android刮奖效果

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:id="@+id/layout"    android:layout_width="match_parent"    android:layout_height="match_parent"     >          </RelativeLayout>

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:id="@+id/layout"    android:layout_width="match_parent"    android:layout_height="match_parent"     >       <Button         android:id="@+id/erniebtn"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:text="点击开始抽奖"        />        <RelativeLayout         android:id="@+id/container"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:layout_centerInParent="true"        >            </RelativeLayout>        </RelativeLayout>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.lxl.lotteries"    android:versionCode="1"    android:versionName="1.0" >    <uses-sdk        android:minSdkVersion="8"        android:targetSdkVersion="17" />    <application        android:allowBackup="true"        android:icon="@drawable/ic_launcher"        android:label="@string/app_name"        android:theme="@style/AppTheme" >         <activity            android:name="com.lxl.lotteries.ErnieActivity"            android:label="@string/app_name"            android:launchMode="singleInstance" >            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>    </application></manifest>

package com.lxl.lotteries.show;import android.content.Context;import android.graphics.Color;import android.os.Handler;import android.os.Message;import android.view.View;import android.view.ViewGroup;import android.view.ViewGroup.LayoutParams;import android.widget.Button;import android.widget.FrameLayout;import android.widget.RelativeLayout;import android.widget.Toast;import com.lxl.lotteries.R;import com.lxl.lotteries.util.PhoneUtil;public class ErinieShow extends RelativeLayout {Context context;RelativeLayout rubblerBG;RubblerShow rubblerShow;Button getReward;int rubblerBGId = 10001;int getRewardId = 10002;int level;public ErinieShow(Context context, int level) {super(context);this.context = context;this.level = level;getElement();setElementLP();setElementStyle();setElement();}private void getElement() {rubblerBG = new RelativeLayout(context);rubblerShow = new RubblerShow(context,handler);getReward = new Button(context);rubblerBG.setId(rubblerBGId);getReward.setId(getRewardId);rubblerBG.addView(rubblerShow);addView(rubblerBG);addView(getReward);}private void setElementLP() {int[] resolution = PhoneUtil.getResolution(context);RelativeLayout.LayoutParams rubblerBG_LP = new RelativeLayout.LayoutParams(resolution[0], PhoneUtil.getFitHeight(context, 125));rubblerBG.setLayoutParams(rubblerBG_LP);rubblerShow.setLayoutParams(rubblerBG_LP);RelativeLayout.LayoutParams getReward_LP = new LayoutParams(-2, -2);getReward_LP.addRule(RelativeLayout.CENTER_HORIZONTAL);getReward_LP.addRule(RelativeLayout.BELOW,rubblerBGId);getReward.setLayoutParams(getReward_LP);}private void setElementStyle() {switch (level) {case 0:rubblerBG.setBackgroundResource(R.drawable.rewardlevel0);break;case 1:rubblerBG.setBackgroundResource(R.drawable.rewardlevel1);break;case 2:rubblerBG.setBackgroundResource(R.drawable.rewardlevel2);break;default:rubblerBG.setBackgroundResource(R.drawable.rewardlevel3);break;}//getReward.setBackgroundResource(R.drawable.get_award);}private void setElement() {rubblerShow.beginRubbler(Color.parseColor("#d3d3d3"), 30, 10);getReward.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {if(level==0){Toast.makeText(context, "很遗憾，此次未中奖，再接再厉吧！", Toast.LENGTH_SHORT).show();}else{Toast.makeText(context, "恭喜您，获得了"+level+"等奖。", Toast.LENGTH_SHORT).show();}}});//先设置为不可点击getReward.setClickable(false);getReward.setText("领奖");}Handler handler=new Handler(){@Overridepublic void handleMessage(Message msg) {super.handleMessage(msg);if(msg.what==200){getReward.setClickable(true);}else{}}};}

package com.lxl.lotteries.show;import android.content.Context;import android.graphics.Bitmap;import android.graphics.Bitmap.Config;import android.graphics.Canvas;import android.graphics.Color;import android.graphics.Paint;import android.graphics.Path;import android.graphics.PorterDuff;import android.graphics.PorterDuffXfermode;import android.os.Handler;import android.util.AttributeSet;import android.view.MotionEvent;import android.view.ViewGroup.LayoutParams;import android.widget.TextView;public class RubblerShow extends TextView {private float TOUCH_TOLERANCE; // 填充距离，使线条更自然，柔和,值越小，越柔和。// private final int bgColor;private Bitmap mBitmap;private Canvas mCanvas;private Paint mPaint;private Path mPath;private float mX, mY;private boolean isDraw = false;Handler handler;int time=0;public RubblerShow(Context context, Handler handler) {super(context);this.handler=handler;// bgColor =// attrs.getAttributeIntValue("http://schemas.android.com/apk/res/android",// "textColor", 0xFFFFFF);// System.out.println(bgColor);// System.out.println(attrs.getAttributeValue("http://schemas.android.com/apk/res/android",// "layout_width"));}@Overrideprotected void onDraw(Canvas canvas) {super.onDraw(canvas);if (isDraw) {mCanvas.drawPath(mPath, mPaint);// mCanvas.drawPoint(mX, mY, mPaint);canvas.drawBitmap(mBitmap, 0, 0, null);}}/** * 开启檫除功能 *  * @param bgColor *            覆盖的背景颜色 * @param paintStrokeWidth *            触点（橡皮）宽度 * @param touchTolerance *            填充距离,值越小，越柔和。 */public void beginRubbler(final int bgColor, final int paintStrokeWidth,float touchTolerance) {TOUCH_TOLERANCE = touchTolerance;// 设置画笔mPaint = new Paint();// mPaint.setAlpha(0);// 画笔划过的痕迹就变成透明色了mPaint.setColor(Color.BLACK); // 此处不能为透明色mPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_OUT));// 或者// mPaint.setAlpha(0);// mPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST_IN));mPaint.setAntiAlias(true);mPaint.setDither(true);mPaint.setStyle(Paint.Style.STROKE);mPaint.setStrokeJoin(Paint.Join.ROUND); // 前圆角mPaint.setStrokeCap(Paint.Cap.ROUND); // 后圆角mPaint.setStrokeWidth(paintStrokeWidth); // 笔宽// 痕迹mPath = new Path();// 覆盖LayoutParams layoutParams = getLayoutParams();int height = layoutParams.height;int width;if (getLayoutParams().width == LayoutParams.MATCH_PARENT) {width = 700;} else {width = layoutParams.width;}mBitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888);mCanvas = new Canvas(mBitmap);mCanvas.drawColor(bgColor);isDraw = true;}@Overridepublic boolean onTouchEvent(MotionEvent event) {if (!isDraw) {return true;}switch (event.getAction()) {case MotionEvent.ACTION_DOWN: // 触点按下// touchDown(event.getRawX(),event.getRawY());touchDown(event.getX(), event.getY());invalidate();break;case MotionEvent.ACTION_MOVE: // 触点移动touchMove(event.getX(), event.getY());invalidate();if(time++>3&&handler!=null){handler.sendEmptyMessage(200);}break;case MotionEvent.ACTION_UP: // 触点弹起touchUp(event.getX(), event.getY());invalidate();break;default:break;}return true;}private void touchDown(float x, float y) {mPath.reset();mPath.moveTo(x, y);mX = x;mY = y;}private void touchMove(float x, float y) {float dx = Math.abs(x - mX);float dy = Math.abs(y - mY);if (dx >= TOUCH_TOLERANCE || dy >= TOUCH_TOLERANCE) {mPath.quadTo(mX, mY, (x + mX) / 2, (y + mY) / 2);mX = x;mY = y;}}private void touchUp(float x, float y) {mPath.lineTo(x, y);mCanvas.drawPath(mPath, mPaint);mPath.reset();}}

package com.lxl.lotteries.util;import android.app.ActivityManager;import android.app.NotificationManager;import android.content.Context;import android.location.LocationManager;import android.net.ConnectivityManager;import android.net.NetworkInfo;import android.net.wifi.WifiInfo;import android.net.wifi.WifiManager;import android.os.PowerManager;import android.os.PowerManager.WakeLock;import android.telephony.TelephonyManager;import android.view.WindowManager;/** * get all manager from this class * @author liu * */public class PhoneManager {/** * get ActivityManager */public static ActivityManager getActivityManager(Context context){if(context==null)return null;ActivityManager activityManager = (ActivityManager)context.getSystemService(Context.ACTIVITY_SERVICE);  return activityManager;}/** * get ActivityManager */public static PowerManager getPowerManager(Context context){if(context==null)return null;PowerManager powerManager = (PowerManager)context.getSystemService(Context.POWER_SERVICE);  return powerManager;}/** * get WindowManager */public static WindowManager getWindowManger(Context context){if(context==null)return null;WindowManager windowManager = null;windowManager=(WindowManager)context.getSystemService(Context.WINDOW_SERVICE);return windowManager;}/** * get TelephonyManager */public static TelephonyManager getTelephonyManager(Context context){if(context==null)return null;TelephonyManager telephonyManager=null;telephonyManager=(TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);return telephonyManager;}/** * get ConnectivityManager */public static ConnectivityManager getConnectivityManager(Context context){if(context==null)return null;ConnectivityManager connectivityManager=null;connectivityManager=(ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);return connectivityManager;}/** *  */public static NetworkInfo getNetworkInfo(Context context){if(context==null)return null;NetworkInfo ni = getConnectivityManager(context).getActiveNetworkInfo();    return ni;}/** * wifi's state can change * so everytime calling this method we must get a new WifiManager * @param context * @return */public static WifiManager getWifiManager(Context context){if(context==null)return null;WifiManager wifiManager=null;wifiManager=(WifiManager) context.getSystemService(Context.WIFI_SERVICE);return wifiManager;}/** * get WifiInfo * @param context * @return */public static WifiInfo getWifiInfo(Context context){if(context==null)return null;return getWifiManager(context).getConnectionInfo();}public static LocationManager getLocationManager(Context context) {if(context==null)return null;return (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);}public static NotificationManager getNotificationManager(Context context) {if(context==null)return null;return (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);}public static WakeLock getWakeLock(Context context){PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);WakeLock mWakeLock=pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, "My Tag");return mWakeLock;}}

package com.lxl.lotteries.util;import java.lang.reflect.Field;import android.app.Activity;import android.content.Context;import android.telephony.TelephonyManager;import android.telephony.cdma.CdmaCellLocation;import android.telephony.gsm.GsmCellLocation;import android.util.DisplayMetrics;import android.view.Display;import android.view.WindowManager;import android.widget.Toast;/** * get any infomation about phone from this class * @author liu */public class PhoneUtil {public static int screenHeight;public static int screenWidth;public static int unitHeight;public static int sbar;public static int itemHeight;public static void init(Context context){int[] resolution=getResolution(context);screenWidth=resolution[0];screenHeight=resolution[1];unitHeight=screenHeight/10;sbar = getSbar(context);itemHeight=screenHeight-2*unitHeight-sbar;}    public double getDensity(Context context){    DisplayMetrics displayMetrics = context.getResources().getDisplayMetrics();    return displayMetrics.density;    }        /**     * get resolution     * @param context     * @return     */    public static int[] getResolution(Context context){    int resolution[]=new int[2];    DisplayMetrics dm = new DisplayMetrics();    PhoneManager.getWindowManger(context).getDefaultDisplay().getMetrics(dm);    resolution[0]=dm.widthPixels;    resolution[1]=dm.heightPixels;    return resolution;    }    /** * get Imsi(International Mobile Subscriber Identification Number) * @param context * @return Imsi */public static String getImsi(Context context){String imsi = PhoneManager.getTelephonyManager(context).getSubscriberId();return imsi;}    public static String getDeviceId(Context context){String deviceId=PhoneManager.getTelephonyManager(context).getDeviceId();return deviceId;}/** * ��ȡ��վ��λ��Ϣ * ��������Ϊ int[0]=cid int[1]=lac  * @param context */    public static int[] getCellLocation(Context context){    int[] i=new int[2];    String simType=getPhoneType(context);    if(simType.equals("GSM")){    GsmCellLocation gsm = (GsmCellLocation) PhoneManager.getTelephonyManager(context).getCellLocation();      i[0] = gsm.getCid();      i[1] = gsm.getLac();      }else{     CdmaCellLocation cdma = (CdmaCellLocation) PhoneManager.getTelephonyManager(context).getCellLocation();      i[0] = cdma.getBaseStationId();      i[1] = cdma.getNetworkId();     }    return i;    }        /**��ȡ�������� GSM ���� CDMA*/public static String getPhoneType(Context context) {String simType="NONE";TelephonyManager tm = PhoneManager.getTelephonyManager(context);int phoneType = tm.getPhoneType();if (phoneType == TelephonyManager.PHONE_TYPE_GSM) {simType = "GSM";} else if (phoneType == TelephonyManager.PHONE_TYPE_CDMA) {simType = "CDMA";} else {simType = "NONE";}return simType;}    /** * �ж��Ƿ�Ϊƽ�� * @return */public static boolean isPad(Context context) {WindowManager wm = PhoneManager.getWindowManger(context);Display display = wm.getDefaultDisplay();DisplayMetrics dm = new DisplayMetrics();display.getMetrics(dm);double x = Math.pow(dm.widthPixels / dm.xdpi, 2);double y = Math.pow(dm.heightPixels / dm.ydpi, 2);// ��Ļ�ߴ�double screenInches = Math.sqrt(x + y);// ����6�ߴ���ΪPadif (screenInches >= 6.0) {return true;}return false;}    /** * get fit width for different resolution,input param is width for 720 * @param width */public static int getFitWidth(Context context,int inwidth){if(context==null)return inwidth;int screenwidth=getResolution(context)[0];return (inwidth*screenwidth)/720;}/** * get fit width for different resolution,input param is width for 1180 * @param width */public static int getFitHeight(Context context,int inheight){if(context==null)return inheight;int screenheight=getResolution(context)[1];return (inheight*screenheight)/1280;}public static int getFitTextSize(Context context,int textsize){if(context==null)return textsize;int screenheight=getResolution(context)[1];return (textsize*screenheight)/1280;}public static int getSbar(Context context){Class<?> c = null;Object obj = null;Field field = null;int x = 0, sbar = 0;try {    c = Class.forName("com.android.internal.R$dimen");    obj = c.newInstance();    field = c.getField("status_bar_height");    x = Integer.parseInt(field.get(obj).toString());    sbar = context.getResources().getDimensionPixelSize(x);} catch (Exception e1) {    e1.printStackTrace();} return sbar;}public static void showToast(final Context context,final String msg){((Activity)context).runOnUiThread(new Runnable() {@Overridepublic void run() {Toast.makeText(context, msg, Toast.LENGTH_SHORT).show();}});}}

package com.lxl.lotteries;import com.lxl.lotteries.show.ErinieShow;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.view.ViewGroup.LayoutParams;import android.widget.Button;import android.widget.RelativeLayout;public class ErnieActivity extends Activity{Button erniebtn;RelativeLayout container;ErinieShow erinieShow;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);erniebtn=(Button) findViewById(R.id.erniebtn);container=(RelativeLayout) findViewById(R.id.container);erniebtn.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v) {// TODO Auto-generated method stubshowErnie();}});}private void showErnie(){//containercontainer.removeAllViews();int level = getLevel();erinieShow=new ErinieShow(this, level);container.addView(erinieShow,new LayoutParams(-2,-2));}/** * 获取奖励等级 * @return */public int getLevel(){//随机，看看几等奖double d=Math.random()*100;if(d<50){return 0;}if(d<80){return 3;}if(d<95){return 2;}return 1;}@Overrideprotected void onDestroy() {super.onDestroy();}}