Daniel Kao plateaukao
plateaukao
/ flutter_load_image_slow.dart
Last active
July 29, 2019 13:03
flutter_load_image_slow.dart
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| @override | |
| void initState() { | |
| super.initState(); | |
| downloadWhenNecessary(); | |
| } | |
| downloadWhenNecessary({Function action}) { | |
| _downloadImage().then((bytes) async { | |
| if(!mounted) return; |
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| @override | |
| void initState() { | |
| super.initState(); | |
| downloadWhenNecessary(); | |
| } | |
| downloadWhenNecessary({Function action}) { | |
| _downloadImage().then((bytes) async { | |
| if(!mounted) return; |
plateaukao
/ gradle.logcat
Last active
December 3, 2019 07:40
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| Execution failed for task ':mylibrary:javadocRelease'. | |
| > Javadoc generation failed. Generated Javadoc options file |
plateaukao
/ javadoc_skip_lint_error_build.gradle
Created
December 3, 2019 07:42
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| allprojects { | |
| tasks.withType(Javadoc) { | |
| options.addStringOption('Xdoclint:none', '-quiet') | |
| options.addStringOption('encoding', 'UTF-8') | |
| } | |
| } |
plateaukao
/ googlesheet_query.js
Created
March 8, 2020 08:38
google app script: query data from googl sheet
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| function doGet(request) { | |
| //var spreadsheetId = '14UvTqbN3jxOnXj59HilYllfjetV6eGv6WevQsw---axx'; | |
| //var rangeName = 'A2:D'; | |
| var spreadsheetId = request.parameter.id; | |
| var rangeName = request.parameter.range; | |
| var values = Sheets.Spreadsheets.Values.get(spreadsheetId, rangeName).values; | |
| if (!values) { | |
| Logger.log('No data found.'); | |
| } else { |
plateaukao
/ google_webapp_dart_query.dart
Created
March 8, 2020 08:53
query google web app url and parse data
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| class NetworkClient { | |
| Future<List<VocabData>> getVocabs(VocabConfiguration vocabConfig) async { | |
| final url = "https://script.google.com/macros/s/script_id_xxxxxxxxxx/exec"; | |
| final response = await Dio().get( | |
| url, | |
| queryParameters: { | |
| "id": vocabConfig.sheetId, | |
| "range": vocabConfig.rangeName | |
| } |
plateaukao
/ flutter_listview_pageview.dart
Created
March 8, 2020 09:02
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| Widget buildVocabList() => | |
| FutureBuilder<List<VocabData>>( | |
| future: getVocabDataList(), | |
| builder: (BuildContext context, AsyncSnapshot snapshot) { | |
| if (snapshot.connectionState != ConnectionState.done) { | |
| return Container(); | |
| } | |
| final vocabList = snapshot.data; | |
| return (isListViewMode) ? buildListView(vocabList) : buildPageView(vocabList); | |
| }, |
plateaukao
/ flutter_db_init.dart
Created
March 11, 2020 15:06
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| class GrammarManager { | |
| static const DB_NAME = "grammar.db"; | |
| Database _grammarDb; | |
| var _path; | |
| Future<bool> isDBExisting() async { | |
| final _databasesPath = await getDatabasesPath(); | |
| if (!Directory(_databasesPath).existsSync()) { | |
| Directory(_databasesPath).createSync(); |
plateaukao
/ flutter_grammar_item.dart
Created
March 11, 2020 15:11
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| class GrammarItem { | |
| String id; | |
| String name; | |
| String category; | |
| String description; | |
| String structure; | |
| GrammarLevel level; | |
| GrammarFrequency frequency; | |
| GrammarItem.fromMap(Map<String, dynamic> map) { |
plateaukao
/ flutter_fetch_grammar.dart
Created
March 11, 2020 15:16
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| Future<List<GrammarItem>> getGrammarItemList({String categoryName = "", GrammarLevel grammarLevel = GrammarLevel.ALL}) async { | |
| await initDB(); | |
| var query = """ | |
| select grammar.grammar_id, grammar.grammar_name, grammar.grammar_category, grammar.grammar_level, grammar_desc.desc_en, grammar_structure.structure_en | |
| from grammar | |
| inner join grammar_desc on grammar.grammar_id = grammar_desc.grammar_id | |
| inner join grammar_structure on grammar.grammar_id = grammar_structure.grammar_id | |
| """; |