判断快捷方式是否存在以及创建

标签：android   快捷方式   

	/**
	 * 判断指定快捷方式是否存在(对root手机有效)
	 * 
	 * @param context
	 *            上下文对象
	 * @param title
	 *            标题
	 * @return 存在返回true,不存在或者不具有root权限返回false
	 */
	public static boolean isExistShortCut(Context context, String title) {
		try {
			String authority = PermissionUtil.getAuthorityFromPermission(
					context, Constant.READ_SETTINGS);
			if (DataUtil.isEmpty(authority)) {
				return false;
			}
			String url = "content://" + authority + "/favorites?notify=true";
			ContentResolver resolver = context.getContentResolver();
			Cursor cursor = resolver.query(Uri.parse(url), null, "title=?",
					new String[] { title }, null);
			while (cursor != null && cursor.moveToNext()) {
				String intent = cursor.getString(cursor
						.getColumnIndex("intent"));
				if (intent != null && intent.contains(context.getPackageName())) {
					cursor.close();
					return true;
				}
			}
			if (cursor != null) {
				cursor.close();
			}
			return false;
		} catch (Exception e) {
			e.printStackTrace();
		}
		return false;
	}

/**
	 * 创建桌面快捷方式
	 * 
	 * @param context
	 *            上下文对象
	 * @param title
	 *            标题
	 * @param intent
	 *            点击触发的Intent
	 * @param icon
	 *            图标
	 */
	public static void createShortCut(Context context, String title,
			Intent intent, Bitmap icon) {
		System.out.println(intent);
		try {
			Intent shortIntent = new Intent(Constant.INSTALL_SHORTCUT);
			shortIntent.putExtra("duplicate", false);
			shortIntent.putExtra(Intent.EXTRA_SHORTCUT_NAME, title);
			if (icon != null) {
				float size = context.getResources().getDimension(
						android.R.dimen.app_icon_size);
				shortIntent.putExtra(Intent.EXTRA_SHORTCUT_ICON,
						BitmapUtil.zoomBitmap(icon, size, size));
			}
			shortIntent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, intent);
			if (!isExistShortCut(context, title)) {
				context.sendBroadcast(shortIntent);
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

/**
	 * 根据权限获取其对应的系统类全路径(部分权限需要手机具有root权限,否则返回null)
	 * 
	 * @param context
	 *            上下文对象
	 * @param permission
	 *            权限
	 * @return 对应权限的系统类全路径
	 */
	public static String getAuthorityFromPermission(Context context,
			String permission) {
		List<PackageInfo> packageInfos = context.getPackageManager()
				.getInstalledPackages(PackageManager.GET_PROVIDERS);
		if (DataUtil.isEmpty(packageInfos)) {
			return null;
		}
		for (PackageInfo pack : packageInfos) {
			ProviderInfo[] providers = pack.providers;
			if (providers == null || providers.length <= 0) {
				continue;
			}
			for (ProviderInfo provider : providers) {
				if (permission.equals(provider.readPermission))
					return provider.authority;
				if (permission.equals(provider.writePermission))
					return provider.authority;
			}
		}
		return null;
	}

判断快捷方式是否存在以及创建

标签：android   快捷方式   

原文地址：http://blog.csdn.net/u010142437/article/details/40049539