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/*
* Copyright (C) 2020 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.android.car.rotaryplayground;
import android.graphics.Color;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import com.android.car.ui.utils.DirectManipulationHelper;
public class RotarySysUiDirectManipulationWidgets extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container,
@Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.rotary_sys_ui_direct_manipulation, container, false);
View directManipulationSupportedSeekBar = view.findViewById(
R.id.direct_manipulation_supported_seek_bar);
DirectManipulationHelper.setSupportsRotateDirectly(
directManipulationSupportedSeekBar, true);
View directManipulationUnsupportedSeekBar = view.findViewById(
R.id.direct_manipulation_unsupported_seek_bar);
directManipulationUnsupportedSeekBar.setOnClickListener(
new ChangeBackgroundColorOnClickListener());
View directManipulationSupportedRadialTimePickerView = view.findViewById(
R.id.direct_manipulation_supported_radial_time_picker);
DirectManipulationHelper.setSupportsRotateDirectly(
directManipulationSupportedRadialTimePickerView, true);
View directManipulationUnsupportedRadialTimePickerView = view.findViewById(
R.id.direct_manipulation_unsupported_radial_time_picker);
directManipulationUnsupportedRadialTimePickerView.setOnClickListener(
new ChangeBackgroundColorOnClickListener());
return view;
}
/**
* An {@link android.view.View.OnClickListener} object that changes the background of the
* view it is registered on to {@link Color#BLUE} and back to whatever it was before on
* subsequent calls. This is just to demo doing something visually obvious in the UI.
*/
private static class ChangeBackgroundColorOnClickListener implements View.OnClickListener {
/** Just some random color to switch the background to for demo purposes. */
private static final int ALTERNATIVE_BACKGROUND_COLOR = Color.BLUE;
/**
* The purpose of this boolean is to change color every other time {@link #onClick} is
* called.
*/
private boolean mFlipFlop = true;
@Override
public void onClick(View v) {
Log.d(L.TAG,
"Handling onClick for " + v + " and going " + (mFlipFlop ? "flip" : "flop"));
if (mFlipFlop) {
Log.d(L.TAG, "Background about to be overwritten: " + v.getBackground());
v.setTag(R.id.saved_background_tag, v.getBackground());
v.setBackgroundColor(ALTERNATIVE_BACKGROUND_COLOR);
} else {
Object savedBackground = v.getTag(R.id.saved_background_tag);
Log.d(L.TAG, "Restoring background: " + savedBackground);
v.setBackground((Drawable) savedBackground);
}
// Flip mode bit.
mFlipFlop = !mFlipFlop;
}
}
}
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