public class MainActivity extends AppCompatActivity { Button button; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); RelativeLayout bgElement = /*(RelativeLayout)*/findViewById(R.id.activity_main); bgElement.s...
public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } EditText Username = (EditText) findViewById(R.id.EmployerNameEdit); String userName = Username.getText(...
import com.bumptech.glide.GlideApp; import com.bumptech.glide.request.RequestOptions; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ImageView imageView...
wget: 无法解析主机地址 “d
MainActivityBinding binding = DataBindingUtil.setContentView(this, R.layout.main_activity); //error in all the lines below saying cannot resolve button---(where --- denotes the specific terms of the button) binding.buttonDot.setOnClickListener(newView.OnClickListener(){ @Override...
setContentView(R.layout.activity_main); myWebView = (WebView) findViewById(R.id.webcontent); myWebView.getSettings().setJavaScriptEnabled(true); // enable javascript myWebView.loadUrl("file:///android_asset/Welcome.html"); BottomNavigationView navigation = (BottomNavigationView) findViewById(...
我真的复制粘贴到一个新的项目我所有的文件，现在它的工作：）
如果服务只是在本应用中使用,大可以去掉<intent-filter>属性。 服务搭建完成之后,我们就来关注一下调用者MainActivity,它很简单,只有两个按钮,一个是启动服务,另一个是停止服务,我们来看一下他们的点击事件: [java]view plain copy ...
String forecastUrl = "https://api.forecast.io/forecast/" + apiKey + "/" + latitude + "," + longitude; // Cannot resolve symbol OkHttpClient client = new OkHttpClient(); super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } // onCreate() } // MainActivity...
试试这个，更改此行Boolean[] itemChecked = new Boolean[items.length];至