ViewBinding+DataBinding+MVVM.zip

package com.android.code; import androidx.appcompat.app.AppCompatActivity; import androidx.lifecycle.MutableLiveData; import androidx.lifecycle.ViewModelProvider; import android.os.Bundle; import android.view.LayoutInflater; import android.view.View; import com.android.code.databinding.ActivityHomeBinding; @SuppressWarnings("all") public class HomeActivity extends AppCompatActivity { public static final String TAG = "HelloCode"; ActivityHomeBinding binding; HomeActivityViewModel viewModel; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //通过DataBinding绑定布局 LayoutInflater inflater = getLayoutInflater(); binding = ActivityHomeBinding.inflate(inflater); View rootView = binding.getRoot(); setContentView(rootView); //通过ViewModel绑定数据 ViewModelProvider.AndroidViewModelFactory modelFactory = new ViewModelProvider.AndroidViewModelFactory(getApplication()); viewModel = new ViewModelProvider(this, modelFactory).get(HomeActivityViewModel.class); MutableLiveData<User> userLiveData = viewModel.userLiveData; userLiveData.observe(this, u -> { binding.setViewModel(viewModel); }); User user = new User(); userLiveData.setValue(user); //登录事件 binding.loginButton.setOnClickListener(view -> { String name = "#" + user.account + user.password + "#"; user.name = name; userLiveData.setValue(user); }); } }