Android 仿支付宝中的余额宝收益进度条

一、 看效果

二、上代码

package com.framework.widget;
import android.app.Activity;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.RectF;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.view.View;
import com.R;
/**
* @author dahai
* @ClassName: (仿支付宝) 收益进度条
* @Description: ${todo}
* @date ${date} ${time}
* @email 202491024@qq.com
* @since $

• android




• 进度条





• */




• public class ProfitProgerssBar extends View {




• //背景色




• private static final int DEFAULT_BACK_COLOR = Color.parseColor("#ffffff");




• //字的颜色




• private static final int DEFAULT_TEXT_COLOR = Color.parseColor("#ffffff");




• //进度条背景颜色




• private static final int DEFAULT_PROGRESS_COLOR = Color.parseColor("#abacaf");




• //进度条默认的高度




• private static final float DEFAULT_PROGRESS_HEIGHT =120f;




• //文字的大小




• private static final float DEFAULT_TEXT_SIZE = 50;




• /**




•  * 收益进度条左右两边margin大小




•  */




• private static final int MARGIN_SIZE = 20;




• private Context context;




• /**




•  * 背景颜色的画笔




•  */




• private Paint backgroundPaint;




• /**




•  * 收益进度颜色的画笔




•  */




• private Paint progressPaint;




• /**




•  * 画文字的画笔




•  */




• private Paint textPaint;




• /**




•  * 背景的宽度




•  */




• private int view_background_width;




• /**




•  * 背景的高度




•  */




• private float view_background_height = DEFAULT_PROGRESS_HEIGHT;




• /**




•  * 日期




•  */




• private String date = "2016/12/07";




• /**




•  * 描叙(百分比/元)




•  */




• private String desc = "2.1234";




• /**




•  * 要显示的长度的百分比




•  */




• private int progress = 70;




• //进度条颜色




• private int progress_color = DEFAULT_PROGRESS_COLOR;




• //背景色




• private int progress_back_color = DEFAULT_BACK_COLOR;




• //字的颜色




• private int text_color = DEFAULT_TEXT_COLOR;




• //字的大小




• private float TEXT_SIZE = DEFAULT_TEXT_SIZE;




• public ProfitProgerssBar(Context context) {




•  super(context);




•  initView(context);




• }




• public ProfitProgerssBar(Context context, AttributeSet attrs) {




•  super(context, attrs);




•  initView(context);




• }




• public ProfitProgerssBar(Context context, AttributeSet attrs, int defStyleAttr) {




•  super(context, attrs, defStyleAttr);




•  initView(context);




• }




• private void initView(Context context) {




•  this.context = context;




•  TypedArray typedArray = this.context.obtainStyledAttributes(R.styleable.ProfitProgerssBar);




•  progress_back_color = typedArray.getColor(R.styleable.ProfitProgerssBar_progress_backg_color,DEFAULT_BACK_COLOR);




•  text_color = typedArray.getColor(R.styleable.ProfitProgerssBar_progress_text_color,DEFAULT_TEXT_COLOR);




•  TEXT_SIZE = typedArray.getDimension(R.styleable.ProfitProgerssBar_progress_text_size,DEFAULT_TEXT_SIZE);




•  backgroundPaint = new Paint();




•  backgroundPaint.setStrokeWidth(10);




•  backgroundPaint.setColor(progress_back_color);




•  backgroundPaint.setDither(true);




•  backgroundPaint.setAntiAlias(true);




•  progressPaint = new Paint();




•  progressPaint.setStrokeWidth(10);




•  progressPaint.setDither(true);




•  progressPaint.setAntiAlias(true);




•  textPaint = new Paint();




•  textPaint.setStrokeWidth(10);




•  textPaint.setDither(true);




•  textPaint.setAntiAlias(true);




•  textPaint.setTextSize(TEXT_SIZE);




•  DisplayMetrics d = new DisplayMetrics();




•  ((Activity) context).getWindowManager().getDefaultDisplay().getMetrics(d);




•  view_background_width = d.widthPixels;




• }




• /**




•  * 初始化 进度条




•  * @param date




•  * @param desc




•  * @param progress




•  * @param progressColor




•  */




• public void init(String date,String desc,int progress,int progressColor){




•  this.date = date;




•  this.desc = desc;




•  this.progress = progress;




•  this.progress_color = progressColor;




• }




• @Override




• protected void onDraw(Canvas canvas) {




•  super.onDraw(canvas);




•  view_background_height = this.getMeasuredHeight();




•  RectF r = new RectF();




•  r.left = 0;




•  r.top = 0;




•  r.right = view_background_width;




•  r.bottom = view_background_height;////------------------------




•  canvas.drawRect(r, backgroundPaint);




•  RectF r1 = new RectF();




•  r1.left = 0;




•  r1.top = 0;




•  r1.right = view_background_width * progress / 100;




•  r1.bottom = view_background_height;////------------------------




•  progressPaint.setColor(progress_color);




•  canvas.drawRect(r1, progressPaint);




•  textPaint.setColor(text_color);




•  Rect r2 = new Rect();




•  textPaint.getTextBounds(date,0,date.length(),r2);




•  canvas.drawText(date, MARGIN_SIZE, (view_background_height-r2.top)/2, textPaint);//日期




•  Rect r3 = new Rect();




•  textPaint.getTextBounds(desc,0,desc.length(),r3);




•  if(progress>95&&progress<100){




•   canvas.drawText(desc, r1.right-textPaint.measureText(desc)-MARGIN_SIZE-30,(view_background_height-r3.top)/2, textPaint);




•  }else if(progress>=100) {




•   canvas.drawText(desc, r1.right-textPaint.measureText(desc)-MARGIN_SIZE-45,(view_background_height-r3.top)/2, textPaint);




•  }else {




•   canvas.drawText(desc, r1.right - textPaint.measureText(desc) - MARGIN_SIZE, (view_background_height - r3.top) / 2, textPaint);




•  }




•  invalidate();




• }




• }

三、

<com.framework.widget.ProfitProgerssBar
android:layout_width="match_parent"
android:layout_height="35dp"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:layout_marginTop="10dp"
app:progress_back_color="@color/white"
app:progress_text_color="@color/white"
app:progress_text_size="14dp"
android:id="@+id/profitProgerssBar"
/>
<declare-styleable name="ProfitProgerssBar">
<attr name="progress_backg_color" format="color"/>
<attr name="progress_text_color" format="color"/>
<attr name="progress_text_size" format="dimension"/>
</declare-styleable>

以上所述是小编给大家介绍的Android 仿支付宝中的余额宝收益进度条网站的支持！

来源：http://blog.csdn.net/susan8888/article/details/53538068