support databinding

donniesky · Jul 31, 2017 · 8b968df · 8b968df
1 parent e7083ae
commit 8b968df
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Showing 22 changed files with 741 additions and 10 deletions.
diff --git a/app/build.gradle b/app/build.gradle
@@ -14,6 +14,10 @@ android {
         preDexLibraries = preDexEnabled && !isCi
     }
 
+    dataBinding {
+        enabled = true
+    }
+
     lintOptions {
         abortOnError false
     }

diff --git a/app/src/main/java/me/donnie/app/MainActivity.java b/app/src/main/java/me/donnie/app/MainActivity.java
@@ -1,5 +1,6 @@
 package me.donnie.app;
 
+import android.databinding.ObservableArrayList;
 import android.os.Bundle;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.LinearLayoutManager;
@@ -10,23 +11,30 @@
 import java.util.ArrayList;
 import java.util.List;
 
-import me.donnie.adapter.BaseAdapter;
 import me.donnie.adapter.BaseViewHolder;
+import me.donnie.adapter.databinding.BaseBindingAdapter;
 import me.donnie.adapter.wrapper.Walle;
+import me.donnie.app.databinding.StringViewModel;
+import me.donnie.app.databinding.TextMultiDbAdapter;
 
 public class MainActivity extends AppCompatActivity implements Walle.OnLoadMoreListener {
 
     private RecyclerView rv;
 
-    private Test2Adapter adapter;
+    //private Test2Adapter adapter;
+
+    //private TestBindingAdapter mAdapter;
+
+    private TextMultiDbAdapter mAdapter;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
         rv = (RecyclerView) findViewById(R.id.rv);
         rv.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false));
-        adapter = new Test2Adapter();
+        //adapter = new Test2Adapter();
+        mAdapter = new TextMultiDbAdapter();
 
         Walle walle = Walle.newBuilder()
                 .enableHeader(true)
@@ -36,19 +44,36 @@ protected void onCreate(Bundle savedInstanceState) {
                 .enableLoadMore(true)
                 .loadmoreRes(R.layout.view_load_more)
                 .addLoadMoreListener(this)
-                .wrapperAdapter(adapter).build();
+                .wrapperAdapter(mAdapter).build();
         rv.setAdapter(walle.getWrapperAdapter());
+        //rv.setAdapter(mAdapter);
 
-        adapter.setData(getdatas());
+        mAdapter.setData(getViewModels());
 
-        adapter.setOnItemClickListener(new BaseAdapter.OnItemClickListener() {
+        mAdapter.setOnItemClickListener(new BaseBindingAdapter.OnItemClickListener() {
             @Override
             public void onItemClick(View view, BaseViewHolder holder, int position) {
                 Toast.makeText(MainActivity.this, "点击"+(position - 1), Toast.LENGTH_SHORT).show();
             }
         });
     }
 
+    private ObservableArrayList<StringViewModel> getViewModels() {
+        ObservableArrayList<StringViewModel> models = new ObservableArrayList<>();
+        for (int i = 0; i < 30; i++) {
+            String txt = "";
+            if (i == 2) {
+                txt = ""+2;
+            } else if (i == 3) {
+                txt = ""+3;
+            } else {
+                txt = "This is Test -- "+i;
+            }
+            models.add(new StringViewModel(txt));
+        }
+        return models;
+    }
+
     private List<String> getdatas() {
         List<String> data = new ArrayList<>();
         for (int i = 0; i < 30 ; i++) {

diff --git a/app/src/main/java/me/donnie/app/databinding/ItemDb1Delegate.java b/app/src/main/java/me/donnie/app/databinding/ItemDb1Delegate.java
@@ -0,0 +1,28 @@
+package me.donnie.app.databinding;
+
+import me.donnie.adapter.databinding.delegate.ItemViewDelegate;
+import me.donnie.app.R;
+
+/**
+ * @author donnieSky
+ * @created_at 2017/7/31.
+ * @description
+ */
+
+public class ItemDb1Delegate implements ItemViewDelegate<StringViewModel, me.donnie.app.databinding.ViewDbItem1Binding> {
+    @Override
+    public int getItemViewLayoutId() {
+        return R.layout.view_db_item_1;
+    }
+
+    @Override
+    public boolean isForViewType(StringViewModel item, int position) {
+        return item.getTxt().equals("2");
+    }
+
+    @Override
+    public void convert(me.donnie.app.databinding.ViewDbItem1Binding binding, StringViewModel stringViewModel, int position) {
+        binding.setViewModel(stringViewModel);
+        binding.executePendingBindings();
+    }
+}
diff --git a/app/src/main/java/me/donnie/app/databinding/ItemDb2Delegate.java b/app/src/main/java/me/donnie/app/databinding/ItemDb2Delegate.java
@@ -0,0 +1,28 @@
+package me.donnie.app.databinding;
+
+import me.donnie.adapter.databinding.delegate.ItemViewDelegate;
+import me.donnie.app.R;
+
+/**
+ * @author donnieSky
+ * @created_at 2017/7/31.
+ * @description
+ */
+
+public class ItemDb2Delegate implements ItemViewDelegate<StringViewModel, me.donnie.app.databinding.ViewDbItem2Binding> {
+    @Override
+    public int getItemViewLayoutId() {
+        return R.layout.view_db_item_2;
+    }
+
+    @Override
+    public boolean isForViewType(StringViewModel item, int position) {
+        return item.getTxt().equals("3");
+    }
+
+    @Override
+    public void convert(me.donnie.app.databinding.ViewDbItem2Binding binding, StringViewModel stringViewModel, int position) {
+        binding.setViewModel(stringViewModel);
+        binding.executePendingBindings();
+    }
+}
diff --git a/app/src/main/java/me/donnie/app/databinding/ItemDbDefaultDelegate.java b/app/src/main/java/me/donnie/app/databinding/ItemDbDefaultDelegate.java
@@ -0,0 +1,29 @@
+package me.donnie.app.databinding;
+
+import me.donnie.adapter.databinding.delegate.ItemViewDelegate;
+import me.donnie.app.R;
+
+/**
+ * @author donnieSky
+ * @created_at 2017/7/31.
+ * @description
+ */
+
+public class ItemDbDefaultDelegate implements ItemViewDelegate<StringViewModel, ViewDbItemBinding> {
+    @Override
+    public int getItemViewLayoutId() {
+        return R.layout.view_db_item;
+    }
+
+    @Override
+    public boolean isForViewType(StringViewModel item, int position) {
+        return !item.getTxt().equals("2") &&
+                !item.getTxt().equals("3");
+    }
+
+    @Override
+    public void convert(ViewDbItemBinding binding, StringViewModel stringViewModel, int position) {
+        binding.setViewModel(stringViewModel);
+        binding.executePendingBindings();
+    }
+}
diff --git a/app/src/main/java/me/donnie/app/databinding/StringViewModel.java b/app/src/main/java/me/donnie/app/databinding/StringViewModel.java
@@ -0,0 +1,24 @@
+package me.donnie.app.databinding;
+
+import android.databinding.BaseObservable;
+import android.databinding.Bindable;
+
+/**
+ * @author donnieSky
+ * @created_at 2017/7/31.
+ * @description
+ */
+
+public class StringViewModel extends BaseObservable {
+
+    private String txt;
+
+    public StringViewModel(String txt) {
+        this.txt = txt;
+    }
+
+    @Bindable
+    public String getTxt() {
+        return txt;
+    }
+}
diff --git a/app/src/main/java/me/donnie/app/databinding/TestBindingAdapter.java b/app/src/main/java/me/donnie/app/databinding/TestBindingAdapter.java
@@ -0,0 +1,32 @@
+package me.donnie.app.databinding;
+
+import me.donnie.adapter.BaseViewHolder;
+import me.donnie.adapter.databinding.BaseBindingAdapter;
+import me.donnie.app.R;
+
+/**
+ * @author donnieSky
+ * @created_at 2017/7/31.
+ * @description
+ */
+
+public class TestBindingAdapter extends BaseBindingAdapter<StringViewModel, ViewDbItemBinding, BaseViewHolder> {
+
+    public TestBindingAdapter() {
+        super(R.layout.view_db_item);
+    }
+
+    /*@Override
+    protected void convert(BaseBindHolder<ViewDbItemBinding> holder, StringViewModel model, int position) {
+        StringViewModel viewModel = getItem(position);
+        ViewDbItemBinding itemBinding = holder.binding;
+        itemBinding.setViewModel(viewModel);
+        itemBinding.executePendingBindings();
+    }*/
+
+    @Override
+    protected void convert(ViewDbItemBinding binding, StringViewModel stringViewModel, int position) {
+        binding.setViewModel(stringViewModel);
+        binding.executePendingBindings();
+    }
+}
diff --git a/app/src/main/java/me/donnie/app/databinding/TextMultiDbAdapter.java b/app/src/main/java/me/donnie/app/databinding/TextMultiDbAdapter.java
@@ -0,0 +1,21 @@
+package me.donnie.app.databinding;
+
+import me.donnie.adapter.BaseViewHolder;
+import me.donnie.adapter.databinding.MultiItemBindingAdapter;
+
+/**
+ * @author donnieSky
+ * @created_at 2017/7/31.
+ * @description
+ */
+
+public class TextMultiDbAdapter extends MultiItemBindingAdapter<StringViewModel, BaseViewHolder> {
+
+    public TextMultiDbAdapter() {
+        super(null);
+
+        addItemViewDelegate(new ItemDbDefaultDelegate());
+        addItemViewDelegate(new ItemDb1Delegate());
+        addItemViewDelegate(new ItemDb2Delegate());
+    }
+}
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
@@ -6,4 +6,4 @@
     android:id="@+id/rv"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context="me.donnie.app.MainActivity"/>
+    tools:context="me.donnie.app.MainActivity"/>
diff --git a/app/src/main/res/layout/view_db_item.xml b/app/src/main/res/layout/view_db_item.xml
@@ -0,0 +1,38 @@
+<?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"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <data>
+        <variable
+            name="viewModel"
+            type="me.donnie.app.databinding.StringViewModel"/>
+    </data>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="100dp"
+        android:background="?attr/selectableItemBackground"
+        android:gravity="center_vertical"
+        android:orientation="horizontal"
+        android:padding="20dp">
+
+        <ImageView
+            android:id="@+id/img"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:src="@mipmap/ic_launcher"/>
+
+        <TextView
+            android:id="@+id/txt"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="20dp"
+            android:text="@{viewModel.txt}"
+            android:textColor="@android:color/black"
+            android:textSize="20sp"/>
+
+
+    </LinearLayout>
+</layout>
diff --git a/app/src/main/res/layout/view_db_item_1.xml b/app/src/main/res/layout/view_db_item_1.xml
@@ -0,0 +1,36 @@
+<?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"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <data>
+        <variable
+            name="viewModel"
+            type="me.donnie.app.databinding.StringViewModel"/>
+    </data>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="100dp"
+        android:background="?attr/selectableItemBackground"
+        android:gravity="center_vertical"
+        android:orientation="horizontal"
+        android:padding="20dp">
+
+        <Button
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="test"/>
+
+        <TextView
+            android:id="@+id/txt1"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="20dp"
+            android:text="@{viewModel.txt}"
+            android:textColor="@android:color/black"
+            android:textSize="20sp"/>
+
+    </LinearLayout>
+</layout>
diff --git a/app/src/main/res/layout/view_db_item_2.xml b/app/src/main/res/layout/view_db_item_2.xml
@@ -0,0 +1,32 @@
+<?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"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <data>
+        <variable
+            name="viewModel"
+            type="me.donnie.app.databinding.StringViewModel"/>
+    </data>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="100dp"
+        android:background="?attr/selectableItemBackground"
+        android:gravity="center_vertical"
+        android:orientation="horizontal"
+        android:padding="20dp">
+
+        <TextView
+            android:id="@+id/txt3"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:background="@color/colorPrimary"
+            android:gravity="center"
+            android:text="@{viewModel.txt}"
+            android:textColor="@android:color/white"
+            android:textSize="30sp"/>
+
+    </LinearLayout>
+</layout>
diff --git a/library/build.gradle b/library/build.gradle
@@ -12,6 +12,10 @@ android {
         abortOnError false
     }
 
+    dataBinding {
+        enabled = true
+    }
+
     defaultConfig {
         minSdkVersion 14
         targetSdkVersion 25

diff --git a/library/src/main/java/me/donnie/adapter/BaseAdapter.java b/library/src/main/java/me/donnie/adapter/BaseAdapter.java
@@ -101,7 +101,7 @@ public int getItemCount() {
         return mData.size();
     }
 
-    protected abstract void convert(BaseViewHolder holder, T t, int position);
+    protected abstract void convert(VH holder, T t, int position);
 
     protected void setListener(final ViewGroup parent, final BaseViewHolder viewHolder, int viewType) {
         viewHolder.itemView.setOnClickListener(new View.OnClickListener() {