Android Open Source - Material Theme Util

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License

The source code is released under:
Apache License
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Java Source Code

package com.rey.material.util;
//from ww  w  .j  ava2  s  . co m
import android.annotation.TargetApi;
import android.content.Context;
import android.content.res.Resources.Theme;
import android.os.Build;
import android.util.TypedValue;

import com.rey.material.R;

public class ThemeUtil {
    
  private static TypedValue value;
  
  public static int dpToPx(Context context, int dp){
    return (int)(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, context.getResources().getDisplayMetrics()) + 0.5f);
  }
  
  public static int spToPx(Context context, int sp){
    return (int)(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, sp, context.getResources().getDisplayMetrics()) + 0.5f);
  }
  
  private static int getColor(Context context, int id, int defaultValue){
    if(value == null)
      value = new TypedValue();
    
    try{
      Theme theme = context.getTheme();    
      if(theme != null && theme.resolveAttribute(id, value, true) && value.type >= TypedValue.TYPE_FIRST_COLOR_INT && value.type <= TypedValue.TYPE_LAST_COLOR_INT)
        return value.data;
    }
    catch(Exception ex){}
    
    return defaultValue;
  }
  
  public static int windowBackground(Context context, int defaultValue){
    return getColor(context, android.R.attr.windowBackground, defaultValue);
  }
  
  @TargetApi(Build.VERSION_CODES.LOLLIPOP)
  public static int colorPrimary(Context context, int defaultValue){
    if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
      return getColor(context, android.R.attr.colorPrimary, defaultValue);
    
    return getColor(context, R.attr.colorPrimary, defaultValue);
  }
  
  @TargetApi(Build.VERSION_CODES.LOLLIPOP)
  public static int colorPrimaryDark(Context context, int defaultValue){
    if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
      return getColor(context, android.R.attr.colorPrimaryDark, defaultValue);
    
    return getColor(context, R.attr.colorPrimaryDark, defaultValue);
  }
  
  @TargetApi(Build.VERSION_CODES.LOLLIPOP)
  public static int colorAccent(Context context, int defaultValue){
    if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
      return getColor(context, android.R.attr.colorAccent, defaultValue);
    
    return getColor(context, R.attr.colorAccent, defaultValue);
  }
  
  @TargetApi(Build.VERSION_CODES.LOLLIPOP)
  public static int colorControlNormal(Context context, int defaultValue){
    if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
      return getColor(context, android.R.attr.colorControlNormal, defaultValue);
    
    return getColor(context, R.attr.colorControlNormal, defaultValue);
  }
  
  @TargetApi(Build.VERSION_CODES.LOLLIPOP)
  public static int colorControlActivated(Context context, int defaultValue){
    if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
      return getColor(context, android.R.attr.colorControlActivated, defaultValue);
    
    return getColor(context, R.attr.colorControlActivated, defaultValue);
  }
  
  @TargetApi(Build.VERSION_CODES.LOLLIPOP)
  public static int colorControlHighlight(Context context, int defaultValue){
    if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
      return getColor(context, android.R.attr.colorControlHighlight, defaultValue);
    
    return getColor(context, R.attr.colorControlHighlight, defaultValue);
  }
  
  @TargetApi(Build.VERSION_CODES.LOLLIPOP)
  public static int colorButtonNormal(Context context, int defaultValue){
    if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
      return getColor(context, android.R.attr.colorButtonNormal, defaultValue);
    
    return getColor(context, R.attr.colorButtonNormal, defaultValue);
  }
  
  @TargetApi(Build.VERSION_CODES.LOLLIPOP)
  public static int colorSwitchThumbNormal(Context context, int defaultValue){    
    return getColor(context, R.attr.colorSwitchThumbNormal, defaultValue);
  }
  
}
Java Source Code List
