九宫格抽奖实现
2.睡了一觉第二天我觉得不合适太消耗内存了，性能了怎么办呢，我就用移动布局的办法实现了一个。
3.到了周六日没事了，我说在改改吧，后来我用动画实现了一拨。当然下面肯定也是几个texview没有自定义，因为消耗性能。
我在网上找了半天都是直接自定义画的，要么性能卡的，要么大家可以自己看看都不太行，
package com.aquarius.customview;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.util.Log;
import android.util.Pair;
import android.view.MotionEvent;
import android.view.View;
import android.view.WindowManager;
import java.util.ArrayList;
import java.util.Random;
/**
* Created by aquarius on 17-4-11.
*/
public class LotteryView extends View {
private int mScreenWidth; // 屏幕宽度
private int mScreenHeight; // 屏幕高度
private int mSelfTotalWidth; // 自身最大的宽度
private static float DEFAULT_SIZE_FACTOR = 0.85f; // 自身占用屏幕宽度的比例
private int mOuterCircleWidth; // 最外边圆环
private Paint mOuterCirclePaint;
private int mOuterCircleBackgroundColor;
private Paint mInnerPaint;
private int mInnerCircleBackgroundColor;
private Paint mSmallCirclePaint;
private int mSmallCircleBlueColor;
private int mSmallCircleYellowColor;
private int mInnerCardTextColor;
private int mInnerCardWidth; // 卡片宽度
private int mInnerCardSpace; // 卡片间隔
private boolean mHadInitial = false;
private ArrayList
private Context mContext;
private AlertDialog mAlertDialog;
private int[] mPicResId;
private String[] mInfoResArray;
private Rect mBounds = new Rect();
private float mSmallInfoTextSize;
private float mBigInfoTextSize;
private boolean mNeedRandomTimes = false;
private int mInvalidateInnerCardCount;
private int mLotteryInvalidateTimes;
private boolean mStartAnimation = false; // not real animation
private boolean mLastEndSelected = false;
private boolean mStartflag;
private String mFlag;
public LotteryView(Context context) {
this(context, null);
}
public LotteryView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public LotteryView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init(context, attrs);
}
private void init(Context context, AttributeSet attrs) {
mContext = context;
acquireCustomAttValues(context, attrs);
WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
DisplayMetrics dm = new DisplayMetrics();
wm.getDefaultDisplay().getMetrics(dm);
mScreenWidth = dm.widthPixels;
mScreenHeight = dm.heightPixels;
mSelfTotalWidth = mScreenWidth < mScreenHeight ?
(int)(mScreenWidth ) : (int)(mScreenHeight);
mSmallInfoTextSize = context.getResources().getDimension(R.dimen.lotteryview_inner_card_text_size);
mBigInfoTextSize = context.getResources().getDimension(R.dimen.lotteryview_inner_card_big_text_size);
mOuterCircleWidth = (int) context.getResources().getDimension(R.dimen.lotteryview_outer_circle_width);
mInnerCardSpace =4;//(int) context.getResources().getDimension(R.dimen.lotteryview_inner_card_blank);//卡片之间距离
mInnerCardWidth = (mSelfTotalWidth- getPaddingLeft() -getPaddingRight() - mOuterCircleWidth * 2 - mInnerCardSpace * 4) / 3;
mInnerCardTextColor = context.getResources().getColor(R.color.inner_card_text_color);
mOuterCircleBackgroundColor = context.getResources().getColor(R.color.outer_circle_bg_color);
mOuterCirclePaint = new Paint();
mOuterCirclePaint.setColor(mOuterCircleBackgroundColor);
mOuterCirclePaint.setAntiAlias(true);
mOuterCirclePaint.setStrokeWidth(mOuterCircleWidth);
mOuterCirclePaint.setStyle(Paint.Style.FILL);
mSmallCircleBlueColor = mSmallCircleBlueColor != 0 ? mSmallCircleBlueColor : context.getResources().getColor(R.color.small_circle_color_blue);
mSmallCircleYellowColor = mSmallCircleYellowColor != 0 ? mSmallCircleYellowColor : context.getResources().getColor(R.color.small_circle_color_yellow);
mSmallCirclePaint = new Paint();
mSmallCirclePaint.setColor(mSmallCircleBlueColor);
mSmallCirclePaint.setAntiAlias(true);
mOuterCirclePaint.setStyle(Paint.Style.FILL);
mInnerCircleBackgroundColor = context.getResources().getColor(R.color.inner_circle_bg_color);
mInnerPaint = new Paint();
mInnerPaint.setAntiAlias(true);
mInnerPaint.setColor(mInnerCircleBackgroundColor);
mInnerPaint.setStyle(Paint.Style.FILL);
mCardPositionInfoList = new ArrayList<>();
initResId();
}
private void acquireCustomAttValues(Context context, AttributeSet attrs) {
TypedArray ta = context.obtainStyledAttributes(attrs, R.styleable.LotteryView);
mSmallCircleBlueColor = ta.getColor(R.styleable.LotteryView_outer_small_circle_color_default, 0);
mSmallCircleYellowColor = ta.getColor(R.styleable.LotteryView_outer_small_circle_color_active, 0);
mLotteryInvalidateTimes = ta.getInt(R.styleable.LotteryView_lottery_invalidate_times, 0);
DEFAULT_SIZE_FACTOR = ta.getFloat(R.styleable.LotteryView_self_width_size_factor, DEFAULT_SIZE_FACTOR);
ta.recycle();
}
/**
* 绘制图片
*/
private void initResId() {
mPicResId = new int[]{
R.mipmap.icon_yifudaipicutbt, R.mipmap.icon_yifudaipicutbt, R.mipmap.icon_yifudaipicutbt,
R.mipmap.icon_yifudaipicutbt, 0, R.mipmap.icon_yifudaipicutbt,
R.mipmap.icon_yifudaipicutbt, R.mipmap.icon_yifudaipicutbt, R.mipmap.icon_yifudaipicutbt
};
mInfoResArray = mContext.getResources().getStringArray(R.array.jifeng_array_info);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
//super.onMeasure(widthMeasureSpec, heightMeasureSpec);
setMeasuredDimension(mSelfTotalWidth, mSelfTotalWidth);
}
@Override
protected void onDraw(Canvas canvas) {
drawInnerBackground(canvas);
drawInnerCards(canvas);
if ("1".equals(mFlag)){
Log.d("otouzi","什么值："+mStartAnimation);
mStartAnimation=mStartflag;
loopInnerRoundCardAnimation();
}
}
/**
*绘制背景
* @param canvas
*/
private void drawInnerBackground(Canvas canvas) {
mInnerPaint.setColor(Color.parseColor("#FF5047"));
canvas.drawRect(mOuterCircleWidth + getPaddingLeft(), mOuterCircleWidth + getPaddingTop(),
mSelfTotalWidth - mOuterCircleWidth - getPaddingRight(),
mSelfTotalWidth - mOuterCircleWidth - getPaddingBottom(), mInnerPaint);
}
private void drawInnerCards(Canvas canvas) {
int left = 0, top = 0, right = 0, bottom = 0;
int spaceNum = 0;
for(int i = 0 ; i < 9 ; i++) {
spaceNum = i % 3 + 1;
left = mOuterCircleWidth + mInnerCardWidth * (i%3) + mInnerCardSpace * spaceNum + getPaddingLeft();
top = mOuterCircleWidth + mInnerCardWidth * (i/3) +mInnerCardSpace * (i/3 + 1) + getPaddingTop();
right = left + mInnerCardWidth;
bottom = top + mInnerCardWidth;
if(!mHadInitial) {
mCardPositionInfoList.add(new Pair(new Pair(left, right), new Pair(top, bottom)));
}
drawInnerRoundCard(canvas, left, top, right, bottom, i);
}
mHadInitial = true;
}
private void drawInnerRoundCard(Canvas canvas, int left, int top, int right, int bottom, int index) {
boolean need = switchCardColorIfNeed(index);
//没有选中的时候
mInnerPaint.setColor(Color.parseColor("#D8D8D8"));
//选中的时候
if(mStartAnimation && need) {
mInnerPaint.setColor(mOuterCircleBackgroundColor);
Bitmap mBitmap=BitmapFactory.decodeResource(getResources(),R.mipmap.icon_yifudaicheckbt);
// canvas.drawBitmap(mBitmap,left,top,mInnerPaint);
if (index==0){
canvas.drawBitmap(mBitmap,left+1,top+91,mInnerPaint);
}else if (index==1){
canvas.drawBitmap(mBitmap,left+1,top+91,mInnerPaint);
} else if (index==2){
canvas.drawBitmap(mBitmap,left+1,top+91,mInnerPaint);
} else if (index==3){
canvas.drawBitmap(mBitmap,left+1,top+10,mInnerPaint);
} else if (index==5){
canvas.drawBitmap(mBitmap,left+1,top+10,mInnerPaint);
} else if (index==6){
canvas.drawBitmap(mBitmap,left+1,top-58,mInnerPaint);
} else if (index==7){
canvas.drawBitmap(mBitmap,left+1,top-58,mInnerPaint);
} else if (index==8){
canvas.drawBitmap(mBitmap,left+1,top-58,mInnerPaint);
}
}
// 绘制内部小卡片
if(index == 4) {
mInnerPaint.setColor(Color.parseColor("#FF5047"));
}
if(index ==4) {
mInnerPaint.setColor(Color.parseColor("#FF5047"));
Bitmap bitmap=BitmapFactory.decodeResource(getResources(),R.mipmap.icon_yifudaiopen);
int space = mInnerCardWidth / 9;
// canvas.drawRoundRect(left + space, top + space, right - space, bottom - space, 12, 12, mInnerPaint);
canvas.drawBitmap(bitmap,left ,top+20,mInnerPaint);
}
// 绘制卡片中的图片
int picHeight = 0;
if (mPicResId != null && mPicResId[index] != 0) {
Bitmap bitmap = BitmapFactory.decodeResource(mContext.getResources(),mPicResId[index]);
if (index==0){
canvas.drawBitmap(bitmap,left+10,top+100,mInnerPaint);
}else if (index==1){
canvas.drawBitmap(bitmap,left+10,top+100,mInnerPaint);
}else if (index==2){
canvas.drawBitmap(bitmap,left+10,top+100,mInnerPaint);
}else if (index==3){
canvas.drawBitmap(bitmap,left+10,top+20,mInnerPaint);
}else if (index==5){
canvas.drawBitmap(bitmap,left+10,top+20,mInnerPaint);
} else {
canvas.drawBitmap(bitmap,left+10,top-50,mInnerPaint);
}
}
}
private boolean switchCardColorIfNeed(int index) {
int result = mInvalidateInnerCardCount % 9;
if((result == 0 && index == 0) || (result == 1 && index == 1) || (result == 2 && index == 2)
|| (result == 6 && index == 6)) {
return true;
}
if((result == 3 && index == 5) || (result == 4 && index == 8) || (result == 5 && index == 7)
|| (result == 7 && index == 3)) {
return true;
}
return false;
}
/**
* 抽奖动画
*/
private void loopInnerRoundCardAnimation() {
if(!mStartAnimation || mLastEndSelected){
return;
}
if(mInvalidateInnerCardCount == mLotteryInvalidateTimes){
//mStartAnimation = false;
mLastEndSelected = true;
postInvalidate();
postDelayed(new ResultTask(mLotteryInvalidateTimes), 200);
return;
}
mInvalidateInnerCardCount++;
postInvalidateDelayed(20);
}
private class ResultTask implements Runnable{
int times;
public ResultTask(int times) {
this.times = times;
}
@Override
public void run() {
mInvalidateInnerCardCount = 0;//没有用
mLastEndSelected = false;//重新开始抽奖判断
String info = "";
int i = times % 9;
info = mInfoResArray[i];
if(i == 3) info = mInfoResArray[5];
if(i == 4) info = mInfoResArray[8];
if(i == 5) info = mInfoResArray[7];
if(i == 7) info = mInfoResArray[3];
showResultDialog(mContext, info);
}
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
int x = (int) event.getX();
int y = (int) event.getY();
int action = event.getAction();
switch (action) {
case MotionEvent.ACTION_DOWN:
break;
case MotionEvent.ACTION_UP:
int index = getTouchPositionInCardList(x, y);
if(index == 5) {
if(mNeedRandomTimes || mLotteryInvalidateTimes == 0) {
mLotteryInvalidateTimes = (new Random().nextInt(3) + 1) * 9 + new Random().nextInt(8);
mNeedRandomTimes = true;
}
//提示谈款
showReminderDialog(mContext);
}
break;
}
return true;
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
mStartAnimation = false;
mInvalidateInnerCardCount = 0;
mNeedRandomTimes = false;
}
private void showResultDialog(Context context, String result) {
final AlertDialog.Builder builder = new AlertDialog.Builder(context);
builder.setTitle(R.string.result_title)
.setMessage(context.getString(R.string.result_message, result))
.setCancelable(true)
.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
builder.create().show();
}
private void showReminderDialog(Context context) {
setStart("1",true);
mStartAnimation = true;
invalidate();
}
private int getTouchPositionInCardList(int x, int y) {
if(mCardPositionInfoList != null) {
int index = 1;
for (Pair
if(x > pair.first.first && x < pair.first.second && y > pair.second.first && y < pair.second.second) {
return index;
}
index++;
}
}
return 0;
}
/**
* 空间开始
*/
public void setStart(String flag,boolean staranflag){
mFlag=flag;
mStartflag=staranflag;
}
}
第二种：方式
package com.aquarius.customview;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.View;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;
/**
* 俩种实现抽奖功能，可以自己切换，这种是我喜欢的方式，其实还有第三种就是动画实现，这个比较简单
*/
public class OterActivity extends Activity {
private TextView move;
private TextView tvOnclik;
private int wiht=0;
private int height=0;
private int spect=0;
private int size=0;
private int spectsize=0;
private Handler handler=new Handler(){
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
if (msg.what!=0){
setMove(size);
Toast.makeText(OterActivity.this,msg.what+":第几个",Toast.LENGTH_LONG).show();
size++;
if (size==8){
size=0;
}
}
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_oter);
move=findViewById(R.id.move);
tvOnclik=findViewById(R.id.tv_onclick);
wiht= (int) getResources().getDimension(R.dimen.allwitht);
height=(int) getResources().getDimension(R.dimen.allheight);
spect=(int) getResources().getDimension(R.dimen.spect);
spectsize=(int) getResources().getDimension(R.dimen.spectsize);
tvOnclik.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
new Thread(new ResultTask(12)).start();
}
});
}
private void setMove(int size){
RelativeLayout.LayoutParams layoutParams= (RelativeLayout.LayoutParams) move.getLayoutParams();
if (size==0){
layoutParams.setMargins(wiht+2*spect,spect,0,0);
}else if (size==1){
layoutParams.setMargins(2*wiht+3*spect,spect,0,0);
}else if (size==2){
layoutParams.setMargins(2*wiht+3*spect,height+2*spectsize,0,0);
}else if (size==3){
layoutParams.setMargins(2*wiht+3*spect,2*height+3*spectsize-2,0,0);
}else if (size==4){
layoutParams.setMargins(wiht+2*spect,2*height+3*spectsize,0,0);
}else if (size==5){
layoutParams.setMargins(spect,2*height+3*spectsize,0,0);
}else if (size==6){
layoutParams.setMargins(spect,height+2*spectsize,0,0);
}else if (size==7){
layoutParams.setMargins(spect,spect,0,0);
}
move.requestLayout();
}
private class ResultTask implements Runnable{
int times;
public ResultTask(int times) {
this.times = times;
}
@Override
public void run() {
for (int b=0;b try { Thread.sleep(200); handler.sendEmptyMessage(b); } catch (InterruptedException e) { e.printStackTrace(); } } } } } 最后我会一回上传demo到csdn