使用毕加索调整图像大小并使用HttpPost上传图像的最佳方法是什么?
Bitmap bmp = Picasso.with(context)
.load(path)
.resize(1000, 1000)
.centerInside()
.onlyScaleDown()
.get();
MultipartEntity entity = new MultipartEntity();
entity.addPart("image", new FileBody(file));
实现这一目标的最佳方法(内存(是什么?
澄清:现在我正在做
位图 b = Picasso.resize((.get((;
创建新文件
将位图 b 写入文件
在 HttpPost 中包含文件
我正在寻找是否有更有效的方法
你可以这样做:
Bitmap bmp = Picasso.with(context)
.load(path)
.resize(1000, 1000)
.centerInside()
.onlyScaleDown()
.get();
ByteArrayOutputStream stream = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.PNG, 100, stream);
HttpEntity entity = MultipartEntityBuilder.create()
.addBinaryBody("image", new ByteArrayInputStream(stream.toByteArray()), ContentType.create("image/png"), "filename.png")
.build();
但是,据我所知,Apache HttpClient 在 Android 上已被弃用,我建议使用 OkHttp3 库来发出 HTTP 请求。
例:
Bitmap bitmap = Picasso.with(context)
.load(path)
.resize(1000, 1000)
.centerInside()
.onlyScaleDown()
.get();
ByteArrayOutputStream stream = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.PNG, 100, stream);
RequestBody requestBody = new MultipartBody.Builder()
.addFormDataPart("image", "filename.png", RequestBody.create(MediaType.parse("image/png"), stream.toByteArray()))
.build();
Request request = new Request.Builder()
.url("https://example.com")
.post(requestBody)
.build();
OkHttpClient client = new OkHttpClient();
client.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
// handle failure
}
@Override
public void onResponse(Call call, Response response) throws IOException {
// handle server response
}
});