android-studio

问题 When I create a new project on android studio it is not giving any problem. However, looking at the activity_main.xml design it is shows me this: Rendering Problems Exception raised during rendering: action_bar. when I change sdk level 22 to 21 from the design page android studio shows nothing How can I solve this problem? This is not important problem but I wondered how can I fix this. 回答1: Yeah just had to adjust the Android level in the drop down. The design tab preview in API level 22 is

问题 plz help me out in this problem i tried many changes that were suggested in android studio basically the problem occurs in playAgain function it crashes but it shold clear the images im the imageviews main activity package com.example.xo; import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.GridLayout; import android.widget.ImageView; import android.widget.TextView; public class MainActivity

问题 I have a game screen in which I want to implement both the game itself and the control buttons. I divided this screen into two parts using TABLE. The control buttons and the game are implemented in different classes. Everything works correctly, except for displaying the game. How to make the game fit in the top window? Game Screen code public class GameScreen implements Screen { private Main parent; private Stage stage; public static SnakeControl snakeControl; private SpriteBatch batch;

问题 I have a weather app that is lacking changing icons/pictures depending on what the weather is, i have searched for hours but not found a solution. Im using openweathermap api, and would like to make a switch statement that changes my picture depending on what the weather id is. Here is my WeatherActivity.java . package com.inducesmile.androidweatherapp; import android.Manifest; import android.app.Service; import android.content.DialogInterface; import android.content.Intent; import android

问题 These two codes below are in the same MainActivity, in my Android Studio project 1) Recoding the audio from smartphone and playing it when pressing Play button: public class Main2Activity extends AppCompatActivity { //Declare variables Button btnRecord, btnStopRecord, btnPlay, btnStop; //String pathSave =""; private static String pathSave; MediaRecorder mediaRecorder; MediaPlayer mediaPlayer; final int REQUEST_PERMISSION_CODE=1000; @Override protected void onCreate(Bundle savedInstanceState)

问题 I have changed the gradle to something like this, which is in accordance with the documentation from Google Dev. then how do I know if my application supports 64 bits? I tried with Build -> Analyze APK, but I did not find the lib folder or file with the format .so. how to solved this? 回答1: The 64 bit change only affects apps that use "native code", ie code that compiles for the processor on the device, as opposed to being written in Java or Kotlin. This will only be true for you if: You have

问题 After updating SDK and installing build tools etc I'm not able to update the app. Although it works after uninstalling and re-installing, but that seems odd to me for the customers. I also checked AndroidManifest, everything is OKAY, VersionCode, VersionName and Package etc. Here are the logs: 02-17 12:29:51.593 920-1110/? I/InputDispatcher: Delivering touch to (8187): action: 0x1, toolType: 1 02-17 12:29:51.613 8187-8187/? I/Timeline: Timeline: Activity_launch_request id:com.android

问题 I have the following problem. I have two Android Studio in my system. One is the stable version and the other is the Canary version. When I updated them, unfortunately I messed up in the 'Complete Installation' screen. It asked for importing settings from custom location and I gave the wrong location. Initially by Canary version was pointing to C:\Users\myUserName.AndroidStudioPreview1.4 and Stable version was pointing to C:\Users\myUserName.AndroidStudio1.4 . But after the update both are

问题 I have an incorrect project structure. I need a top-level build-gradle, and a module on the same level that contains its own build.gradle . See picture of how it is organized now. What you see is almost two different levels merged into on.e The build.gradle here is the only one in the project. The one you see has the note that it is the top-level version. What is the correct way to straighten this out? Do I need to reimport or can I reorganize it? Other info, I have Gradle 2.10 installed.

问题 I'm getting a compile error after adding CardView and RecyclerView dependencies, I've checked every post but no one seems to solve this case. Error: Error:Execution failed for task ':app:processDebugManifest'. Manifest merger failed : Attribute meta-data#android.support.VERSION@value value=(25.3.1) from [com.android.support:appcompat-v7:25.3.1] AndroidManifest.xml:27:9-31 is also present at [com.android.support:cardview-v7:26.0.0-alpha1] AndroidManifest.xml:24:9-38 value=(26.0.0-alpha1).