mirror of
https://github.com/nisrulz/flutter-examples.git
synced 2025-05-17 21:15:54 +08:00
added: implemented shared_preferences plugin in persist_key_value example
This commit is contained in:
Nishant Srivastava
167
persist_key_value/.idea/workspace.xml
generated
167
persist_key_value/.idea/workspace.xml
generated
@ -2,13 +2,9 @@
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<project version="4">
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<component name="ChangeListManager">
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<list default="true" id="c53a8206-78cc-43cb-ac2b-1cf6a52e2018" name="Default Changelist" comment="">
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<change beforePath="$PROJECT_DIR$/.idea/libraries/Dart_Packages.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/libraries/Dart_Packages.xml" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/.idea/libraries/Flutter_Plugins.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/libraries/Flutter_Plugins.xml" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/ios/Flutter/Debug.xcconfig" beforeDir="false" afterPath="$PROJECT_DIR$/ios/Flutter/Debug.xcconfig" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/ios/Flutter/Release.xcconfig" beforeDir="false" afterPath="$PROJECT_DIR$/ios/Flutter/Release.xcconfig" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/lib/MyCounter.dart" beforeDir="false" />
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<change beforePath="$PROJECT_DIR$/lib/main.dart" beforeDir="false" afterPath="$PROJECT_DIR$/lib/main.dart" afterDir="false" />
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<change beforePath="$PROJECT_DIR$/pubspec.yaml" beforeDir="false" afterPath="$PROJECT_DIR$/pubspec.yaml" afterDir="false" />
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</list>
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<ignored path="$PROJECT_DIR$/out/" />
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<option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
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@ -27,8 +23,8 @@
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</usages-collector>
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<usages-collector id="statistics.file.extensions.open">
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<counts>
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<entry key="dart" value="2" />
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<entry key="gradle" value="1" />
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<entry key="dart" value="4" />
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<entry key="gradle" value="3" />
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<entry key="iml" value="1" />
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<entry key="lock" value="1" />
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<entry key="packages" value="1" />
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@ -37,8 +33,8 @@
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</usages-collector>
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<usages-collector id="statistics.file.types.open">
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<counts>
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<entry key="Dart" value="2" />
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<entry key="Groovy" value="1" />
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<entry key="Dart" value="4" />
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<entry key="Groovy" value="3" />
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<entry key="IDEA_MODULE" value="1" />
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<entry key="PLAIN_TEXT" value="2" />
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<entry key="YAML" value="1" />
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@ -46,13 +42,15 @@
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</usages-collector>
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<usages-collector id="statistics.file.extensions.edit">
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<counts>
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<entry key="dart" value="415" />
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<entry key="dart" value="1347" />
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<entry key="gradle" value="4" />
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<entry key="yaml" value="10" />
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</counts>
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</usages-collector>
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<usages-collector id="statistics.file.types.edit">
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<counts>
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<entry key="Dart" value="415" />
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<entry key="Dart" value="1347" />
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<entry key="Groovy" value="4" />
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<entry key="YAML" value="10" />
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</counts>
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</usages-collector>
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@ -63,8 +61,8 @@
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<file pinned="false" current-in-tab="true">
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<entry file="file://$PROJECT_DIR$/lib/main.dart">
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<provider selected="true" editor-type-id="text-editor">
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<state relative-caret-position="300">
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<caret line="20" column="23" lean-forward="true" selection-start-line="20" selection-start-column="23" selection-end-line="20" selection-end-column="23" />
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<state relative-caret-position="323">
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<caret line="37" column="41" lean-forward="true" selection-start-line="37" selection-start-column="41" selection-end-line="37" selection-end-column="41" />
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<folding>
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<element signature="e#0#39#0" expanded="true" />
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</folding>
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@ -72,17 +70,15 @@
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</provider>
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</entry>
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</file>
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<file pinned="false" current-in-tab="false">
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<entry file="file://$PROJECT_DIR$/pubspec.yaml">
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<provider selected="true" editor-type-id="text-editor">
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<state relative-caret-position="150">
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<caret line="10" lean-forward="true" selection-start-line="10" selection-end-line="10" />
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</state>
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</provider>
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</entry>
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</file>
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</leaf>
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</component>
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<component name="FileTemplateManagerImpl">
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<option name="RECENT_TEMPLATES">
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<list>
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<option value="Dart File" />
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</list>
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</option>
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</component>
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<component name="Git.Settings">
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<option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$/.." />
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</component>
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@ -91,6 +87,8 @@
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<list>
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<option value="$PROJECT_DIR$/test/widget_test.dart" />
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<option value="$PROJECT_DIR$/pubspec.yaml" />
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<option value="$PROJECT_DIR$/android/app/build.gradle" />
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<option value="$PROJECT_DIR$/lib/MyCounter.dart" />
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<option value="$PROJECT_DIR$/lib/main.dart" />
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</list>
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</option>
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@ -100,7 +98,9 @@
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<option name="width" value="1440" />
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<option name="height" value="811" />
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</component>
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<component name="ProjectLevelVcsManager" settingsEditedManually="true" />
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<component name="ProjectLevelVcsManager" settingsEditedManually="true">
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<ConfirmationsSetting value="2" id="Add" />
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</component>
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<component name="ProjectView">
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<navigator proportions="" version="1">
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<foldersAlwaysOnTop value="true" />
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@ -120,6 +120,17 @@
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<item name="persist_key_value" type="462c0819:PsiDirectoryNode" />
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<item name="android" type="462c0819:PsiDirectoryNode" />
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</path>
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<path>
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<item name="persist_key_value" type="b2602c69:ProjectViewProjectNode" />
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<item name="persist_key_value" type="462c0819:PsiDirectoryNode" />
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<item name="android" type="462c0819:PsiDirectoryNode" />
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<item name="app" type="462c0819:PsiDirectoryNode" />
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</path>
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<path>
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<item name="persist_key_value" type="b2602c69:ProjectViewProjectNode" />
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<item name="persist_key_value" type="462c0819:PsiDirectoryNode" />
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<item name="lib" type="462c0819:PsiDirectoryNode" />
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</path>
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<path>
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<item name="persist_key_value" type="b2602c69:ProjectViewProjectNode" />
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<item name="persist_key_value" type="462c0819:PsiDirectoryNode" />
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@ -133,9 +144,12 @@
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</panes>
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</component>
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<component name="PropertiesComponent">
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<property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1533592102787" />
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<property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1533596990709" />
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<property name="dart.analysis.tool.window.force.activate" value="false" />
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<property name="io.flutter.reload.alreadyRun" value="true" />
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<property name="project.structure.last.edited" value="Modules" />
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<property name="project.structure.proportion" value="0.0" />
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<property name="project.structure.side.proportion" value="0.0" />
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<property name="show.migrate.to.gradle.popup" value="false" />
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</component>
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<component name="RunDashboard">
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@ -165,6 +179,7 @@
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</component>
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<component name="ToolWindowManager">
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<frame x="0" y="23" width="1440" height="804" extended-state="6" />
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<editor active="true" />
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<layout>
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<window_info id="Designer" />
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<window_info id="Build Variants" side_tool="true" />
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@ -221,17 +236,42 @@
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<entry file="file://$PROJECT_DIR$/pubspec.yaml">
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<provider selected="true" editor-type-id="text-editor">
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<state relative-caret-position="150">
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<caret line="10" lean-forward="true" selection-start-line="10" selection-end-line="10" />
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<caret line="10" selection-start-line="10" selection-end-line="10" />
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</state>
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</provider>
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</entry>
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<entry file="file://$PROJECT_DIR$/android/app/build.gradle">
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<provider selected="true" editor-type-id="text-editor">
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<state relative-caret-position="234">
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<caret line="27" lean-forward="true" selection-start-line="27" selection-end-line="27" />
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</state>
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</provider>
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</entry>
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<entry file="file://$PROJECT_DIR$/android/build.gradle">
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<provider selected="true" editor-type-id="text-editor" />
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<provider selected="true" editor-type-id="text-editor">
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<state relative-caret-position="180">
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<caret line="12" selection-start-line="12" selection-end-line="12" />
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</state>
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</provider>
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</entry>
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<entry file="file://$USER_HOME$/sdks/flutter_sdk/.pub-cache/hosted/pub.dartlang.org/shared_preferences-0.4.2/lib/shared_preferences.dart">
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<provider selected="true" editor-type-id="text-editor">
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<state relative-caret-position="151">
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<caret line="88" column="15" selection-start-line="88" selection-start-column="15" selection-end-line="88" selection-end-column="15" />
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</state>
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</provider>
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</entry>
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<entry file="file://$PROJECT_DIR$/lib/MyCounter.dart">
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<provider selected="true" editor-type-id="text-editor">
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<state relative-caret-position="165">
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<caret line="11" selection-start-line="11" selection-end-line="11" />
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</state>
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</provider>
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</entry>
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<entry file="file://$PROJECT_DIR$/lib/main.dart">
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<provider selected="true" editor-type-id="text-editor">
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<state relative-caret-position="300">
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<caret line="20" column="23" lean-forward="true" selection-start-line="20" selection-start-column="23" selection-end-line="20" selection-end-column="23" />
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<state relative-caret-position="323">
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<caret line="37" column="41" lean-forward="true" selection-start-line="37" selection-start-column="41" selection-end-line="37" selection-end-column="41" />
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<folding>
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<element signature="e#0#39#0" expanded="true" />
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</folding>
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@ -241,6 +281,65 @@
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</component>
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<component name="masterDetails">
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<states>
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<state key="ArtifactsStructureConfigurable.UI">
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<settings>
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<artifact-editor />
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<splitter-proportions>
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<option name="proportions">
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<list>
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<option value="0.2" />
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</list>
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</option>
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</splitter-proportions>
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</settings>
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</state>
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<state key="FacetStructureConfigurable.UI">
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<settings>
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<last-edited>Android</last-edited>
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<splitter-proportions>
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<option name="proportions">
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<list>
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<option value="0.2" />
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</list>
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</option>
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</splitter-proportions>
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</settings>
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</state>
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<state key="GlobalLibrariesConfigurable.UI">
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<settings>
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<splitter-proportions>
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<option name="proportions">
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<list>
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<option value="0.2" />
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</list>
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</option>
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</splitter-proportions>
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</settings>
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</state>
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<state key="JdkListConfigurable.UI">
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<settings>
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<last-edited>1.8</last-edited>
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<splitter-proportions>
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<option name="proportions">
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<list>
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<option value="0.2" />
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</list>
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</option>
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</splitter-proportions>
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</settings>
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</state>
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<state key="ModuleStructureConfigurable.UI">
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<settings>
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<last-edited>persist_key_value_android</last-edited>
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<splitter-proportions>
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<option name="proportions">
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<list>
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<option value="0.2" />
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</list>
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</option>
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</splitter-proportions>
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</settings>
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</state>
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<state key="ProjectJDKs.UI">
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<settings>
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<splitter-proportions>
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@ -252,6 +351,18 @@
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</splitter-proportions>
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</settings>
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</state>
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<state key="ProjectLibrariesConfigurable.UI">
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<settings>
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<last-edited>Dart Packages</last-edited>
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<splitter-proportions>
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<option name="proportions">
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<list>
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<option value="0.2" />
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</list>
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</option>
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</splitter-proportions>
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</settings>
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</state>
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</states>
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</component>
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</project>
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@ -1,25 +1,101 @@
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import 'package:flutter/material.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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void main() {
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runApp(new MaterialApp(
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// Disable the debug flag
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debugShowCheckedModeBanner: false,
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// Home
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home: new MyHome()));
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}
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class MyHome extends StatefulWidget {
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@override
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MyHomeState createState() {
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return new MyHomeState();
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}
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}
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class MyHomeState extends State<MyHome> {
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var nameOfApp = "Persist Key Value";
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runApp(new MaterialApp(
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// Title
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title: nameOfApp,
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// Home
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home: new Scaffold(
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// Appbar
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appBar: new AppBar(
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// Title
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title: new Text(nameOfApp),
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),
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// Body
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body: new Container(
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// Center the content
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child: new Center(
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// Add Text
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child: new Text("Hello World!"),
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var counter = 0;
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// define a key to use later
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var key = "counter";
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@override
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void initState() {
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super.initState();
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_loadSavedData();
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}
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_loadSavedData() async {
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// Get shared preference instance
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SharedPreferences prefs = await SharedPreferences.getInstance();
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setState(() {
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// Get value
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counter = (prefs.getInt(key) ?? 0);
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});
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}
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_onIncrementHit() async {
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// Get shared preference instance
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SharedPreferences prefs = await SharedPreferences.getInstance();
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setState(() {
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// Get value
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counter = (prefs.getInt(key) ?? 0) + 1;
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});
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// Save Value
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prefs.setInt(key, counter);
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}
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_onDecrementHit() async {
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// Get shared preference instance
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SharedPreferences prefs = await SharedPreferences.getInstance();
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setState(() {
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// Get value
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counter = (prefs.getInt(key) ?? 0) - 1;
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});
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// Save Value
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prefs.setInt(key, counter);
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}
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@override
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Widget build(BuildContext context) {
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return new Scaffold(
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// Appbar
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appBar: new AppBar(
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// Title
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title: new Text(nameOfApp),
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),
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// Body
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body: new Container(
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// Center the content
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child: new Center(
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child: new Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: <Widget>[
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new Text(
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'$counter',
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textScaleFactor: 10.0,
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),
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new Padding(padding: new EdgeInsets.all(10.0)),
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new RaisedButton(
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onPressed: _onIncrementHit,
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child: new Text('Increment Counter')),
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new Padding(padding: new EdgeInsets.all(10.0)),
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new RaisedButton(
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onPressed: _onDecrementHit,
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child: new Text('Decrement Counter')),
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],
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),
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),
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)));
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),
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);
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}
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}
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