/*
* Copyright (C) 2015 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.design.widget;
import com.example.android.support.design.R;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.design.widget.BottomSheetBehavior;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
/**
* This demonstrates basic usage of hideable {@link BottomSheetBehavior}.
*/
public class BottomSheetHideable extends BottomSheetUsageBase {
private TextView mTextSlideOffset;
private Button mToggle;
@Override
protected int getLayoutId() {
return R.layout.design_bottom_sheet_hideable;
}
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mTextSlideOffset = (TextView) findViewById(R.id.slide_offset);
mToggle = (Button) findViewById(R.id.toggle);
mToggle.setOnClickListener(mOnClickListener);
mBehavior.setBottomSheetCallback(new BottomSheetBehavior.BottomSheetCallback() {
@Override
public void onStateChanged(@NonNull View bottomSheet,
@BottomSheetBehavior.State int newState) {
switch (newState) {
case BottomSheetBehavior.STATE_HIDDEN:
mToggle.setText(R.string.bottomsheet_show);
mToggle.setEnabled(true);
break;
case BottomSheetBehavior.STATE_EXPANDED:
case BottomSheetBehavior.STATE_COLLAPSED:
mToggle.setText(R.string.bottomsheet_hide);
mToggle.setEnabled(true);
break;
}
}
@Override
public void onSlide(@NonNull View bottomSheet, float slideOffset) {
mTextSlideOffset.setText(String.valueOf(slideOffset));
}
});
}
private View.OnClickListener mOnClickListener = new View.OnClickListener() {
@Override
public void onClick(View v) {
if (v.getId() == R.id.toggle && mBehavior != null) {
mToggle.setEnabled(false);
if (mBehavior.getState() == BottomSheetBehavior.STATE_HIDDEN) {
mBehavior.setState(BottomSheetBehavior.STATE_COLLAPSED);
} else {
mBehavior.setState(BottomSheetBehavior.STATE_HIDDEN);
}
}
}
};
}