{"id":190,"date":"2026-03-03T21:45:01","date_gmt":"2026-03-03T20:45:01","guid":{"rendered":"http:\/\/kruczek.zoot.pl\/?page_id=190"},"modified":"2026-03-04T20:19:00","modified_gmt":"2026-03-04T19:19:00","slug":"todo-java","status":"publish","type":"page","link":"http:\/\/kruczek.zoot.pl\/index.php\/todo-java\/","title":{"rendered":"ToDo (Java)"},"content":{"rendered":"\n
\n

ToDo (Java)<\/strong><\/mark><\/h2>\n<\/div>\n\n\n\n
\n
\n
\"\"<\/figure>\n\n\n\n
\n
\"\"<\/figure>\n\n\n\n

ToDo (Java)<\/strong><\/h2>\n\n\n\n

Ta aplikacja by\u0142a projektem kt\u00f3ry musia\u0142em stworzy\u0107 na lekcj\u0119<\/strong> zwi\u0105zan\u0105 z aplikacjami mobilnymi.
Jest to podstawowa aplikacja ToDo do kt\u00f3rej mo\u017cemy dodawa\u0107 zadania oraz usuwa\u0107 je z listy.<\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n

\n
Kod <\/strong>Java<\/summary>\n
package com.example.todoapp;

import android.graphics.Paint;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.TextView;

import androidx.appcompat.app.AppCompatActivity;

import java.util.ArrayList;

public class MainActivity extends AppCompatActivity {

    EditText editTextTask;
    Button buttonAdd;
    ListView listView;

    ArrayList<String> tasks;
    ArrayAdapter<String> adapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        editTextTask = findViewById(R.id.editTextTask);
        buttonAdd = findViewById(R.id.buttonAdd);
        listView = findViewById(R.id.listView);

        tasks = new ArrayList<>();

        adapter = new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, tasks);

        listView.setAdapter(adapter);

        buttonAdd.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                String text = editTextTask.getText().toString().trim();

                if (!text.isEmpty()) {
                    tasks.add(text);
                    adapter.notifyDataSetChanged();
                    editTextTask.setText(\"\");
                }
            }
        });

        listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                TextView textView = (TextView) view;

                textView.setPaintFlags(
                        textView.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG
                );

                String task = tasks.get(position);
                tasks.remove(position);
                tasks.add(task);

                adapter.notifyDataSetChanged();
            }
        });
    }
}
<\/pre>\n<\/details>\n<\/div>\n\n\n\n
\n
Kod <\/strong>XML<\/summary>\n
<?xml version=\"1.0\" encoding=\"utf-8\"?>
<LinearLayout
    xmlns:android=\"http:\/\/schemas.android.com\/apk\/res\/android\"
    android:orientation=\"vertical\"
    android:padding=\"16dp\"
    android:layout_width=\"match_parent\"
    android:layout_height=\"match_parent\">

    <LinearLayout
        android:orientation=\"horizontal\"
        android:layout_width=\"match_parent\"
        android:layout_height=\"wrap_content\">

        <EditText
            android:id=\"@+id\/editTextTask\"
            android:layout_width=\"0dp\"
            android:layout_height=\"wrap_content\"
            android:layout_weight=\"1\"
            android:hint=\"Wpisz zadanie\"\/>

        <Button
            android:id=\"@+id\/buttonAdd\"
            android:layout_width=\"wrap_content\"
            android:layout_height=\"wrap_content\"
            android:text=\"Dodaj\"\/>
    <\/LinearLayout>

    <ListView
        android:id=\"@+id\/listView\"
        android:layout_width=\"match_parent\"
        android:layout_height=\"match_parent\"
        android:dividerHeight=\"8dp\"\/>
<\/LinearLayout>
<\/pre>\n<\/details>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
ToDo (Java) ToDo (Java) Ta aplikacja by\u0142a projektem kt\u00f3ry musia\u0142em stworzy\u0107 na lekcj\u0119 zwi\u0105zan\u0105 z aplikacjami mobilnymi.Jest to podstawowa aplikacja ToDo do kt\u00f3rej mo\u017cemy dodawa\u0107 zadania oraz usuwa\u0107 je z listy.<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-190","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/kruczek.zoot.pl\/index.php\/wp-json\/wp\/v2\/pages\/190","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/kruczek.zoot.pl\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/kruczek.zoot.pl\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/kruczek.zoot.pl\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/kruczek.zoot.pl\/index.php\/wp-json\/wp\/v2\/comments?post=190"}],"version-history":[{"count":12,"href":"http:\/\/kruczek.zoot.pl\/index.php\/wp-json\/wp\/v2\/pages\/190\/revisions"}],"predecessor-version":[{"id":510,"href":"http:\/\/kruczek.zoot.pl\/index.php\/wp-json\/wp\/v2\/pages\/190\/revisions\/510"}],"wp:attachment":[{"href":"http:\/\/kruczek.zoot.pl\/index.php\/wp-json\/wp\/v2\/media?parent=190"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}