dataBinding

app/src/main/java/io/legado/app/ui/main/MainActivity.kt

@@ -5,27 +5,24 @@ import android.os.Bundle
 import android.view.Menu
 import android.view.MenuItem
 import androidx.appcompat.app.ActionBarDrawerToggle
-import androidx.appcompat.app.AppCompatActivity
 import androidx.core.view.GravityCompat
 import androidx.drawerlayout.widget.DrawerLayout
 import androidx.lifecycle.ViewModelProvider
-import androidx.lifecycle.ViewModelProviders
 import com.google.android.material.navigation.NavigationView
 import io.legado.app.R
+import io.legado.app.base.BaseActivity
 import io.legado.app.ui.search.SearchActivity
-import io.legado.app.utils.longSnackbar
 import kotlinx.android.synthetic.main.activity_main.*
 import kotlinx.android.synthetic.main.app_bar_main.*
-import org.jetbrains.anko.startActivity
 
-class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelectedListener {
+class MainActivity : BaseActivity<MainDataBinding, MainViewModel>(), NavigationView.OnNavigationItemSelectedListener {
+    override val viewModel: MainViewModel
+        get() = ViewModelProvider.AndroidViewModelFactory.getInstance(application).create(MainViewModel::class.java)
+    override val layoutID: Int
+        get() = R.layout.activity_main
 
-
+    override fun onViewModelCreated(viewModel: MainViewModel, savedInstanceState: Bundle?) {
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_main)
         setSupportActionBar(toolbar)
-
         fab.setOnClickListener { startActivity(Intent(this, SearchActivity::class.java)) }
 
         val toggle = ActionBarDrawerToggle(
@@ -37,7 +34,6 @@ class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelecte
         toggle.syncState()
 
         nav_view.setNavigationItemSelectedListener(this)
-        val mainViewModel = ViewModelProviders.of(this).get(MainViewModel::class.java)
     }
 
     override fun onBackPressed() {
@@ -55,14 +51,8 @@ class MainActivity : AppCompatActivity(), NavigationView.OnNavigationItemSelecte
         return true
     }
 
-    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+    override fun onCompatOptionsItemSelected(item: MenuItem): Boolean {
-        // Handle action bar item clicks here. The action bar will
+        return super.onCompatOptionsItemSelected(item)
-        // automatically handle clicks on the Home/Up button, so long
-        // as you specify a parent activity in AndroidManifest.xml.
-        return when (item.itemId) {
-            R.id.action_settings -> true
-            else -> super.onOptionsItemSelected(item)
-        }
     }
 
     override fun onNavigationItemSelected(item: MenuItem): Boolean {

app/src/main/java/io/legado/app/ui/main/MainDataBinding.kt

@@ -0,0 +1,63 @@
+package io.legado.app.ui.main
+
+import android.view.View
+import androidx.databinding.ViewDataBinding
+
+class MainDataBinding(bindingComponent: Any?, root: View?, localFieldCount: Int) :
+    ViewDataBinding(bindingComponent, root, localFieldCount) {
+    /**
+     * Set a value value in the Binding class.
+     *
+     *
+     * Typically, the developer will be able to call the subclass's set method directly. For
+     * example, if there is a variable `x` in the Binding, a `setX` method
+     * will be generated. However, there are times when the specific subclass of ViewDataBinding
+     * is unknown, so the generated method cannot be discovered without reflection. The
+     * setVariable call allows the values of variables to be set without reflection.
+     *
+     * @param variableId the BR id of the variable to be set. For example, if the variable is
+     * `x`, then variableId will be `BR.x`.
+     * @param value The new value of the variable to be set.
+     * @return `true` if the variable is declared or used in the binding or
+     * `false` otherwise.
+     */
+    override fun setVariable(variableId: Int, value: Any?): Boolean {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+    /**
+     * @hide
+     */
+    override fun executeBindings() {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+    /**
+     * Called when an observed object changes. Sets the appropriate dirty flag if applicable.
+     * @param localFieldId The index into mLocalFieldObservers that this Object resides in.
+     * @param object The object that has changed.
+     * @param fieldId The BR ID of the field being changed or _all if
+     * no specific field is being notified.
+     * @return true if this change should cause a change to the UI.
+     * @hide
+     */
+    override fun onFieldChange(localFieldId: Int, `object`: Any?, fieldId: Int): Boolean {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+    /**
+     * Invalidates all binding expressions and requests a new rebind to refresh UI.
+     */
+    override fun invalidateAll() {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+    /**
+     * Returns whether the UI needs to be refresh to represent the current data.
+     *
+     * @return true if any field has changed and the binding should be evaluated.
+     */
+    override fun hasPendingBindings(): Boolean {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+}

app/src/main/java/io/legado/app/ui/main/MainModel.kt

@@ -1,5 +0,0 @@
-package io.legado.app.ui.main
-
-class MainModel {
-
-}

app/src/main/java/io/legado/app/ui/search/SearchActivity.kt

@@ -4,7 +4,6 @@ import android.os.Bundle
 import androidx.lifecycle.ViewModelProvider
 import io.legado.app.R
 import io.legado.app.base.BaseActivity
-import io.legado.app.search.SearchDataBinding
 
 class SearchActivity : BaseActivity<SearchDataBinding, SearchViewModel>() {
 
@@ -15,7 +14,6 @@ class SearchActivity : BaseActivity<SearchDataBinding, SearchViewModel>() {
         get() = R.layout.activity_search
 
     override fun onViewModelCreated(viewModel: SearchViewModel, savedInstanceState: Bundle?) {
-        dataBinding.searchViewModel = viewModel
 
 
     }

app/src/main/res/layout/activity_search.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <layout xmlns:app="http://schemas.android.com/apk/res-auto">
 
-    <data class=".search.SearchDataBinding">
+    <data class=".ui.search.SearchDataBinding">
         <variable name="SearchViewModel" type="io.legado.app.ui.search.SearchViewModel"/>
     </data>