我司用的是钉钉管理软件,钉钉的引导页面是一个动画,所以上面要求我们的产品也要用GIF动画来引导,而且还要同时可以使用普通的png图片
在晚上搜索半天,在github上面找到一个叫GifImageView的自定义控件
那么剩下的我们就只需要
1、判断是不是gif动画
1.1、如果是就下载并且填装进GifImageView里面
2、如果是png
2.1、下载并且填充
二营长,把老子的意大利代码来上来
先判断是不是Gif动画(甄别是不是老子的意大利炮)
final Guide_Result result = new Gson().fromJson(str, Guide_Result.class);
// result.setMessage("http://img4.duitang.com/uploads/blog/201405/19/20140519115336_mQNyR.thumb.224_0.gif");
// result.setMessage("https://ss0.bdstatic.com/5aV1bjqh_Q23odCf/static/superman/img/logo/bd_logo1_31bdc765.png");
// 获取图片bitmap后
// 如果网络和本地是同一张图片,什么都不做
// 如果不是同一张,下载网络上的图片替换到本地
// 如果是同一张,判断本地文件是否存在,不存在下载
if (result !=null ){
if (!RequestTool.ToMD5(result.getMessage()).equals((String) SPUtils.get(GuideActivity.this, "GuidePic", ""))) {
File file = new File((String) SPUtils.get(GuideActivity.this, "GuidePic", ""));
if (file.exists()) {
Log.e("321", "file.exists()");
file.delete();
}
new Thread(new Runnable() {
@Override
public void run() {
SPUtils.put(GuideActivity.this, "GuidePic", RequestTool.ToMD5(result.getMessage()));
File file = new File((String) SPUtils.get(GuideActivity.this, "GuidePic", ""));
try {
file.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
if (checkURL(result.getMessage())) ;
{
String suffix = result.getMessage().substring(result.getMessage().length() - 4, result.getMessage().length());
Log.e("3321", suffix);
if (suffix.equals(".gif")) {
saveGif(result.getMessage());
SPUtils.put(GuideActivity.this, "Picformat", ".gif");
} else {
saveBitmap(result.getMessage());
SPUtils.put(GuideActivity.this, "Picformat", ".png");
}
}
}
}).start();
} else {
File file = new File((String) SPUtils.get(GuideActivity.this, "GuidePic", ""));
if (!file.exists()) {
try {
file.createNewFile();
} catch (IOException e) {
e.printStackTrace();
}
new Thread(new Runnable() {
@Override
public void run() {
SPUtils.put(GuideActivity.this, "GuidePic", RequestTool.ToMD5(result.getMessage()));
if (checkURL(result.getMessage())) ;
{
String suffix = result.getMessage().substring(result.getMessage().length() - 4, result.getMessage().length());
Log.e("3321", suffix);
if (suffix.equals(".gif")) {
saveGif(result.getMessage());
SPUtils.put(GuideActivity.this, "Picformat", ".gif");
} else {
saveBitmap(result.getMessage());
SPUtils.put(GuideActivity.this, "Picformat", ".png");
}
}
}
}).start();
}
}
try {
URL iconUrl = new URL(url);
URLConnection conn = iconUrl.openConnection();
conn.connect();
// 获得图像的字符流
InputStream is = conn.getInputStream();
byte[] b = getByte(is);
File file = new File("/sdcard" + "/" + RequestTool.ToMD5(url));
FileOutputStream fileOutputStream = new FileOutputStream(file);
fileOutputStream.write(b);
fileOutputStream.close();
is.close();// 关闭流
} catch (Exception e) {
e.printStackTrace();
}
private byte[] getByte(InputStream is) throws IOException {
byte[] b = new byte[1024];
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
int len = -1;
while ((len = is.read(b)) != -1) {
byteArrayOutputStream.write(b, 0, len);
}
byteArrayOutputStream.close();
is.close();
return byteArrayOutputStream.toByteArray();
}
public void saveBitmap(String url) {
Bitmap bm = null;
Log.e("123", url.toString());
try {
URL iconUrl = new URL(url);
URLConnection conn = iconUrl.openConnection();
HttpURLConnection http = (HttpURLConnection) conn;
int length = http.getContentLength();
conn.connect();
// 获得图像的字符流
InputStream is = conn.getInputStream();
BufferedInputStream bis = new BufferedInputStream(is, length);
bm = BitmapFactory.decodeStream(bis);
bis.close();
is.close();// 关闭流
} catch (Exception e) {
e.printStackTrace();
}
ZZUtils.saveImageToGallery(bm, "/sdcard", RequestTool.ToMD5(url), false, false);
}
iv = (GifImageView) findViewById(R.id.guide_iv);
// 如果加载的是gif动图,第一步需要先将gif动图资源转化为GifDrawable
// 将gif图资源转化为GifDrawable
GifDrawable gifDrawable = null;
// 如果是动态图进try方法,不是动态图抛出异常进入catch方法设置图片
File f = new File("/sdcard" + "/" + SPUtils.get(this, "GuidePic", ""));
if (!f.exists()) {
iv.setImageResource(R.mipmap.defaut_loading);
}
try {
File file = new File("/sdcard" + "/" + SPUtils.get(this, "GuidePic", ""));
Log.e("123", file.toString());
gifDrawable = new GifDrawable(file);
// gifDrawable = new GifDrawable(getResources(), R.mipmap.bg_splash);
// gif1加载一个动态图gif
iv.setImageDrawable(gifDrawable);
} catch (IOException e) {
iv.setImageURI(Uri.parse("/sdcard" + "/" + SPUtils.get(this, "GuidePic", "")));
// iv.setImageBitmap(ZZUtils.getImagefromSD("filepath", (String) SPUtils.get(GuideActivity.this, "GuidePic", "")));
}
// 如果是普通的图片资源,就像Android的ImageView set图片资源一样简单设置进去即可。
// gif2加载一个普通的图片(如png,bmp,jpeg等等)
// iv.setImageResource(R.mipmap.b_xinwen_press);
if (iv.getDrawable() == null) {
iv.setImageResource(R.mipmap.defaut_loading);
}