AndroidFeast: Show/Hide Text using Radiobutton in Android

This is small demo for how to show and hide Text using radiobutton in android .

In MainActivity we have to use this below code.In this project i used validation ,after submit the button it will show toast....

Tv.setVisibility(view.VISIBLE);

Tv.setVisibility(view.INVISIBLE);
Tv.setVisibility(view.GONE);

In Xml

we have to use

android:visibility="gone"

android:visibility="visible"

android:visibility="invisible"

MainActivity.java

First Create MainActivity.java in src

package com.exampl.hide;

import android.app.Activity;

import android.graphics.Typeface;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.EditText;

import android.widget.RadioButton;

import android.widget.TextView;

import android.widget.Toast;

public class MainActivity extends Activity {

Button Send;

public static String no;

public static String conname;

public static String typ1;

public static String ass;

public static String savenotice;

Typeface font;

String cno;

RadioButton rb1;

EditText edit;

TextView ts;

RadioButton rb2;

TextView tv1;

TextView tv2;

EditText edit1;

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

font = Typeface.createFromAsset(getAssets(), "Avvaiyar.ttf");

TextView tview=(TextView)findViewById(R.id.savenotice);

tv1=(TextView)findViewById(R.id.assno);

tv1.setTypeface(font);

tv1.setVisibility(View.VISIBLE);

tv2=(TextView)findViewById(R.id.cno);

tv2.setTypeface(font);

tv2.setVisibility(View.GONE);

rb1=(RadioButton)findViewById(R.id.rb1);

rb1.setChecked(true);

rb2=(RadioButton)findViewById(R.id.rb2);

Controls();

}

public String onRadioButtonClicked(View view) {

// Is the button now checked?

boolean checked = ((RadioButton) view).isChecked();

switch(view.getId()) {

case R.id.rb1:

if (checked)

tv1.setVisibility(View.VISIBLE);

tv2.setVisibility(View.GONE);

edit1 = (EditText) findViewById(R.id.edit12);

edit1.setText("");

break;

case R.id.rb2:

if (checked)

tv2.setVisibility(View.VISIBLE);

tv1.setVisibility(View.GONE);

edit1 = (EditText) findViewById(R.id.edit12);

edit1.setText("");

break;

}return null;

}

public void Controls(){

final EditText edit1 = (EditText) findViewById(R.id.edit12);

Send = (Button) findViewById(R.id.button1);

Send.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

no=edit1.getText().toString();

if(edit1.getText().toString().equalsIgnoreCase(""))

{

Toast.makeText(getBaseContext(), "Please Enter No", Toast.LENGTH_LONG).show();

}

else if(edit1.getText().toString().equalsIgnoreCase("0"))

{

Toast.makeText(getBaseContext(), "Invalid No", Toast.LENGTH_LONG).show();

}

else

{

Toast.makeText(getApplicationContext(), "You have Enter "+no, Toast.LENGTH_LONG).show();

}}

});

}

activity_main.xml

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

<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"

android:background="#99CCFF"

android:paddingBottom="@dimen/activity_vertical_margin"

android:paddingLeft="@dimen/activity_horizontal_margin"

android:paddingRight="@dimen/activity_horizontal_margin"

android:paddingTop="@dimen/activity_vertical_margin"

tools:context=".SaveMobileNumber" >

<TextView

android:id="@+id/savenotice"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:textColor="#009999"

android:layout_centerHorizontal="true"

android:text="@string/h1"

android:textAppearance="?android:attr/textAppearanceMedium"

<TableLayout

android:id="@+id/tableLayout1"

android:layout_width="wrap_content"

android:layout_height="wrap_content" >

<TableRow

android:id="@+id/tableRow2"

android:layout_width="wrap_content"

android:layout_height="wrap_content" >

</TableRow>

<TableRow

android:id="@+id/tableRow3"

android:layout_width="wrap_content"

android:layout_height="wrap_content" >

<RadioGroup

tools:ignore="UselessParent"

android:id="@+id/radiogr"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:orientation="horizontal" >

<RadioButton

android:id="@+id/rb1"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:onClick="onRadioButtonClicked"

android:text="@string/r1" />

<RadioButton

android:id="@+id/rb2"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:onClick="onRadioButtonClicked"

android:text="@string/r2" />

</RadioGroup>

</TableRow>

<TableLayout

android:layout_width="wrap_content"

android:layout_height="wrap_content" >

<TableRow

tools:ignore="UselessParent"

android:id="@+id/tableRow4"

android:layout_width="wrap_content"

android:layout_height="wrap_content" >

<TextView

android:id="@+id/assno"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:textColor="#0000FF"

android:layout_marginRight="30dp"

android:text="@string/n3" />

<TextView

android:id="@+id/cno"

android:layout_width="56dp"

android:layout_height="wrap_content"

android:visibility="gone"

android:textColor="#0000FF"

android:text="@string/n4" />

<EditText

android:id="@+id/edit12"

android:layout_width="120dp"

android:layout_height="wrap_content"

android:background="@android:drawable/editbox_dropdown_light_frame"

android:textColor="#106BE3" />

</TableRow>

</TableLayout>

<Button

android:id="@+id/button1"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_alignLeft="@+id/savenotice"

android:layout_below="@+id/tableLayout1"

android:layout_marginLeft="14dp"

android:layout_marginTop="20dp"

android:text="@string/Send" />

</RelativeLayout>

String.xml

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

<string name="action_settings">Settings</string>

<string name="hello_world">Hello world!</string>

<string name="r1">Books</string>

<string name="r2">Games</string>

<string name="Send">Submit</string>

</resources>

AndroidManifest.xml

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

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

package="com.exampl.hide"

android:versionCode="1"

android:versionName="1.0" >

<uses-sdk

android:minSdkVersion="8"

android:targetSdkVersion="18" />

<application

android:allowBackup="true"

android:icon="@drawable/ic_launcher"

android:label="@string/app_name"

android:theme="@style/AppTheme" >

<activity

android:name="com.exampl.hide.MainActivity"

android:label="@string/app_name" >

<intent-filter>

</intent-filter>

</activity>

</application>

</manifest>

Result:

Choosing Books it will show the text is Number .then choosing games it will show the text is name and after giving submit its showing result in Toast............

................Thank you.......................

AndroidFeast

Show/Hide Text using Radiobutton in Android

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