Java tutorial
package tech.salroid.filmy.fragment; import android.animation.Animator; import android.os.Bundle; import android.support.annotation.Nullable; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewAnimationUtils; import android.view.ViewGroup; import android.view.animation.DecelerateInterpolator; import android.widget.ImageView; import android.widget.TextView; import butterknife.BindView; import butterknife.ButterKnife; import tech.salroid.filmy.R; /* * Filmy Application for Android * Copyright (c) 2016 Ramankit Singh (http://github.com/webianks). * * 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. */ public class FullReadFragment extends Fragment implements View.OnClickListener { String titleValue, descValue; @BindView(R.id.textViewTitle) TextView title; @BindView(R.id.textViewDesc) TextView desc; @BindView(R.id.cross) ImageView crossButton; @Nullable @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View view = inflater.inflate(R.layout.read_full_layout, container, false); ButterKnife.bind(this, view); crossButton.setOnClickListener(this); // To run the animation as soon as the view is layout in the view hierarchy we add this // listener and remove it // as soon as it runs to prevent multiple animations if the view changes bounds view.addOnLayoutChangeListener(new View.OnLayoutChangeListener() { @Override public void onLayoutChange(View v, int left, int top, int right, int bottom, int oldLeft, int oldTop, int oldRight, int oldBottom) { v.removeOnLayoutChangeListener(this); int cx = getArguments().getInt("cx"); int cy = getArguments().getInt("cy"); // get the hypothenuse so the radius is from one corner to the other int radius = (int) Math.hypot(right, bottom); Animator reveal; if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) { reveal = ViewAnimationUtils.createCircularReveal(v, cx, cy, 0, radius); reveal.setInterpolator(new DecelerateInterpolator(2f)); reveal.setDuration(1000); reveal.start(); } } }); return view; } @Override public void onCreate(@Nullable Bundle savedInstanceState) { super.onCreate(savedInstanceState); titleValue = getArguments().getString("title", " "); descValue = getArguments().getString("desc", " "); } @Override public void onViewCreated(View view, @Nullable Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); title.setText(titleValue); desc.setText(descValue); } @Override public void onClick(View view) { getActivity().getSupportFragmentManager().beginTransaction().remove(this).commit(); } }