Disable FloatingActionButton

To disable FloatingActionButton, we can call its setEnabled() method. We can also make it invisible or gone by calling its setVisibility() method.


Create a Hello World project of Blank Activity in Android Studio.

Edit layout/content_main.xml to add RadioButtons.

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
 
 
 
 android_layout_width="match_parent"
 android_layout_height="match_parent"
 android_padding="16dp"
 app_layout_behavior="@string/appbar_scrolling_view_behavior"
 tools_showIn="@layout/activity_main"
 tools_context=".MainActivity"
 android_orientation="vertical">

 <TextView
 android_layout_width="wrap_content"
 android_layout_height="wrap_content"
 android_layout_gravity="center_horizontal"
 android_autoLink="web"
 android_text="http://android-er.blogspot.com/"
 android_textStyle="bold" />

 <RadioGroup
 android_id="@+id/groupenable"
 android_layout_width="fill_parent"
 android_layout_height="wrap_content"
 android_orientation="horizontal">
 <RadioButton
 android_id="@+id/fabenable"
 android_layout_width="wrap_content"
 android_layout_height="wrap_content"
 android_text="Enable"
 android_checked="true"/>
 <RadioButton
 android_id="@+id/fabdisable"
 android_layout_width="wrap_content"
 android_layout_height="wrap_content"
 android_text="Disable"/>
 </RadioGroup>
 <RadioGroup
 android_id="@+id/groupvisibility"
 android_layout_width="fill_parent"
 android_layout_height="wrap_content"
 android_orientation="horizontal">
 <RadioButton
 android_id="@+id/fabvisible"
 android_layout_width="wrap_content"
 android_layout_height="wrap_content"
 android_text="Visible"
 android_checked="true"/>
 <RadioButton
 android_id="@+id/fabinvisible"
 android_layout_width="wrap_content"
 android_layout_height="wrap_content"
 android_text="Invisible"/>
 <RadioButton
 android_id="@+id/fabgone"
 android_layout_width="wrap_content"
 android_layout_height="wrap_content"
 android_text="Gone"/>
 </RadioGroup>
</LinearLayout>

Modify MainActivity.java

package com.blogspot.android_er.androidfloatingactionbutton;

import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.RadioButton;
import android.widget.RadioGroup;

public class MainActivity extends AppCompatActivity {

 RadioGroup groupEnable, groupVisibility;
 RadioButton btnEnable, btnDisable;
 RadioButton btnVisible, btnInvisible, btnGone;

 @Override
 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);
 Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
 setSupportActionBar(toolbar);

 final FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
 fab.setOnClickListener(new View.OnClickListener() {
 @Override
 public void onClick(View view) {
 Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
 .setAction("Action", null).show();
 }
 });

 groupEnable = (RadioGroup)findViewById(R.id.groupenable);
 btnEnable = (RadioButton)findViewById(R.id.fabenable);
 btnDisable = (RadioButton)findViewById(R.id.fabdisable);
 groupVisibility = (RadioGroup)findViewById(R.id.groupvisibility);
 btnVisible = (RadioButton)findViewById(R.id.fabvisible);
 btnInvisible = (RadioButton)findViewById(R.id.fabinvisible);
 btnGone = (RadioButton)findViewById(R.id.fabgone);

 groupEnable.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener(){
 @Override
 public void onCheckedChanged(RadioGroup group, int checkedId) {
 if(btnEnable.isChecked()){
 fab.setEnabled(true);
 }else{
 fab.setEnabled(false);
 }
 }
 });

 groupVisibility.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener(){
 @Override
 public void onCheckedChanged(RadioGroup group, int checkedId) {
 if(btnVisible.isChecked()){
 fab.setVisibility(FloatingActionButton.VISIBLE);
 }else if(btnInvisible.isChecked()){
 fab.setVisibility(FloatingActionButton.INVISIBLE);
 }else{
 fab.setVisibility(FloatingActionButton.GONE);
 }
 }
 });
 }

 @Override
 public boolean onCreateOptionsMenu(Menu menu) {
 // Inflate the menu; this adds items to the action bar if it is present.
 getMenuInflater().inflate(R.menu.menu_main, menu);
 return true;
 }

 @Override
 public boolean onOptionsItemSelected(MenuItem item) {
 // Handle action bar item clicks here. The action bar will
 // automatically handle clicks on the Home/Up button, so long
 // as you specify a parent activity in AndroidManifest.xml.
 int id = item.getItemId();

 //noinspection SimplifiableIfStatement
 if (id == R.id.action_settings) {
 return true;
 }

 return super.onOptionsItemSelected(item);
 }
}

Related Posts by Categories