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96 lines
3.3 KiB
96 lines
3.3 KiB
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.android.customtransition;
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import com.example.android.common.logger.Log;
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import android.content.Context;
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import android.os.Bundle;
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import android.support.v4.app.Fragment;
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import android.transition.Scene;
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import android.transition.Transition;
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import android.transition.TransitionManager;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.FrameLayout;
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public class CustomTransitionFragment extends Fragment implements View.OnClickListener {
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private static final String STATE_CURRENT_SCENE = "current_scene";
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/** Tag for the logger */
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private static final String TAG = "CustomTransitionFragment";
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/** These are the Scenes we use. */
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private Scene[] mScenes;
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/** The current index for mScenes. */
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private int mCurrentScene;
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/** This is the custom Transition we use in this sample. */
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private Transition mTransition;
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public CustomTransitionFragment() {
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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return inflater.inflate(R.layout.fragment_custom_transition, container, false);
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}
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@Override
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public void onViewCreated(View view, Bundle savedInstanceState) {
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Context context = getActivity();
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FrameLayout container = (FrameLayout) view.findViewById(R.id.container);
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view.findViewById(R.id.show_next_scene).setOnClickListener(this);
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if (null != savedInstanceState) {
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mCurrentScene = savedInstanceState.getInt(STATE_CURRENT_SCENE);
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}
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// We set up the Scenes here.
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mScenes = new Scene[] {
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Scene.getSceneForLayout(container, R.layout.scene1, context),
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Scene.getSceneForLayout(container, R.layout.scene2, context),
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Scene.getSceneForLayout(container, R.layout.scene3, context),
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};
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// This is the custom Transition.
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mTransition = new ChangeColor();
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// Show the initial Scene.
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TransitionManager.go(mScenes[mCurrentScene % mScenes.length]);
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}
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@Override
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public void onSaveInstanceState(Bundle outState) {
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super.onSaveInstanceState(outState);
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outState.putInt(STATE_CURRENT_SCENE, mCurrentScene);
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}
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@Override
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public void onClick(View v) {
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switch (v.getId()) {
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case R.id.show_next_scene: {
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mCurrentScene = (mCurrentScene + 1) % mScenes.length;
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Log.i(TAG, "Transitioning to scene #" + mCurrentScene);
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// Pass the custom Transition as second argument for TransitionManager.go
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TransitionManager.go(mScenes[mCurrentScene], mTransition);
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break;
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}
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}
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}
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}
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