Veritcal List using RecyclerView Example in Android

activity_main.xml

<?xml version="1.0" encoding="utf-8"?><android.support.v7.widget.RecyclerView
android:id="@+id/recycler_view"
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@android:color/white"
android:layout_gravity="center"
/>

item_view.xml 

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:background="#efefef"

android:layout_margin="5dp">

<ImageView

android:id="@+id/item_icon"

android:layout_width="40dp"

android:layout_height="40dp"

android:layout_centerVertical="true"

android:layout_alignParentBottom="true"

android:layout_alignParentLeft="true"

android:layout_alignParentStart="true"

android:layout_alignParentTop="true"

android:layout_marginRight="6dip"

android:src="@android:drawable/ic_notification_overlay"/>

<LinearLayout

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_toRightOf="@id/item_icon"

android:layout_centerVertical="true"

android:layout_margin="5dp"

android:padding="5dp"

android:background="@android:color/white"

android:orientation="vertical">

<TextView

android:id="@+id/item_text"

android:layout_width="match_parent"

android:layout_height="26dp"

android:ellipsize="marquee"

android:singleLine="true"

android:textColor="@android:color/black"

android:textSize="16sp"/>

<TextView

android:id="@+id/item_text2"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:text=":)"

android:textColor="@android:color/holo_blue_bright"

android:textSize="12sp"/>

</LinearLayout>

</RelativeLayout>

MyRecyclerHolder.java

 package com.rajeshvijayakumar.recycler;

import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;

public class MyRecyclerHolder extends RecyclerView.ViewHolder {

 

public TextView textView;

public ImageView imageView;

public TextView textView2;

 

    public MyRecyclerHolder(View view) {

      super(view);

      this.imageView = (ImageView) view.findViewById(R.id.item_icon);

      this.textView = (TextView) view.findViewById(R.id.item_text);

      this.textView2 =(TextView) view.findViewById(R.id.item_text2);

    }

}

MyRecyclerAdapter.java

package com.rajeshvijayakumar.recycler;

import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

public class MyRecyclerAdapter extends RecyclerView.Adapter<MyRecyclerHolder> {

String[] menus;
Context adapContext; public MyRecyclerAdapter(Context context, String[] menu) { adapContext = context; menus = menu;
} @Override
public MyRecyclerHolder onCreateViewHolder(ViewGroup viewGroup, int i) {
View view = LayoutInflater.from(viewGroup.getContext()).inflate(
R.layout.item, null);
MyRecyclerHolder viewHolder = new MyRecyclerHolder(view); return viewHolder;
} @Override
public void onBindViewHolder(MyRecyclerHolder viewHolder, int i) { // int length = (menus != null && menus.length > 0) ? menus.length : 0; if (i < length) {
viewHolder.textView.setText(menus[i]);
}
} @Override
public int getItemCount() { return (null != menus ? menus.length : 0);
} //

}

RecyclerDemoActivity.java

package com.rajeshvijayakumar.recycler;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;

public class RecyclerDemoActivity extends AppCompatActivity {

private RecyclerView mRecyclerView;
private MyRecyclerAdapter adapter;
private String[] menus = { "item1", "item2", "item3", "item4", "item5", "item6", "item7", "item8", "item9", "item10",
"item11", "item12", "item13", "item14", "item15", "item16", "item17", "item18", "item19", "item20"};

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

// Initialize recycler view mRecyclerView = (RecyclerView) findViewById(R.id.recycler_view);
LinearLayoutManager layoutManager = new LinearLayoutManager(this);
layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
mRecyclerView.setLayoutManager(layoutManager);
adapter = new MyRecyclerAdapter(this, menus);
mRecyclerView.setAdapter(adapter);
}
}

Output :

Show Case View Example in Android

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity" >

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_centerVertical="true"
        android:text="This is Original View" />

</RelativeLayout>

overlay_view.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent" >

    <ImageView
        android:id="@+id/over_lay_image"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:background="#50220000" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="30dp"
        android:text="This is Overlay View" />

</RelativeLayout>

MainActivity.java

package com.rajeshvijayakumar.overlay;

import android.app.Activity;
import android.app.Dialog;
import android.graphics.Color;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.view.WindowManager;
import android.widget.ImageView;

public class MainActivity extends Activity {

    private ImageView mOverLayImage;
   
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
       
        final Dialog overlayInfo = new Dialog(MainActivity.this);
        overlayInfo.requestWindowFeature(Window.FEATURE_NO_TITLE);
        overlayInfo.getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));
        overlayInfo.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND);
        overlayInfo.setContentView(R.layout.overlay_view);
        overlayInfo.show();
       
        mOverLayImage = (ImageView) overlayInfo.findViewById(R.id.over_lay_image);
        mOverLayImage.setOnClickListener(new OnClickListener() {
           
            @Override
            public void onClick(View v) {               
                overlayInfo.cancel();
            }
        });       
    }
}

Output :

Source Code: Download this Example Here