Android - People - Sliding panel (for users actions)

android/app/build.gradle

@@ -144,5 +144,7 @@ dependencies {
     compile 'com.squareup.retrofit2:converter-gson:2.4.0'
     implementation 'com.squareup.picasso:picasso:2.71828'
 
+    compile 'com.sothree.slidinguppanel:library:3.4.0'
+
     implementation fileTree(include: ['*.jar'], dir: 'libs')
 }

android/app/src/main/java/io/highfidelity/hifiinterface/MainActivity.java

@@ -150,7 +150,8 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
     private void loadFragment(Fragment fragment, String title, boolean addToBackStack) {
         FragmentManager fragmentManager = getFragmentManager();
         FragmentTransaction ft = fragmentManager.beginTransaction();
-        ft.replace(R.id.content_frame, fragment);
+        ft.replace(R.id.content_frame, fragment, getString(R.string.tagFragmentPeople));
+
         if (addToBackStack) {
             ft.addToBackStack(title);
         }
@@ -297,6 +298,15 @@ public class MainActivity extends AppCompatActivity implements NavigationView.On
 
     @Override
     public void onBackPressed() {
+        // if a fragment needs to internally manage back presses..
+        FragmentManager fm = getFragmentManager();
+        Fragment friendsFragment = fm.findFragmentByTag(getString(R.string.tagFragmentPeople));
+        if (friendsFragment != null && friendsFragment instanceof FriendsFragment) {
+            if (((FriendsFragment) friendsFragment).onBackPressed()) {
+                return;
+            }
+        }
+
         int index = getFragmentManager().getBackStackEntryCount() - 1;
         if (index > 0) {
             super.onBackPressed();

android/app/src/main/java/io/highfidelity/hifiinterface/fragment/FriendsFragment.java

@@ -10,6 +10,8 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
+import com.sothree.slidinguppanel.SlidingUpPanelLayout;
+
 import io.highfidelity.hifiinterface.R;
 import io.highfidelity.hifiinterface.view.UserListAdapter;
 
@@ -20,7 +22,9 @@ public class FriendsFragment extends Fragment {
     public native String nativeGetAccessToken();
 
     private RecyclerView mUsersView;
+    private View mUserActions;
     private UserListAdapter mUsersAdapter;
+    private SlidingUpPanelLayout mSlidingUpPanelLayout;
 
     public FriendsFragment() {
         // Required empty public constructor
@@ -45,9 +49,44 @@ public class FriendsFragment extends Fragment {
         GridLayoutManager gridLayoutMgr = new GridLayoutManager(getContext(), numberOfColumns);
         mUsersView.setLayoutManager(gridLayoutMgr);
         mUsersAdapter = new UserListAdapter(getContext(), accessToken);
+
+        mUserActions = rootView.findViewById(R.id.userActionsLayout);
+
+        mSlidingUpPanelLayout = rootView.findViewById(R.id.sliding_layout);
+        mSlidingUpPanelLayout.setPanelHeight(0);
+        mUsersAdapter.setClickListener(new UserListAdapter.ItemClickListener() {
+            @Override
+            public void onItemClick(View view, int position, UserListAdapter.User user) {
+                // 1. 'select' user
+                // ..
+                // 2. adapt options
+                // ..
+                // 3. show
+                mSlidingUpPanelLayout.setPanelState(SlidingUpPanelLayout.PanelState.EXPANDED);
+            }
+        });
         mUsersView.setAdapter(mUsersAdapter);
 
+        mSlidingUpPanelLayout.setFadeOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                mSlidingUpPanelLayout.setPanelState(SlidingUpPanelLayout.PanelState.COLLAPSED);
+            }
+        });
+
         return rootView;
     }
 
+    /**
+     * Processes the back pressed event and returns true if it was managed by this Fragment
+     * @return
+     */
+    public boolean onBackPressed() {
+        if (mSlidingUpPanelLayout.getPanelState().equals(SlidingUpPanelLayout.PanelState.EXPANDED)) {
+            mSlidingUpPanelLayout.setPanelState(SlidingUpPanelLayout.PanelState.COLLAPSED);
+            return true;
+        } else {
+            return false;
+        }
+    }
 }

android/app/src/main/java/io/highfidelity/hifiinterface/view/UserListAdapter.java

@@ -34,6 +34,7 @@ public class UserListAdapter extends RecyclerView.Adapter<UserListAdapter.ViewHo
     private LayoutInflater mInflater;
     private Context mContext;
     private List<User> mUsers = new ArrayList<>();
+    private ItemClickListener mClickListener;
 
     public UserListAdapter(Context c, String accessToken) {
         mContext = c;
@@ -99,7 +100,7 @@ public class UserListAdapter extends RecyclerView.Adapter<UserListAdapter.ViewHo
         return mUsers.size();
     }
 
-    public class ViewHolder extends RecyclerView.ViewHolder {
+    public class ViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
 
         TextView mUsername;
         TextView mOnline;
@@ -114,7 +115,23 @@ public class UserListAdapter extends RecyclerView.Adapter<UserListAdapter.ViewHo
             mImage = itemView.findViewById(R.id.userImage);
             mOnlineInfo = itemView.findViewById(R.id.userOnlineInfo);
             mLocation = itemView.findViewById(R.id.userLocation);
+            itemView.setOnClickListener(this);
         }
+
+        @Override
+        public void onClick(View view) {
+            int position = getAdapterPosition();
+            if (mClickListener != null) mClickListener.onItemClick(view, position, mUsers.get(position));
+        }
+    }
+
+    // allows clicks events to be caught
+    public void setClickListener(ItemClickListener itemClickListener) {
+        this.mClickListener = itemClickListener;
+    }
+
+    public interface ItemClickListener {
+        void onItemClick(View view, int position, User user);
     }
 
     public static class User {

android/app/src/main/res/layout/fragment_friends.xml

@@ -1,21 +1,29 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<com.sothree.slidinguppanel.SlidingUpPanelLayout xmlns:sothree="http://schemas.android.com/apk/res-auto"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/sliding_layout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="@color/backgroundLight">
+    android:gravity="bottom"
 
+    sothree:umanoShadowHeight="4dp"
+    android:background="@color/backgroundLight">
+<!--sothree:umanoPanelHeight="68dp"-->
     <android.support.v7.widget.RecyclerView
         android:id="@+id/rvUsers"
-        app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
         android:paddingTop="@dimen/list_vertical_padding"
         android:paddingBottom="@dimen/list_vertical_padding"
         android:clipToPadding="false"
-        android:layout_width="0dp"
+        android:layout_width="match_parent"
-        android:layout_height="0dp" />
+        android:layout_height="match_parent" />
 
-</android.support.constraint.ConstraintLayout>
+    <LinearLayout
+        android:id="@+id/userActionsLayout"
+        android:layout_width="match_parent"
+        android:layout_height="270dp"
+        android:orientation="vertical"
+        android:background="@color/backgroundDark"
+        >
+
+    </LinearLayout>
+</com.sothree.slidinguppanel.SlidingUpPanelLayout>

android/app/src/main/res/values/strings.xml

@@ -24,4 +24,7 @@
     <string name="privacyPolicy">Privacy Policy</string>
     <string name="your_last_location">Your Last Location</string>
     <string name="online">Online</string>
+
+    <!-- tags -->
+    <string name="tagFragmentPeople">tagFragmentPeople</string>
 </resources>

android/build.gradle

@@ -28,6 +28,7 @@ allprojects {
     repositories {
         jcenter()
         google()
+        mavenCentral()
     }
 }