Wallpapers Activity

app/build.gradle

@@ -40,4 +40,4 @@ dependencies {
 }
 
 
-apply plugin: 'com.google.gms.google-services'
+apply plugin: 'com.google.gms.google-services'

app/src/main/AndroidManifest.xml

@@ -14,10 +14,12 @@
             android:theme="@style/SplashScreen">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
+
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity android:name=".activities.HomeActivity"></activity>
+        <activity android:name=".activities.HomeActivity" />
+        <activity android:name=".activities.WallpapersActivity"></activity>
     </application>
 
 </manifest>

app/src/main/java/net/simplifiedcoding/wallpaperhub/activities/WallpapersActivity.java

@@ -0,0 +1,81 @@
+package net.simplifiedcoding.wallpaperhub.activities;
+
+import android.content.Intent;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.support.v7.widget.LinearLayoutManager;
+import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.Toolbar;
+import android.view.View;
+import android.widget.ProgressBar;
+
+import com.google.firebase.database.DataSnapshot;
+import com.google.firebase.database.DatabaseError;
+import com.google.firebase.database.DatabaseReference;
+import com.google.firebase.database.FirebaseDatabase;
+import com.google.firebase.database.ValueEventListener;
+
+import net.simplifiedcoding.wallpaperhub.R;
+import net.simplifiedcoding.wallpaperhub.adapters.WallpapersAdapter;
+import net.simplifiedcoding.wallpaperhub.models.Wallpaper;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class WallpapersActivity extends AppCompatActivity {
+
+    List<Wallpaper> wallpaperList;
+    RecyclerView recyclerView;
+    WallpapersAdapter adapter;
+
+    DatabaseReference dbWallpapers;
+    ProgressBar progressBar;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_wallpapers);
+
+        wallpaperList = new ArrayList<>();
+        recyclerView = findViewById(R.id.recycler_view);
+        recyclerView.setHasFixedSize(true);
+        recyclerView.setLayoutManager(new LinearLayoutManager(this));
+        adapter = new WallpapersAdapter(this, wallpaperList);
+
+        recyclerView.setAdapter(adapter);
+
+        progressBar = findViewById(R.id.progressbar);
+
+
+        Intent intent = getIntent();
+        String category = intent.getStringExtra("category");
+
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        toolbar.setTitle(category);
+        setSupportActionBar(toolbar);
+
+        dbWallpapers = FirebaseDatabase.getInstance().getReference("images")
+                .child(category);
+
+        progressBar.setVisibility(View.VISIBLE);
+        dbWallpapers.addListenerForSingleValueEvent(new ValueEventListener() {
+            @Override
+            public void onDataChange(DataSnapshot dataSnapshot) {
+                progressBar.setVisibility(View.GONE);
+                if(dataSnapshot.exists()){
+                    for(DataSnapshot wallpaperSnapshot: dataSnapshot.getChildren()){
+                        Wallpaper w = wallpaperSnapshot.getValue(Wallpaper.class);
+                        wallpaperList.add(w);
+                    }
+                    adapter.notifyDataSetChanged();
+                }
+            }
+
+            @Override
+            public void onCancelled(DatabaseError databaseError) {
+
+            }
+        });
+
+    }
+}

app/src/main/java/net/simplifiedcoding/wallpaperhub/adapters/CategoriesAdapter.java

@@ -1,6 +1,7 @@
 package net.simplifiedcoding.wallpaperhub.adapters;
 
 import android.content.Context;
+import android.content.Intent;
 import android.support.v7.widget.RecyclerView;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -11,6 +12,7 @@
 import com.bumptech.glide.Glide;
 
 import net.simplifiedcoding.wallpaperhub.R;
+import net.simplifiedcoding.wallpaperhub.activities.WallpapersActivity;
 import net.simplifiedcoding.wallpaperhub.models.Category;
 
 import java.util.List;
@@ -49,7 +51,7 @@ public int getItemCount() {
         return categoryList.size();
     }
 
-    class CategoryViewHolder extends RecyclerView.ViewHolder {
+    class CategoryViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
 
         TextView textView;
         ImageView imageView;
@@ -59,6 +61,19 @@ public CategoryViewHolder(View itemView) {
 
             textView = itemView.findViewById(R.id.text_view_cat_name);
             imageView = itemView.findViewById(R.id.image_view);
+
+            itemView.setOnClickListener(this);
+        }
+
+        @Override
+        public void onClick(View view) {
+            int p = getAdapterPosition();
+            Category c = categoryList.get(p);
+
+            Intent intent = new Intent(mCtx, WallpapersActivity.class);
+            intent.putExtra("category", c.name);
+
+            mCtx.startActivity(intent);
         }
     }
 }

app/src/main/java/net/simplifiedcoding/wallpaperhub/adapters/WallpapersAdapter.java

@@ -0,0 +1,65 @@
+package net.simplifiedcoding.wallpaperhub.adapters;
+
+import android.content.Context;
+import android.support.v7.widget.RecyclerView;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.bumptech.glide.Glide;
+
+import net.simplifiedcoding.wallpaperhub.R;
+import net.simplifiedcoding.wallpaperhub.models.Category;
+import net.simplifiedcoding.wallpaperhub.models.Wallpaper;
+
+import java.util.List;
+
+/**
+ * Created by Belal on 4/21/2018.
+ */
+
+public class WallpapersAdapter extends RecyclerView.Adapter<WallpapersAdapter.CategoryViewHolder> {
+
+    private Context mCtx;
+    private List<Wallpaper> wallpaperList;
+
+    public WallpapersAdapter(Context mCtx, List<Wallpaper> wallpaperList) {
+        this.mCtx = mCtx;
+        this.wallpaperList = wallpaperList;
+    }
+
+    @Override
+    public CategoryViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(mCtx).inflate(R.layout.recyclerview_wallpapers, parent, false);
+        return new CategoryViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(CategoryViewHolder holder, int position) {
+        Wallpaper w = wallpaperList.get(position);
+        holder.textView.setText(w.title);
+        Glide.with(mCtx)
+                .load(w.url)
+                .into(holder.imageView);
+    }
+
+    @Override
+    public int getItemCount() {
+        return wallpaperList.size();
+    }
+
+    class CategoryViewHolder extends RecyclerView.ViewHolder {
+
+        TextView textView;
+        ImageView imageView;
+
+        public CategoryViewHolder(View itemView) {
+            super(itemView);
+
+            textView = itemView.findViewById(R.id.text_view_title);
+            imageView = itemView.findViewById(R.id.image_view);
+        }
+    }
+}

app/src/main/java/net/simplifiedcoding/wallpaperhub/fragments/HomeFragment.java

@@ -9,6 +9,7 @@
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ProgressBar;
+import android.widget.Toast;
 
 import com.google.firebase.database.DataSnapshot;
 import com.google.firebase.database.DatabaseError;

app/src/main/java/net/simplifiedcoding/wallpaperhub/models/Wallpaper.java

@@ -0,0 +1,11 @@
+package net.simplifiedcoding.wallpaperhub.models;
+
+public class Wallpaper {
+
+    public String title, desc, url;
+
+    public Wallpaper(){
+
+    }
+
+}

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

@@ -0,0 +1,43 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.design.widget.CoordinatorLayout 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="match_parent"
+    tools:context=".activities.WallpapersActivity">
+
+    <android.support.design.widget.AppBarLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="@color/colorPrimary">
+
+        <android.support.v7.widget.Toolbar
+            android:id="@+id/toolbar"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            app:layout_scrollFlags="scroll|enterAlways"
+            app:title="@string/app_name"
+            app:titleTextColor="@color/colorTitle" />
+
+    </android.support.design.widget.AppBarLayout>
+
+    <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <android.support.v7.widget.RecyclerView
+            android:id="@+id/recycler_view"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+
+        <ProgressBar
+            android:id="@+id/progressbar"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_centerHorizontal="true"
+            android:layout_centerVertical="true"
+            android:visibility="gone" />
+
+    </RelativeLayout>
+
+</android.support.design.widget.CoordinatorLayout>

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

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.v7.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="270dp">
+
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+
+        <ImageView
+            android:scaleType="fitXY"
+            android:id="@+id/image_view"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+
+        <TextView
+            android:text="Marvel"
+            android:background="@color/colorCategoryBackground"
+            android:textColor="@color/colorWhite"
+            android:textAlignment="center"
+            android:textAppearance="@style/Base.TextAppearance.AppCompat.Medium"
+            android:layout_alignParentBottom="true"
+            android:id="@+id/text_view_title"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
+
+    </RelativeLayout>
+
+</android.support.v7.widget.CardView>

build.gradle

@@ -7,7 +7,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.1'
+        classpath 'com.android.tools.build:gradle:3.1.2'
 
 
         // NOTE: Do not place your application dependencies here; they belong

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Mon Apr 16 23:17:33 IST 2018
+#Fri Apr 27 11:21:06 IST 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip