Java tutorial
/* * Copyright 2014-2015 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"). * You may not use this file except in compliance with the License. * A copy of the License is located at * * http://aws.amazon.com/apache2.0 * * or in the "license" file accompanying this file. This file is distributed * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either * express or implied. See the License for the specific language governing * permissions and limitations under the License. */ package com.amazonaws.devicefarm.android.referenceapp.Fragments.Tabs.Inputs; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.CheckBox; import android.widget.CompoundButton; import android.widget.TextView; import com.amazonaws.devicefarm.android.referenceapp.R; import butterknife.ButterKnife; import butterknife.InjectView; /** * A fragment demonstrating a checkbox input */ public class Input_CheckBoxFragment extends Fragment implements CheckBox.OnCheckedChangeListener { @InjectView(R.id.input_checkbox_status) TextView checkbox_display; @InjectView(R.id.input_checkbox) CheckBox checkBox; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.input_checkbox_fragment, container, false); ButterKnife.inject(this, view); changeDisplay(); checkBox.setOnCheckedChangeListener(this); return view; } /** * Changes the display, reflecting a checkbox's status */ private void changeDisplay() { if (checkBox.isChecked()) { checkbox_display.setText("Checked"); } else { checkbox_display.setText("Unchecked"); } } @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { changeDisplay(); } }