PhotoView与GifView的使用

android 图片缩放 gif
  1. 1、PhotoView加载本地图片
  2. 2、PhotoView加载网络图片：
  3. 3、GifView加载本地图片：

为了解决图片的缩放和gif格式的图片显示问题，这里采用了开源库PhototView(处理图片缩放问题)和GifView(显示gif格式图片)。
PhototView下载路径，GifView下载路径，Demo下载路径

1、PhotoView加载本地图片

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/**
 * PhotoView 加载本地图片
 */
private ImageView mImageView;
private PhotoViewAttacher mPhotoViewAttacher;
protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	requestWindowFeature(Window.FEATURE_NO_TITLE);
	setContentView(R.layout.photoview_local);
	mImageView = (ImageView) findViewById(R.id.iv_img);
	mPhotoViewAttacher = new PhotoViewAttacher(mImageView);
	try {
		InputStream inputStream = getAssets().open("testPhotoView.jpg");
		Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
		mImageView.setImageBitmap(bitmap);</span>
	} catch (IOException e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	}
}

2、PhotoView加载网络图片：

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/**
 * PhotoView 加载网络图片
 */
private PhotoView mImageView;
private PhotoViewAttacher mPhotoViewAttacher;
private ImageLoader mImageLoader;
private  String URL = "http://pic3.nipic.com/20090525/2416945_231841034_2.jpg";
@Override
protected void onCreate(Bundle savedInstanceState) {
	// TODO Auto-generated method stub
	super.onCreate(savedInstanceState);
	requestWindowFeature(Window.FEATURE_NO_TITLE);
	setContentView(R.layout.photoview_network);
	mImageView = (PhotoView) findViewById(R.id.iv_img);
	mPhotoViewAttacher = new PhotoViewAttacher(mImageView);
	mImageLoader = ImageLoader.getInstance();
	mImageLoader.displayImage(URL, mImageView);
	mImageView.setOnPhotoTapListener(new OnPhotoTapListener() {
		@Override
		public void onPhotoTap(View arg0, float arg1, float arg2) {
			// TODO Auto-generated method stub
		}
	});
}

布局文件：

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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >
    <uk.co.senab.photoview.PhotoView
        android:id="@+id/iv_img"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent" />
</LinearLayout></span>

3、GifView加载本地图片：

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private GifView mGifView;
@Override
protected void onCreate(Bundle savedInstanceState) {
	// TODO Auto-generated method stub
	super.onCreate(savedInstanceState);
	requestWindowFeature(Window.FEATURE_NO_TITLE);
	setContentView(R.layout.gifview);
	mGifView = (GifView) findViewById(R.id.gifview);
	//加载本地图片
	mGifView.setGifImage(R.drawable.gifview);
}

布局文件：

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<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center"
    android:orientation="vertical" >
    <com.ant.liao.GifView
        android:id="@+id/gifview"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent" />
</LinearLayout></span>

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