Android 安卓:上传照片
您好 我无法从Android手机上传照片。下面是我用来提示用户选择照片的代码:Android 安卓:上传照片,android,upload,photo,Android,Upload,Photo,您好 我无法从Android手机上传照片。下面是我用来提示用户选择照片的代码: public class Uploader{ public void upload(){ Log.i("EOH","hi..."); Intent photoPickerIntent = new Intent(Intent.ACTION_GET_CONTENT); photoPickerIntent.setType("image/
public class Uploader{
public void upload(){
Log.i("EOH","hi...");
Intent photoPickerIntent = new Intent(Intent.ACTION_GET_CONTENT);
photoPickerIntent.setType("image/*");
startActivityForResult(photoPickerIntent, 1);
}
protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
if (resultCode == RESULT_OK)
{
Bundle extras = data.getExtras();
Bitmap b = (Bitmap) extras.get("data");
//what do do now with this Bitmap...
//how do I upload it?
}
}
}
所以我有位图b,但是我不知道下一步该怎么做
我有以下用于发送POST请求的代码:
List<NameValuePair> params = new ArrayList<NameValuePair>(2);
params.add(new BasicNameValuePair("someValA", String.valueOf(lat)));
params.add(new BasicNameValuePair("someValB", String.valueOf(lng)));
new HttpConnection(handler).post("http://myurl.com/upload.php",params);
List params=newarraylist(2);
params.add(新的BasicNameValuePair(“someValA”,String.valueOf(lat)));
参数add(新的BasicNameValuePair(“someValB”,String.valueOf(lng)));
新建HttpConnection(处理程序).post(“http://myurl.com/upload.php“,参数);
我如何将位图图像连接到这个?我在谷歌上搜索了很久,找不到一个好方法
我希望有人能帮忙
多谢各位
好的,我试过希拉格·沙阿的建议。这是我的密码:
protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
if (resultCode == RESULT_OK)
{
Uri imageUri=data.getData();
List<NameValuePair> params = new ArrayList<NameValuePair>(1);
params.add(new BasicNameValuePair("image", imageUri.getPath()));
post("http://www.myurl.com/ajax/uploadPhoto.php",params);
}
}
activityresult上受保护的void(int-requestCode、int-resultCode、Intent-data)
{
if(resultCode==RESULT\u OK)
{
Uri imageUri=data.getData();
列表参数=新的ArrayList(1);
add(新的BasicNameValuePair(“image”,imageUri.getPath());
职位(”http://www.myurl.com/ajax/uploadPhoto.php“,参数);
}
}
其中post功能(推荐)为:
public void post(字符串url,列表nameValuePairs){
HttpClient HttpClient=新的DefaultHttpClient();
HttpContext localContext=新的BasicHttpContext();
HttpPost HttpPost=新的HttpPost(url);
试一试{
MultipartEntity=新的MultipartEntity(HttpMultipartMode.BROWSER_兼容);
对于(int index=0;index
然而,myurl.com/ajax/uploadPhoto.php却一无所获。我已经创建了一个PHP日志来记录uploadPhoto.PHP上的任何活动,但是没有显示任何内容。值得注意的是,如果我直接在web浏览器中键入myurl.com/ajax/uploadPhoto.php,它的日志就可以了
还有什么建议吗
非常感谢,如果您还没有。尝试将post包装到异步任务中的服务器并调用该任务。我发现我使用的api要求http POST/gets远离主线程,以避免锁定主线程可能出现的问题 只需将其设置为异步任务就相对容易了,而且实际上已经开始工作了 有关异步任务的详细信息: 举个简单的例子,这是我的异步任务之一:
private class SomeAsyncTask extends AsyncTask<String, Void, JSONObject> {
@Override
protected JSONObject doInBackground(String... arg0) {
UserFunctions uf = new UserFunctions();
JSONObject res = uf.doPostToServer(arg0[0], arg0[1], arg0[2], getApplicationContext());
return res;
}
@Override
protected void onPostExecute(JSONObject result) {
try {
int success = result.getInt("success");
if(success == 1) {
Intent vcact = new Intent(getApplicationContext(), OtherActivity.class);
vcact.putExtra("id", cid);
startActivity(vcact);
// close main screen
finish();
} else {
Toast.makeText(SomeActivity.this, "Error saving to server. Try again.", Toast.LENGTH_SHORT).show();
}
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
我发现http POST必须从异步任务中完成,否则它们就不会发生。我一直在考虑做一些类似的事情,包括发布和获取数据,并且需要在异步任务中将帖子包装到url。()实际发布是在uf.doPostToServer中完成的。。。我认为你的思路是对的,试着让它异步,看看是否有帮助。对我来说是这样的。
private class SomeAsyncTask extends AsyncTask<String, Void, JSONObject> {
@Override
protected JSONObject doInBackground(String... arg0) {
UserFunctions uf = new UserFunctions();
JSONObject res = uf.doPostToServer(arg0[0], arg0[1], arg0[2], getApplicationContext());
return res;
}
@Override
protected void onPostExecute(JSONObject result) {
try {
int success = result.getInt("success");
if(success == 1) {
Intent vcact = new Intent(getApplicationContext(), OtherActivity.class);
vcact.putExtra("id", cid);
startActivity(vcact);
// close main screen
finish();
} else {
Toast.makeText(SomeActivity.this, "Error saving to server. Try again.", Toast.LENGTH_SHORT).show();
}
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
new SomeAsyncTask().execute(cid, otherdata, moredata);