android-studio

问题 I am trying to install Cordova on windows 7. I am following this tutorial : https://www.tutorialspoint.com/cordova/cordova_first_application.htm while I run cordova requirements , it says android target is not intalled and set the ANDROID_HOME environment variable I:\CordovaProject\hello>cordova requirements Requirements check results for android: Java JDK: installed 1.8.0 Android SDK: installed true Android target: not installed Android SDK not found. Make sure that it is installed. If it is

问题 I am trying to run emulator on my android studio 8.14. When I click run it says it is already running. Any help would be appreciated. 回答1: You don't have to completely delete the emulator when this happens. The files to delete should have a ".lock" extension: You don't need to touch the configuration files. You can easily find the files location by clicking on the arrow under the Actions tab (in the ADB manager), and selecting "Show on Disk". 回答2: This worked for me: Go to AVD Manager and

问题 SO i have to classes CollegeSearch.kt and CollegeSwitcher.kt The first one make use of a recyclerview to put up a list for people to use and select a country. When they tap on it, I want the layout to switch by switching the class. here is the CollegeSearch.kt class: class CollegeSearch : AppCompatActivity() { var college_DU:MutableList<String> = ArrayList() var displayList:MutableList<String> = ArrayList() override fun onCreate(savedInstanceState: Bundle1?) { super.onCreate

问题 As shown in the figure, when I typing dot to prompt the code, it show messy code. Anyone know what happend? 回答1: I change font resolve my problem 来源： https://stackoverflow.com/questions/62707758/android-studio-code-editor-occur-unreadable-code-unexpected

问题 As shown in the figure, when I typing dot to prompt the code, it show messy code. Anyone know what happend? 回答1: I change font resolve my problem 来源： https://stackoverflow.com/questions/62707758/android-studio-code-editor-occur-unreadable-code-unexpected

问题 Im trying to call a second activity from my Main Activity, using this code Intent goToOrder = new Intent(ListOfOrdersActivity.this, OrderSummaryActivity.class); startActivity(goToOrder); Being my OrderSummaryActivity: public class OrderSummaryActivity extends ActionBarActivity { @Override public void onCreate(Bundle savedInstanceState, PersistableBundle persistentState) { super.onCreate(savedInstanceState, persistentState); setContentView(R.layout.order_summary); } } But the layout wont show

问题 Im trying to call a second activity from my Main Activity, using this code Intent goToOrder = new Intent(ListOfOrdersActivity.this, OrderSummaryActivity.class); startActivity(goToOrder); Being my OrderSummaryActivity: public class OrderSummaryActivity extends ActionBarActivity { @Override public void onCreate(Bundle savedInstanceState, PersistableBundle persistentState) { super.onCreate(savedInstanceState, persistentState); setContentView(R.layout.order_summary); } } But the layout wont show

问题 I am trying to create drawable-hdpi drawable-xxhdpi drawable-ldpi folders for different screens but unable to create as it says the folders already exist but i can't see them also when trying to create drawable-xxhdpi folder on click nothing happens no folder's are create Screenshots below Can't see any drawable-xhdpi folder although it says it exist Here on clicking OK nothing happens no folder is created 回答1: Yes it already exist. you have to change the project structure Click on top left

问题 I am trying to create drawable-hdpi drawable-xxhdpi drawable-ldpi folders for different screens but unable to create as it says the folders already exist but i can't see them also when trying to create drawable-xxhdpi folder on click nothing happens no folder's are create Screenshots below Can't see any drawable-xhdpi folder although it says it exist Here on clicking OK nothing happens no folder is created 回答1: Yes it already exist. you have to change the project structure Click on top left

问题 My Main Activity. This is where all my coding is done. FrameLayout simpleFrameLayout; TabLayout tabLayout; VideoView video; Button btn_show; InterstitialAd interstitialAd; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); btn_show = (Button) findViewById(R.id.bt_show); interstitialAd = new InterstitialAd(this); interstitialAd.setAdUnitId("ca-app-pub-8708219564656739/2401085524"); interstitialAd.loadAd(new