first commit

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.externalNativeBuild

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 25
+    buildToolsVersion '25.0.0'
+    defaultConfig {
+        applicationId "me.free.example"
+        minSdkVersion 14
+        targetSdkVersion 25
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    compile project(':library')
+    compile fileTree(include: ['*.jar'], dir: 'libs')
+    testCompile 'junit:junit:4.12'
+    compile 'com.android.support:support-v4:25.3.1'
+    compile 'com.android.support:appcompat-v7:25.3.1'
+    compile 'com.android.support:support-v13:25.3.1'
+    compile 'com.android.support.constraint:constraint-layout:1.0.2'
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/me/free/example/ExampleInstrumentedTest.java

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+package me.free.example;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("me.free.example", appContext.getPackageName());
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="me.free.example">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/me/free/example/MainActivity.java

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+package me.free.example;
+
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import me.free.sticky.StickyItemDecoration;
+
+public class MainActivity extends AppCompatActivity {
+
+    RecyclerView recyclerView;
+
+    List<Test> testList = new ArrayList<>();
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        TestAdapter testAdapter = new TestAdapter(this);
+        recyclerView = (RecyclerView) findViewById(R.id.rv);
+        recyclerView.setLayoutManager(new LinearLayoutManager(this));
+        recyclerView.addItemDecoration(new StickyItemDecoration());
+        recyclerView.setAdapter(testAdapter);
+
+        Test test = new Test();
+        test.content = "测试数据我测试One";
+        test.viewType = 11;
+        testList.add(test);
+
+        addTestContent();
+
+        Test testTwo = new Test();
+        testTwo.content = "测试Two";
+        testTwo.viewType = 11;
+        testList.add(testTwo);
+
+        addTestContent();
+
+        Test testThree = new Test();
+        testThree.content = "测试Three";
+        testThree.viewType = 11;
+        testList.add(testThree);
+
+        addTestContent();
+
+        Test testFour = new Test();
+        testFour.content = "测试Four";
+        testFour.viewType = 11;
+        testList.add(testFour);
+
+        addTestContent();
+
+        testAdapter.testList = testList;
+        testAdapter.notifyDataSetChanged();
+    }
+
+    private void addTestContent() {
+        for (int i = 0; i < 10; i++) {
+            Test test = new Test();
+            test.content = "测试内容："+i;
+            test.viewType = 10;
+            testList.add(test);
+        }
+    }
+}

app/src/main/java/me/free/example/Test.java

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+package me.free.example;
+
+/**
+ * Created by lenovo on 2018/1/16.
+ */
+
+public class Test {
+
+    public String content;
+
+    public int viewType;
+}

app/src/main/java/me/free/example/TestAdapter.java

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+package me.free.example;
+
+import android.content.Context;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Created by cpf on 2018/1/16.
+ */
+
+public class TestAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
+
+    public Context context;
+
+    public List<Test> testList = new ArrayList<>();
+
+    public TestAdapter(Context context) {
+        this.context = context;
+    }
+    @Override
+    public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        if (viewType == 10) {
+            return new TestOneVH(LayoutInflater.from(context).inflate(R.layout.adapter_test_one, parent, false));
+        }
+        return new TestTwoVH(LayoutInflater.from(context).inflate(R.layout.adapter_test_two, parent, false));
+    }
+
+    @Override
+    public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {
+        Test test = testList.get(position);
+        if (holder instanceof TestOneVH) {
+            ((TestOneVH) holder).bindData(test);
+        }
+        if (holder instanceof TestTwoVH) {
+            ((TestTwoVH) holder).bindData(test);
+        }
+    }
+
+    @Override
+    public int getItemCount() {
+        return testList.size();
+    }
+
+    @Override
+    public int getItemViewType(int position) {
+        return testList.get(position).viewType;
+    }
+
+
+    static class TestTwoVH extends RecyclerView.ViewHolder {
+
+        TextView mTv;
+
+        public TestTwoVH(View itemView) {
+            super(itemView);
+            mTv = (TextView) itemView.findViewById(R.id.text);
+            itemView.setTag(true);
+        }
+
+        public void bindData(Test test) {
+            mTv.setText(test.content);
+        }
+
+    }
+
+    static class TestOneVH extends RecyclerView.ViewHolder {
+
+        TextView mTv;
+
+        public TestOneVH(View itemView) {
+            super(itemView);
+            mTv = (TextView) itemView.findViewById(R.id.text);
+            itemView.setTag(false);
+        }
+
+        public void bindData(Test test) {
+            mTv.setText(test.content);
+        }
+
+    }
+}