android 查看软件

引用：http://www.eoeandroid.com/thread-21948-1-1.html

程序代码部分：

1. public class ApplicatonList extends Activity {
3. private List<Map<String, Object>> data;
4. Map<String, Object> item;
5. private ListView listView = null;
7. @Override
8. public void onCreate(Bundle savedInstanceState) {
9. super.onCreate(savedInstanceState);
11. listView = new ListView(this);
12. data = new ArrayList<Map<String, Object>>();
13. listPackages();
14. SimpleAdapter adapter = new SimpleAdapter(this, data,
15. android.R.layout.simple_list_item_2, new String[] {"appname","pname" }, new int[] {
16. android.R.id.text1, android.R.id.text2, });
17. listView.setAdapter(adapter);
18. setContentView(listView); 
19. }
21. class PInfo { 
22. private String appname = ""; 
23. private String pname = ""; 
24. private String versionName = ""; 
25. private int versionCode = 0; 
26. private Drawable icon; 
27. private void prettyPrint() { 
28. Log.i("taskmanger",appname + "\t" + pname + "\t" + versionName + "\t" + versionCode + "\t"); 
29. } 
30. } 
32. private void listPackages() { 
33. ArrayList<PInfo> apps = getInstalledApps(false); /* false = no system packages */ 
34. final int max = apps.size(); 
35. for (int i=0; i<max; i++) { 
36. apps.get(i).prettyPrint(); 
37. item = new HashMap<String, Object>();
38. item.put("appname", apps.get(i).appname);
39. item.put("pname", apps.get(i).pname);
40. data.add(item); 
41. } 
42. } 
44. private ArrayList<PInfo> getInstalledApps(boolean getSysPackages) { 
45. ArrayList<PInfo> res = new ArrayList<PInfo>(); 
46. List<PackageInfo> packs = getPackageManager().getInstalledPackages(0); 
47. for(int i=0;i<packs.size();i++) { 
48. PackageInfo p = packs.get(i); 
49. if ((!getSysPackages) && (p.versionName == null)) { 
50. continue ; 
51. } 
52. PInfo newInfo = new PInfo(); 
53. newInfo.appname = p.applicationInfo.loadLabel(getPackageManager()).toString(); 
54. newInfo.pname = p.packageName; 
55. newInfo.versionName = p.versionName; 
56. newInfo.versionCode = p.versionCode; 
57. newInfo.icon = p.applicationInfo.loadIcon(getPackageManager()); 
58. res.add(newInfo); 
59. } 
60. return res; 
61. } 
64. }

复制代码