Espace formation initiation Android

/*

* Copyright 2014 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.cardview;

import android.app.Fragment;

import android.os.Bundle;

import android.support.v7.widget.CardView;

import android.util.Log;

import android.view.LayoutInflater;

import android.view.View;

import android.view.ViewGroup;

import android.widget.SeekBar;

/**

 * Fragment that demonstrates how to use CardView.

 */

public class CardViewFragment extends Fragment {

    private static final String TAG = CardViewFragment.class.getSimpleName();

    /** The CardView widget. */

    //@VisibleForTesting

    CardView mCardView;

    /**

     * SeekBar that changes the cornerRadius attribute for the {@link #mCardView} widget.

     */

    //@VisibleForTesting

    SeekBar mRadiusSeekBar;

    /**

     * SeekBar that changes the Elevation attribute for the {@link #mCardView} widget.

     */

    //@VisibleForTesting

    SeekBar mElevationSeekBar;

    /**

     * Use this factory method to create a new instance of

     * this fragment using the provided parameters.

     *

     * @return A new instance of fragment NotificationFragment.

     */

    public static CardViewFragment newInstance() {

        CardViewFragment fragment = new CardViewFragment();

        fragment.setRetainInstance(true);

        return fragment;

    }

    public CardViewFragment() {

        // Required empty public constructor

    }

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

    }

    @Override

    public View onCreateView(LayoutInflater inflater, ViewGroup container,

                             Bundle savedInstanceState) {

        // Inflate the layout for this fragment

        return inflater.inflate(R.layout.fragment_card_view, container, false);

    }

    @Override

    public void onViewCreated(View view, Bundle savedInstanceState) {

        super.onViewCreated(view, savedInstanceState);

        mCardView = (CardView) view.findViewById(R.id.cardview);

        mRadiusSeekBar = (SeekBar) view.findViewById(R.id.cardview_radius_seekbar);

        mRadiusSeekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {

            @Override

            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {

                Log.d(TAG, String.format("SeekBar Radius progress : %d", progress));

                mCardView.setRadius(progress);

            }

            @Override

            public void onStartTrackingTouch(SeekBar seekBar) {

                //Do nothing

            }

            @Override

            public void onStopTrackingTouch(SeekBar seekBar) {

                //Do nothing

            }

        });

        mElevationSeekBar = (SeekBar) view.findViewById(R.id.cardview_elevation_seekbar);

        mElevationSeekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {

            @Override

            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {

                Log.d(TAG, String.format("SeekBar Elevation progress : %d", progress));

                mCardView.setElevation(progress);

            }

            @Override

            public void onStartTrackingTouch(SeekBar seekBar) {

                //Do nothing

            }

            @Override

            public void onStopTrackingTouch(SeekBar seekBar) {

                //Do nothing

            }

        });

    }

}