├── .gitignore ├── .idea ├── compiler.xml ├── copyright │ └── profiles_settings.xml ├── encodings.xml ├── gradle.xml ├── misc.xml ├── modules.xml └── runConfigurations.xml ├── README.md ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── com │ │ └── heihei │ │ └── hehe │ │ └── recyclerbanner │ │ └── ExampleInstrumentedTest.java │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── com │ │ │ └── heihei │ │ │ └── hehe │ │ │ └── recyclerbanner │ │ │ ├── MainActivity.java │ │ │ └── RecyclerBanner.java │ └── res │ │ ├── drawable │ │ └── screen.jpg │ │ ├── layout │ │ └── activity_main.xml │ │ ├── mipmap-hdpi │ │ └── ic_launcher.png │ │ ├── mipmap-mdpi │ │ └── ic_launcher.png │ │ ├── mipmap-xhdpi │ │ └── ic_launcher.png │ │ ├── mipmap-xxhdpi │ │ └── ic_launcher.png │ │ ├── mipmap-xxxhdpi │ │ └── ic_launcher.png │ │ ├── values-w820dp │ │ └── dimens.xml │ │ └── values │ │ ├── colors.xml │ │ ├── dimens.xml │ │ ├── strings.xml │ │ └── styles.xml │ └── test │ └── java │ └── com │ └── heihei │ └── hehe │ └── recyclerbanner │ └── ExampleUnitTest.java ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat └── settings.gradle /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea/workspace.xml 5 | /.idea/libraries 6 | .DS_Store 7 | /build 8 | /captures 9 | .externalNativeBuild 10 | -------------------------------------------------------------------------------- /.idea/compiler.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | -------------------------------------------------------------------------------- /.idea/copyright/profiles_settings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | -------------------------------------------------------------------------------- /.idea/encodings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /.idea/gradle.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 17 | 18 | -------------------------------------------------------------------------------- /.idea/misc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 19 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 46 | -------------------------------------------------------------------------------- /.idea/modules.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /.idea/runConfigurations.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 11 | 12 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # RecyclerBanner 2 | 3 | 使用RecyclerView 实现的轮播图 4 | ![screen](https://github.com/13456961183/RecyclerBanner/blob/master/app/src/main/res/drawable/screen.jpg) 5 | -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 24 5 | buildToolsVersion "24.0.3" 6 | defaultConfig { 7 | applicationId "com.heihei.hehe.recyclerbanner" 8 | minSdkVersion 15 9 | targetSdkVersion 24 10 | versionCode 1 11 | versionName "1.0" 12 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" 13 | } 14 | buildTypes { 15 | release { 16 | minifyEnabled false 17 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 18 | } 19 | } 20 | } 21 | 22 | dependencies { 23 | compile fileTree(dir: 'libs', include: ['*.jar']) 24 | androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', { 25 | exclude group: 'com.android.support', module: 'support-annotations' 26 | }) 27 | compile 'com.android.support:appcompat-v7:24.2.1' 28 | testCompile 'junit:junit:4.12' 29 | compile 'com.github.bumptech.glide:glide:3.7.0' 30 | compile 'com.android.support:recyclerview-v7:24.2.1' 31 | } 32 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in D:\ide\sdk/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | -------------------------------------------------------------------------------- /app/src/androidTest/java/com/heihei/hehe/recyclerbanner/ExampleInstrumentedTest.java: -------------------------------------------------------------------------------- 1 | package com.heihei.hehe.recyclerbanner; 2 | 3 | import android.content.Context; 4 | import android.support.test.InstrumentationRegistry; 5 | import android.support.test.runner.AndroidJUnit4; 6 | 7 | import org.junit.Test; 8 | import org.junit.runner.RunWith; 9 | 10 | import static org.junit.Assert.*; 11 | 12 | /** 13 | * Instrumentation test, which will execute on an Android device. 14 | * 15 | * @see Testing documentation 16 | */ 17 | @RunWith(AndroidJUnit4.class) 18 | public class ExampleInstrumentedTest { 19 | @Test 20 | public void useAppContext() throws Exception { 21 | // Context of the app under test. 22 | Context appContext = InstrumentationRegistry.getTargetContext(); 23 | 24 | assertEquals("com.heihei.hehe.recyclerbanner", appContext.getPackageName()); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 6 | 7 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | -------------------------------------------------------------------------------- /app/src/main/java/com/heihei/hehe/recyclerbanner/MainActivity.java: -------------------------------------------------------------------------------- 1 | package com.heihei.hehe.recyclerbanner; 2 | 3 | import android.support.v7.app.AppCompatActivity; 4 | import android.os.Bundle; 5 | import android.util.Log; 6 | import android.view.View; 7 | import android.widget.Toast; 8 | 9 | import java.util.ArrayList; 10 | import java.util.List; 11 | 12 | public class MainActivity extends AppCompatActivity { 13 | 14 | RecyclerBanner pager; 15 | private List urls = new ArrayList<>(); 16 | 17 | @Override 18 | protected void onCreate(Bundle savedInstanceState) { 19 | super.onCreate(savedInstanceState); 20 | setContentView(R.layout.activity_main); 21 | pager = (RecyclerBanner) findViewById(R.id.r); 22 | pager.setOnPagerClickListener(new RecyclerBanner.OnPagerClickListener() { 23 | @Override 24 | public void onClick(RecyclerBanner.BannerEntity entity) { 25 | Toast.makeText(MainActivity.this, entity.getUrl(), Toast.LENGTH_SHORT).show(); 26 | } 27 | }); 28 | } 29 | 30 | int i; 31 | 32 | public void update(View v) { 33 | i++; 34 | urls.clear(); 35 | if (i % 2 == 0) { 36 | urls.add(new Entity("http://pic.58pic.com/58pic/12/46/13/03B58PICXxE.jpg")); 37 | urls.add(new Entity("http://www.jitu5.com/uploads/allimg/121120/260529-121120232T546.jpg")); 38 | urls.add(new Entity("http://pic34.nipic.com/20131025/2531170_132447503000_2.jpg")); 39 | urls.add(new Entity("http://img5.imgtn.bdimg.com/it/u=3462610901,3870573928&fm=206&gp=0.jpg")); 40 | } else { 41 | urls.add(new Entity("http://img0.imgtn.bdimg.com/it/u=726278301,2143262223&fm=11&gp=0.jpg")); 42 | urls.add(new Entity("http://pic51.nipic.com/file/20141023/2531170_115622554000_2.jpg")); 43 | urls.add(new Entity("http://img3.imgtn.bdimg.com/it/u=2968209827,470106340&fm=21&gp=0.jpg")); 44 | } 45 | long t = System.currentTimeMillis(); 46 | pager.setDatas(urls); 47 | Log.w("---", System.currentTimeMillis() - t + ""); 48 | } 49 | 50 | 51 | private class Entity implements RecyclerBanner.BannerEntity { 52 | 53 | String url; 54 | 55 | public Entity(String url) { 56 | this.url = url; 57 | } 58 | 59 | @Override 60 | public String getUrl() { 61 | return url; 62 | } 63 | } 64 | } -------------------------------------------------------------------------------- /app/src/main/java/com/heihei/hehe/recyclerbanner/RecyclerBanner.java: -------------------------------------------------------------------------------- 1 | package com.heihei.hehe.recyclerbanner; 2 | 3 | import android.content.Context; 4 | import android.graphics.drawable.GradientDrawable; 5 | import android.os.Handler; 6 | import android.support.v7.widget.LinearLayoutManager; 7 | import android.support.v7.widget.LinearSnapHelper; 8 | import android.support.v7.widget.RecyclerView; 9 | import android.util.AttributeSet; 10 | import android.view.Gravity; 11 | import android.view.MotionEvent; 12 | import android.view.View; 13 | import android.view.ViewGroup; 14 | import android.widget.FrameLayout; 15 | import android.widget.ImageView; 16 | import android.widget.LinearLayout; 17 | 18 | import com.bumptech.glide.Glide; 19 | 20 | import java.util.ArrayList; 21 | import java.util.List; 22 | 23 | /** 24 | * Describe the function of the class 25 | * 26 | * @author zhujinlong@ichoice.com 27 | * @date 2016/10/22 28 | * @time 9:21 29 | * @description Describe the place where the class needs to pay attention. 30 | */ 31 | public class RecyclerBanner extends FrameLayout { 32 | 33 | RecyclerView recyclerView; 34 | LinearLayout linearLayout; 35 | GradientDrawable defaultDrawable,selectedDrawable; 36 | 37 | ReyclerAdapter adapter; 38 | OnPagerClickListener onPagerClickListener; 39 | private List datas = new ArrayList<>(); 40 | 41 | int size,startX, startY,currentIndex; 42 | boolean isPlaying; 43 | 44 | public interface OnPagerClickListener{ 45 | 46 | void onClick(BannerEntity entity); 47 | } 48 | 49 | public interface BannerEntity{ 50 | String getUrl(); 51 | } 52 | 53 | private Handler handler = new Handler(); 54 | 55 | private Runnable playTask = new Runnable(){ 56 | 57 | @Override 58 | public void run() { 59 | recyclerView.smoothScrollToPosition(++currentIndex); 60 | changePoint(); 61 | handler.postDelayed(this,3000); 62 | } 63 | }; 64 | 65 | public RecyclerBanner(Context context) { 66 | this(context,null); 67 | } 68 | 69 | public RecyclerBanner(Context context, AttributeSet attrs) { 70 | this(context, attrs,0); 71 | } 72 | 73 | public RecyclerBanner(Context context, AttributeSet attrs, int defStyleAttr) { 74 | super(context, attrs, defStyleAttr); 75 | size = (int) (6 * context.getResources().getDisplayMetrics().density + 0.5f); 76 | defaultDrawable = new GradientDrawable(); 77 | defaultDrawable.setSize(size,size); 78 | defaultDrawable.setCornerRadius(size); 79 | defaultDrawable.setColor(0xffffffff); 80 | selectedDrawable = new GradientDrawable(); 81 | selectedDrawable.setSize(size,size); 82 | selectedDrawable.setCornerRadius(size); 83 | selectedDrawable.setColor(0xff0094ff); 84 | 85 | recyclerView = new RecyclerView(context); 86 | LayoutParams vpLayoutParams = new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT); 87 | linearLayout = new LinearLayout(context); 88 | linearLayout.setOrientation(LinearLayout.HORIZONTAL); 89 | LayoutParams linearLayoutParams = new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT); 90 | linearLayout.setGravity(Gravity.CENTER); 91 | linearLayout.setPadding(size * 2,size * 2,size * 2,size * 2); 92 | linearLayoutParams.gravity = Gravity.BOTTOM; 93 | addView(recyclerView,vpLayoutParams); 94 | addView(linearLayout,linearLayoutParams); 95 | 96 | new PagerSnapHelper().attachToRecyclerView(recyclerView); 97 | recyclerView.setLayoutManager(new LinearLayoutManager(context, LinearLayoutManager.HORIZONTAL,false)); 98 | adapter = new ReyclerAdapter(); 99 | recyclerView.setAdapter(adapter); 100 | recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() { 101 | 102 | @Override 103 | public void onScrollStateChanged(RecyclerView recyclerView, int newState) { 104 | super.onScrollStateChanged(recyclerView, newState); 105 | int first = ((LinearLayoutManager)recyclerView.getLayoutManager()).findFirstVisibleItemPosition(); 106 | int last = ((LinearLayoutManager)recyclerView.getLayoutManager()).findLastVisibleItemPosition(); 107 | if(currentIndex != (first + last) / 2){ 108 | currentIndex = (first + last) / 2; 109 | changePoint(); 110 | } 111 | } 112 | }); 113 | } 114 | 115 | public void setOnPagerClickListener(OnPagerClickListener onPagerClickListener) { 116 | this.onPagerClickListener = onPagerClickListener; 117 | } 118 | 119 | public synchronized void setPlaying(boolean playing){ 120 | if(!isPlaying && playing && adapter != null && adapter.getItemCount() > 2){ 121 | handler.postDelayed(playTask,3000); 122 | isPlaying = true; 123 | }else if(isPlaying && !playing){ 124 | handler.removeCallbacksAndMessages(null); 125 | isPlaying = false; 126 | } 127 | } 128 | 129 | public int setDatas(List datas){ 130 | setPlaying(false); 131 | this.datas.clear(); 132 | linearLayout.removeAllViews(); 133 | if(datas != null){ 134 | this.datas.addAll(datas); 135 | } 136 | if(this.datas.size() > 1){ 137 | currentIndex = this.datas.size() * 10000; 138 | adapter.notifyDataSetChanged(); 139 | recyclerView.scrollToPosition(currentIndex); 140 | for (int i = 0; i < this.datas.size(); i++) { 141 | ImageView img = new ImageView(getContext()); 142 | LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT); 143 | lp.leftMargin = size/2; 144 | lp.rightMargin = size/2; 145 | img.setImageDrawable(i == 0 ? selectedDrawable : defaultDrawable); 146 | linearLayout.addView(img,lp); 147 | } 148 | setPlaying(true); 149 | }else { 150 | currentIndex = 0; 151 | adapter.notifyDataSetChanged(); 152 | } 153 | return this.datas.size(); 154 | } 155 | 156 | @Override 157 | public boolean dispatchTouchEvent(MotionEvent ev) { 158 | switch (ev.getAction()) { 159 | case MotionEvent.ACTION_DOWN: 160 | startX = (int) ev.getX(); 161 | startY = (int) ev.getY(); 162 | getParent().requestDisallowInterceptTouchEvent(true); 163 | setPlaying(false); 164 | break; 165 | case MotionEvent.ACTION_MOVE: 166 | int moveX = (int) ev.getX(); 167 | int moveY = (int) ev.getY(); 168 | int disX = moveX - startX; 169 | int disY = moveY - startY; 170 | getParent().requestDisallowInterceptTouchEvent(2 * Math.abs(disX) > Math.abs(disY)); 171 | setPlaying(false); 172 | break; 173 | case MotionEvent.ACTION_UP: 174 | case MotionEvent.ACTION_CANCEL: 175 | setPlaying(true); 176 | break; 177 | } 178 | return super.dispatchTouchEvent(ev); 179 | } 180 | 181 | @Override 182 | protected void onAttachedToWindow() { 183 | super.onAttachedToWindow(); 184 | setPlaying(true); 185 | } 186 | 187 | @Override 188 | protected void onDetachedFromWindow() { 189 | super.onDetachedFromWindow(); 190 | setPlaying(false); 191 | } 192 | 193 | @Override 194 | protected void onWindowVisibilityChanged(int visibility) { 195 | if(visibility == View.GONE){ 196 | // 停止轮播 197 | setPlaying(false); 198 | }else if(visibility == View.VISIBLE){ 199 | // 开始轮播 200 | setPlaying(true); 201 | } 202 | super.onWindowVisibilityChanged(visibility); 203 | } 204 | // 内置适配器 205 | private class ReyclerAdapter extends RecyclerView.Adapter{ 206 | 207 | @Override 208 | public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { 209 | ImageView img = new ImageView(parent.getContext()); 210 | RecyclerView.LayoutParams l = new RecyclerView.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT); 211 | img.setScaleType(ImageView.ScaleType.CENTER_CROP); 212 | img.setLayoutParams(l); 213 | img.setId(R.id.icon); 214 | img.setOnClickListener(new OnClickListener() { 215 | @Override 216 | public void onClick(View v) { 217 | if(onPagerClickListener != null){ 218 | onPagerClickListener.onClick(datas.get(currentIndex % datas.size())); 219 | } 220 | } 221 | }); 222 | return new RecyclerView.ViewHolder(img) {}; 223 | } 224 | 225 | @Override 226 | public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) { 227 | ImageView img = (ImageView) holder.itemView.findViewById(R.id.icon); 228 | Glide.with(img.getContext()).load(datas.get(position % datas.size()).getUrl()).placeholder(R.mipmap.ic_launcher).into(img); 229 | } 230 | 231 | @Override 232 | public int getItemCount() { 233 | return datas == null ? 0 : datas.size() < 2 ? datas.size() : Integer.MAX_VALUE; 234 | } 235 | } 236 | 237 | private class PagerSnapHelper extends LinearSnapHelper { 238 | 239 | @Override 240 | public int findTargetSnapPosition(RecyclerView.LayoutManager layoutManager, int velocityX, int velocityY) { 241 | int targetPos = super.findTargetSnapPosition(layoutManager, velocityX, velocityY); 242 | final View currentView = findSnapView(layoutManager); 243 | if(targetPos != RecyclerView.NO_POSITION && currentView != null){ 244 | int currentPostion = layoutManager.getPosition(currentView); 245 | int first = ((LinearLayoutManager)layoutManager).findFirstVisibleItemPosition(); 246 | int last = ((LinearLayoutManager)layoutManager).findLastVisibleItemPosition(); 247 | currentPostion = targetPos < currentPostion ? last : (targetPos > currentPostion ? first : currentPostion); 248 | targetPos = targetPos < currentPostion ? currentPostion - 1 : (targetPos > currentPostion ? currentPostion + 1 : currentPostion); 249 | } 250 | return targetPos; 251 | } 252 | } 253 | 254 | private void changePoint(){ 255 | if(linearLayout != null && linearLayout.getChildCount() > 0){ 256 | for (int i = 0; i < linearLayout.getChildCount(); i++) { 257 | ((ImageView)linearLayout.getChildAt(i)).setImageDrawable(i == currentIndex % datas.size() ? selectedDrawable : defaultDrawable); 258 | } 259 | } 260 | } 261 | } -------------------------------------------------------------------------------- /app/src/main/res/drawable/screen.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/zjloong/RecyclerBanner/21f5f95368c1c8face053483d22cc72c227d8674/app/src/main/res/drawable/screen.jpg -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | 9 | 10 | 14 | 15 |