вы берете диалоговое окно изображения галереи, используя этот код.
mUploadButton = (Button) findViewById(R.id.uploadButton);
mUploadButton.setOnClickListener(new OnClickListener() {//this button is used for pickup gallery image.
public void onClick(View v) {
Intent rselect = new Intent(Intent.ACTION_GET_CONTENT, null);
rselect.setType("image/*");
rselect.putExtra("return-data", true);
startActivityForResult(rselect, 1);
}
});
onActivityResult () используется для
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
switch (requestCode) {
case 1:
if(requestCode == 1 && data != null && data.getData() != null){
// Bundle params = new Bundle();
// params.putString("method", "photos.upload");
// intent's getData() returns a Uri describing
// the data which the intent holds
Uri _uri = data.getData();
if (_uri != null) {
//User had pick an image.
Cursor cursor = getContentResolver().query(_uri, new String[] { android.provider.MediaStore.Images.ImageColumns.DATA }, null, null, null);
cursor.moveToFirst();
//Link to the image
final String imageFilePath = cursor.getString(0);
Log.v("imageFilePath", imageFilePath);
File photos= new File(imageFilePath);
long length = photos.length();
byte[] imgData = new byte[(int) length];
FileInputStream pdata = null;
try {
pdata = new FileInputStream(photos);
} catch (FileNotFoundException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
try {
pdata.read(imgData);//imgdata is an array where you get byte data for selected image from gallery and ready to upload.
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
cursor.close();
}
}
super.onActivityResult(requestCode, resultCode, data);
}
}