├── app ├── .gitignore ├── src │ ├── main │ │ ├── res │ │ │ ├── values │ │ │ │ ├── dimens.xml │ │ │ │ ├── strings.xml │ │ │ │ ├── colors.xml │ │ │ │ └── styles.xml │ │ │ ├── drawable-xxhdpi │ │ │ │ ├── photo0.jpg │ │ │ │ ├── photo1.jpg │ │ │ │ ├── photo2.jpg │ │ │ │ ├── photo3.jpg │ │ │ │ ├── photo4.jpg │ │ │ │ ├── photo5.jpg │ │ │ │ ├── photo6.jpg │ │ │ │ └── photo7.jpg │ │ │ ├── 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 │ │ │ └── layout │ │ │ │ ├── photo_layout.xml │ │ │ │ ├── progress_bar_layout.xml │ │ │ │ └── activity_main.xml │ │ ├── java │ │ │ └── info │ │ │ │ └── nissiy │ │ │ │ └── gridlayoutsample │ │ │ │ ├── ProgressStub.java │ │ │ │ ├── Photo.java │ │ │ │ ├── Util.java │ │ │ │ ├── ProgressBarLayoutHolder.java │ │ │ │ ├── GridWithProgressLayoutManager.java │ │ │ │ ├── GridSpacingItemDecoration.java │ │ │ │ ├── RecyclerBaseAdapter.java │ │ │ │ ├── EndlessScrollListener.java │ │ │ │ ├── PhotoGridAdapter.java │ │ │ │ └── MainActivity.java │ │ └── AndroidManifest.xml │ ├── test │ │ └── java │ │ │ └── info │ │ │ └── nissiy │ │ │ └── gridlayoutsample │ │ │ └── ExampleUnitTest.java │ └── androidTest │ │ └── java │ │ └── info │ │ └── nissiy │ │ └── gridlayoutsample │ │ └── ApplicationTest.java ├── proguard-rules.pro └── build.gradle ├── settings.gradle ├── images └── screenshot.gif ├── .gitignore ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── README.md ├── gradle.properties ├── gradlew.bat ├── gradlew └── LICENSE.txt /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | -------------------------------------------------------------------------------- /images/screenshot.gif: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nissiy/GridLayoutSample/HEAD/images/screenshot.gif -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea 5 | .DS_Store 6 | /build 7 | /captures 8 | -------------------------------------------------------------------------------- /app/src/main/res/values/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 8dp 3 | 4 | -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | GridLayoutSample 3 | 4 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nissiy/GridLayoutSample/HEAD/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /app/src/main/res/drawable-xxhdpi/photo0.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nissiy/GridLayoutSample/HEAD/app/src/main/res/drawable-xxhdpi/photo0.jpg -------------------------------------------------------------------------------- /app/src/main/res/drawable-xxhdpi/photo1.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nissiy/GridLayoutSample/HEAD/app/src/main/res/drawable-xxhdpi/photo1.jpg -------------------------------------------------------------------------------- /app/src/main/res/drawable-xxhdpi/photo2.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nissiy/GridLayoutSample/HEAD/app/src/main/res/drawable-xxhdpi/photo2.jpg -------------------------------------------------------------------------------- /app/src/main/res/drawable-xxhdpi/photo3.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nissiy/GridLayoutSample/HEAD/app/src/main/res/drawable-xxhdpi/photo3.jpg -------------------------------------------------------------------------------- /app/src/main/res/drawable-xxhdpi/photo4.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nissiy/GridLayoutSample/HEAD/app/src/main/res/drawable-xxhdpi/photo4.jpg -------------------------------------------------------------------------------- /app/src/main/res/drawable-xxhdpi/photo5.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nissiy/GridLayoutSample/HEAD/app/src/main/res/drawable-xxhdpi/photo5.jpg -------------------------------------------------------------------------------- /app/src/main/res/drawable-xxhdpi/photo6.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nissiy/GridLayoutSample/HEAD/app/src/main/res/drawable-xxhdpi/photo6.jpg -------------------------------------------------------------------------------- /app/src/main/res/drawable-xxhdpi/photo7.jpg: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nissiy/GridLayoutSample/HEAD/app/src/main/res/drawable-xxhdpi/photo7.jpg -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nissiy/GridLayoutSample/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nissiy/GridLayoutSample/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/java/info/nissiy/gridlayoutsample/ProgressStub.java: -------------------------------------------------------------------------------- 1 | package info.nissiy.gridlayoutsample; 2 | 3 | public class ProgressStub { 4 | } 5 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nissiy/GridLayoutSample/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nissiy/GridLayoutSample/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/nissiy/GridLayoutSample/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | GridLayoutSample 2 | ======================================== 3 | Implemented progressbar as footer in GridLayoutManager (RecyclerView) 4 | 5 | ## Screenshot 6 | ![Screenshot](images/screenshot.gif) 7 | 8 | -------------------------------------------------------------------------------- /app/src/main/java/info/nissiy/gridlayoutsample/Photo.java: -------------------------------------------------------------------------------- 1 | package info.nissiy.gridlayoutsample; 2 | 3 | public class Photo { 4 | public int drawableResId; 5 | 6 | public Photo(int drawableResId) { 7 | this.drawableResId = drawableResId; 8 | } 9 | } 10 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Thu Mar 16 02:36:01 JST 2017 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip 7 | -------------------------------------------------------------------------------- /app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #3f51b5 4 | #303f9f 5 | #536dfe 6 | #e8eaf6 7 | 8 | -------------------------------------------------------------------------------- /app/src/test/java/info/nissiy/gridlayoutsample/ExampleUnitTest.java: -------------------------------------------------------------------------------- 1 | package info.nissiy.gridlayoutsample; 2 | 3 | import org.junit.Test; 4 | 5 | import static org.junit.Assert.*; 6 | 7 | /** 8 | * To work on unit tests, switch the Test Artifact in the Build Variants view. 9 | */ 10 | public class ExampleUnitTest { 11 | @Test 12 | public void addition_isCorrect() throws Exception { 13 | assertEquals(4, 2 + 2); 14 | } 15 | } -------------------------------------------------------------------------------- /app/src/main/java/info/nissiy/gridlayoutsample/Util.java: -------------------------------------------------------------------------------- 1 | package info.nissiy.gridlayoutsample; 2 | 3 | import android.content.Context; 4 | import android.content.res.Configuration; 5 | 6 | public class Util { 7 | 8 | private Util() { 9 | } 10 | 11 | public static boolean isLandscape(Context context) { 12 | return context.getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE; 13 | } 14 | 15 | } 16 | -------------------------------------------------------------------------------- /app/src/androidTest/java/info/nissiy/gridlayoutsample/ApplicationTest.java: -------------------------------------------------------------------------------- 1 | package info.nissiy.gridlayoutsample; 2 | 3 | import android.app.Application; 4 | import android.test.ApplicationTestCase; 5 | 6 | /** 7 | * Testing Fundamentals 8 | */ 9 | public class ApplicationTest extends ApplicationTestCase { 10 | public ApplicationTest() { 11 | super(Application.class); 12 | } 13 | } -------------------------------------------------------------------------------- /app/src/main/java/info/nissiy/gridlayoutsample/ProgressBarLayoutHolder.java: -------------------------------------------------------------------------------- 1 | package info.nissiy.gridlayoutsample; 2 | 3 | import android.support.v7.widget.RecyclerView; 4 | import android.widget.FrameLayout; 5 | 6 | public class ProgressBarLayoutHolder extends RecyclerView.ViewHolder { 7 | public final FrameLayout progressBarLayout; 8 | 9 | public ProgressBarLayoutHolder(FrameLayout view) { 10 | super(view); 11 | progressBarLayout = view; 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /app/src/main/res/layout/photo_layout.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 6 | 11 | 12 | -------------------------------------------------------------------------------- /app/src/main/res/layout/progress_bar_layout.xml: -------------------------------------------------------------------------------- 1 | 2 | 6 | 7 | 13 | 14 | -------------------------------------------------------------------------------- /app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 9 | 10 | 11 | 14 | 15 | 16 | -------------------------------------------------------------------------------- /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 /Applications/android-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/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # Project-wide Gradle settings. 2 | 3 | # IDE (e.g. Android Studio) users: 4 | # Gradle settings configured through the IDE *will override* 5 | # any settings specified in this file. 6 | 7 | # For more details on how to configure your build environment visit 8 | # http://www.gradle.org/docs/current/userguide/build_environment.html 9 | 10 | # Specifies the JVM arguments used for the daemon process. 11 | # The setting is particularly useful for tweaking memory settings. 12 | # Default value: -Xmx10248m -XX:MaxPermSize=256m 13 | # org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8 14 | 15 | # When configured, Gradle will run in incubating parallel mode. 16 | # This option should only be used with decoupled projects. More details, visit 17 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects 18 | # org.gradle.parallel=true -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | apply plugin: 'me.tatarka.retrolambda' 3 | 4 | android { 5 | compileSdkVersion 25 6 | buildToolsVersion '25.0.2' 7 | 8 | defaultConfig { 9 | applicationId "info.nissiy.gridlayoutsample" 10 | minSdkVersion 15 11 | targetSdkVersion 25 12 | versionCode 1 13 | versionName "0.0.1" 14 | } 15 | buildTypes { 16 | release { 17 | minifyEnabled false 18 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 19 | } 20 | } 21 | compileOptions { 22 | sourceCompatibility JavaVersion.VERSION_1_8 23 | targetCompatibility JavaVersion.VERSION_1_8 24 | } 25 | } 26 | 27 | dependencies { 28 | compile fileTree(dir: 'libs', include: ['*.jar']) 29 | testCompile 'junit:junit:4.12' 30 | compile 'com.android.support:appcompat-v7:25.3.0' 31 | compile 'com.android.support:recyclerview-v7:25.3.0' 32 | compile 'com.squareup.picasso:picasso:2.5.2' 33 | } 34 | -------------------------------------------------------------------------------- /app/src/main/java/info/nissiy/gridlayoutsample/GridWithProgressLayoutManager.java: -------------------------------------------------------------------------------- 1 | package info.nissiy.gridlayoutsample; 2 | 3 | import android.content.Context; 4 | import android.support.v7.widget.GridLayoutManager; 5 | 6 | public class GridWithProgressLayoutManager extends GridLayoutManager { 7 | 8 | public GridWithProgressLayoutManager(Context context, 9 | final int spanCount, 10 | final RecyclerBaseAdapter adapter) { 11 | super(context, spanCount); 12 | 13 | SpanSizeLookup spanSizeLookup = new SpanSizeLookup() { 14 | @Override 15 | public int getSpanSize(int position) { 16 | if (adapter != null 17 | && adapter.getItemViewType(position) == RecyclerBaseAdapter.TYPE_PROG) { 18 | return spanCount; 19 | } 20 | return 1; 21 | } 22 | }; 23 | spanSizeLookup.setSpanIndexCacheEnabled(true); 24 | setSpanSizeLookup(spanSizeLookup); 25 | } 26 | 27 | } -------------------------------------------------------------------------------- /app/src/main/java/info/nissiy/gridlayoutsample/GridSpacingItemDecoration.java: -------------------------------------------------------------------------------- 1 | package info.nissiy.gridlayoutsample; 2 | 3 | import android.graphics.Rect; 4 | import android.support.v7.widget.RecyclerView; 5 | import android.view.View; 6 | 7 | public class GridSpacingItemDecoration extends RecyclerView.ItemDecoration { 8 | private int spanCount; 9 | private int spacing; 10 | 11 | public GridSpacingItemDecoration(int spanCount, int spacing) { 12 | this.spanCount = spanCount; 13 | this.spacing = spacing; 14 | } 15 | 16 | @Override 17 | public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) { 18 | // Skip in the case of ProgressBarLayoutHolder 19 | RecyclerView.ViewHolder viewHolder = parent.getChildViewHolder(view); 20 | if (viewHolder instanceof ProgressBarLayoutHolder) { 21 | return; 22 | } 23 | 24 | int position = parent.getChildAdapterPosition(view); 25 | int column = position % spanCount; 26 | 27 | outRect.left = column * spacing / spanCount; 28 | outRect.right = spacing - (column + 1) * spacing / spanCount; 29 | outRect.bottom = spacing; 30 | } 31 | 32 | } 33 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 8 | 9 | 15 | 16 | 21 | 22 | 28 | 29 | 30 | 31 | 32 | -------------------------------------------------------------------------------- /app/src/main/java/info/nissiy/gridlayoutsample/RecyclerBaseAdapter.java: -------------------------------------------------------------------------------- 1 | package info.nissiy.gridlayoutsample; 2 | 3 | import android.support.annotation.NonNull; 4 | import android.support.v7.widget.RecyclerView; 5 | 6 | import java.util.List; 7 | 8 | public abstract class RecyclerBaseAdapter extends RecyclerView.Adapter { 9 | public final static int TYPE_ITEM = 1; 10 | public final static int TYPE_PROG = 2; 11 | 12 | private final Object lock = new Object(); 13 | protected final List objects; 14 | 15 | public RecyclerBaseAdapter(List objects) { 16 | this.objects = objects; 17 | } 18 | 19 | public void add(@NonNull Object object) { 20 | int position = objects.size(); 21 | synchronized (lock) { 22 | objects.add(object); 23 | } 24 | notifyItemInserted(position); 25 | } 26 | 27 | public void remove(Object object) { 28 | int position = objects.indexOf(object); 29 | synchronized (lock) { 30 | objects.remove(object); 31 | } 32 | notifyItemRemoved(position); 33 | } 34 | 35 | public void clear() { 36 | synchronized (lock) { 37 | objects.clear(); 38 | } 39 | notifyDataSetChanged(); 40 | } 41 | 42 | @Override 43 | public int getItemCount() { 44 | return objects.size(); 45 | } 46 | 47 | } 48 | -------------------------------------------------------------------------------- /app/src/main/java/info/nissiy/gridlayoutsample/EndlessScrollListener.java: -------------------------------------------------------------------------------- 1 | package info.nissiy.gridlayoutsample; 2 | 3 | import android.support.v7.widget.LinearLayoutManager; 4 | import android.support.v7.widget.RecyclerView; 5 | 6 | public class EndlessScrollListener extends RecyclerView.OnScrollListener { 7 | private LinearLayoutManager layoutManager; 8 | private int visibleThreshold; 9 | private boolean loading = true; 10 | private int previousTotal = 0; 11 | private int currentPage = 1; 12 | private OnLoadMoreListener onLoadMoreListener; 13 | 14 | public interface OnLoadMoreListener { 15 | void onLoadMore(int currentPage); 16 | } 17 | 18 | public EndlessScrollListener(int visibleThreshold, LinearLayoutManager layoutManager) { 19 | this.visibleThreshold = visibleThreshold; 20 | this.layoutManager = layoutManager; 21 | } 22 | 23 | public void setOnLoadMoreListener(OnLoadMoreListener onLoadMoreListener) { 24 | this.onLoadMoreListener = onLoadMoreListener; 25 | } 26 | 27 | @Override 28 | public void onScrolled(RecyclerView recyclerView, int dx, int dy) { 29 | super.onScrolled(recyclerView, dx, dy); 30 | 31 | int firstVisibleItem = layoutManager.findFirstVisibleItemPosition(); 32 | int visibleItemCount = recyclerView.getChildCount(); 33 | int totalItemCount = layoutManager.getItemCount(); 34 | 35 | // Adjust in order to display the ProgressBar in GridLayoutManager 36 | if (loading && totalItemCount > previousTotal + 1) { 37 | loading = false; 38 | previousTotal = totalItemCount; 39 | } 40 | 41 | if (!loading && (totalItemCount - visibleItemCount) <= (firstVisibleItem + visibleThreshold)) { 42 | currentPage++; 43 | loading = true; 44 | if (onLoadMoreListener != null) { 45 | recyclerView.post(() -> onLoadMoreListener.onLoadMore(currentPage)); 46 | } 47 | } 48 | } 49 | 50 | public void onRefresh() { 51 | loading = true; 52 | previousTotal = 0; 53 | currentPage = 1; 54 | } 55 | 56 | } -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 12 | set DEFAULT_JVM_OPTS= 13 | 14 | set DIRNAME=%~dp0 15 | if "%DIRNAME%" == "" set DIRNAME=. 16 | set APP_BASE_NAME=%~n0 17 | set APP_HOME=%DIRNAME% 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windowz variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | if "%@eval[2+2]" == "4" goto 4NT_args 53 | 54 | :win9xME_args 55 | @rem Slurp the command line arguments. 56 | set CMD_LINE_ARGS= 57 | set _SKIP=2 58 | 59 | :win9xME_args_slurp 60 | if "x%~1" == "x" goto execute 61 | 62 | set CMD_LINE_ARGS=%* 63 | goto execute 64 | 65 | :4NT_args 66 | @rem Get arguments from the 4NT Shell from JP Software 67 | set CMD_LINE_ARGS=%$ 68 | 69 | :execute 70 | @rem Setup the command line 71 | 72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 73 | 74 | @rem Execute Gradle 75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 76 | 77 | :end 78 | @rem End local scope for the variables with windows NT shell 79 | if "%ERRORLEVEL%"=="0" goto mainEnd 80 | 81 | :fail 82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 83 | rem the _cmd.exe /c_ return code! 84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 85 | exit /b 1 86 | 87 | :mainEnd 88 | if "%OS%"=="Windows_NT" endlocal 89 | 90 | :omega 91 | -------------------------------------------------------------------------------- /app/src/main/java/info/nissiy/gridlayoutsample/PhotoGridAdapter.java: -------------------------------------------------------------------------------- 1 | package info.nissiy.gridlayoutsample; 2 | 3 | import android.content.Context; 4 | import android.support.annotation.NonNull; 5 | import android.support.v7.widget.AppCompatImageView; 6 | import android.support.v7.widget.RecyclerView; 7 | import android.view.LayoutInflater; 8 | import android.view.ViewGroup; 9 | import android.widget.FrameLayout; 10 | 11 | import com.squareup.picasso.Picasso; 12 | 13 | import java.util.List; 14 | 15 | public class PhotoGridAdapter extends RecyclerBaseAdapter { 16 | private Context context; 17 | private LayoutInflater inflater; 18 | private int imageSize; 19 | 20 | public PhotoGridAdapter(@NonNull Context context, @NonNull List items, int spanCount) { 21 | super(items); 22 | this.context = context; 23 | inflater = LayoutInflater.from(context); 24 | int unitMargin = context.getResources().getDimensionPixelSize(R.dimen.unit_margin); 25 | int widthPixels = context.getResources().getDisplayMetrics().widthPixels; 26 | imageSize = (widthPixels - (spanCount - 1) * unitMargin) / spanCount; 27 | } 28 | 29 | @Override 30 | public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { 31 | RecyclerView.ViewHolder viewHolder; 32 | if (viewType == TYPE_ITEM) { 33 | FrameLayout view = (FrameLayout) inflater.inflate(R.layout.photo_layout, parent, false); 34 | viewHolder = new PhotoLayoutHolder(view); 35 | } else { 36 | FrameLayout view = (FrameLayout) inflater.inflate(R.layout.progress_bar_layout, parent, false); 37 | viewHolder = new ProgressBarLayoutHolder(view); 38 | } 39 | return viewHolder; 40 | } 41 | 42 | @Override 43 | public void onBindViewHolder(final RecyclerView.ViewHolder holder, final int position) { 44 | if (holder instanceof PhotoLayoutHolder) { 45 | Photo photo = (Photo) objects.get(position); 46 | AppCompatImageView photoImageView = ((PhotoLayoutHolder) holder).photoImageView; 47 | photoImageView.setLayoutParams(new FrameLayout.LayoutParams(imageSize, imageSize)); 48 | Picasso.with(context).load(photo.drawableResId).into(photoImageView); 49 | } 50 | } 51 | 52 | @Override 53 | public int getItemViewType(int position) { 54 | final Object object = objects.get(position); 55 | if (object instanceof ProgressStub) { 56 | return TYPE_PROG; 57 | } else { 58 | return TYPE_ITEM; 59 | } 60 | } 61 | 62 | public final class PhotoLayoutHolder extends RecyclerView.ViewHolder { 63 | public final AppCompatImageView photoImageView; 64 | 65 | public PhotoLayoutHolder(FrameLayout view) { 66 | super(view); 67 | photoImageView = (AppCompatImageView) view.findViewById(R.id.photo_image_view); 68 | } 69 | } 70 | 71 | } 72 | -------------------------------------------------------------------------------- /app/src/main/java/info/nissiy/gridlayoutsample/MainActivity.java: -------------------------------------------------------------------------------- 1 | package info.nissiy.gridlayoutsample; 2 | 3 | import android.content.res.Resources; 4 | import android.os.Handler; 5 | import android.support.v4.widget.SwipeRefreshLayout; 6 | import android.support.v7.app.ActionBar; 7 | import android.support.v7.app.AppCompatActivity; 8 | import android.os.Bundle; 9 | import android.support.v7.widget.RecyclerView; 10 | import android.support.v7.widget.Toolbar; 11 | 12 | import java.util.ArrayList; 13 | 14 | public class MainActivity extends AppCompatActivity 15 | implements SwipeRefreshLayout.OnRefreshListener, EndlessScrollListener.OnLoadMoreListener { 16 | private static Handler handler = new Handler(); 17 | private SwipeRefreshLayout swipeRefreshLayout; 18 | private Resources res; 19 | private PhotoGridAdapter adapter; 20 | private EndlessScrollListener scrollListener; 21 | 22 | @Override 23 | protected void onCreate(Bundle savedInstanceState) { 24 | super.onCreate(savedInstanceState); 25 | setContentView(R.layout.activity_main); 26 | 27 | Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); 28 | RecyclerView recyclerView = (RecyclerView) findViewById(R.id.recycler_view); 29 | swipeRefreshLayout = (SwipeRefreshLayout) findViewById(R.id.swipe_refresh_layout); 30 | res = getResources(); 31 | 32 | setSupportActionBar(toolbar); 33 | ActionBar actionBar = getSupportActionBar(); 34 | if (actionBar != null) { 35 | actionBar.setTitle(getString(R.string.app_name)); 36 | } 37 | 38 | int spanCount = 2; 39 | if (Util.isLandscape(getApplicationContext())) { 40 | spanCount = 3; 41 | } 42 | 43 | adapter = new PhotoGridAdapter(this, new ArrayList<>(), spanCount); 44 | GridWithProgressLayoutManager layoutManager = new GridWithProgressLayoutManager(this, spanCount, adapter); 45 | scrollListener = new EndlessScrollListener(1, layoutManager); 46 | scrollListener.setOnLoadMoreListener(this); 47 | 48 | int unitMargin = res.getDimensionPixelSize(R.dimen.unit_margin); 49 | recyclerView.setLayoutManager(layoutManager); 50 | recyclerView.addOnScrollListener(scrollListener); 51 | recyclerView.addItemDecoration(new GridSpacingItemDecoration(spanCount, unitMargin)); 52 | recyclerView.setAdapter(adapter); 53 | 54 | swipeRefreshLayout.setColorSchemeResources(R.color.color_primary); 55 | swipeRefreshLayout.setOnRefreshListener(this); 56 | loadData(1); 57 | } 58 | 59 | @Override 60 | public void onLoadMore(int currentPage) { 61 | loadData(currentPage); 62 | } 63 | 64 | private void loadData(final int page) { 65 | // Set the Stub for display the ProgressBar 66 | ProgressStub progressStub = new ProgressStub(); 67 | if (page > 1) { 68 | adapter.add(progressStub); 69 | } 70 | 71 | handler.postDelayed(() -> { 72 | // Remove the Stub 73 | if (page > 1) { 74 | adapter.remove(progressStub); 75 | } 76 | 77 | if (swipeRefreshLayout.isRefreshing()) { 78 | swipeRefreshLayout.setRefreshing(false); 79 | } 80 | 81 | int startNum = 10 * (page - 1); 82 | int endNum = 10 * page - 1; 83 | for (; startNum <= endNum; startNum++) { 84 | int suffix = startNum % 8; 85 | int drawableResId = res.getIdentifier("photo" + suffix, "drawable", getPackageName()); 86 | adapter.add(new Photo(drawableResId)); 87 | } 88 | }, 2000); 89 | } 90 | 91 | @Override 92 | public void onRefresh() { 93 | adapter.clear(); 94 | scrollListener.onRefresh(); 95 | 96 | loadData(1); 97 | } 98 | 99 | } 100 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env bash 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 10 | DEFAULT_JVM_OPTS="" 11 | 12 | APP_NAME="Gradle" 13 | APP_BASE_NAME=`basename "$0"` 14 | 15 | # Use the maximum available, or set MAX_FD != -1 to use that value. 16 | MAX_FD="maximum" 17 | 18 | warn ( ) { 19 | echo "$*" 20 | } 21 | 22 | die ( ) { 23 | echo 24 | echo "$*" 25 | echo 26 | exit 1 27 | } 28 | 29 | # OS specific support (must be 'true' or 'false'). 30 | cygwin=false 31 | msys=false 32 | darwin=false 33 | case "`uname`" in 34 | CYGWIN* ) 35 | cygwin=true 36 | ;; 37 | Darwin* ) 38 | darwin=true 39 | ;; 40 | MINGW* ) 41 | msys=true 42 | ;; 43 | esac 44 | 45 | # Attempt to set APP_HOME 46 | # Resolve links: $0 may be a link 47 | PRG="$0" 48 | # Need this for relative symlinks. 49 | while [ -h "$PRG" ] ; do 50 | ls=`ls -ld "$PRG"` 51 | link=`expr "$ls" : '.*-> \(.*\)$'` 52 | if expr "$link" : '/.*' > /dev/null; then 53 | PRG="$link" 54 | else 55 | PRG=`dirname "$PRG"`"/$link" 56 | fi 57 | done 58 | SAVED="`pwd`" 59 | cd "`dirname \"$PRG\"`/" >/dev/null 60 | APP_HOME="`pwd -P`" 61 | cd "$SAVED" >/dev/null 62 | 63 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 64 | 65 | # Determine the Java command to use to start the JVM. 66 | if [ -n "$JAVA_HOME" ] ; then 67 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 68 | # IBM's JDK on AIX uses strange locations for the executables 69 | JAVACMD="$JAVA_HOME/jre/sh/java" 70 | else 71 | JAVACMD="$JAVA_HOME/bin/java" 72 | fi 73 | if [ ! -x "$JAVACMD" ] ; then 74 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 75 | 76 | Please set the JAVA_HOME variable in your environment to match the 77 | location of your Java installation." 78 | fi 79 | else 80 | JAVACMD="java" 81 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 82 | 83 | Please set the JAVA_HOME variable in your environment to match the 84 | location of your Java installation." 85 | fi 86 | 87 | # Increase the maximum file descriptors if we can. 88 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then 89 | MAX_FD_LIMIT=`ulimit -H -n` 90 | if [ $? -eq 0 ] ; then 91 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 92 | MAX_FD="$MAX_FD_LIMIT" 93 | fi 94 | ulimit -n $MAX_FD 95 | if [ $? -ne 0 ] ; then 96 | warn "Could not set maximum file descriptor limit: $MAX_FD" 97 | fi 98 | else 99 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 100 | fi 101 | fi 102 | 103 | # For Darwin, add options to specify how the application appears in the dock 104 | if $darwin; then 105 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 106 | fi 107 | 108 | # For Cygwin, switch paths to Windows format before running java 109 | if $cygwin ; then 110 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 111 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 112 | JAVACMD=`cygpath --unix "$JAVACMD"` 113 | 114 | # We build the pattern for arguments to be converted via cygpath 115 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 116 | SEP="" 117 | for dir in $ROOTDIRSRAW ; do 118 | ROOTDIRS="$ROOTDIRS$SEP$dir" 119 | SEP="|" 120 | done 121 | OURCYGPATTERN="(^($ROOTDIRS))" 122 | # Add a user-defined pattern to the cygpath arguments 123 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 124 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 125 | fi 126 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 127 | i=0 128 | for arg in "$@" ; do 129 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 130 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 131 | 132 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 133 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 134 | else 135 | eval `echo args$i`="\"$arg\"" 136 | fi 137 | i=$((i+1)) 138 | done 139 | case $i in 140 | (0) set -- ;; 141 | (1) set -- "$args0" ;; 142 | (2) set -- "$args0" "$args1" ;; 143 | (3) set -- "$args0" "$args1" "$args2" ;; 144 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 145 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 146 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 147 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 148 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 149 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 150 | esac 151 | fi 152 | 153 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules 154 | function splitJvmOpts() { 155 | JVM_OPTS=("$@") 156 | } 157 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS 158 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" 159 | 160 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" 161 | -------------------------------------------------------------------------------- /LICENSE.txt: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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