波纹刻度电池View

波纹刻度电池View

import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.LinearGradient;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.RectF;
import android.graphics.Region;
import android.graphics.Shader;
import android.os.Build;
import android.os.Handler;
import android.os.Message;
import android.util.AttributeSet;
import android.view.View;
import com.ums.flowmanager.utils.LoggerUtil;

public class WaveBatteryView extends View {
    private final Paint bollPaint = new Paint();
    // 水的颜色
    public int waveColor = Color.parseColor("#010000FF");
    Context context;
    private float paramFloat = 0.5F;
    private Path iPath;
    private float radius = 1.0F;
    // 圆圈背景颜色 可以设置为透明
    private float circleBg = 0.0F;
    // 水浪画笔
    private Paint wavePaint;
    private Path path;
    // 左右偏移 φ
    private int offset_lan = 0;
    // 上下偏移
    private float offset_por = -10;
    // 角速度
    private float angular_velocity = 0.5f;
    // 振幅
    private int amplitude = 20;

    private int height;
    private int width;
    private float targetHeight;
    private float textHeight;
    private int progress = 0;
    // 0% 时，空白的高度
    private float baseBlank;

    private float left = 50f;
    private float right = 150f;
    private float bottom = 180f;
    private float top = 15f;

    private WaveBatteryView.OnFinishedListener listener;

    private int ms = 4;

    private boolean isRun = true;
    private Handler mHandler = new Handler() {
        @Override
        public void handleMessage(Message msg) {
            if (msg.what == 1) {
                invalidate();
            }
        }
    };
    private MyThread myThread;

    public WaveBatteryView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        this.context = context;
        init();
        d();
    }

    private void init() {
        wavePaint = new Paint();
        wavePaint.setAntiAlias(true);
        wavePaint.setShader(new LinearGradient(130f,
                0f,
                130f,
                260f,
                Color.parseColor("#34A350"),
                Color.parseColor("#00c19a"),
                Shader.TileMode.MIRROR));
        wavePaint.setColor(waveColor);

        path = new Path();

        if (null == myThread) {
            myThread = new MyThread();
        }
//todo
        myThread.start();
        isRun = true;
//        new MyThread().start();
    }

    private void d() {
        bollPaint.setStrokeWidth(1.0F);
        // this.b.setColor(this.e);
        this.iPath = new Path();
    }

    public WaveBatteryView(Context context, AttributeSet attrs) {
        super(context, attrs);
        this.context = context;
        init();
        d();

    }

    public WaveBatteryView(Context context) {
        super(context);
        this.context = context;
        init();
        d();
    }

    public void startThread() {
        this.isRun = true;
//        if (null == myThread) {
//            myThread = new MyThread();
//        }
//        myThread.start();
    }

    public void stopThread() {
        this.isRun = false;
        if (null != myThread) {
        myThread.interrupt();
        }
        myThread = null;
    }

    private void drawBatteryTop(Canvas canvas) {
        Paint mPaint = new Paint();
        mPaint.setColor(Color.parseColor("#545454"));
        mPaint.isAntiAlias();
        mPaint.setStyle(Paint.Style.FILL);
        RectF rectF = new RectF();
        rectF.left = 80f;
        rectF.top =  0f;
        rectF.right = 120f;
        rectF.bottom = 30f;
        radius = 5;
        canvas.drawRoundRect(rectF, radius, radius, mPaint);
    }

    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        canvas.save();
        int x = getWidth();
        int y = getHeight();
        radius = (y / 2 - 10);
        float paramY = (y * (1.0F - paramFloat) - 4.0f);
        circleBg = (paramY + 4.0f);
        this.iPath.reset();
        bollPaint.setColor(Color.TRANSPARENT);

        drawBatteryTop(canvas);
        Paint mPaint = new Paint();
        mPaint.setColor(Color.parseColor("#545454"));
        mPaint.isAntiAlias();
        mPaint.setStyle(Paint.Style.FILL);
        RectF rectF = new RectF();
        rectF.bottom = bottom;
        rectF.top = top;
        rectF.left = left;
        rectF.right = right;
        radius = 10;

        RectF rectF2 = new RectF();
        rectF2.bottom = bottom;
        rectF2.top = top;
        rectF2.left = left;
        rectF2.right = right;
        radius = 10;

        RectF rectF3 = new RectF();
        rectF3.left = 80f;
        rectF3.top =  0f;
        rectF3.right = 120f;
        rectF3.bottom = 30f;

        canvas.drawRoundRect(rectF, radius, radius, mPaint);
        // 将圆形排除到清除区域
        this.iPath.addRoundRect(rectF2, radius, radius,Path.Direction.CCW);
        this.iPath.addRoundRect(rectF3,5,5,Path.Direction.CCW);
        // 裁剪
        canvas.clipPath(this.iPath, Region.Op.REPLACE);
        setPath();

        // 画波浪
        canvas.drawPath(path, wavePaint);

    }
    private void drawBattery(Canvas canvas) {
        Paint mPaint = new Paint();
        mPaint.setColor(Color.parseColor("#545454"));
        mPaint.isAntiAlias();
        mPaint.setStyle(Paint.Style.FILL);
        RectF rectF = new RectF();
        rectF.bottom = bottom;
        rectF.top = top;
        rectF.left = left;
        rectF.right = right;
        radius = 10;
        canvas.drawRoundRect(rectF, radius, radius, mPaint);
    }

    @Override
    @SuppressLint("NewApi")
    protected void onAttachedToWindow() {
        super.onAttachedToWindow();
        if (Build.VERSION.SDK_INT >= 11) {
            setLayerType(1, null);
        }
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
        initLayoutParams();
    }

    private void initLayoutParams() {
        height = this.getHeight();
        width = this.getWidth();
        baseBlank = (float) (height * 0.9);
        targetHeight = baseBlank;
        offset_por = baseBlank;
        textHeight = baseBlank;
    }

    private void setPath() {
        int x = 0;
        int y = 0;
        path.reset();
        for (int i = 0; i < width; i++) {
            x = i;
            y = (int) (amplitude * Math.sin((i * angular_velocity + offset_lan) * Math.PI / 180) + offset_por);
            if (i == 0) {
                path.moveTo(x, y);
            }
            path.quadTo(x, y, x + 1, y);
        }
        path.lineTo(width, height);
        path.lineTo(0, height);
        path.close();
    }

    /**
     * @param p 0~1
     */
    public void updateProgress(float p) {
        if (p >= 0 && p <= 1) {
            targetHeight = (float) (baseBlank * (1 - p));
            invalidate();
        }
    }

    public WaveBatteryView setOffset_lan(int offset_lan) {
        this.offset_lan = offset_lan;
        return this;
    }

    public WaveBatteryView setWaveColor(int color) {
        this.waveColor = color;
        wavePaint.setColor(waveColor);
        return this;
    }

    /**
     * 波浪振幅， 默认为 20
     */
    public WaveBatteryView setAmplitude(int amplitude) {
        this.amplitude = amplitude;
        return this;
    }

    /**
     * @param //浪宽 默认为0.5
     */
    public WaveBatteryView setPalstance(float angular_velocity) {
        this.angular_velocity = angular_velocity;
        return this;
    }

    /**
     * @param ms * 默认为4毫秒
     */
    public WaveBatteryView setRefreshTime(int ms) {
        this.ms = ms;
        return this;
    }

    public void setOnFinishedListener(WaveBatteryView.OnFinishedListener l) {
        this.listener = l;
    }

    public interface OnFinishedListener {
        public void onFinished();
    }

    class MyThread extends Thread {

        @Override
        public void run() {
            LoggerUtil.e("isRun:"+isRun);
            while (isRun) {
                offset_lan++;
                if (offset_por > targetHeight) {
                    offset_por -= 0.5;
                    progress = (int) ((baseBlank - offset_por) / baseBlank * 100);
                    if (textHeight > (height / 2)) {
                        textHeight -= 0.5;
                    }
                }
                if (progress >= 100 && listener != null) {
                    listener.onFinished();
                    isRun = false;
                }
                if (offset_lan == 360) {
                    offset_lan = 0;
                }
                mHandler.sendEmptyMessage(1);
                try {
                    Thread.sleep(ms);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}