81 lines
2.9 KiB
Markdown
81 lines
2.9 KiB
Markdown
Extras
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- adb
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- this `-k` flag means it will keep cache and app data so making it more safer
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- `adb shell`
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- `adb shell pm list packages` to list installed packages
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- adb uninstall <package_name> : to uninstall app
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- `adb shell pm uninstall -k --user 0 <application_name>` to safely install package and not uninstall system istead
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- `adb shell pm disable-user --user 0 com.miui.android.fashiongallery` to disable for user in case cant be deleted for user
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- video players
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https://pub.dev/packages/video_player_media_kit/example
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[media_kit_ex.zip](../../../_resources/media_kit_ex.zip)
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- pip (Picture in picture)
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https://pub.dev/packages/flutter_in_app_pip
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https://pub.dev/packages/pip_view (more scores than upper one)
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- audio play background
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https://pub.dev/packages/just_audio_background
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- some design kits like material design
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[designs ui.txt](../../../_resources/designs%20ui.txt)
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- file system
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- https://docs.flutter.dev/cookbook/persistence/reading-writing-files
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- in android for accessing external storage need a permission handler to grant storage like this
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https://pub.dev/packages/permission_handler
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```dart
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Future<void> storagePermissions() async {
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// var status = await Permission.storage.request();
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var status = await Permission.storage.request();
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// Permission.storage.request();
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// var status = await Permission.camera.request();
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if (status.isDenied) {
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print('storage permission denied');
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} else if (status.isGranted) {
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print('storage permission granted');
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}
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}
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```
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- also in `AndroidManifest.xml` , add following
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for below android 11
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```xml
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<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
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<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
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```
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for above andoid 11
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```xml
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<uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE"/>
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```
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- by default only photos and videos access is granted so for full grant add following in manifest
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`<application android:requestLegacyExternalStorage="true">`
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- forms
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https://docs.flutter.dev/cookbook/forms/text-input
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- fetch data from internet
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https://docs.flutter.dev/cookbook/networking/fetch-data
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- parsing html
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https://pub.dev/packages/html
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[parsing_with_new.dart](../../../_resources/parsing_with_new.dart)
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- toast in flutter
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https://docs.flutter.dev/cookbook/design/snackbars
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- dropdown menu
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https://api.flutter.dev/flutter/material/DropdownMenu-class.html
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- to add support for platforms use
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`flutter create --platforms=ios,android foo` foo here is path of directory containing pubspec.yml
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### Snipppets
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- popupmenu
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https://betterprogramming.pub/popup-menu-customization-in-flutter-aa8827f6ce39
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[popupmenu.dart](../../../_resources/popupmenu.dart)
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- contextmenu and rendering popmenu anywhere on screen
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[rightclick_simulation.dart](../../../_resources/rightclick_simulation.dart)
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