| /* |
| * Copyright (C) 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.supportv7.view; |
| |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.RadioGroup; |
| import android.widget.SeekBar; |
| import android.widget.TextView; |
| |
| import androidx.appcompat.app.AppCompatActivity; |
| import androidx.cardview.widget.CardView; |
| import androidx.core.content.ContextCompat; |
| |
| import com.example.android.supportv7.R; |
| |
| public class CardViewActivity extends AppCompatActivity { |
| |
| CardView mCardView; |
| |
| TextView mInfoText; |
| |
| SeekBar mCornerRadiusSeekBar; |
| |
| SeekBar mWidthSeekBar; |
| |
| SeekBar mHeightSeekBar; |
| |
| SeekBar mElevationSeekBar; |
| |
| SeekBar mMaxElevationSeekBar; |
| |
| SeekBar mAlphaSeekBar; |
| |
| boolean mResizeCardView = true; |
| |
| private SeekBar.OnSeekBarChangeListener mOnSeekBarChangedListener |
| = new SeekBar.OnSeekBarChangeListener() { |
| @Override |
| public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { |
| update(); |
| } |
| |
| @Override |
| public void onStartTrackingTouch(SeekBar seekBar) { |
| |
| } |
| |
| @Override |
| public void onStopTrackingTouch(SeekBar seekBar) { |
| |
| } |
| }; |
| |
| private void update() { |
| mElevationSeekBar.setMax(mMaxElevationSeekBar.getProgress()); |
| if (mCornerRadiusSeekBar.getProgress() != mCardView.getRadius()) { |
| mCardView.setRadius(mCornerRadiusSeekBar.getProgress()); |
| } |
| if (mElevationSeekBar.getProgress() != mCardView.getCardElevation()) { |
| mCardView.setCardElevation(mElevationSeekBar.getProgress()); |
| } |
| if (mMaxElevationSeekBar.getProgress() != mCardView.getMaxCardElevation()) { |
| mCardView.setMaxCardElevation(mMaxElevationSeekBar.getProgress()); |
| } |
| mCardView.setAlpha(mAlphaSeekBar.getProgress() / 255f); |
| ViewGroup.LayoutParams lp; |
| if (mResizeCardView) { |
| lp = setViewBounds(mCardView); |
| } else { |
| lp = setViewBounds(mInfoText); |
| } |
| mInfoText.setText("radius: " + mCornerRadiusSeekBar.getProgress() |
| + ", alpha: " + mAlphaSeekBar.getProgress() |
| + "\n w: " + lp.width + "\nh: " + lp.height |
| + "\nelevation: " + mCardView.getCardElevation() + " of " |
| + mCardView.getMaxCardElevation()); |
| } |
| |
| private ViewGroup.LayoutParams setViewBounds(View view) { |
| ViewGroup.LayoutParams lp = view.getLayoutParams(); |
| boolean changed = lp.width != mWidthSeekBar.getProgress() |
| || lp.height != mHeightSeekBar.getProgress(); |
| if (!changed) { |
| return lp; |
| } |
| lp.width = mWidthSeekBar.getProgress(); |
| lp.height = mHeightSeekBar.getProgress(); |
| view.setLayoutParams(lp); |
| return lp; |
| } |
| |
| @SuppressWarnings("deprecation") |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| setContentView(R.layout.activity_card_view); |
| mInfoText = findViewById(R.id.info_text); |
| mCardView = findViewById(R.id.card_view); |
| mCornerRadiusSeekBar = findViewById(R.id.corner_radius_seek_bar); |
| mCornerRadiusSeekBar.setProgress((int) mCardView.getRadius()); |
| mCornerRadiusSeekBar.setOnSeekBarChangeListener(mOnSeekBarChangedListener); |
| |
| mWidthSeekBar = findViewById(R.id.width_seek_bar); |
| mWidthSeekBar.setProgress(mCardView.getLayoutParams().width); |
| |
| mWidthSeekBar.setOnSeekBarChangeListener(mOnSeekBarChangedListener); |
| |
| mHeightSeekBar = findViewById(R.id.height_seek_bar); |
| mHeightSeekBar.setProgress(mCardView.getLayoutParams().height); |
| mHeightSeekBar.setOnSeekBarChangeListener(mOnSeekBarChangedListener); |
| |
| mElevationSeekBar = findViewById(R.id.elevation_seek_bar); |
| mElevationSeekBar.setProgress((int) mCardView.getCardElevation()); |
| mElevationSeekBar.setOnSeekBarChangeListener(mOnSeekBarChangedListener); |
| |
| mMaxElevationSeekBar = findViewById(R.id.max_elevation_seek_bar); |
| mMaxElevationSeekBar.setProgress((int) mCardView.getMaxCardElevation()); |
| mMaxElevationSeekBar.setOnSeekBarChangeListener(mOnSeekBarChangedListener); |
| |
| mAlphaSeekBar = findViewById(R.id.alpha_seek_bar); |
| mAlphaSeekBar.setProgress((int) (mCardView.getAlpha() * 255)); |
| mAlphaSeekBar.setOnSeekBarChangeListener(mOnSeekBarChangedListener); |
| |
| RadioGroup rb = findViewById(R.id.select_target_radio); |
| rb.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() { |
| @Override |
| public void onCheckedChanged(RadioGroup group, int checkedId) { |
| mResizeCardView = checkedId == R.id.resize_card_view; |
| update(); |
| } |
| }); |
| |
| new Handler().postDelayed(new Runnable() { |
| @Override |
| public void run() { |
| View content = findViewById(android.R.id.content); |
| mWidthSeekBar.setProgress(mCardView.getWidth()); |
| mHeightSeekBar.setProgress(mCardView.getHeight()); |
| mWidthSeekBar.setMax(content.getWidth()); |
| mHeightSeekBar.setMax(content.getHeight()); |
| update(); |
| } |
| }, 100); |
| |
| ((RadioGroup) findViewById(R.id.select_bg_color_radio)) |
| .setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() { |
| @Override |
| public void onCheckedChanged(RadioGroup group, int checkedId) { |
| mCardView.setCardBackgroundColor( |
| ContextCompat.getColorStateList(CardViewActivity.this, |
| getColorId(checkedId))); |
| } |
| }); |
| } |
| |
| private int getColorId(int id) { |
| switch (id) { |
| case R.id.yellow: |
| return R.color.card_yellow; |
| case R.id.aquatic: |
| return R.color.card_aquatic; |
| case R.id.classic: |
| return R.color.card_classic; |
| case R.id.sunbrite: |
| return R.color.card_sunbrite; |
| case R.id.tropical: |
| return R.color.card_tropical; |
| case R.id.selector: |
| return R.color.card_selector; |
| default: |
| return R.color.cardview_light_background; |
| } |
| } |
| } |