I checked that I had already downloaded the required sdk files. For me the solution was to "sync project with Gradle Files".
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Thank you for your interest in this question. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site the association bonus does not count. Would you like to answer one of these unanswered questions instead? Android Studio: But I can't find any way of doing that. This dialog opens up when i click on "run": This is the "project structure" dialog: What should I do now? Mark Amery Then enter the SDK path like " I just restarted my Android Studio , then it rebuilt the project, the error disappeared. I am seeing this problem still in Android Studio 3.
Here is a workaround that seems to fix it: What a shit hole of a IDE this is. Tell me to select Android SDK but no option given. Just for this I have to visit SO. I go to build. Then it worked. Sopheak K. Sopheak Heh, worked for me. I had to change the file, save, change it back, save, sync.
I went to the Gradle console, clicked Sync, and it worked. Build does not necessarily sync the project files. This is the catch. So in this case, sync has to precede build. On Android Studio 3. Now I only wonder how many things I broke until I found this answer. For us the solution was a bit different: Remove the project from the AS project selector window. Andras Kloczl Andras Kloczl 6, 1 14 Great solution, the only thing that worked with 3. Unbelievable, but it's the only thing that worked with 3. I wasted a few hours trying out the other solutions, but finally this worked.
Thanks for a great answer! Android Studio 3. This is soooo annoying. Or you can do this by shortcut key: Hasib Akter Hasib Akter 4, 1 5 This works perfectly, thanks!!!
Update your tools with the SDK Manager
In AS 3. Click this icon to sync gradle or edit any of your module gradle and then sync. Thinsky Thinsky 3, 2 8 Nilesh Rathod Amirouche Zeggagh Amirouche Zeggagh 1, 1 6 Rohit Sharma 2 8 Nadeem Bhat Nadeem Bhat 3 8. All I had to do was open it and sync. This should be voted the correct answer by now.
Now on Android Studio 3 and above, you can try to sync project with gradle like: MohammadL MohammadL 8 This is the Most Easiest Way to Fix this issue: Add a comment line to the gradle file It will then ask you to Sync. Click ' Sync Now ' That's it! Your Done. Dmitry Zaytsev 17k 12 77 Arun Joshla Arun Joshla 3 8.
Android IDE and SDK
The comment from Nisarg helped: Thank you. I solve this issue by you! Daniel Shatz 3 Ghulam Rasool Ghulam Rasool 2, 1 14 I've been looking for this shortcut from ages, thanks mate. You are welcome! Press the first refresh button on the gradle vertical tab in Android Studio on the right. HimalayanCoder HimalayanCoder 6, 4 38 Worked for me too. Follow these steps: After that also ensure the path is automatically updated after a prompt in your project local. If not, do it manually. Hope this helps. I went to the "edit" option on the path then clicked next without changing anything.
The already installed SDK "installed" which took a couple of minutes. Android Studio 2. The location was correct in my case. Nick Cardoso I'm having similar problems with 1. I could solve it now permanently in a similar way. I upgraded my koltin version from 1. And in my AS I have the currently latest kotlin plugin, which is 1. I don't know how And why this works, but.
1. Download the Android SDK
Regular sync project didn't work. But changing Kotlin version to any different and vice versa with the ongoing sync does the job. My setup was: Expand the " com. Open the " MainActivity. Do not touch the rest of the codes. You shall see the message "Hello, from my Java code! An Activity , which usually has a screen, is a single, focused thing that the user can interact with the application hence called activity. The MainActivity extends the android.
Activity class, and overrides the onCreate method. The onCreate is a call-back method, which is called back by the Android system when the activity is launched. A View is a UI component or widget, or control. We construct a TextView which is a subclass View for showing a text message , and set its text. We then set the content-view of the MainActivity screen to this TextView. Each Android application has a manifest file named AndroidManifest. It describes the Android app. For example, our " Hello Android " application, with an activity MainActivity , has the following manifest generated automatically by the Android Studio when the project was built:.
Instead of writing Java codes to create the user interface UI as in the above example using a TextView component. It is more flexible and therefore recommended to layout your UI components via a descriptive XML layout file. In this way, you don't need to hardcode the views, and you can easily modify the look and feel of the application by editing the XML markups.
The Java codes can therefore focus on the business logic. Select "Phone and Tablet". Expand the "app", "res resource ", "layout" node. Android Studio provides two views for this XML file: Select the "Text" mode and study the codes:. It declares a TextView text field that holds a text string " Hello World! Instead of hardcoding the Hello-World string directly inside the TextView as in the above XML file , we shall use a string reference similar to a variable for better flexibility. Next, check the " MainActitivy. The " MainActivity " sets its content-view to " R.
Run the application. You shall see the new string " Hello, from XML! Continue with the "Android Developer Guides" https: Latest version tested: Android 7 Nougat and 8 Oreo , Android Studio 3. March, Introduction Android is an Operating System for mobile devices developed by Google, which is built upon Linux kernel. Step 0: Read " How to install JDK ". Ensure that your JDK is at or above 1. You can check your JDK version with command " javac -version ".
The installation and many operations take a LONG time to complete. Do NOT stare at your screen or at the ceiling.
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Browse through the "Android Developers" https: There are three main menus: For beginners, browse through the "Guides". We need to install: Step 1: Goto "Android Developer" https: You need about GB of free disk space! Take note and take photo on the installation locations of "Android Studio" by default " C: Launch the downloaded ".
Drag and drop Android Studio into the "Applications" folder. Then run again.
Error – Please select Android SDK; App edit configuration error: Android Studio – Ready Android
Step 2: In Windows, "AppData" is a hidden directory. Under "SDK Platforms": Under "SDK Platforms" tab: Be Patient!!! Hello-World Step 0: Read Goto "Android Guides" https: Choose "Start a new Android Studio Project". In "Target Android Devices: Android 4. Be patient! It could take a while to set up your first app. Watch the "progress bar" at the bottom status bar. Once the progress bar indicates completion, a hello-world app is created by default. Click "Create Virtual Device".
In "Select Hardware: In "System Image: In "AVD Name", enter "2. This is machine dependent.