我正在努力上传多张图片。我可以从手机的SD卡中选择一张图片但是当我尝试将其上传到我的数据库时，进度对话框只会显示“正在上传”，之后就会被解雇。老实说，我不确定我的PHP代码。希望有人可以帮助我:)。
这是我的uploadActivity.java：
# Dummy data
dat <- data.frame(tissue = c("Adipocyte - breast, donor1",
"Adipocyte - breast, donor2",
"Adipocyte - omental, donor1",
"Adipocyte - omental, donor2",
"Adipocyte - omental, donor3",
"Alveolar Epithelial Cells, donor1",
"Alveolar Epithelial Cells, donor2",
"Amniotic Epithelial Cells, donor1",
"Amniotic Epithelial Cells, donor3"),
val1 = rnorm(9),
val2 = rnorm(9),
val200000 = rnorm(9))
# Use "aggregate" function form the default "stats" package
aggregate(x = dat[2:ncol(dat)],
by = list(factor(do.call("c",
lapply(strsplit(x = as.character(dat$tissue),
split = ","),
function(a)a[1])))),
FUN = "median")
公共类MainActivity扩展了Activity {
@SuppressLint("NewApi")
}
这是我的uploads.php：
private Button upload, pick;
private ProgressDialog dialog;
MultipartEntity entity;
GridView gv;
int count = 0;
public ArrayList<String> map = new ArrayList<String>();
Bundle b;
TextView noImage;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder()
.permitAll().build();
StrictMode.setThreadPolicy(policy);
b = getIntent().getExtras();
noImage = (TextView) findViewById(R.id.noImage);
upload = (Button) findViewById(R.id.btnUpload);
pick = (Button) findViewById(R.id.btnPicture);
gv = (GridView) findViewById(R.id.gridview);
gv.setAdapter(new ImageAdapter(this));
if (b != null) {
ArrayList<String> ImgData = b.getStringArrayList("IMAGE");
for (int i = 0; i < ImgData.size(); i++) {
map.add(ImgData.get(i).toString());
}
} else {
noImage.setVisibility(View.VISIBLE);
}
upload.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
new ImageUploadTask()
.execute(count + "", "pk" + count + ".jpg");
}
});
pick.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
Intent i3 = new Intent(MainActivity.this, UploadActivity.class);
startActivity(i3);
}
});
}
class ImageUploadTask extends AsyncTask<String, Void, String> {
String sResponse = null;
@Override
protected void onPreExecute() {
// TODO Auto-generated method stub
super.onPreExecute();
dialog = ProgressDialog.show(MainActivity.this, "Uploading",
"Please wait...", true);
dialog.show();
}
@Override
protected String doInBackground(String... params) {
try {
String url = "http://iguideph-001-btempurl.com/uploads.php";
int i = Integer.parseInt(params[0]);
Bitmap bitmap = decodeFile(map.get(i));
HttpClient httpClient = new DefaultHttpClient();
HttpContext localContext = new BasicHttpContext();
HttpPost httpPost = new HttpPost(url);
entity = new MultipartEntity();
ByteArrayOutputStream bos = new ByteArrayOutputStream();
bitmap.compress(CompressFormat.JPEG, 100, bos);
byte[] data = bos.toByteArray();
entity.addPart("user_id", new StringBody("199"));
entity.addPart("club_id", new StringBody("10"));
entity.addPart("club_image", new ByteArrayBody(data,
"image/jpeg", params[1]));
httpPost.setEntity(entity);
HttpResponse response = httpClient.execute(httpPost,
localContext);
sResponse = EntityUtils.getContentCharSet(response.getEntity());
System.out.println("sResponse : " + sResponse);
} catch (Exception e) {
if (dialog.isShowing())
dialog.dismiss();
Log.e(e.getClass().getName(), e.getMessage(), e);
}
return sResponse;
}
@Override
protected void onPostExecute(String sResponse) {
try {
if (dialog.isShowing())
dialog.dismiss();
if (sResponse != null) {
Toast.makeText(getApplicationContext(),
sResponse + " Photo uploaded successfully",
Toast.LENGTH_SHORT).show();
count++;
if (count < map.size()) {
new ImageUploadTask().execute(count + "", "hm" + count
+ ".jpg");
}
}
} catch (Exception e) {
Toast.makeText(getApplicationContext(), e.getMessage(),
Toast.LENGTH_LONG).show();
Log.e(e.getClass().getName(), e.getMessage(), e);
}
}
}
public Bitmap decodeFile(String filePath) {
// Decode image size
BitmapFactory.Options o = new BitmapFactory.Options();
o.inJustDecodeBounds = true;
BitmapFactory.decodeFile(filePath, o);
// The new size we want to scale to
final int REQUIRED_SIZE = 1024;
// Find the correct scale value. It should be the power of 2.
int width_tmp = o.outWidth, height_tmp = o.outHeight;
int scale = 1;
while (true) {
if (width_tmp < REQUIRED_SIZE && height_tmp < REQUIRED_SIZE)
break;
width_tmp /= 2;
height_tmp /= 2;
scale *= 2;
}
BitmapFactory.Options o2 = new BitmapFactory.Options();
o2.inSampleSize = scale;
Bitmap bitmap = BitmapFactory.decodeFile(filePath, o2);
return bitmap;
}
private class ImageAdapter extends BaseAdapter {
private Context mContext;
public ImageAdapter(Context c) {
mContext = c;
}
public int getCount() {
return map.size();
}
public Object getItem(int position) {
return null;
}
// create a new ImageView for each item referenced by the Adapter
public View getView(int position, View convertView, ViewGroup parent) {
ImageView imageView;
if (convertView == null) { // if it's not recycled, initialize some
// attributes
imageView = new ImageView(mContext);
imageView.setLayoutParams(new GridView.LayoutParams(85, 85,
Gravity.CENTER));
imageView.setScaleType(ImageView.ScaleType.FIT_XY);
imageView.setPadding(1, 1, 1, 1);
} else {
imageView = (ImageView) convertView;
}
imageView
.setImageBitmap(BitmapFactory.decodeFile(map.get(position)));
return imageView;
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}
}
@Override
public void onBackPressed() {
// TODO Auto-generated method stub
super.onBackPressed();
MainActivity.this.finish();
}