图片缩放库 Photoview 和 Gif 控件GifView 的使用

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
package com.test.photoviewdemo;

import java.io.File;

import android.app.Application;
import android.content.Context;

import com.nostra13.universalimageloader.cache.disc.impl.UnlimitedDiscCache;
import com.nostra13.universalimageloader.cache.disc.naming.Md5FileNameGenerator;
import com.nostra13.universalimageloader.cache.memory.impl.WeakMemoryCache;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import com.nostra13.universalimageloader.core.assist.QueueProcessingType;
import com.nostra13.universalimageloader.utils.StorageUtils;

public class BaseApplication extends Application {

	@Override
	public void onCreate() {
		super.onCreate();
		initImagloader(getApplicationContext());
	}

	private void initImagloader(Context context) {
		File cacheDir = StorageUtils.getOwnCacheDirectory(context,
				"photoview/Cache");// 获取到缓存的目录地址
		// 创建配置ImageLoader(所有的选项都是可选的,只使用那些你真的想定制)，这个可以设定在APPLACATION里面，设置为全局的配置参数
		ImageLoaderConfiguration config = new ImageLoaderConfiguration.Builder(
				context)
				// 线程池内加载的数量
				.threadPoolSize(3).threadPriority(Thread.NORM_PRIORITY - 2)
				.memoryCache(new WeakMemoryCache())
				.denyCacheImageMultipleSizesInMemory()
				.discCacheFileNameGenerator(new Md5FileNameGenerator())
				// 将保存的时候的URI名称用MD5 加密
				.tasksProcessingOrder(QueueProcessingType.LIFO)
				.discCache(new UnlimitedDiscCache(cacheDir))// 自定义缓存路径
				// .defaultDisplayImageOptions(DisplayImageOptions.createSimple())
				.writeDebugLogs() // Remove for release app
				.build();
		// Initialize ImageLoader with configuration.
		ImageLoader.getInstance().init(config);// 全局初始化此配置
	}
}

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
package com.test.photoviewdemo;

import uk.co.senab.photoview.PhotoView;
import uk.co.senab.photoview.PhotoViewAttacher;
import uk.co.senab.photoview.PhotoViewAttacher.OnPhotoTapListener;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;

import com.nostra13.universalimageloader.core.ImageLoader;

/**
 * 加载网络图片和本地图片
 * 
 * PhotoView进行缩放处理
 * 
 * @author Administrator
 * 
 */

public class MainActivity extends Activity {
	private PhotoView iv_photo;
	private PhotoViewAttacher attacher;
	private ImageLoader loader;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);
		iv_photo = (PhotoView) findViewById(R.id.iv_photo);
		attacher = new PhotoViewAttacher(iv_photo);
		// 加载本地图片，缩放处理
		// try {
		// InputStream is = getAssets().open("photoview.jpg");
		// Bitmap bm = BitmapFactory.decodeStream(is);
		// iv_photo.setImageBitmap(bm);
		// } catch (IOException e) {
		// // TODO Auto-generated catch block
		// e.printStackTrace();
		// }
		// 加载网络图片
		loader = ImageLoader.getInstance();
		loader.displayImage("https://www.baidu.com/img/bdlogo.png", iv_photo);
		iv_photo.setOnPhotoTapListener(new OnPhotoTapListener() {
			
			@Override
			public void onPhotoTap(View arg0, float arg1, float arg2) {
				
			}
		});
	}

}

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.example.admin.tempapplication.MainActivity">

    <com.ant.liao.GifView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/view"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="171dp" />
</RelativeLayout>

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
package com.example.admin.tempapplication;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

import com.ant.liao.GifView;

public class MainActivity extends AppCompatActivity{
    GifView gifView;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        gifView=(GifView)findViewById(R.id.view);
        gifView.setGifImage(R.drawable.loadig);
    }

}