用android程序帮美女换衣服源码

点击ImageSwitcher显示的图片即可切换到为美女换衣全屏界面，手指在界面上滑动，滑动处的衣服就被褪掉了，很黄很暴力，大家要hold住呀！！
 
 
 

　　其实啊这个实现就是两张图片，一张底图(没穿衣服)，一张上面的图，上面的图都被抹掉了，下面的图就出来了，主要是PorterDuff和PorterDuffXfermode的利用，APIDEMO里面也有相关的介绍。好，贴出主要代码:

package com.picture;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffXfermode;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.view.MotionEvent;
import android.view.View;
import android.view.WindowManager;
public class RemoveClothActivity extends Activity {
private int SCREEN_W;
private int SCREEN_H;
private int imagePosition;
private MediaPlayer mp3Player;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);//设置全屏
Intent intent = getIntent();
imagePosition = intent.getIntExtra("imagePosition", 0);
initMP3Player();
setContentView(new MyView(this));
}
private void initMP3Player(){
mp3Player = MediaPlayer.create(RemoveClothActivity.this, R.raw.higirl);
mp3Player.setLooping(false);
}
private void playMusic(){
mp3Player.start();
}
class MyView extends View {
private Bitmap mBitmap;
private Canvas mCanvas;
private Paint mPaint;
private Path mPath;
private float mX, mY;
private static final float TOUCH_TOLERANCE = 4;
public MyView(Context context) {
super(context);
setFocusable(true);
setScreenWH();
setBackGround();
// 1.if icon1 is a image,you can open MENU_ITEM_COMMENT bellow
// Bitmap bm = createBitmapFromSRC();
// if you want to set icon1 image's alpha,you can open
// MENU_ITEM_COMMENT bellow
// bm = setBitmapAlpha(bm, 100);
// if you want to scale icon1 image,you can open MENU_ITEM_COMMENT
// bellow
// bm = scaleBitmapFillScreen(bm);
// 2.if icon1 is color
// Bitmap bm = createBitmapFromARGB(0x8800ff00, SCREEN_W, SCREEN_H);
int drawableId = 0;
try {
drawableId = R.drawable.class.getDeclaredField(
"pre" + imagePosition).getInt(this);
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (SecurityException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (NoSuchFieldException e) {
e.printStackTrace();
}
Bitmap bm = scaleBitmapFillScreen(BitmapFactory.decodeResource(getResources(), drawableId));
seticon1Bitmap(bm);
}
private void setScreenWH() {
// get screen info
DisplayMetrics dm = new DisplayMetrics();
dm = this.getResources().getDisplayMetrics();
// get screen width
int screenWidth = dm.widthPixels;
// get screen height
int screenHeight = dm.heightPixels;
SCREEN_W = screenWidth;
SCREEN_H = screenHeight;
}
private Bitmap createBitmapFromSRC() {
return BitmapFactory.decodeResource(getResources(),
R.drawable.icon1);
}
/**
*
* @param colorARGB
* should like 0x8800ff00
* @param width
* @param height
* <a href="%5C%22http://www.eoeandroid.com/home.php?mod=space&uid=7300%5C%22" target="\"_blank\"">@return</a>
*/
private Bitmap createBitmapFromARGB(int colorARGB, int width, int height) {
int[] argb = new int[width * height];
for (int i = 0; i < argb.length; i++) {
argb<i> = colorARGB;
}
return Bitmap.createBitmap(argb, width, height, Config.ARGB_8888);
}
/**
*
* @param bm
* @param alpha
* ,and alpha should be like ox00000000-oxff000000
* @note set bitmap's alpha
* @return
*/
/*
* private Bitmap setBitmapAlpha(Bitmap bm, int alpha) { int[] argb =
* new int[bm.getWidth() * bm.getHeight()]; bm.getPixels(argb, 0,
* bm.getWidth(), 0, 0, bm.getWidth(), bm .getHeight());
*
*
* for (int i = 0; i < argb.length; i++) {
*
* argb<i> = ((alpha) | (argb<i> & 0x00FFFFFF)); } return
* Bitmap.createBitmap(argb, bm.getWidth(), bm.getHeight(),
* Config.ARGB_8888); }
*/
/**
*
* @param bm
* @param alpha
* ,alpha should be between 0 and 255
* @note set bitmap's alpha
* @return
*/
private Bitmap setBitmapAlpha(Bitmap bm, int alpha) {
int[] argb = new int[bm.getWidth() * bm.getHeight()];
bm.getPixels(argb, 0, bm.getWidth(), 0, 0, bm.getWidth(),
bm.getHeight());
for (int i = 0; i < argb.length; i++) {
argb<i> = ((alpha << 24) | (argb<i> & 0x00FFFFFF));
}
return Bitmap.createBitmap(argb, bm.getWidth(), bm.getHeight(),
Config.ARGB_8888);
}
/**
*
* @param bm
* @note if bitmap is smaller than screen, you can scale it fill the
* screen.
* @return
*/
private Bitmap scaleBitmapFillScreen(Bitmap bm) {
return Bitmap.createScaledBitmap(bm, SCREEN_W, SCREEN_H, true);
}
private void setBackGround(){
int drawableId = 0;
try {
drawableId = R.drawable.class.getDeclaredField(
"after" + imagePosition).getInt(this);
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (SecurityException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (NoSuchFieldException e) {
e.printStackTrace();
}
setBackgroundResource(drawableId);
}
/**
*
* @param bm
* @note set icon1 bitmap , which overlay on background.
*/
private void seticon1Bitmap(Bitmap bm) {
// setting paint
mPaint = new Paint();
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);
mPaint.setStrokeCap(Paint.Cap.ROUND);
mPaint.setStrokeWidth(20);
// set path
mPath = new Path();
;
// converting bitmap into mutable bitmap
mBitmap = Bitmap.createBitmap(SCREEN_W, SCREEN_H, Config.ARGB_8888);
mCanvas = new Canvas();
mCanvas.setBitmap(mBitmap);
// drawXY will result on that Bitmap
// be sure parameter is bm, not mBitmap
mCanvas.drawBitmap(bm, 0, 0, null);
}
@Override
protected void onDraw(Canvas canvas) {
canvas.drawBitmap(mBitmap, 0, 0, null);
mCanvas.drawPath(mPath, mPaint);
super.onDraw(canvas);
}
private void touch_start(float x, float y) {
mPath.reset();
mPath.moveTo(x, y);
mX = x;
mY = y;
}
private void touch_move(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 touch_up() {
mPath.lineTo(mX, mY);
// commit the path to our offscreen
mCanvas.drawPath(mPath, mPaint);
// kill this so we don't double draw
mPath.reset();
}
@Override
public boolean onTouchEvent(MotionEvent event) {
float x = event.getX();
float y = event.getY();
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
touch_start(x, y);
invalidate();
break;
case MotionEvent.ACTION_MOVE:
touch_move(x, y);
invalidate();
break;
case MotionEvent.ACTION_UP:
touch_up();
invalidate();
playMusic();
break;
}
return true;
}
}
} </i></i></i></i></i>