ProgressBarDetermininate.java

package com.marshalchen.common.uimodule.materialdesign.views;

import com.marshalchen.common.uimodule.R;
import com.marshalchen.common.uimodule.materialdesign.utils.Utils;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.drawable.GradientDrawable;
import android.graphics.drawable.LayerDrawable;
import android.util.AttributeSet;
import android.view.View;
import android.widget.RelativeLayout;
import android.widget.RelativeLayout.LayoutParams;

public class ProgressBarDetermininate extends CustomView {
	
	
	int max = 100;
	int min = 0;
	int progress = 0;
	
	int backgroundColor = Color.parseColor("#1E88E5");
	
	View progressView;

	public ProgressBarDetermininate(Context context, AttributeSet attrs) {
		super(context, attrs);
		setAttributes(attrs);
	}
	
	// Set atributtes of XML to View
		protected void setAttributes(AttributeSet attrs){
			
			progressView = new View(getContext());
			LayoutParams params = new LayoutParams(1,1);
			progressView.setLayoutParams(params);
			progressView.setBackgroundResource(R.drawable.material_design_background_progress);
			addView(progressView);
			
			//Set background Color
			// Color by resource
			int bacgroundColor = attrs.getAttributeResourceValue(ANDROIDXML,"background",-1);
			if(bacgroundColor != -1){
				setBackgroundColor(getResources().getColor(bacgroundColor));
			}else{
				// Color by hexadecimal
				String background = attrs.getAttributeValue(ANDROIDXML,"background");
				if(background != null)
					setBackgroundColor(Color.parseColor(background));
				else
					setBackgroundColor(Color.parseColor("#1E88E5"));
			}
			
			min = attrs.getAttributeIntValue(MATERIALDESIGNXML,"min", 0);
			max = attrs.getAttributeIntValue(MATERIALDESIGNXML,"max", 100);
			progress = attrs.getAttributeIntValue(MATERIALDESIGNXML,"progress", min);
			
			setMinimumHeight(Utils.dpToPx(3, getResources()));
			
			post(new Runnable() {
				
				@Override
				public void run() {
					LayoutParams params = (LayoutParams) progressView.getLayoutParams();
					params.height = getHeight();
					progressView.setLayoutParams(params);
				}
			});
						
		}
	
	/**
	 * Make a dark color to ripple effect
	 * @return
	 */
	protected int makePressColor(){
		int r = (this.backgroundColor >> 16) & 0xFF;
		int g = (this.backgroundColor >> 8) & 0xFF;
		int b = (this.backgroundColor >> 0) & 0xFF;
		return Color.argb(128,r, g, b);		
	}
	
	// SETTERS
	
	@Override
	protected void onDraw(Canvas canvas) {
		super.onDraw(canvas);
		if(pendindProgress!=-1)
			setProgress(pendindProgress);
	}
	
	public void setMax(int max){
		this.max = max;
	}
	
	public void setMin(int min){
		this.min = min;
	}
	
	int pendindProgress = -1;
	public void setProgress(int progress){
		if(getWidth() == 0){
			pendindProgress = progress;
		}else{
			this.progress = progress;
			if(progress > max)
				progress = max;
			if(progress < min)
				progress = min;
			int totalWidth = max-min;
			double progressPercent = (double)progress/(double)totalWidth;
			int progressWidth =(int) (getWidth()*progressPercent);
			LayoutParams params = (LayoutParams) progressView.getLayoutParams();
			params.width = progressWidth;
			params.height = getHeight();
			progressView.setLayoutParams(params);
			pendindProgress = -1;
		}
	}
	
	public int getProgress(){
		return progress;
	}
	
	// Set color of background
	public void setBackgroundColor(int color){
		this.backgroundColor = color;
		if(isEnabled())
			beforeBackground = backgroundColor;
		LayerDrawable layer = (LayerDrawable) progressView.getBackground();
		GradientDrawable shape =  (GradientDrawable) layer.findDrawableByLayerId(R.id.shape_bacground);
		shape.setColor(color);
		super.setBackgroundColor(makePressColor());
	}

}