读取launcher数据库数据

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1. import java.util.List;
2. import android.content.ContentResolver;
3. import android.content.Context;
4. import android.content.pm.PackageInfo;
5. import android.content.pm.PackageManager;
6. import android.content.pm.ProviderInfo;
7. import android.database.Cursor;
8. import android.net.Uri;
9. import android.util.Log;
10. public class LauncherUtils {
11. public static void readLauncherDB(Context context) {
12. final ContentResolver cr = context.getContentResolver();
13. String AUTHORITY = getAuthorityFromPermission(context,
14. "com.android.launcher.permission.READ_SETTINGS");
15. if (AUTHORITY == null) {
16. AUTHORITY = getAuthorityFromPermission(context,
17. "com.android.launcher.permission.WRITE_SETTINGS");
18. }
19. if (AUTHORITY == null) {
20. Log.e("", "no authority");
21. return;
22. }
23. Log.e("", "authority:" + AUTHORITY);
24. Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY
25. + "/favorites?notify=true");
26. Cursor c = cr.query(CONTENT_URI, null, null, null, null);
27. if (c != null) {
28. while (c.moveToNext()) {
29. int id = c.getInt(c.getColumnIndex("_id"));
30. // 快捷方式的名称
31. String title = c.getString(c.getColumnIndex("title"));
32. // 快捷方式启动的对象
33. String intent = c.getString(c.getColumnIndex("intent"));
34. int container = c.getInt(c.getColumnIndex("container"));
35. // 快捷方式在哪个屏幕,默认是1
36. int screen = c.getInt(c.getColumnIndex("screen"));
37. // 快捷方式的位置
38. int cellX = c.getInt(c.getColumnIndex("cellX"));
39. int cellY = c.getInt(c.getColumnIndex("cellY"));
40. int spanX = c.getInt(c.getColumnIndex("spanX"));
41. int spanY = c.getInt(c.getColumnIndex("spanY"));
42. int itemType = c.getInt(c.getColumnIndex("itemType"));
43. int appWidgetId = c.getInt(c.getColumnIndex("appWidgetId"));
44. int isShortcut = c.getInt(c.getColumnIndex("isShortcut"));
45. int iconType = c.getInt(c.getColumnIndex("iconType"));
46. // 快捷方式的图标
47. String iconPackage = c.getString(c
48. .getColumnIndex("iconPackage"));
49. // "iconResource"
50. // "icon"
51. // "uri"
52. // "displayMode"
53. int launchCount = c.getInt(c.getColumnIndex("launchCount"));
54. // "sortMode"
55. int itemFlags = c.getInt(c.getColumnIndex("itemFlags"));
56. String log = "id=" + id + "|title=" + title + "|intent="
57. + intent + "|container=" + container + "|screen="
58. + screen + "|cell=[" + cellX + "," + cellY + "]|"
59. + "span=[" + spanX + "," + spanY + "]|itemType="
60. + itemType + "|appWidgetId=" + appWidgetId
61. + "|isShortcut=" + isShortcut + "|iconType=" + iconType
62. + "|iconPackage=" + iconPackage + "|launchCount="
63. + launchCount + "|itemFlags=" + itemFlags;
64. Log.e("", log);
65. }
66. }
67. }
68. /**
69. * 获取authority
70. * @param context
71. * @param permission
72. * @return
73. */
74. static String getAuthorityFromPermission(Context context, String permission) {
75. if (permission == null)
76. return null;
77. List<PackageInfo> packs = context.getPackageManager()
78. .getInstalledPackages(PackageManager.GET_PROVIDERS);
79. if (packs != null) {
80. for (PackageInfo pack : packs) {
81. ProviderInfo[] providers = pack.providers;
82. if (providers != null) {
83. for (ProviderInfo provider : providers) {
84. if (permission.equals(provider.readPermission))
85. return provider.authority;
86. if (permission.equals(provider.writePermission))
87. return provider.authority;
88. }
89. }
90. }
91. }
92. return null;
93. }
94. }