/* * Copyright (C) 2017 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.graphics.Rect; import android.os.Bundle; import android.support.transition.ChangeClipBounds; import android.support.transition.TransitionManager; import android.support.v4.view.ViewCompat; import android.view.View; import android.view.ViewGroup; import android.widget.ImageView; import com.example.android.support.transition.R; /** * This demonstrates usage of {@link ChangeClipBounds}. */ public class ChangeClipBoundsUsage extends TransitionUsageBase { private static final Rect BOUNDS = new Rect(20, 20, 100, 100); private final ChangeClipBounds mChangeClipBounds = new ChangeClipBounds(); private ViewGroup mRoot; private ImageView mPhoto; @Override int getLayoutResId() { return R.layout.clip_bounds; } @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mRoot = findViewById(R.id.root); mPhoto = findViewById(R.id.photo); findViewById(R.id.toggle).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { toggle(); } }); } void toggle() { TransitionManager.beginDelayedTransition(mRoot, mChangeClipBounds); if (BOUNDS.equals(ViewCompat.getClipBounds(mPhoto))) { ViewCompat.setClipBounds(mPhoto, null); } else { ViewCompat.setClipBounds(mPhoto, BOUNDS); } } }