🪲 bus base adapter.

app/build.gradle

@@ -76,6 +76,7 @@ dependencies {
 
     compile "com.android.support:appcompat-v7:$supportVersion"
     compile "com.android.support:design:$supportVersion"
+    compile "com.android.support:cardview-v7:$supportVersion"
 
     compile "com.jakewharton:butterknife:$butterknifeVersion"
     annotationProcessor "com.jakewharton:butterknife-compiler:$butterknifeVersion"

app/src/main/java/com/wisdomlanna/www/dagger2_mvp_example/ui/base/adapter/BaseItem.java

@@ -1,7 +1,7 @@
 package com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter;
 
 @org.parceler.Parcel(org.parceler.Parcel.Serialization.BEAN)
-class BaseItem {
+public class BaseItem {
 
     private int type;
 

app/src/main/java/com/wisdomlanna/www/dagger2_mvp_example/ui/base/adapter/BaseListAdapter.java

@@ -22,7 +22,7 @@ public BaseListAdapter(){
         presenter.setAdapter( this );
     }
 
-    abstract P createPresenter();
+    public abstract P createPresenter();
 
     @Override
     public P getPresenter(){

app/src/main/java/com/wisdomlanna/www/dagger2_mvp_example/ui/base/adapter/BaseListAdapterInterface.java

@@ -2,7 +2,7 @@
 
 import java.util.List;
 
-interface BaseListAdapterInterface {
+public interface BaseListAdapterInterface {
 
     interface Adapter {
         Presenter getPresenter();

app/src/main/java/com/wisdomlanna/www/dagger2_mvp_example/ui/base/adapter/BaseViewHolder.java

@@ -7,7 +7,7 @@
 
 import butterknife.ButterKnife;
 
-abstract class BaseViewHolder extends RecyclerView.ViewHolder {
+public abstract class BaseViewHolder extends RecyclerView.ViewHolder {
 
     public BaseViewHolder(ViewGroup parent, int layout) {
         super(LayoutInflater.from(parent.getContext()).inflate(layout, parent, false));

app/src/main/java/com/wisdomlanna/www/dagger2_mvp_example/ui/base/adapter/loadmore/LoadmoreAdapter.java

@@ -0,0 +1,44 @@
+package com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.loadmore;
+
+import android.view.ViewGroup;
+
+import com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.BaseItem;
+import com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.BaseItemType;
+import com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.BaseListAdapter;
+import com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.BaseViewHolder;
+import com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.progress.ProgressHolder;
+
+import java.util.List;
+
+public abstract class LoadmoreAdapter<VH extends BaseViewHolder, P extends LoadmoreAdapterInterface.Presenter>
+        extends BaseListAdapter<VH, P>
+        implements LoadmoreAdapterInterface.Adapter {
+
+    private OnLoadMoreListener loadMoreListener;
+
+    public void setOnLoadMoreListener(OnLoadMoreListener listener) {
+        this.loadMoreListener = listener;
+    }
+
+    public void setItems(List<BaseItem> items, boolean isNextItemAvailable) {
+        getPresenter().setItems(items, isNextItemAvailable);
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public VH onCreateViewHolder(ViewGroup parent, int viewType) {
+        if (viewType == BaseItemType.TYPE_PROGRESS) {
+            return (VH) new ProgressHolder(parent);
+        }
+        return null;
+    }
+
+    @Override
+    public void onBindViewHolder(VH holder, int position) {
+        if (getItemViewType(position) == BaseItemType.TYPE_PROGRESS) {
+            if (loadMoreListener != null) {
+                loadMoreListener.onLoadMore();
+            }
+        }
+    }
+}

app/src/main/java/com/wisdomlanna/www/dagger2_mvp_example/ui/base/adapter/loadmore/LoadmoreAdapterInterface.java

@@ -0,0 +1,18 @@
+package com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.loadmore;
+
+import com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.BaseItem;
+import com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.BaseListAdapterInterface;
+
+import java.util.List;
+
+public interface LoadmoreAdapterInterface {
+
+    interface Adapter extends BaseListAdapterInterface.Adapter {
+    }
+
+    interface Presenter<A extends LoadmoreAdapterInterface.Adapter>
+            extends BaseListAdapterInterface.Presenter<A> {
+        void setItems(List<BaseItem> items, boolean isNextItemAvailable);
+    }
+}
+

app/src/main/java/com/wisdomlanna/www/dagger2_mvp_example/ui/base/adapter/loadmore/LoadmoreAdapterPresenter.java

@@ -0,0 +1,46 @@
+package com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.loadmore;
+
+import com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.BaseItem;
+import com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.BaseItemType;
+import com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.BaseListAdapterPresenter;
+import com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.progress.ProgressItem;
+
+import java.util.List;
+
+public abstract class LoadmoreAdapterPresenter<A extends LoadmoreAdapterInterface.Adapter>
+        extends BaseListAdapterPresenter<A> implements LoadmoreAdapterInterface.Presenter<A> {
+
+    private boolean isNextItemAvailable;
+
+    @Override
+    public int getItemViewType(int pos) {
+        if (pos >= super.getItemCount()) {
+            return BaseItemType.TYPE_PROGRESS;
+        }
+        return super.getItemViewType(pos);
+    }
+
+    @Override
+    public int getItemCount() {
+        int count = super.getItemCount();
+        if (isNextItemAvailable) {
+            count++;
+        }
+        return count;
+    }
+
+
+    @Override
+    public BaseItem getItem(int pos) {
+        if (pos >= super.getItemCount()) {
+            return new ProgressItem();
+        }
+        return super.getItem(pos);
+    }
+
+    @Override
+    public void setItems(List<BaseItem> items, boolean isNextItemAvailable) {
+        super.setItems(items);
+        this.isNextItemAvailable = isNextItemAvailable;
+    }
+}

app/src/main/java/com/wisdomlanna/www/dagger2_mvp_example/ui/base/adapter/progress/ProgressHolder.java

@@ -0,0 +1,13 @@
+package com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.progress;
+
+import android.view.ViewGroup;
+
+import com.wisdomlanna.www.dagger2_mvp_example.R;
+import com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.BaseViewHolder;
+
+public class ProgressHolder extends BaseViewHolder {
+
+    public ProgressHolder(ViewGroup viewGroup) {
+        super(viewGroup, R.layout.holder_progress);
+    }
+}

app/src/main/java/com/wisdomlanna/www/dagger2_mvp_example/ui/base/adapter/progress/ProgressItem.java

@@ -0,0 +1,10 @@
+package com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.progress;
+
+import com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.BaseItem;
+import com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.BaseItemType;
+
+public class ProgressItem extends BaseItem {
+    public ProgressItem() {
+        super(BaseItemType.TYPE_PROGRESS);
+    }
+}

app/src/main/java/com/wisdomlanna/www/dagger2_mvp_example/ui/showlist/adapter/ShowListAdapter.java

@@ -0,0 +1,29 @@
+package com.wisdomlanna.www.dagger2_mvp_example.ui.showlist.adapter;
+
+import android.view.ViewGroup;
+
+import com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.BaseListAdapter;
+
+public class ShowListAdapter extends BaseListAdapter<ShowListViewHolder, ShowListPresenterInterface.Presenter>
+        implements ShowListPresenterInterface.Adapter {
+
+    @Override
+    public ShowListPresenterInterface.Presenter createPresenter() {
+        return ShowListAdapterPresenter.create();
+    }
+
+    @Override
+    public ShowListViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        return null;
+    }
+
+    @Override
+    public void onBindViewHolder(ShowListViewHolder holder, int position) {
+
+    }
+
+    @Override
+    public int getItemCount() {
+        return 0;
+    }
+}

app/src/main/java/com/wisdomlanna/www/dagger2_mvp_example/ui/showlist/adapter/ShowListAdapterPresenter.java

@@ -0,0 +1,11 @@
+package com.wisdomlanna.www.dagger2_mvp_example.ui.showlist.adapter;
+
+import com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.BaseListAdapterPresenter;
+
+class ShowListAdapterPresenter extends BaseListAdapterPresenter<ShowListPresenterInterface.Adapter>
+        implements ShowListPresenterInterface.Presenter {
+
+    public static ShowListPresenterInterface.Presenter create() {
+        return new ShowListAdapterPresenter();
+    }
+}

app/src/main/java/com/wisdomlanna/www/dagger2_mvp_example/ui/showlist/adapter/ShowListPresenterInterface.java

@@ -0,0 +1,14 @@
+package com.wisdomlanna.www.dagger2_mvp_example.ui.showlist.adapter;
+
+import com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.BaseListAdapterInterface;
+
+class ShowListPresenterInterface {
+
+    interface Adapter extends BaseListAdapterInterface.Adapter {
+
+    }
+
+    interface Presenter extends BaseListAdapterInterface.Presenter<ShowListPresenterInterface.Adapter> {
+
+    }
+}

app/src/main/java/com/wisdomlanna/www/dagger2_mvp_example/ui/showlist/adapter/ShowListViewHolder.java

@@ -0,0 +1,12 @@
+package com.wisdomlanna.www.dagger2_mvp_example.ui.showlist.adapter;
+
+import android.view.ViewGroup;
+
+import com.wisdomlanna.www.dagger2_mvp_example.ui.base.adapter.BaseViewHolder;
+
+class ShowListViewHolder extends BaseViewHolder {
+
+    public ShowListViewHolder(ViewGroup parent, int layout) {
+        super(parent, layout);
+    }
+}

app/src/main/res/layout/holder_progress.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.v7.widget.CardView
+    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"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:clipChildren="false"
+    android:clickable="true"
+    android:layout_marginEnd="@dimen/default_padding_margin_small"
+    app:cardPreventCornerOverlap="false"
+    app:cardUseCompatPadding="true">
+
+    <ProgressBar
+        android:layout_margin="@dimen/default_padding_margin"
+        android:layout_gravity="center"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"/>
+
+</android.support.v7.widget.CardView>

app/src/main/res/values/dimens.xml

@@ -2,4 +2,6 @@
     <!-- Default screen margins, per the Android Design guidelines. -->
     <dimen name="activity_horizontal_margin">16dp</dimen>
     <dimen name="activity_vertical_margin">16dp</dimen>
+    <dimen name="default_padding_margin_small">4dp</dimen>
+    <dimen name="default_padding_margin">8dp</dimen>
 </resources>