自定义抽奖

自定义抽奖
版本一
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.RectF;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.LinearInterpolator;
import android.view.animation.RotateAnimation;

public class Crcir extends View implements View.OnClickListener {

private int width;
private int height;
private RectF rectF;
private int[] cicleColor = new int[]{Color.parseColor("#8EE5EE"), Color.parseColor("#FFD700"), Color.parseColor("#FFD39B"), Color.parseColor("#FF8247"), Color.parseColor("#FF34B3"), Color.parseColor("#F0E68C")};
private String[] cicleText = new String[]{"美 女","女 神","热 舞","丰 满","性 感","知 性"};
private Paint mPaint;
private int x;
private int y;
private Animation animation;
private boolean isRote;

public Crcir(Context context) {
    this(context, null);
}

public Crcir(Context context, AttributeSet attrs) {
    this(context, attrs, -1);
}

public Crcir(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    DisplayMetrics displayMetrics = context.getResources().getDisplayMetrics();
    int widthPixels = displayMetrics.widthPixels;
    int heightPixels = displayMetrics.heightPixels;
    x = widthPixels / 2;
    y = heightPixels / 2;
    initAnimal();
    setOnClickListener(this);
}

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

    setMeasuredDimension(300, 300);
    width = getMeasuredWidth();
    height = getMeasuredHeight();
    rectF = new RectF(0, 0, width, height);
}

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    canvas.translate(x-180,y-200);
    mPaint = new Paint();
    mPaint.setColor(Color.RED);
    mPaint.setStrokeWidth(2);
    mPaint.setAntiAlias(true);
    for (int i = 0; i < 6; i++) {
        mPaint.setColor(cicleColor[i]);
        canvas.drawArc(rectF,i*60,60,true,mPaint);
        //设置字
        mPaint.setColor(Color.BLACK);
        mPaint.setTextSize(20);
        Path path = new Path();
        path.addArc(rectF,i*60,60);
        canvas.drawTextOnPath(cicleText[i],path,60,60,mPaint);
    }
    //设置小圆
    float centerX = rectF.centerX();
    float centerY = rectF.centerY();
    mPaint.setColor(Color.RED);
    mPaint.setAntiAlias(true);
    canvas.drawCircle(centerX,centerY,50,mPaint);
    String text = "奖";
    mPaint.measureText(text);
    mPaint.setTextSize(20);
    mPaint.setColor(Color.WHITE);
    canvas.drawText(text,width/2-10,height/2+10,mPaint);
    Log.e("w",width+"");
    Log.e("h",height+"");
}
private void initAnimal(){
    animation = new RotateAnimation(0,360,300,475);
    animation.setDuration(300);
    animation.setFillAfter(true);
    animation.setRepeatCount(-1);
    animation.setInterpolator(new LinearInterpolator());
    animation.setRepeatMode(Animation.RESTART);
}

@Override
public void onClick(View v) {
    if (isRote) {
        stopAnima();
        setRoundDom();
    }else {
        startAnima();
    }
}

private void startAnima() {
    isRote=true;
    startAnimation(animation);
}


private void stopAnima() {
    isRote=false;
    clearAnimation();
}

//给一个随机的抽奖结果

private void setRoundDom(){
double random = Math.random();
RotateAnimation rotateAnimation = new RotateAnimation(0, (float) (360*random),x,y);
rotateAnimation.setDuration(2000);
rotateAnimation.setFillAfter(true);
startAnimation(rotateAnimation);
}
}

版本二
public class Cicle extends View implements View.OnClickListener {

private int x;
private int y;
private Paint mPaint;
private int[] mColors;
private int mWidthPixels;
private int mHeightPixels;
private String[] cicleText = new String[]{"美 女","女 神","热 舞","丰 满","性 感","知 性"};
private boolean isRote;
private Animation mAnimation;

public Cicle(Context context) {
    this(context,null);
}

public Cicle(Context context, AttributeSet attrs) {
    this(context, attrs,-1);
}

public Cicle(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    //获取屏幕宽高
    DisplayMetrics displayMetrics = context.getResources().getDisplayMetrics();
    mWidthPixels = displayMetrics.widthPixels;
    mHeightPixels = displayMetrics.heightPixels;
    //获取屏幕中心坐标
    x = mWidthPixels / 2;
    y = mHeightPixels / 2;
    //初始化画笔
    initPaint();
    mColors = new int[]{Color.parseColor("#8EE5EE"), Color.parseColor("#FFD700"), Color.parseColor("#FFD39B"), Color.parseColor("#FF8247"), Color.parseColor("#FF34B3"), Color.parseColor("#F0E68C")};
    initAnimation();
    setOnClickListener(this);
}

private void initPaint() {
    mPaint = new Paint();
    mPaint.setColor(Color.RED);
    mPaint.setAntiAlias(true);
    mPaint.setStrokeWidth(20);
    mPaint.setStyle(Paint.Style.FILL);
}

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    super.onMeasure(300, 300);
}

@Override
protected void onDraw(Canvas canvas) {
    super.onDraw(canvas);
    canvas.translate(x,y);
    RectF rectF = new RectF(-250,-250,250,250);
    float start = 60;
    for (int i =0;i<6;i++){
        mPaint.setColor(mColors[i]);
        canvas.drawArc(rectF,start*i,60,true,mPaint);
    }
    mPaint.setColor(Color.RED);
    canvas.drawCircle(0,0,100,mPaint);
    mPaint.setColor(Color.WHITE);
    mPaint.setTextSize(40);
    Rect rect = new Rect();
    mPaint.getTextBounds("start",0,5,rect);
    int width = rect.width();
    int height = rect.height();
    canvas.drawText("start",width/2-80,height/2,mPaint);
    RectF rectF1 = new RectF(-200,-200,200,200);
    for(int i =0;i<6;i++){
        mPaint.setColor(Color.WHITE);
        mPaint.setTextSize(30);
        Path path = new Path();
        path.addArc(rectF1,start*i+20,60);
        canvas.drawTextOnPath(cicleText[i],path,0,0,mPaint);
    }
}
public void initAnimation(){
    mAnimation = new RotateAnimation(0,360,x,y);
    mAnimation.setDuration(3000);
    mAnimation.setFillAfter(true);
    //设置重复次数
    mAnimation.setRepeatCount(-1);
    //是Animation的xml的一个属性
    mAnimation.setInterpolator(new LinearInterpolator());
    //设置重复模式
    mAnimation.setRepeatMode(Animation.RESTART);
}

private void startAnimation(){
    isRote = true;
    startAnimation(mAnimation);
}
private void stopAnimation(){
    isRote = false;
    clearAnimation();
}

@Override
public void onClick(View v) {
    if(isRote){
        stopAnimation();
        setDome();
    }else{
        startAnimation();
    }
}

public void setDome(){
    double random = Math.random();
    RotateAnimation rotateAnimation = new RotateAnimation(0, (float) (360*random),x,y);
    rotateAnimation.setDuration(300);
    rotateAnimation.setFillAfter(true);
    startAnimation(rotateAnimation);
}

}