/* * Copyright (C) 2016 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License 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.example.android.support.transition.widget; import android.os.Bundle; import android.view.View; import android.widget.LinearLayout; import android.widget.TextView; import androidx.transition.TransitionManager; import com.example.android.support.transition.R; public class BeginDelayedUsage extends TransitionUsageBase { private LinearLayout mRoot; private TextView mMessage; @Override int getLayoutResId() { return R.layout.begin_delayed; } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mRoot = findViewById(R.id.root); mMessage = findViewById(R.id.message); findViewById(R.id.button).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { toggle(); } }); } private void toggle() { TransitionManager.beginDelayedTransition(mRoot); if (mMessage.getVisibility() != View.VISIBLE) { mMessage.setVisibility(View.VISIBLE); } else { mMessage.setVisibility(View.GONE); } } }