public static boolean isAddShortCut(Context context) {
        boolean isInstallShortcut = false;
        final ContentResolver cr = context.getContentResolver();
        String AUTHORITY = getAuthorityFromPermission(context, "com.android.launcher.permission.READ_SETTINGS");
        final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/favorites?notify=true");

        Cursor c = cr.query(CONTENT_URI, new String[] {"title"}, "title=?", new String[] {context.getString(R.string.app_name)}, null);

        if (c != null && c.getCount() > 0) {
            isInstallShortcut = true;
        }

        if (c != null) {
            c.close();
        }
        return isInstallShortcut;
    }

    public static String getAuthorityFromPermission(Context context, String permission) {
        if (TextUtils.isEmpty(permission)) {
            return null;
        }
        List<PackageInfo> packInfos = context.getPackageManager().getInstalledPackages(PackageManager.GET_PROVIDERS);
        if (packInfos == null) {
            return null;
        }
        for (PackageInfo info : packInfos) {
            ProviderInfo[] providers = info.providers;
            if (providers != null) {
                for (ProviderInfo provider : providers) {
                    if (permission.equals(provider.readPermission) || permission.equals(provider.writePermission)) {
                        return provider.authority;
                    }
                }
            }
        }
        return null;
    }

標簽：

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