add RecyclerView

AdvancedView/RecyclerViewTest/.gitignore

@@ -0,0 +1,14 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx

AdvancedView/RecyclerViewTest/app/.gitignore

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+/build

AdvancedView/RecyclerViewTest/app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 29
+    buildToolsVersion "29.0.3"
+
+    defaultConfig {
+        applicationId "jssvc.edu.cn.recyclerview2"
+        minSdkVersion 16
+        targetSdkVersion 29
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+
+    implementation 'androidx.appcompat:appcompat:1.1.0'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    testImplementation 'junit:junit:4.12'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.1'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
+    implementation 'androidx.recyclerview:recyclerview:1.1.0'
+}

AdvancedView/RecyclerViewTest/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

AdvancedView/RecyclerViewTest/app/src/androidTest/java/jssvc/edu/cn/recyclerview2/ExampleInstrumentedTest.java

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+package jssvc.edu.cn.recyclerview2;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.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() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+
+        assertEquals("jssvc.edu.cn.recyclerview2", appContext.getPackageName());
+    }
+}

AdvancedView/RecyclerViewTest/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="jssvc.edu.cn.recyclerview2">
+
+    <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>

AdvancedView/RecyclerViewTest/app/src/main/java/jssvc/edu/cn/recyclerview2/MainActivity.java

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+package jssvc.edu.cn.recyclerview2;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import android.os.Bundle;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class MainActivity extends AppCompatActivity {
+
+    private RecyclerView recyclerView;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        recyclerView = findViewById(R.id.recyclerView);
+
+        List<Person> personList = new ArrayList<>();
+        Person person1 = new Person("zhangsan","15512345678",R.drawable.ic_android_black_24dp);
+        Person person2 = new Person("lisi","18812345678",R.drawable.ic_directions_run_black_24dp);
+        personList.add(person1);
+        personList.add(person2);
+
+        LinearLayoutManager layoutManager = new LinearLayoutManager(this);
+        layoutManager.setOrientation(RecyclerView.HORIZONTAL);
+        recyclerView.setLayoutManager(layoutManager);
+
+        MyAdapter myAdapter = new MyAdapter(personList);
+
+        recyclerView.setAdapter(myAdapter);
+    }
+}

AdvancedView/RecyclerViewTest/app/src/main/java/jssvc/edu/cn/recyclerview2/MyAdapter.java

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+package jssvc.edu.cn.recyclerview2;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import java.util.List;
+
+public class MyAdapter extends RecyclerView.Adapter<MyAdapter.MyViewHolder> {
+    private List<Person> personList;
+
+    public MyAdapter(List<Person> personList) {
+        this.personList = personList;
+    }
+
+    @NonNull
+    @Override
+    public MyViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.item,parent,false);
+        MyViewHolder myViewHolder = new MyViewHolder(itemView);
+        return myViewHolder;
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull MyViewHolder holder, int position) {
+        Person person = personList.get(position);
+        holder.nameText.setText(person.getName());
+        holder.phoneText.setText(person.getPhone());
+        holder.head.setImageResource(person.getHeadId());
+    }
+
+    @Override
+    public int getItemCount() {
+        return personList.size();
+    }
+
+    class MyViewHolder extends RecyclerView.ViewHolder {
+        TextView nameText;
+        TextView phoneText;
+        ImageView head;
+
+        public MyViewHolder(View itemView) {
+            super(itemView);
+            this.nameText = itemView.findViewById(R.id.textView);
+            this.phoneText = itemView.findViewById(R.id.textView2);
+            this.head = itemView.findViewById(R.id.imageView);
+        }
+    }
+}