是男人就下100层【第二层】——帮美女更衣(1)
去年有一段時(shí)間有一個(gè)應(yīng)用下載量很高,都是男同志的功勞,現(xiàn)在又出了第二版,第二層我們就來(lái)實(shí)現(xiàn)一下《幫美女更衣》這個(gè)應(yīng)用,很多男生應(yīng)該熟悉這個(gè)應(yīng)用了吧,這里我就不解釋里面的內(nèi)容了,呵呵。
先看看我們要實(shí)現(xiàn)的效果:
? ? ? ? ? ?? (慘不忍睹!做好后大家去挖剩下的吧)
先看看布局文件activity_main.xml
<?xml version="1.0" encoding="UTF-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="fill_parent"android:layout_height="fill_parent" ><ImageSwitcherandroid:id="@+id/image_switcher"android:layout_width="fill_parent"android:layout_height="wrap_content"android:layout_alignParentLeft="true"android:layout_alignParentTop="true" /><Galleryandroid:id="@+id/gallery"android:layout_width="fill_parent"android:layout_height="80.0dip"android:layout_alignParentBottom="true"android:layout_alignParentLeft="true"android:background="#55000000"android:gravity="center_vertical"android:spacing="15.0dip" /></RelativeLayout>ImageSwitcher繼承自ViewSwitcher,重寫了showNext()、showPrevious()方法。
使用ImageSwithcer的步驟如下:
1、為ImageSwitcher提供一個(gè)ViewFactory,該ViewFactory會(huì)有一個(gè)makeView()方法來(lái)生成View組件,這個(gè)組件必須是ImageView.
2、切換圖片時(shí)只需要調(diào)用 setImageDrawable(Drawable drawable)方法、setImageResource(int resid)方法或setImageURI(Uri uri).
package com.example.mygrilproject;import android.app.Activity; import android.content.Context; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.AdapterView.OnItemSelectedListener; import android.widget.BaseAdapter; import android.widget.Gallery; import android.widget.Gallery.LayoutParams; import android.widget.ImageSwitcher; import android.widget.ImageView; import android.widget.ImageView.ScaleType; import android.widget.ViewSwitcher.ViewFactory;public class MainActivity extends Activity implements ViewFactory{private ImageSwitcher is;private Gallery gallery;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);//獲取ImageSwitcher對(duì)象is = (ImageSwitcher)findViewById(R.id.image_switcher);is.setFactory(this);//獲取gallery對(duì)象gallery = (Gallery)findViewById(R.id.gallery);//設(shè)置適配器gallery.setAdapter(new ImageAdapter(MainActivity.this));//設(shè)置監(jiān)聽gallery.setOnItemSelectedListener(new OnItemSelectedListener() {@Overridepublic void onItemSelected(AdapterView<?> parent, View view,int position, long id) {int drawableId = 0;try {drawableId = R.drawable.class.getDeclaredField("pre" + position).getInt(this);} catch (IllegalArgumentException e) {e.printStackTrace();} catch (SecurityException e) {e.printStackTrace();} catch (IllegalAccessException e) {e.printStackTrace();} catch (NoSuchFieldException e) {e.printStackTrace();}//更換ImageSwitcher中的圖片is.setImageResource(drawableId);}@Overridepublic void onNothingSelected(AdapterView<?> parent) {} });is.setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View v){}});}//設(shè)置圖片切換的動(dòng)畫效果@Overridepublic View makeView() {ImageView i = new ImageView(this);i.setBackgroundColor(0xFF000000);i.setScaleType(ImageView.ScaleType.FIT_CENTER);i.setLayoutParams(new ImageSwitcher.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));return i;}private class ImageAdapter extends BaseAdapter {private Context mContext;public ImageAdapter(Context c){mContext = c;}@Overridepublic int getCount() {return 11;//11張圖片}@Overridepublic Object getItem(int position) {return position;}@Overridepublic long getItemId(int position) {return position;}@Overridepublic View getView(int position, View convertView, ViewGroup parent) {ImageView imageView = new ImageView(mContext);int drawableId = 0;try {//使用反射獲取資源對(duì)象drawableId = R.drawable.class.getDeclaredField("pre" + position).getInt(this);} catch (IllegalArgumentException e) {e.printStackTrace();} catch (SecurityException e) {e.printStackTrace();} catch (IllegalAccessException e) {e.printStackTrace();} catch (NoSuchFieldException e) {e.printStackTrace();}imageView.setLayoutParams(new Gallery.LayoutParams(120,120));imageView.setScaleType(ScaleType.FIT_XY);imageView.setImageResource(drawableId);return imageView;}}} 運(yùn)行效果:下一篇我們?cè)賮?lái)看看如何撕衣服,呵呵
源代碼下載:http://download.csdn.net/detail/lxq_xsyu/7014543
轉(zhuǎn)載于:https://www.cnblogs.com/lanzhi/p/6469143.html
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