Android Open Source - NXTControl Bg Check Box

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License

The source code is released under:

GNU General Public License

Java Source Code

//
// FPlayAndroid is distributed under the FreeBSD License
////from w ww .j a va  2 s. co m
// Copyright (c) 2013, Carlos Rafael Gimenes das Neves
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// The views and conclusions contained in the software and documentation are those
// of the authors and should not be interpreted as representing official policies,
// either expressed or implied, of the FreeBSD Project.
//
// https://github.com/carlosrafaelgn/FPlayAndroid
//
package br.com.bandtec.nxtcontrol.ui;

import android.annotation.TargetApi;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Typeface;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.Gravity;
import android.view.ViewDebug.ExportedProperty;
import android.widget.CheckBox;

public final class BgCheckBox extends CheckBox {
  private int state, btnWidth, paddingL, paddingR;
  
  public BgCheckBox(Context context) {
    super(context);
    init();
  }
  
  public BgCheckBox(Context context, AttributeSet attrs) {
    super(context, attrs);
    init();
  }
  
  public BgCheckBox(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
    init();
  }
  
  private void init() {
    super.setBackgroundResource(0);
    super.setTextColor(UI.colorState_text_normal);
    super.setTypeface(Typeface.SANS_SERIF);
    super.setTextSize(TypedValue.COMPLEX_UNIT_PX, UI._18sp);
    super.setMinimumHeight(UI.defaultControlSize);
    super.setGravity(Gravity.LEFT | Gravity.CENTER_VERTICAL);
    setPadding(UI._2sp, 0, UI._8sp, 0);
  }
  
  public void setForceBlack(boolean forceBlack) {
    super.setTextColor(forceBlack ? UI.colorState_text_sel : UI.colorState_text_normal);
  }
  
  @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
  @Override
  public void setBackground(Drawable background) {
    super.setBackground(null);
  }
  
  @Override
  @Deprecated
  public void setBackgroundDrawable(Drawable background) {
    super.setBackgroundDrawable(null);
  }
  
  @Override
  public void setBackgroundResource(int resid) {
    super.setBackgroundResource(0);
  }
  
  @Override
  public void setBackgroundColor(int color) {
    super.setBackgroundResource(0);
  }
  
  @Override
  public Drawable getBackground() {
    return null;
  }
  
  @Override
  @ExportedProperty(category = "drawing")
  public boolean isOpaque() {
    return (state != 0);
  }
  
  @Override
  public void setButtonDrawable(Drawable d) {
    super.setButtonDrawable(d);
    //workaround based on:
    //http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/2.3.3_r1/android/widget/CompoundButton.java#CompoundButton.setButtonDrawable%28android.graphics.drawable.Drawable%29
    //http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/4.2.2_r1/android/widget/CompoundButton.java#CompoundButton.setButtonDrawable%28android.graphics.drawable.Drawable%29
    //
    //the workaround is necessary as CheckBoxes behave differently on Jelly Bean (4.2)
    //http://stackoverflow.com/questions/4037795/android-spacing-between-checkbox-and-text
    this.btnWidth = ((d != null) ? d.getIntrinsicWidth() : 0);
  }
  
  @Override
  public int getPaddingLeft() {
    return paddingL;
  }
  
  @Override
  public int getPaddingRight() {
    return paddingR;
  }
  
  @Override
  public int getCompoundPaddingLeft() {
    return btnWidth + paddingL;
  }
  
  @Override
  public int getCompoundPaddingRight() {
    return paddingR;
  }
  
  @Override
  public void setPadding(int left, int top, int right, int bottom) {
    super.setPadding(0, top, 0, bottom);
    paddingL = left;
    paddingR = right;
  }
  
  @Override
  protected void drawableStateChanged() {
    super.drawableStateChanged();
    state = UI.handleStateChanges(state, isPressed(), isFocused(), this);
  }
  
  @Override
  protected void onDraw(Canvas canvas) {
    getDrawingRect(UI.rect);
    UI.drawBg(canvas, state, UI.rect, true);
    super.onDraw(canvas);
  }
}

Java Source Code List

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