implemented adapter class for app drawer screen

.idea/misc.xml

@@ -24,7 +24,7 @@
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

app/build.gradle

@@ -25,6 +25,7 @@ dependencies {
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    implementation "com.android.support:recyclerview-v7:27.1.1"
     implementation 'com.android.support:design:27.1.1'
     implementation 'com.android.support:cardview-v7:27.1.1'
 }

app/src/main/java/com/nexdev/enyason/androidlauncherapplication/AppInfo.java

@@ -0,0 +1,14 @@
+package com.nexdev.enyason.androidlauncherapplication;
+
+import android.graphics.drawable.Drawable;
+
+/**
+ * Created by enyason on 7/29/18.
+ */
+
+class AppInfo {
+
+    CharSequence label;
+    CharSequence packageName;
+    Drawable icon;
+}

app/src/main/java/com/nexdev/enyason/androidlauncherapplication/AppsDrawerAdapter.java

@@ -0,0 +1,120 @@
+package com.nexdev.enyason.androidlauncherapplication;
+
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.graphics.drawable.Drawable;
+import android.speech.tts.TextToSpeech;
+import android.support.v7.widget.RecyclerView;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+import java.util.Locale;
+
+/**
+ * Created by Enyason on 3/5/2018.
+ */
+
+public class AppsDrawerAdapter extends RecyclerView.Adapter<AppsDrawerAdapter.ViewHolder> {
+
+    private static Context context;
+    private static List<AppInfo> appsList;
+
+
+    public AppsDrawerAdapter(Context c ) {
+
+        //This is where we build our list of app details, using the app
+        //object we created to store the label, package name and icon
+
+        context = c;
+        setUpApps();
+
+
+    }
+
+    public static void setUpApps(){
+
+        PackageManager pManager = context.getPackageManager();
+        appsList = new ArrayList<AppInfo>();
+
+        Intent i = new Intent(Intent.ACTION_MAIN, null);
+        i.addCategory(Intent.CATEGORY_LAUNCHER);
+
+        List<ResolveInfo> allApps = pManager.queryIntentActivities(i, 0);
+        for (ResolveInfo ri : allApps) {
+            AppInfo app = new AppInfo();
+            app.label = ri.loadLabel(pManager);
+            app.packageName = ri.activityInfo.packageName;
+
+            Log.i(" Log package ",app.packageName.toString());
+            app.icon = ri.activityInfo.loadIcon(pManager);
+            appsList.add(app);
+
+        }
+
+    }
+
+    @Override
+    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+        //This is what adds the code we've written in here to our target view
+        LayoutInflater inflater = LayoutInflater.from(parent.getContext());
+
+        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_row_view_list, parent, false);
+
+
+        return new ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(ViewHolder holder, int position) {
+
+
+        String appLabel = appsList.get(position).label.toString();
+        String appPackage = appsList.get(position).packageName.toString();
+        Drawable appIcon = appsList.get(position).icon;
+
+        TextView textView = holder.textView;
+        textView.setText(appLabel);
+        ImageView imageView = holder.img;
+        imageView.setImageDrawable(appIcon);
+    }
+
+    @Override
+    public int getItemCount() {
+        return appsList.size();
+    }
+
+
+
+    public class ViewHolder extends RecyclerView.ViewHolder {
+
+        TextToSpeech textToSpeech;
+        public TextView textView;
+        public ImageView img;
+
+        public ViewHolder(View itemView) {
+            super(itemView);
+
+            //Finds the views from our row.xml
+            textView = (TextView) itemView.findViewById(R.id.tv_app_name);
+            img = (ImageView) itemView.findViewById(R.id.app_icon);
+
+
+
+        }
+
+
+    }
+}
+
+

app/src/main/java/com/nexdev/enyason/androidlauncherapplication/MainActivity.java

@@ -33,4 +33,11 @@ public class MainActivity extends AppCompatActivity {
 
         return false;
     }
+
+    @Override
+    public void onBackPressed() {
+        super.onBackPressed();
+
+//        Fragment fragment = getSupportFragmentManager().findFragmentById(R.id.fr)
+    }
 }

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

@@ -14,22 +14,13 @@
         android:layout_height="match_parent">
 
 
-        <RelativeLayout
-            android:layout_width="match_parent"
-            android:layout_height="match_parent">
+       <android.support.v7.widget.RecyclerView
+           android:id="@+id/appDrawer_recylerView"
+           android:layout_width="match_parent"
+           android:layout_height="match_parent">
 
 
-            <TextView
-                android:textColor="#000"
-                android:textStyle="bold"
-                android:layout_centerInParent="true"
-                android:text="Apps Drawer"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content" />
-
-
-
-        </RelativeLayout>
+       </android.support.v7.widget.RecyclerView>
 
     </android.support.v7.widget.CardView>
 

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

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="wrap_content"
+    android:clickable="false"
+    android:layout_height="wrap_content">
+
+
+    <LinearLayout
+        android:clickable="false"
+        android:layout_marginTop="16dp"
+        android:layout_width="match_parent"
+        android:layout_marginLeft="25dp"
+        android:orientation="horizontal"
+        android:layout_height="wrap_content">
+
+
+        <ImageView
+            android:src="@mipmap/ic_launcher"
+            android:id="@+id/app_icon"
+            android:clickable="false"
+            android:layout_width="48dp"
+            android:scaleType="centerCrop"
+            android:layout_height="48dp" />
+
+
+        <TextView
+            android:layout_marginLeft="16dp"
+            android:layout_width="wrap_content"
+            android:text="Chrome"
+            android:clickable="false"
+            android:lines="1"
+            android:textSize="12sp"
+            android:layout_gravity="center_vertical"
+            android:ellipsize="end"
+            android:fontFamily="sans-serif-medium"
+            android:layout_height="wrap_content"
+            android:id="@+id/tv_app_name"/>
+
+    </LinearLayout>
+</RelativeLayout>