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May 19th, 2019
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  1. package com.example.and;
  2.  
  3. import android.content.Intent;
  4. import android.support.v7.app.AppCompatActivity;
  5. import android.os.Bundle;
  6. import android.view.Menu;
  7. import android.view.MenuInflater;
  8. import android.view.MenuItem;
  9. import android.widget.ArrayAdapter;
  10. import android.widget.ListView;
  11.  
  12. import java.util.ArrayList;
  13. import java.util.Arrays;
  14.  
  15. public class MainActivity extends AppCompatActivity {
  16.  
  17. private ArrayList<String> target;
  18. private ArrayAdapter adapter;
  19.  
  20. @Override
  21. protected void onCreate(Bundle savedInstanceState) {
  22. super.onCreate(savedInstanceState);
  23. setContentView(R.layout.activity_main);
  24.  
  25. String[] values = new String[] { "Pies",
  26. "Kot", "Koń", "Gołąb", "Kruk", "Dzik", "Karp",
  27. "Osioł", "Chomik", "Mysz", "Jeż", "Kraluch" };
  28.  
  29. this.target = new ArrayList<String>();
  30. this.target.addAll(Arrays.asList(values));
  31.  
  32. this.adapter = new ArrayAdapter(this,
  33. android.R.layout.simple_list_item_1, this.target);
  34.  
  35. ListView listview = (ListView) findViewById(
  36. R.id.View );
  37. listview.setAdapter(this.adapter);
  38. }
  39.  
  40. @Override
  41. public boolean onCreateOptionsMenu(Menu menu)
  42. {
  43. MenuInflater inflater = getMenuInflater();
  44. inflater.inflate(R.menu.main_menu, menu);
  45. return true;
  46. }
  47.  
  48. public void nowyWpis(MenuItem mi)
  49. {
  50. Intent intencja = new Intent(this,
  51. DodajWpis.class);
  52. startActivityForResult(intencja, 1);
  53. }
  54.  
  55. @Override
  56. protected void onActivityResult(
  57. int requestCode, int resultCode, Intent data)
  58. {
  59. if(requestCode==1 && resultCode==RESULT_OK)
  60. {
  61. Bundle extras = data.getExtras();
  62. String nowy = (String)extras.get("wpis");
  63. target.add(nowy);
  64. adapter.notifyDataSetChanged();
  65. }
  66. }
  67.  
  68.  
  69. }
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