Java – navigation drawer and Android data binding
Sorry, my English is not good I need to use the Android data binding processing button to click I'm in content_ main. XML contains data binding
<data> <variable name="temp" type="skubyev.anton.navigationdrawer.DataBindingClass.MainActivityData" /> <variable name="presenter" type="skubyev.anton.navigationdrawer.DataBindingClass.MainActivityPresenter"/> </data> .... <android.support.design.widget.FloatingActionButton android:onClick="@{() -> presenter.onShowData(temp)}"
But mainactivity java
@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ContentMainBinding binding = DataBindingUtil.setContentView(this,R.layout.content_main); MainActivityPresenter mainActivityPresenter = new MainActivityPresenter(this); MainActivityData mainActivityData = new MainActivityData("Иди нахуй"); binding.setTemp(mainActivityData); binding.setPresenter(mainActivityPresenter); setContentView(R.layout.activity_main); .... @Override public void showData(MainActivityData mainActivityData) { String textForRecognition = mainActivityData.getTextForRecognition(); Toast.makeText(this,textForRecognition,Toast.LENGTH_SHORT).show(); }
I want to run showdata, and then click content_ Floatingactionbutton in main But the showdata - class is a function in mainactivity So, as far as I know, when you click content_ main. The button on the XML is not called What should I do? Create a separate class contentactivity Java whith function showdata
I just want mainactivity Java is responsible for processing content_ Click on main How to realize it correctly?
Solution
Add this code in the activity for data binding
@Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ActivityMainBinding activityMainBinding = DataBindingUtil.setContentView(this,R.layout.activity_main); Mainviewmodel mainviewmodel = viewmodelProviders.of(this).get(Mainviewmodel.class); activityMainBinding.setHandlers(handlers); activityMainBinding.setviewmodel(mainviewmodel); Toolbar toolbar = findViewById(R.id.toolbar); toolbar.setTitle("HOME"); DrawerLayout drawer = activityMainBinding.drawerLayout; ActionBarDrawerToggle toggle = new ActionBarDrawerToggle( this,drawer,toolbar,R.string.navigation_drawer_open,R.string.navigation_drawer_close); drawer.addDrawerListener(toggle); toggle.syncState(); NavigationView navigationView = activityMainBinding.navView; NavHeaderMainBinding navHeaderMainBinding = DataBindingUtil.inflate(getLayoutInflater(),R.layout.nav_header_main,activityMainBinding.navView,true); navHeaderMainBinding.navEmail.setText(session.getFacilityEmail()); navHeaderMainBinding.navName.setText(session.getFacilityname()); navigationView.setNavigationItemSelectedListener(this); }
In nav_ hader_ main. You must be like this in XML
<?xml version="1.0" encoding="utf-8"?> <layout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto"> <data> <variable name="navigationheader" type="com.nudge.gurukul.view.activities.MainActivity" /> <import type="android.view.View" /> </data> <LinearLayout android:layout_width="match_parent" android:layout_height="@dimen/nav_header_height" android:background="@drawable/side_nav_bar" android:gravity="bottom" android:orientation="vertical" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingBottom="@dimen/activity_vertical_margin" android:theme="@style/ThemeOverlay.AppCompat.Dark"> <ImageView android:id="@+id/imageView" android:layout_width="wrap_content" android:layout_height="wrap_content" android:contentDescription="@string/nav_header_desc" android:paddingTop="@dimen/nav_header_vertical_spacing" app:srcCompat="@mipmap/app_logo_round" /> <TextView android:id="@+id/nav_name" android:layout_width="match_parent" android:layout_height="wrap_content" android:paddingTop="@dimen/nav_header_vertical_spacing" android:textAppearance="@style/TextAppearance.AppCompat.Body1" /> <TextView android:id="@+id/nav_email" android:layout_width="wrap_content" android:layout_height="wrap_content" /> </LinearLayout>
This should be your exception, where you can bind text and images to the navigation drawer