Android应用添加(创建)和删除及判断是否存在桌面快捷方式

/**
 * 为当前应用添加桌面快捷方式
 * 
 * @param cx
 * @param appName
 *            快捷方式名称
 */
public static void addShortcut(Context cx) {
    Intent shortcut = new Intent("com.android.launcher.action.INSTALL_SHORTCUT");

    Intent shortcutIntent = cx.getPackageManager()
            .getLaunchIntentForPackage(cx.getPackageName());
    shortcut.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
    // 获取当前应用名称
    String title = null;
    try {
        final PackageManager pm = cx.getPackageManager();
        title = pm.getApplicationLabel(
                pm.getApplicationInfo(cx.getPackageName(),
                        PackageManager.GET_META_DATA)).toString();
    } catch (Exception e) {
    }
    // 快捷方式名称
    shortcut.putExtra(Intent.EXTRA_SHORTCUT_NAME, title);
    // 不允许重复创建（不一定有效）
    shortcut.putExtra("duplicate", false);
    // 快捷方式的图标
    Parcelable iconResource = Intent.ShortcutIconResource.fromContext(cx,
            R.drawable.ic_launcher);
    shortcut.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, iconResource);

    cx.sendBroadcast(shortcut);
}

/**
 * 删除当前应用的桌面快捷方式
 * 
 * @param cx
 */
public static void delShortcut(Context cx) {
    Intent shortcut = new Intent(
            "com.android.launcher.action.UNINSTALL_SHORTCUT");

    // 获取当前应用名称
    String title = null;
    try {
        final PackageManager pm = cx.getPackageManager();
        title = pm.getApplicationLabel(
                pm.getApplicationInfo(cx.getPackageName(),
                        PackageManager.GET_META_DATA)).toString();
    } catch (Exception e) {
    }
    // 快捷方式名称
    shortcut.putExtra(Intent.EXTRA_SHORTCUT_NAME, title);
    Intent shortcutIntent = cx.getPackageManager()
            .getLaunchIntentForPackage(cx.getPackageName());
    shortcut.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
    cx.sendBroadcast(shortcut);
}

/**
 * 判断桌面是否已添加快捷方式
 * 
 * @param cx
 * @param titleName
 *            快捷方式名称
 * @return
 */
public static boolean hasShortcut(Context cx) {
    boolean result = false;
    // 获取当前应用名称
    String title = null;
    try {
        final PackageManager pm = cx.getPackageManager();
        title = pm.getApplicationLabel(
                pm.getApplicationInfo(cx.getPackageName(),
                        PackageManager.GET_META_DATA)).toString();
    } catch (Exception e) {
    }

    final String uriStr;
    if (android.os.Build.VERSION.SDK_INT < 8) {
        uriStr = "content://com.android.launcher.settings/favorites?notify=true";
    } else {
        uriStr = "content://com.android.launcher2.settings/favorites?notify=true";
    }
    final Uri CONTENT_URI = Uri.parse(uriStr);
    final Cursor c = cx.getContentResolver().query(CONTENT_URI, null,
            "title=?", new String[] { title }, null);
    if (c != null && c.getCount() > 0) {
        result = true;
    }
    return result;
}

<uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />
<uses-permission android:name="com.android.launcher.permission.UNINSTALL_SHORTCUT" />
<uses-permission android:name="com.android.launcher.permission.READ_SETTINGS" />