Android工具类之创建删除快捷图标

/**
* 创建删除快捷图标
* <p/>
* 需要权限: com.android.launcher.permission.INSTALL_SHORTCUT
* com.android.launcher.permission.UNINSTALL_SHORTCUT
*/
public final class ShortCutUtil {

/**
* Don't let anyone instantiate this class.
*/
private ShortCutUtil() {
throw new Error("Do not need instantiate!");
}

/**
* 检测是否存在快捷键
*
* @param activity Activity
* @return 是否存在桌面图标
*/
public static boolean hasShortcut(Activity activity) {
boolean isInstallShortcut = false;
final ContentResolver cr = activity.getContentResolver();
final String AUTHORITY = "com.android.launcher.settings";
final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY
+ "/favorites?notify=true");
Cursor c = cr.query(CONTENT_URI,
new String[]{"title", "iconResource"}, "title=?",
new String[]{activity.getString(R.string.app_name).trim()},
null);
if (c != null && c.getCount() > 0) {
isInstallShortcut = true;
}
return isInstallShortcut;
}

/**
* 为程序创建桌面快捷方式
*
* @param activity Activity
* @param res      res
*/
public static void addShortcut(Activity activity, int res) {

Intent shortcut = new Intent(
"com.android.launcher.action.INSTALL_SHORTCUT");
// 快捷方式的名称
shortcut.putExtra(Intent.EXTRA_SHORTCUT_NAME,
activity.getString(R.string.app_name));
// 不允许重复创建
shortcut.putExtra("duplicate", false);
Intent shortcutIntent = new Intent(Intent.ACTION_MAIN);
shortcutIntent.setClassName(activity, activity.getClass().getName());
shortcut.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
// 快捷方式的图标
Intent.ShortcutIconResource iconRes = Intent.ShortcutIconResource.fromContext(
activity, res);
shortcut.putExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE, iconRes);

activity.sendBroadcast(shortcut);
}

/**
* 删除程序的快捷方式
*
* @param activity Activity
*/
public static void delShortcut(Activity activity) {

Intent shortcut = new Intent(
"com.android.launcher.action.UNINSTALL_SHORTCUT");
// 快捷方式的名称
shortcut.putExtra(Intent.EXTRA_SHORTCUT_NAME,
activity.getString(R.string.app_name));
String appClass = activity.getPackageName() + "."
+ activity.getLocalClassName();
ComponentName comp = new ComponentName(activity.getPackageName(),
appClass);
shortcut.putExtra(Intent.EXTRA_SHORTCUT_INTENT, new Intent(
Intent.ACTION_MAIN).setComponent(comp));
activity.sendBroadcast(shortcut);
}
}