Add RecyclerItemClickListener to RecyclerViewExample

Upgrade gradle build and RecyclerViewExample to use API 22

Author: Albert Lo

build.gradle

@@ -7,8 +7,14 @@ buildscript {
             url "https://jitpack.io"
         }
     }
+    ext {
+        // define common dependencies that will be shared across multiple projects
+        libraries = [
+                recyclerViewLib: 'com.android.support:recyclerview-v7:22.2.1'
+        ]
+    }
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.0.0'
+        classpath 'com.android.tools.build:gradle:1.1.3'
         classpath 'com.github.dcendents:android-maven-plugin:1.2'
 
         // NOTE: Do not place your application dependencies here; they belong

demo/build.gradle

@@ -26,7 +26,7 @@ android {
 
 dependencies {
     compile project(":library")
-    compile 'com.android.support:recyclerview-v7:21.0.0'
+    compile rootProject.ext.libraries.recyclerViewLib
     compile 'com.daimajia.easing:library:1.0.0@aar'
     compile 'com.daimajia.androidanimations:library:1.1.2@aar'
     compile 'com.nineoldandroids:library:2.4.0'

demo/src/main/java/com/daimajia/swipedemo/RecyclerViewExample.java

@@ -10,18 +10,21 @@
 import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
+import android.view.View;
+import android.widget.Toast;
 
 import com.daimajia.swipe.util.Attributes;
 import com.daimajia.swipedemo.adapter.RecyclerViewAdapter;
 import com.daimajia.swipedemo.adapter.util.DividerItemDecoration;
+import com.daimajia.swipedemo.adapter.util.RecyclerItemClickListener;
 
 import java.util.ArrayList;
 import java.util.Arrays;
 
 import jp.wasabeef.recyclerview.animators.FadeInLeftAnimator;
 
 public class RecyclerViewExample extends Activity {
-
+    private static final String TAG = RecyclerViewExample.class.getSimpleName();
     /**
      * RecyclerView: The new recycler view replaces the list view. Its more modular and therefore we
      * must implement some of the functionality ourselves and attach it to our recyclerview.
@@ -44,7 +47,7 @@ protected void onCreate(Bundle savedInstanceState) {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
             ActionBar actionBar = getActionBar();
             if (actionBar != null) {
-                actionBar.setTitle("RecyclerView");
+                actionBar.setTitle(TAG);
             }
         }
 
@@ -54,6 +57,18 @@ protected void onCreate(Bundle savedInstanceState) {
         // Item Decorator:
         recyclerView.addItemDecoration(new DividerItemDecoration(getResources().getDrawable(R.drawable.divider)));
         recyclerView.setItemAnimator(new FadeInLeftAnimator());
+        recyclerView.addOnItemTouchListener(new RecyclerItemClickListener(recyclerView,
+                                                                          new RecyclerItemClickListener.OnItemClickListener() {
+            @Override
+            public void onItemClick(View view, int position) {
+                Log.i(TAG, "onItemClick: " + position);
+            }
+
+            @Override
+            public void onItemLongClick(View view, int position) {
+                Toast.makeText(view.getContext(), "onItemLongClick: " + position, Toast.LENGTH_LONG).show();
+            }
+        }));
 
         // Adapter:
         String[] adapterData = new String[]{"Alabama", "Alaska", "Arizona", "Arkansas", "California", "Colorado", "Connecticut", "Delaware", "Florida", "Georgia", "Hawaii", "Idaho", "Illinois", "Indiana", "Iowa", "Kansas", "Kentucky", "Louisiana", "Maine", "Maryland", "Massachusetts", "Michigan", "Minnesota", "Mississippi", "Missouri", "Montana", "Nebraska", "Nevada", "New Hampshire", "New Jersey", "New Mexico", "New York", "North Carolina", "North Dakota", "Ohio", "Oklahoma", "Oregon", "Pennsylvania", "Rhode Island", "South Carolina", "South Dakota", "Tennessee", "Texas", "Utah", "Vermont", "Virginia", "Washington", "West Virginia", "Wisconsin", "Wyoming"};
@@ -63,7 +78,7 @@ protected void onCreate(Bundle savedInstanceState) {
         recyclerView.setAdapter(mAdapter);
 
         /* Listeners */
-        recyclerView.setOnScrollListener(onScrollListener);
+        recyclerView.addOnScrollListener(onScrollListener);
     }
 
     /**
@@ -73,7 +88,7 @@ protected void onCreate(Bundle savedInstanceState) {
         @Override
         public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
             super.onScrollStateChanged(recyclerView, newState);
-            Log.e("ListView", "onScrollStateChanged");
+            Log.i(TAG, "onScrollStateChanged");
         }
 
         @Override

demo/src/main/java/com/daimajia/swipedemo/adapter/util/RecyclerItemClickListener.java

@@ -1,40 +1,60 @@
 package com.daimajia.swipedemo.adapter.util;
 
-import android.content.Context;
 import android.support.v7.widget.RecyclerView;
+import android.util.Log;
 import android.view.GestureDetector;
 import android.view.MotionEvent;
 import android.view.View;
 
 public class RecyclerItemClickListener implements RecyclerView.OnItemTouchListener {
+    private static final String TAG = RecyclerItemClickListener.class.getSimpleName();
     private OnItemClickListener mListener;
+    private boolean disallowIntercept;
 
     public interface OnItemClickListener {
         public void onItemClick(View view, int position);
+        public void onItemLongClick(View view, int position);
     }
 
     GestureDetector mGestureDetector;
 
-    public RecyclerItemClickListener(Context context, OnItemClickListener listener) {
+    public RecyclerItemClickListener(final RecyclerView recyclerView, OnItemClickListener listener) {
         mListener = listener;
-        mGestureDetector = new GestureDetector(context, new GestureDetector.SimpleOnGestureListener() {
+        mGestureDetector = new GestureDetector(recyclerView.getContext(), new GestureDetector.SimpleOnGestureListener() {
             @Override
             public boolean onSingleTapUp(MotionEvent e) {
                 return true;
             }
+
+            @Override
+            public void onLongPress(MotionEvent e) {
+                View childView = recyclerView.findChildViewUnder(e.getX(), e.getY());
+                if (childView != null && mListener != null ) {
+                    mListener.onItemLongClick(childView, recyclerView.getChildLayoutPosition(childView));
+                }
+            }
         });
     }
 
     @Override
     public boolean onInterceptTouchEvent(RecyclerView view, MotionEvent e) {
-        View childView = view.findChildViewUnder(e.getX(), e.getY());
-        if (childView != null && mListener != null && mGestureDetector.onTouchEvent(e)) {
-            mListener.onItemClick(childView, view.getChildPosition(childView));
+        Log.i(TAG, "onInterceptTouchEvent: " + disallowIntercept);
+        if (!disallowIntercept) {
+            View childView = view.findChildViewUnder(e.getX(), e.getY());
+            if (childView != null && mListener != null && mGestureDetector.onTouchEvent(e)) {
+                mListener.onItemClick(childView, view.getChildLayoutPosition(childView));
+
+            }
         }
         return false;
     }
 
     @Override
     public void onTouchEvent(RecyclerView view, MotionEvent motionEvent) {
     }
+
+    @Override
+    public void onRequestDisallowInterceptTouchEvent(boolean disallowIntercept) {
+        this.disallowIntercept = disallowIntercept;
+    }
 }

library/build.gradle

@@ -5,14 +5,14 @@ android {
     buildToolsVersion project.ANDROID_BUILD_TOOLS_VERSION
 
     defaultConfig {
-        minSdkVersion 8
+        minSdkVersion Integer.parseInt(project.ANDROID_BUILD_MIN_SDK_VERSION)
         targetSdkVersion Integer.parseInt(project.ANDROID_BUILD_TARGET_SDK_VERSION)
     }
 }
 
 dependencies {
-    compile 'com.android.support:recyclerview-v7:21.0.0'
-    compile 'com.android.support:support-v4:22.1.1'
+    compile rootProject.ext.libraries.recyclerViewLib
+    compile 'com.android.support:support-v4:22.2.1'
 }
 apply from: './gradle-mvn-push.gradle'