Checkbox1 in Android

activity_main.xml
----------------------

<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">



    <CheckBox

        android:layout_width="fill_parent"

        android:id="@+id/hellocheckbox"

        android:text="CheckBox"

        android:layout_height="wrap_content" />



</LinearLayout>
MainActivity.Java
----------------------------
package com.android.anil.checkbox1;



import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.Menu;

import android.view.MenuItem;

import android.widget.CheckBox;

import android.widget.CompoundButton;

import android.widget.Toast;



public class MainActivity extends AppCompatActivity {

    CheckBox cb;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        cb=(CheckBox)findViewById(R.id.hellocheckbox);
        cb.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {

            @Override

   public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {

                if(buttonView.isChecked()){

                    cb.setText("Checked");

           Toast.makeText(getApplicationContext(),"Checked",5000).show();

                }else{

                    cb.setText("UnChecked");

           Toast.makeText(getApplicationContext(),"UnChecked",5000).show();

                }

            }

        });

    }

}
OutPut is:
---------------

RadioButton in Android

activity_main.xml
------------------

<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_width="fill_parent"
      android:id="@+id/helloradio"
      android:layout_height="wrap_content"
      android:weightSum="1"
      android:layout_marginTop="25dp">
      <RadioButton
          android:layout_width="wrap_content"
          android:id="@+id/radio1"
          android:text="Male"
          android:layout_height="wrap_content"
          />
      <RadioButton
          android:layout_width="wrap_content"
          android:id="@+id/radio2"
          android:text="FeMale"
          android:layout_height="wrap_content" />
  </RadioGroup>

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Show Gender"
        android:layout_gravity="center"
        android:layout_marginTop="50dp"
        android:id="@+id/button" />


</LinearLayout>

MainActivity.Java

--------------------

package com.android.anil.radiobutton;



import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.widget.Button;

import android.widget.RadioButton;

import android.widget.RadioGroup;

import android.widget.Toast;



public class MainActivity extends AppCompatActivity {

    RadioGroup rg;

    RadioButton rb;

    Button genderbtn;



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        rg=(RadioGroup)findViewById(R.id.helloradio);

        genderbtn=(Button)findViewById(R.id.button);

        genderbtn.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                int id=rg.getCheckedRadioButtonId();

                rb=(RadioButton)findViewById(id);

              String s1=rb.getText().toString();

           Toast.makeText(getApplicationContext(),"Gender is : "+s1,5000).show();

            }

        });  

   }

}

OutPut is :

----------------

Multiple CheckBoxes in Android

activity_main.xml
------------------

<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"
    tools:context=".MainActivity"
    android:orientation="vertical"
    android:id="@+id/hello">


    <CheckBox
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="CheckBox1"
        android:id="@+id/checkBox"
        android:layout_gravity="center_horizontal"
        android:checked="false"
        android:layout_marginTop="15dp" />

    <CheckBox
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="CheckBox2"
        android:id="@+id/checkBox2"
        android:layout_gravity="center_horizontal"
        android:checked="false"
        android:layout_marginTop="15dp" />

    <CheckBox
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="CheckBox3"
        android:id="@+id/checkBox3"
        android:layout_gravity="center_horizontal"
        android:checked="false"
        android:layout_marginTop="15dp" />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Show"
        android:id="@+id/button"
        android:layout_gravity="center_horizontal"
        android:layout_marginTop="35dp" />
</LinearLayout>

MainActivity.java

-----------------

package com.android.anil.multiplecheckboxes;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {
    CheckBox c1,c2,c3;
    Button b1;

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

        c1=(CheckBox)findViewById(R.id.checkBox);
        c2=(CheckBox)findViewById(R.id.checkBox2);
        c3=(CheckBox)findViewById(R.id.checkBox3);
        b1=(Button)findViewById(R.id.button);
        b1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(c1.isChecked()){
                    Toast.makeText(getApplicationContext(),"CheckBox1 is Checked",5000).show();
                }else{
                    Toast.makeText(getApplicationContext(),"CheckBox1 is UnChecked",5000).show();

                }

                if(c2.isChecked()){
                    Toast.makeText(getApplicationContext(),"CheckBox2 is Checked",5000).show();
                }else{
                    Toast.makeText(getApplicationContext(),"CheckBox2 is UnChecked",5000).show();

                }

                if(c3.isChecked()){
                    Toast.makeText(getApplicationContext(),"CheckBox3 is Checked",5000).show();
                }else{
                    Toast.makeText(getApplicationContext(),"CheckBox3 is UnChecked",5000).show();

                }
            }
        });
    }

}

Output is:

-------------

CheckBox In Android

activity_main.xml
------------------

<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:id="@+id/hello"
    tools:context=".MainActivity">

    <CheckBox
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="CheckBox"
        android:id="@+id/checkBox"
        android:layout_gravity="center_horizontal"
        android:checked="false"
        android:layout_marginTop="10dp" />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Check"
        android:id="@+id/button"
        android:layout_gravity="center_horizontal"
        android:layout_marginTop="15dp" />
</LinearLayout>

MainActivity.java
--------------------

package com.android.anil.checkbox;



import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.widget.Button;

import android.widget.CheckBox;

import android.widget.Toast;



public class MainActivity extends AppCompatActivity {

    CheckBox cb1;

    Button b1;



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        cb1=(CheckBox)findViewById(R.id.checkBox);

        b1=(Button)findViewById(R.id.button);

        b1.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                if(cb1.isChecked()){

         Toast.makeText(getApplicationContext(),"CheckBox is Checked",5000).show();

                    

                }else{

       Toast.makeText(getApplicationContext(),"CheckBox is UnChecked",5000).show();



                }

            }

        });

        

    }



}

Output is :
----------

TextView 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:textAppearance="?android:attr/textAppearanceLarge"

        android:text="Large Text"

        android:id="@+id/textView"

        android:layout_alignParentTop="true"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="41dp" />



    <Button

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="Show"

        android:id="@+id/button"

        android:layout_below="@+id/textView"

        android:layout_centerHorizontal="true"

        android:layout_marginTop="77dp" />

</RelativeLayout>

MainActivity.Java

------------------

package com.android.anil.textview;



import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.widget.Button;

import android.widget.TextView;



public class MainActivity extends AppCompatActivity {

    TextView t1;

    Button b1;



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        b1=(Button)findViewById(R.id.button);

        t1=(TextView)findViewById(R.id.textView);

        b1.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                String s1="Hi Android";

                t1.setText(s1);

            }

        });

    }



}

Output is :

-------------

EditText in Android

activity_main.xml
---------------------

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

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:orientation="vertical"

    android:layout_height="match_parent"

    android:id="@+id/d"

    tools:context=".MainActivity">



    <EditText

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:id="@+id/editText"

        android:hint="enter name" />



    <Button

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_gravity="center"

        android:layout_marginTop="25dp"

        android:text="Show"

        android:id="@+id/button" />

</LinearLayout>

MainActivity.java
---------------------

package com.android.anil.edittext;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    EditText e1;
    Button btn;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        e1=(EditText)findViewById(R.id.editText);
        btn=(Button)findViewById(R.id.button);
        btn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                String s1=e1.getText().toString();
   Toast.makeText(getApplicationContext(),"Name is : "+s1,5000).show();
            }
        });

    }

}

Output is :
----------------
                     

OnclickProperties Using Multiple Button

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">

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Button1"
        android:id="@+id/button"
        android:onClick="show1"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="45dp" />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Button2"
        android:id="@+id/button2"
        android:layout_below="@+id/button"
        android:onClick="show2"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="75dp" />

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Button3"
        android:id="@+id/button3"
        android:onClick="show3"
        android:layout_marginTop="53dp"
        android:layout_below="@+id/button2"
        android:layout_alignLeft="@+id/button2"
        android:layout_alignStart="@+id/button2" />
</RelativeLayout>

MainActivity.java

package com.anil.android.multiplebuttonusingonclickproperties;



import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.Menu;

import android.view.MenuItem;

import android.view.View;

import android.widget.Toast;



public class MainActivity extends AppCompatActivity {



    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

    }

    //calling the method names 

    public void show1(View v){
Toast.makeText(getApplicationContext(),"Button1 is Working",5000).show();

    }

    public void show2(View v){
Toast.makeText(getApplicationContext(),"Button2 is Working",5000).show();

    }
public void show3(View v){

Toast.makeText(getApplicationContext(),"Button3 is Working",5000).show();

    }
}

-------------------

Output is :
------------