【Android实战】Gallary+ImageSwicther图片查看器
仿照如今各大新聞?wù)军c(diǎn)圖片新聞的瀏覽模式,上面展示詳細(xì)圖片(ImageSwitch),以下是能夠滑動(dòng)的小圖片(Gallery)。
當(dāng)中須要注意的是ImageSwitch須要定義一個(gè)工廠返回的組件,而且能夠設(shè)置動(dòng)畫(huà)效果。
Gallery用適配器載入布局。其Gallery可設(shè)置。兩個(gè)圖片的間隔距離。
布局:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical" ><ImageSwitcherandroid:id="@+id/switcher"android:layout_width="fill_parent"android:layout_height="fill_parent"android:layout_gravity="center"android:layout_weight="1" ></ImageSwitcher><Galleryandroid:id="@+id/gallary"android:layout_width="fill_parent"android:layout_height="fill_parent"android:layout_margin="10dp"android:layout_weight="3"android:spacing="20dp" /></LinearLayout>
java類:
package com.gallaryandswitch;import android.app.Activity; import android.graphics.BitmapFactory; import android.os.Bundle; import android.view.View; import android.view.ViewGroup; import android.view.ViewGroup.LayoutParams; import android.view.animation.Animation; import android.view.animation.AnimationUtils;import android.widget.AdapterView; import android.widget.BaseAdapter; import android.widget.FrameLayout; import android.widget.Gallery; import android.widget.ImageSwitcher; import android.widget.ImageView; import android.widget.ImageView.ScaleType; import android.widget.LinearLayout; import android.widget.ViewSwitcher.ViewFactory;import com.example.wangyitest.R;public class MainAct extends Activity {ImageSwitcher imageSwitcher;Gallery gallery;int[] pics = { R.drawable.f1, R.drawable.f2, R.drawable.f3, R.drawable.f4,R.drawable.f5, R.drawable.f6, R.drawable.f7, R.drawable.flower };@Overrideprotected void onCreate(Bundle savedInstanceState) {// TODO Auto-generated method stubsuper.onCreate(savedInstanceState);setContentView(R.layout.galleryswitch);imageSwitcher = (ImageSwitcher) findViewById(R.id.switcher);gallery = (Gallery) findViewById(R.id.gallary);imageSwitcher.setFactory(new ViewFactory() {@Overridepublic View makeView() {// TODO Auto-generated method stubImageView imageView = new ImageView(getApplicationContext());imageView.setScaleType(ScaleType.FIT_CENTER);imageView.setLayoutParams(new FrameLayout.LayoutParams(FrameLayout.LayoutParams.FILL_PARENT,FrameLayout.LayoutParams.FILL_PARENT));imageView.setBackgroundColor(getResources().getColor(R.color.bg3));return imageView;}});imageSwitcher.setInAnimation(AnimationUtils.loadAnimation(getApplicationContext(), android.R.anim.fade_in));imageSwitcher.setOutAnimation(AnimationUtils.loadAnimation(getApplicationContext(), android.R.anim.fade_out));gallery.setAdapter(new MyAdapter());// gallery.setOnItemClickListener(new AdapterView.OnItemClickListener()// {//// @Override// public void onItemClick(AdapterView<?
> parent, View view, // int position, long id) { // // TODO Auto-generated method stub // imageSwitcher.setImageResource(pics[position]); // } // }); gallery.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> parent, View view, int position, long id) { // TODO Auto-generated method stub imageSwitcher.setImageResource(pics[position]); } @Override public void onNothingSelected(AdapterView<?
> parent) { // TODO Auto-generated method stub } }); } class MyAdapter extends BaseAdapter { @Override public int getCount() { // TODO Auto-generated method stub return pics.length; } @Override public Object getItem(int position) { // TODO Auto-generated method stub return position; } @Override public long getItemId(int position) { // TODO Auto-generated method stub return position; } @Override public View getView(int position, View convertView, ViewGroup parent) { // TODO Auto-generated method stub ImageView imageView = new ImageView(getApplicationContext()); imageView.setScaleType(ScaleType.FIT_CENTER); imageView.setLayoutParams(new Gallery.LayoutParams(400, Gallery.LayoutParams.WRAP_CONTENT)); imageView.setImageBitmap(BitmapFactory.decodeResource( getResources(), pics[position])); imageView.setBackgroundColor(getResources().getColor(R.color.bg2)); return imageView; } } }
轉(zhuǎn)載于:https://www.cnblogs.com/gcczhongduan/p/5306762.html
總結(jié)
以上是生活随笔為你收集整理的【Android实战】Gallary+ImageSwicther图片查看器的全部?jī)?nèi)容,希望文章能夠幫你解決所遇到的問(wèn)題。
- 上一篇: [4G5G专题-67]:RF层 - 天线
- 下一篇: SCRUM 12.03