Android 仿支付宝中的余额宝收益进度条

 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(); } }