VahidHoseini-ir

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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"
    android:orientation="horizontal"
    tools:context=".MainActivity">

VahidHoseini-ir

 private void showProgressDialog() {
        ProgressDialog progressDialog = new ProgressDialog(this);
        progressDialog.setTitle("Progress Dialog");
        progressDialog.setMessage("Loading...");
        progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
        progressDialog.setCancelable(false);
        progressDialog.show();

        // Simulate a long-running task
        new Handler().postDelayed(() -> {

VahidHoseini-ir

    private void showAlertDialog() {
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setIcon(R.drawable.outline_error_24);
        builder.setTitle("Alert Dialog");
        builder.setMessage("This is an alert dialog.");
        builder.setPositiveButton("OK", (dialog, which) -> dialog.dismiss());
        builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                Toast.makeText(getBaseContext(), "Show Alert Dialog Canceled", Toast.LENGTH_SHORT).show();

VahidHoseini-ir

public static boolean isNetworkConnected(Context context) {
        ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            android.net.Network network = connectivityManager.getActiveNetwork();
            if (network == null) return false;

            NetworkCapabilities networkCapabilities = connectivityManager.getNetworkCapabilities(network);
            if (networkCapabilities == null) return false;

VahidHoseini-ir

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

VahidHoseini-ir

public class TempListItem {
    private String[] name = {

            "Emily",
            "James",
            "Sophia",
            "William",
            "Olivia",
            "Benjamin",
            "Ava",

VahidHoseini-ir

System directories

Method	Result
Environment.getDataDirectory()	/data
Environment.getDownloadCacheDirectory()	/cache
Environment.getRootDirectory()	/system

External storage directories