);
            //Set dialog width & height
            dialog.getWindow().setLayout(WindowManager.LayoutParams.WRAP_CONTENT,WindowManager.LayoutParams.WRAP_CONTENT);
            //Set transparent background
            dialog.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
            //Set animation
            dialog.getWindow().getAttributes().windowAnimations = android.R.style.Animation_Dialog;
            //Initialize dialog variable

            Button btnTryAgain = dialog.findViewById(R.id.btn_try_again);
            btnTryAgain.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View view) {
                    recreate();
                }
            });
            //Show Dialog
            dialog.show();;
        }else{
            //When Internet active

            //Load url
            webView.loadUrl("https://m.youtube.com");

        }

    }
}
//XML LAYOUT--------------------------------------------------------------------------------------------------------------------------------------------
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <WebView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/webView"/>

</RelativeLayout>

//RESOURCES FILES ------------------------------------------------------------------------------------------------------------------------

//----------------(A) ALERT DIALOG ------------------------------------------------------------------------------------------------------
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:orientation="vertical"
    android:padding="20dp"
    android:gravity="center"
    android:background="@drawable/bg_round">
    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/no_internet"/>
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Ooops !"
        android:textStyle="bold"
        android:fontFamily="monospace"
        android:textColor="@android:color/white"
        android:textAppearance="@style/TextAppearance.AppCompat.Large"/>
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="No Iternet Connection found.\n Check your connection"
        android:textAlignment="center"
        android:layout_marginTop="50dp"
        android:fontFamily="serif"
        android:textColor="@android:color/white"
        android:textAppearance="@style/TextAppearance.AppCompat.Small"/>
    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/btn_try_again"
        android:text="Try Again"
        android:textAllCaps="false"
        android:textStyle="bold"
        android:textColor="@android:color/white"
        android:layout_marginTop="30dp"
        android:background="@android:drawable/bottom_bar"/>


</LinearLayout>

//----------------(B) SHAPE OF DIALOG -----------------------------------------------------------------------------------------------------------------------------
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <solid android:color="#009688"/>
    <corners android:radius="20dp"/>
</shape>