Android-打造炫酷进度条

程序员文章站 2024-02-02 11:56:25

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Android-打造炫酷进度条

HorizontalProgressbarWithProgress的代码

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.os.Build;
import android.support.annotation.RequiresApi;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.widget.ProgressBar;

import trunk.doi.base.R;

/**
 * 作者：Mr.Lee on 2017-10-17 15:51
 * 邮箱：aaa@qq.com
 */

public class HorizontalProgressbarWithProgress extends ProgressBar{

    private static final int DEFAULT_TEXT_SIZE=10;//sp
    private static final int DEFAULT_TEXT_COLOR=0xFFFC00D1;
    private static final int DEFAULT_COLOR_UNREACH=0xFFD3D6DA;
    private static final int DEFAULT_HEIGHT_UNREACH=2;//dp
    private static final int DEFAULT_COLOR_REACH=DEFAULT_TEXT_COLOR;
    private static final int DEFAULT_HEIGHT_REACH=2;
    private static final int DEFAULT_TEXT_OFFSET=10;

    protected int mTextSize=sp2px(DEFAULT_TEXT_SIZE);
    protected int mTextColor=DEFAULT_TEXT_COLOR;
    protected int mUnReachColor=DEFAULT_COLOR_UNREACH;
    protected int mUnReachHeigh=dp2px(DEFAULT_HEIGHT_UNREACH);
    protected int mReachHeigh=dp2px(DEFAULT_HEIGHT_REACH);
    protected int mReachColor=DEFAULT_COLOR_REACH;
    protected int mTextOffset=dp2px(DEFAULT_TEXT_OFFSET);

    protected Paint mPaint=new Paint();
    protected int mRealWidth;

    public HorizontalProgressbarWithProgress(Context context) {
        super(context);
        init(null);
    }

    public HorizontalProgressbarWithProgress(Context context, AttributeSet attrs) {
        super(context, attrs);
        init(attrs);

    }

    public HorizontalProgressbarWithProgress(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        init(attrs);
    }

    @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
    public HorizontalProgressbarWithProgress(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
        super(context, attrs, defStyleAttr, defStyleRes);
        init(attrs);
    }
    private void init(AttributeSet attrs) {


        /**
         * 获取dimension的方法有几种，区别不大
         * 共同点是都会将dp，sp的单位转为px，px单位的保持不变
         *
         * getDimension() 返回float，
         * getDimensionPixelSize 返回int 小数部分四舍五入
         * getDimensionPixelOffset 返回int，但是会抹去小数部分
         */
        TypedArray array=getContext().obtainStyledAttributes(attrs, R.styleable.HorizontalProgressbarWithProgress);

        mTextSize= (int) array.getDimension(R.styleable.HorizontalProgressbarWithProgress_progress_text_size,mTextSize);
        mTextColor=array.getColor(R.styleable.HorizontalProgressbarWithProgress_progress_text_color,mTextColor);
        mUnReachColor=array.getColor(R.styleable.HorizontalProgressbarWithProgress_progress_unreach_color,mUnReachColor);
        mUnReachHeigh=(int) array.getDimension(R.styleable.HorizontalProgressbarWithProgress_progress_unreach_height,mUnReachHeigh);
        mReachHeigh=(int) array.getDimension(R.styleable.HorizontalProgressbarWithProgress_progress_reach_height,mReachHeigh);
        mTextOffset=(int) array.getDimension(R.styleable.HorizontalProgressbarWithProgress_progress_text_offset,mTextOffset);
        mReachColor=array.getColor(R.styleable.HorizontalProgressbarWithProgress_progress_reach_color,mReachColor);

        array.recycle();

        mPaint.setTextSize(mTextSize);

    }

    @Override
    protected synchronized void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
//        int widthMode=MeasureSpec.getMode(widthMeasureSpec);
        int width=MeasureSpec.getSize(widthMeasureSpec);
        int heigh=measureHeight(heightMeasureSpec);
        setMeasuredDimension(width,heigh);
        mRealWidth=getMeasuredWidth()-getPaddingLeft()-getPaddingRight();
    }



    private int measureHeight(int heightMeasureSpec) {

        int result=0;
        int mode=MeasureSpec.getMode(heightMeasureSpec);
        int size=MeasureSpec.getSize(heightMeasureSpec);

        if(mode==MeasureSpec.EXACTLY){
            result=size;
        }else{
            int textHeigh= (int) (mPaint.descent()-mPaint.ascent());
            result=getPaddingTop()+getPaddingBottom()+Math.max(Math.max(mReachHeigh,mUnReachHeigh),Math.abs(textHeigh));
            if(mode==MeasureSpec.AT_MOST){
                result=Math.min(result,size);
            }
        }
        return result;

    }

    @Override
    protected synchronized void onDraw(Canvas canvas) {


        canvas.save();
        canvas.translate(getPaddingLeft(),getHeight()/2);

        boolean noNeedUnReach=false;
        String text=getProgress()+"%";
        int textWidth= (int) mPaint.measureText(text);
        float radio =getProgress()*1.0f/getMax();
        float progressX=radio*mRealWidth;
        if(progressX+textWidth>mRealWidth){
            progressX=mRealWidth-textWidth;
            noNeedUnReach=true;
        }

        float endX=progressX-mTextOffset/2;
        if(endX>0){
            mPaint.setColor(mReachColor);
            mPaint.setStrokeWidth(mReachHeigh);
            canvas.drawLine(0,0,endX,0,mPaint);
        }

        //draw text
        mPaint.setColor(mTextColor);
        int y = (int) (-(mPaint.descent()+mPaint.ascent())/2);
        canvas.drawText(text,progressX,y,mPaint);


        //draw unreach bar
        if(!noNeedUnReach){
            float startX=progressX+ mTextOffset/2+textWidth;
            mPaint.setColor(mUnReachColor);
            mPaint.setStrokeWidth(mUnReachHeigh);
            canvas.drawLine(startX,0,mRealWidth,0,mPaint);
        }
        canvas.restore();


    }

    protected int dp2px(int dpVal){
        return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP,dpVal,getResources().getDisplayMetrics());
    }
    protected int sp2px(int spVal){
        return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP,spVal,getResources().getDisplayMetrics());
    }

}

RoundProgressBarWithProgress的代码

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.RectF;
import android.os.Build;
import android.support.annotation.RequiresApi;
import android.util.AttributeSet;

import trunk.doi.base.R;

/**
 * 作者：Mr.Lee on 2017-10-18 10:48
 * 邮箱：aaa@qq.com
 */

public class RoundProgressBarWithProgress extends HorizontalProgressbarWithProgress {


    private int mRadius=dp2px(30);
    private int mMaxPaintWidth;

    public RoundProgressBarWithProgress(Context context) {
        super(context);
        init(null);
    }

    public RoundProgressBarWithProgress(Context context, AttributeSet attrs) {
        super(context, attrs);
        init(attrs);
    }

    public RoundProgressBarWithProgress(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        init(attrs);
    }

    @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
    public RoundProgressBarWithProgress(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
        super(context, attrs, defStyleAttr, defStyleRes);
        init(attrs);
    }


    private void init(AttributeSet attrs){

        mReachHeigh= (int) (mUnReachHeigh*2.5f);

        TypedArray array=getContext().obtainStyledAttributes(attrs, R.styleable.RoundProgressBarWithProgress);
        mRadius=(int) array.getDimension(R.styleable.RoundProgressBarWithProgress_radius,mRadius);
        array.recycle();

        mPaint.setStyle(Paint.Style.STROKE);
        mPaint.setAntiAlias(true);
        mPaint.setDither(true);
        mPaint.setStrokeCap(Paint.Cap.ROUND);

    }

    @Override
    protected synchronized void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {

        mMaxPaintWidth=Math.max(mReachHeigh,mUnReachHeigh);
        //默认4个padding一致
        int except=mRadius*2+mMaxPaintWidth+getPaddingLeft()+getPaddingRight();
        int width=resolveSize(except,widthMeasureSpec);
        int height=resolveSize(except,heightMeasureSpec);
        int realWidth=Math.min(width,height);

        mRadius=(realWidth-getPaddingLeft()-getPaddingRight()-mMaxPaintWidth)/2;

        setMeasuredDimension(realWidth,realWidth);
    }

    @Override
    protected synchronized void onDraw(Canvas canvas) {

        String text=getProgress()+"%";
        float textWidth=mPaint.measureText(text);
        float textHeight=(mPaint.ascent()+mPaint.descent())/2;

        canvas.save();
        canvas.translate(getPaddingLeft(),getPaddingTop());

        mPaint.setStyle(Paint.Style.STROKE);
        // draw unreachbar
        mPaint.setColor(mUnReachColor);
        mPaint.setStrokeWidth(mUnReachHeigh);
        canvas.drawCircle(mRadius,mRadius,mRadius,mPaint);
        //draw reach bar
        mPaint.setColor(mReachColor);
        mPaint.setStrokeWidth(mReachHeigh);
        float sweepAngle=getProgress()*1.0f/getMax()*360;
        canvas.drawArc(new RectF(0,0,mRadius*2,mRadius*2),0,sweepAngle,false,mPaint);
        //draw text
        mPaint.setColor(mTextColor);
        mPaint.setStyle(Paint.Style.FILL);
        canvas.drawText(text,mRadius-textWidth/2,mRadius-textHeight,mPaint);

        canvas.restore();

    }
}

activity_view_mv代码

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/rl_view"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
    >


        <trunk.doi.base.ui.activity.test.HorizontalProgressbarWithProgress
            android:id="@+id/progress_bar"
            style="?android:attr/progressBarStyleHorizontal"
            android:layout_marginTop="50dp"
            android:padding="5dp"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:max="100"
            android:progress="50"
            app:progress_unreach_color="@color/pink"
            app:progress_text_color="@color/yellow"
            app:progress_reach_color="@color/red"
            />

        <android.support.v7.widget.AppCompatSeekBar
            android:id="@+id/seekbar"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:padding="5dp"
            android:layout_marginTop="100dp"
            />

        <trunk.doi.base.ui.activity.test.RoundProgressBarWithProgress
            android:id="@+id/progress_bar2"
            style="?android:attr/progressBarStyleHorizontal"
            android:layout_marginTop="150dp"
            android:padding="5dp"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:max="100"
            android:progress="0"
            app:progress_unreach_color="@color/pink"
            app:progress_text_color="@color/yellow"
            app:progress_reach_color="@color/red"
            app:progress_reach_height="3dp"
            app:progress_unreach_height="1dp"
            app:radius="200dp"
            />

</RelativeLayout>

ViewMvActivity代码

import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.widget.AppCompatSeekBar;
import android.view.MotionEvent;
import android.view.View;
import android.widget.RelativeLayout;
import android.widget.SeekBar;

import butterknife.BindView;
import trunk.doi.base.R;
import trunk.doi.base.base.BaseActivity;

public class ViewMvActivity extends BaseActivity {

    //没有集成Butterknife的findviewbyid()

    @BindView(R.id.progress_bar)
    HorizontalProgressbarWithProgress progress_bar;
    @BindView(R.id.progress_bar2)
    RoundProgressBarWithProgress progress_bar2;
    @BindView(R.id.seekbar)
    AppCompatSeekBar seekbar;

    private float mTouchStartY;
    private static final float TOUCH_MOVE_MAX_Y=600;

    @Override
    protected int initLayoutId() {
        return R.layout.activity_view_mv;
    }

    @Override
    protected void initView(@Nullable Bundle savedInstanceState) {

    }

    @Override
    protected void setListener() {

        seekbar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
            @Override
            public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
                progress_bar.setProgress(progress);
                progress_bar2.setProgress(progress);
            }

            @Override
            public void onStartTrackingTouch(SeekBar seekBar) {

            }

            @Override
            public void onStopTrackingTouch(SeekBar seekBar) {

            }
        });


    }

    @Override
    protected void initData() {

    }


}

Android-打造炫酷进度条

HorizontalProgressbarWithProgress的代码

RoundProgressBarWithProgress的代码

activity_view_mv代码

ViewMvActivity代码

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