android-studio

问题 Hi, I downloaded android studio and installed it downloaded API 30.0.1 but when I press Ctrl+Q to show inline docs, android studio try to fetch it from the network online I need it to work offline, I can not find the old option in the SDK manager Documentation for Android SDK And when I try to navigate to any class or method in android API navigate to source Ctrl + L-mouse-button android studio show me and when I press on download option in the top right corner it shows me And This is My SDK

问题 I have been through various answers with respect to the Sync project with Gradle files . But I couldn't find the major difference between Gradle Files and File System . For making/building a project, we need to sync the project with Gradle files. But does it need to be done when are we using the Sync using File system ? 回答1: sync project with gradle files updates the Android Studio project model to match the contents of the Gradle build file. There is no corresponding gradlew command because

问题 I am new in flutter, i am trying to localize languages, but getting error localizationsDelegates: <LocalizationsDelegate>[ GlobalMaterialLocalizations.delegate, GlobalWidgetsLocalizations.delegate, GlobalCupertinoLocalizations.delegate, EasyLocalizationDelegate( locale: data.locale ?? Locale('en', 'US'), path: 'resources/langs', ), ], supportedLocales: <Locale>[ const Locale("en", "US"), const Locale("ar", "AR"), ], getting error The method 'tr' was called on null. Receiver: null Tried

问题 Each time I start Android emulator in Android Studio emulator takes whole monitor. Can I somehow ask Android Studio scale emulator window by 50%? How to achieve that? 来源： https://stackoverflow.com/questions/59841981/show-emulator-window-in-smaller-size

问题 I am working on a simple contact app that stores the contact's name, email, and number. Language: Kotlin Architecture: MVVM But I am getting an error: lateinit property addContactViewModel has not been initialized Activity: class AddContact : AppCompatActivity() { private lateinit var addContactViewModel : AddContactViewModel companion object{ const val EXTRA_REPLY = "com.room.contacts.REPLY" } override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) val binding

问题 I am new in Android development. The following bloc is part of my APP's code, it does a simple job of select two columns of information from a local sqlite database's table, filter it by a scanned barcode and print the information retrieved plus the current date. My issue is the label feed control. Printer only execute Android APP's command when in ESC/POS mode, and doesn't stop the label paper in the right position for the next label to be printed. If anyone have ever made something similar

问题 I got an app that I'm perfectly able to run/debug while connected through USB from Android Studio on my Nexus 5 (Android 6) and LG Stylus 2 Plus (Android 8) phones, but it seems to fail when testing it on my Huawei P30 (Android 9). I'm able to see all 3 devices as available from Android Studios' "Device File Explorer" tab, and browse the files in it, so I know that it is able to connect just fine. Still, whenever I try to debug or run the app on my Huawei, the app is built, and as soon as it

问题 I want total internal space available in Phone but in this code getInternalFreeSpace returns correct value but getInternalStorageSpace doesn't return exact available space because of not counting ANDROID OS Size. Like my phone has 64GB but this code returns 51.6GB. The Only missing is 12.40 GB i.e. ANDROID OS size, 51.6GB + 12.40 = 64.00 fun getInternalStorageSpace(): Float{ val statsFs = StatFs(Environment.getDataDirectory().absolutePath) val sizeKB = statsFs.blockCountLong.toFloat() *

问题 I am following a youtube tutorial on how to make an android (probably not but I can hope for compatability) and iOS game using LibGDX and I have encountered a problem accessing a .tmx file from my res folder. tileMap = new TmxMapLoader().load("res/level1.tmx"); using the above code I figured that the application would find my .tmx file in my res folder but I must be giving it incorrect information on how to find a file I have open in another tab. here is a screenshot of the search method

问题 I am following a youtube tutorial on how to make an android (probably not but I can hope for compatability) and iOS game using LibGDX and I have encountered a problem accessing a .tmx file from my res folder. tileMap = new TmxMapLoader().load("res/level1.tmx"); using the above code I figured that the application would find my .tmx file in my res folder but I must be giving it incorrect information on how to find a file I have open in another tab. here is a screenshot of the search method