<RadioGroup
        android:layout_width="wrap_content"
        android:layout_height="match_parent">

        <RadioButton
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />

        <RadioButton
            android:layout_width="wrap_content"
            android:layout_height="wrap_content" />
    </RadioGroup>

<LinearLayout 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"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <RadioGroup
        android:layout_marginTop="20dp"
        android:layout_gravity="center"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content">

        <RadioButton
            android:id="@+id/btn_click"
            android:text="radioButton1"
            android:textSize="20sp"
            android:textColor="#e11596"
            android:checked="true"
            android:background="@color/colorPrimary"
            android:gravity="top"
            android:padding="10dp"
            android:drawableRight="@drawable/ic_android_black_24dp"
            android:layout_width="300dp"
            android:layout_height="100dp" />
    </RadioGroup>

</LinearLayout>

<LinearLayout 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"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <LinearLayout
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:background="#e0e0e0"
        android:orientation="vertical">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Select your Hobby:: "
            android:textColor="#000"
            android:textSize="20sp"
            android:textStyle="bold" />

        <RadioGroup
            android:layout_width="wrap_content"
            android:layout_height="wrap_content">

            <RadioButton
                android:id="@+id/btn_football"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginLeft="20dp"
                android:layout_marginTop="10dp"
                android:checked="false"
                android:text="كرة القدم"
                android:textColor="#154"
                android:textSize="20sp"
                android:textStyle="bold" />

            <RadioButton
                android:id="@+id/btn_basketball"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginLeft="20dp"
                android:layout_marginTop="10dp"
                android:checked="false"
                android:text="كرة السلة"
                android:textColor="#154"
                android:textSize="20sp"
                android:textStyle="bold" />

            <RadioButton
                android:id="@+id/btn_swimming"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginLeft="20dp"
                android:layout_marginTop="10dp"
                android:checked="false"
                android:text="السباحة"
                android:textColor="#154"
                android:textSize="20sp"
                android:textStyle="bold" />

            <RadioButton
                android:id="@+id/btn_running"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginLeft="20dp"
                android:layout_marginTop="10dp"
                android:checked="false"
                android:text="المشي"
                android:textColor="#154"
                android:textSize="20sp"
                android:textStyle="bold" />


            <RadioButton
                android:id="@+id/btn_programming"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_marginLeft="20dp"
                android:layout_marginTop="10dp"
                android:checked="true"
                android:text="البرمجة"
                android:textColor="#154"
                android:textSize="20sp"
                android:textStyle="bold" />

        </RadioGroup>

        <Button
            android:id="@+id/submitButton"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_gravity="center"
            android:layout_margin="20dp"
            android:background="#0f0"
            android:padding="10dp"
            android:text="Submit"
            android:textColor="#fff"
            android:textSize="20sp"
            android:textStyle="bold" />
    </LinearLayout>

</LinearLayout>

package engahmed.gagacademy;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.RadioButton;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
    RadioButton football, basketball, swimming, running, programming;
    String selected;
    Button submit;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        football = (RadioButton) findViewById(R.id.btn_football);
        basketball = (RadioButton) findViewById(R.id.btn_basketball);
        swimming = (RadioButton) findViewById(R.id.btn_swimming);
        running = (RadioButton) findViewById(R.id.btn_running);
        programming = (RadioButton) findViewById(R.id.btn_programming);
        submit = (Button) findViewById(R.id.submitButton);
        submit.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if (football.isChecked()) {
                    selected = football.getText().toString();
                } else if (basketball.isChecked()) {
                    selected = basketball.getText().toString();
                } else if (swimming.isChecked()) {
                    selected = swimming.getText().toString();
                } else if (running.isChecked()) {
                    selected = running.getText().toString();
                } else if (programming.isChecked()) {
                    selected = programming.getText().toString();
                }
                Toast.makeText(getApplicationContext(), selected, Toast.LENGTH_LONG).show();
            }
        });

    }
}

   <Switch
        android:id="@+id/btn_forSwitch"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="20dp">

    <Switch
        android:id="@+id/simpleSwitch"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:checked="true"
        android:drawableBottom="@drawable/ic_android_black_24dp"
        android:gravity="center"
        android:text="switch"
        android:textColor="#00e736"
        android:textOff="Off"
        android:textOn="On"
        android:textSize="25sp" />
</LinearLayout>

<LinearLayout 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"
    android:orientation="vertical"
    android:layout_marginTop="30dp"
    tools:context=".MainActivity">

    <Switch
        android:id="@+id/simples11"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:checked="true"
        android:text="switch1"
        android:textOff="Off"
        android:textOn="On"
        android:textSize="26sp"
        android:textColor="#000" />

    <Switch
        android:id="@+id/simples22"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:checked="false"
        android:text="switch2"
        android:textOff="Off"
        android:textOn="On"
        android:textSize="26sp" />


    <Button
        android:id="@+id/submitButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_marginTop="50dp"
        android:background="#f5959e87"
        android:padding="10dp"
        android:text="Submit"
        android:textColor="#fff"
        android:textSize="20sp"
        android:textStyle="bold" />
</LinearLayout>

package //قم بكتابة إسم الحزمة الخاص بك هنا;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Switch;
import android.widget.Toast;
import android.widget.ToggleButton;

import static engahmed.gagacademy.R.id.simpleToggleButton1;
import static engahmed.gagacademy.R.id.simpleToggleButton2;

public class MainActivity extends AppCompatActivity {
    Switch simpleSwitch1, simpleSwitch2;
    Button submit;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        simpleSwitch1 = (Switch) findViewById(R.id.simples11);
        simpleSwitch2 = (Switch) findViewById(R.id.simples22);
        submit = (Button) findViewById(R.id.submitButton);
        submit.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                String statusSwitch1, statusSwitch2;
                if (simpleSwitch1.isChecked())
                    statusSwitch1 = simpleSwitch1.getTextOn().toString();
                else
                    statusSwitch1 = simpleSwitch1.getTextOff().toString();
                if (simpleSwitch2.isChecked())
                    statusSwitch2 = simpleSwitch2.getTextOn().toString();
                else
                    statusSwitch2 = simpleSwitch2.getTextOff().toString();
                Toast.makeText(getApplicationContext(), "Switch1 :" + statusSwitch1 + "\n" + "Switch2 :" + statusSwitch2, Toast.LENGTH_LONG).show(); //ستعرض رسالة توضح حالة الازرار 
            }
        });
    }
}

 <ToggleButton
        android:id="@+id/btn_toggle"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    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"
    android:orientation="vertical"
    tools:context="engahmed.gagacademy.MainActivity">

    <ToggleButton
        android:id="@+id/btn_toggle1"
        android:checked="true"
        android:gravity="right"
        android:layout_width="100dp"
        android:layout_height="100dp" />
    <ToggleButton
        android:id="@+id/btn_toggle2"
        android:checked="false"
        android:gravity="left"
        android:layout_width="100dp"
        android:layout_height="100dp" />

</LinearLayout>

<ToggleButton
        android:id="@+id/btn_toggle1"
        android:checked="true"
        android:gravity="center"
        android:textOff="Disable"
        android:textOn="Enable"
        android:textSize="20sp"
        android:textStyle="italic"
        android:textColor="#efd56b"
        android:background="#44a987"
        android:drawableLeft="@mipmap/ic_launcher"
        android:layout_width="280dp"
        android:layout_height="100dp"/>
    <ToggleButton
        android:id="@+id/btn_toggle2"
        android:checked="false"
        android:gravity="center"
        android:textSize="20sp"
        android:textStyle="bold"
        android:textColor="#601aec"
        android:background="#9c98ac"
        android:textOff="Disable"
        android:textOn="Enable"
        android:drawableRight="@mipmap/ic_launcher"
        android:layout_width="280dp"
        android:layout_height="100dp" />

 <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="GagAcademy" />

 <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="GagAcademy" />

 <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:gravity="right"//هنا قم بتغير القيمة الي اخري مثلا الي اليسار او الوسط او الاسفل وشاهد النتيجة
        android:text="GagAcademy" />

  <Button
        android:id="@+id/Button1"
        android:layout_width="300dp"
        android:layout_height="200dp"
        android:background="#147D03"
        android:text="GagAcademy"
        android:textSize="20sp"
        android:paddingRight="130dp"
        android:layout_marginTop="130dp"
        android:textAllCaps="false"
        android:textStyle="bold|italic"/>   

@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Button btn_Show = (Button) findViewById(R.id.Button1);//تم إستدعاء الزر من خلال رقم المعرف id وإنشاء كائن من الكلاس Button وتمت تسميته btn_show 
        //من خلال الكائن يمكنك إستدعاء كل الدوال التي تتوفر في الكلاس الاب Button 
        btn_Show.setText("GagAcademy");
        btn_Show.setTextSize(16);
        btn_Show.setGravity(50);
        btn_Show.setBackground(getResources().getDrawable(R.drawable.ic_launcher));
        btn_Show.setTextColor(Color.GREEN);
        //يمكنك وضع ما تريد من الخصائص في ملف الجافا
    }

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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="net.simplifiedlearning.customlistviewandroid.MainActivity">
 
<ListView
    android:id="@+id/list2"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />
 
</RelativeLayout>

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

    <ImageView
        android:layout_marginStart="5dp"
        android:layout_marginLeft="5dp"
        android:id="@+id/image_ph"
        android:layout_gravity="top"
        android:layout_width="48dp"
        android:layout_height="48dp" />

    <TextView
        android:layout_marginStart="5dp"
        android:layout_marginLeft="5dp"
        android:id="@+id/text_ph"
        android:layout_gravity="top"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textSize="25sp" />

</LinearLayout> 

package engahmed.gagacademy;

import android.app.Activity;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;

class CustomAdapter extends ArrayAdapter<String> {
    private String[] cant;
    private int[] photo;
    private Activity context;

    CustomAdapter(Activity context, String[] cant, int[] photo) {//الدالة الإنشائية الخاصة بالكلاس
        super(context, R.layout.row_item, cant);
        this.context = context;
        this.cant = cant;
        this.photo = photo;
    }

    @NonNull
    @Override
    public View getView(int position, @Nullable View convertView, @NonNull ViewGroup parent) {//دالة عرض محتويات القائمة
        View r = convertView;
        ViewHolder viewHolder;
        if (r == null) {
            LayoutInflater layoutInflater = context.getLayoutInflater();
            r = layoutInflater.inflate(R.layout.row_item, null, true);
            viewHolder = new ViewHolder(r);
            r.setTag(viewHolder);
        } else {
            viewHolder = (ViewHolder) r.getTag();
        }
        viewHolder.tvw1.setText(cant[position]);
        viewHolder.tvw2.setImageResource(photo[position]);


        return r;
    }

    private class ViewHolder {
        TextView tvw1;//tvw1 عبارة عن إسم ويمكن تغيره الي غيره
        ImageView tvw2;//tvw2 عبارة عن إسم ويمكنك تغيره الي ما تريد

        ViewHolder(View v) {
            tvw1 = (TextView) v.findViewById(R.id.text_ph);
            tvw2 = (ImageView) v.findViewById(R.id.image_ph);
        }
    }
}

package engahmed.gagacademy;//قم بتغيره الي إسم الحزمة الخاصة بك


import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.ListView;


public class MainActivity extends AppCompatActivity {
    ListView lv;
    int[] flags = {R.drawable.irag, R.drawable.jibuti, R.drawable.saudi, R.drawable.somal, R.drawable.sudan, R.drawable.qater};
    String[] countNameList = {"ireg", "jibuti", "saudi", "somal", "sudan", "qater"};

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        lv = (ListView) findViewById(R.id.list2);
        CustomAdapter customAdapter = new CustomAdapter(MainActivity.this, countNameList, flags);
        lv.setAdapter(customAdapter);
    }
}

package engahmed.gagacademy;//قم بتغيره الي إسم الحزمة لديك

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

public class CustomAdapter extends BaseAdapter {
    Context context;
    String countryList[];
    int flags[];
    LayoutInflater inflter;

    public CustomAdapter(Context applicationContext, String[] countryList, int[] flags) {
        this.context = context;
        this.countryList = countryList;
        this.flags = flags;
        inflter = (LayoutInflater.from(applicationContext));
    }

    @Override
    public int getCount() {
        return countryList.length;
    }

    @Override
    public Object getItem(int i) {
        return null;
    }

    @Override
    public long getItemId(int i) {
        return 0;
    }

    @Override
    public View getView(int i, View view, ViewGroup viewGroup) {
        view = inflter.inflate(R.layout.row_item, null);
        TextView country = (TextView) view.findViewById(R.id.text_ph);
        ImageView icon = (ImageView) view.findViewById(R.id.image_ph);
        country.setText(countryList[i]);
        icon.setImageResource(flags[i]);
        return view;
    }
}