build.gradle

Any project in my android studio fails to build.The error message is as follows- Gradle sync failed: Could not run build action using Gradle distribution 'https://services.gradle.org/distributions/gradle-3.3-all.zip'. Consult IDE log for more details (Help | Show Log) Moreover i'm unable to make a new java class in android studio by File->new->Java class as no such option is available. I found some answers saying right click on java folder then clicking Mark Directory as -> SOurce root, even this option is not there . Moreover, for resolving the gradle issue, i found some answers saying click

i'm new to android. when i want to import a project into my android studio it complain about this error that : error package android.support.design.widget does not exist here is my code : public class CatalogActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_catalog); // Setup FAB to open EditorActivity FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab); fab.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Intent

I am getting these errors while building the project Failed to resolve: firebase-core Failed to resolve: multidex Failed to resolve: play-services-ads Failed to resolve: play-services-auth Failed to resolve: firebase-auth-license Failed to resolve: common Please check and let me know how this issue can be resolved? plugins { id 'com.onesignal.androidsdk.onesignal-gradle-plugin' version '0.8.1' } apply plugin: 'com.onesignal.androidsdk.onesignal-gradle-plugin' apply plugin: 'com.android.application' android { compileSdkVersion 26 buildToolsVersion '27.0.3' defaultConfig { applicationId "com