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| public class OAuthTestActivity extends Activity {
public static final int REQUEST_CODE_PICK_IMAGE = 1001;
private static final String AUTHORIZATION_URL = "https://api.imgur.com/oauth2/authorize";
private static final String CLIENT_ID = "CLIENT_ID";
private LinearLayout rootView;
private String accessToken;
private String refreshToken;
private String picturePath = "";
private Button send;
private String uploadedImageUrl = "";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
rootView = new LinearLayout(this);
rootView.setOrientation(LinearLayout.VERTICAL);
TextView tv = new TextView(this);
LinearLayout.LayoutParams llp = new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
tv.setLayoutParams(llp);
rootView.addView(tv);
setContentView(rootView);
String action = getIntent().getAction();
if (action == null || !action.equals(Intent.ACTION_VIEW)) { // We need access token to use Imgur's api
tv.setText("Start OAuth Authorization");
Uri uri = Uri.parse(AUTHORIZATION_URL).buildUpon()
.appendQueryParameter("client_id", CLIENT_ID)
.appendQueryParameter("response_type", "token")
.appendQueryParameter("state", "init")
.build();
Intent intent = new Intent();
intent.setData(uri);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
finish();
} else { // Now we have the token, can do the upload
tv.setText("Got Access Token");
Uri uri = getIntent().getData();
Log.d("Got imgur's access token", uri.toString());
String uriString = uri.toString();
String paramsString = "http://callback?" + uriString.substring(uriString.indexOf("#") + 1);
Log.d("tag", paramsString);
List<NameValuePair> params = URLEncodedUtils.parse(URI.create(paramsString), "utf-8");
Log.d("tag", Arrays.toString(params.toArray(new NameValuePair[0])));
for (NameValuePair pair : params) {
if (pair.getName().equals("access_token")) {
accessToken = pair.getValue();
} else if (pair.getName().equals("refresh_token")) {
refreshToken = pair.getValue();
}
}
Log.d("tag", "access_token = " + accessToken);
Log.d("tag", "refresh_token = " + refreshToken);
Button chooseImage = new Button(this);
rootView.addView(chooseImage);
chooseImage.setText("Choose an image");
chooseImage.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(Intent.ACTION_PICK, MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(intent, REQUEST_CODE_PICK_IMAGE);
}
});
send = new Button(this);
rootView.addView(send);
send.setText("send to imgur");
send.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (picturePath != null && picturePath.length() > 0 &&
accessToken != null && accessToken.length() > 0) {
(new UploadToImgurTask()).execute(picturePath);
}
}
});
}
}
@Override
protected void onResume() {
super.onResume();
if (send == null) return;
if (picturePath == null || picturePath.length() == 0) {
send.setVisibility(View.GONE);
} else {
send.setVisibility(View.VISIBLE);
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
Log.d("tag", "request code : " + requestCode + ", result code : " + resultCode);
if (data == null) {
Log.d("tag" , "data is null");
}
if (resultCode == Activity.RESULT_OK && requestCode == REQUEST_CODE_PICK_IMAGE && null != data) {
Uri selectedImage = data.getData();
String[] filePathColumn = { MediaStore.Images.Media.DATA };
Cursor cursor = getContentResolver().query(selectedImage,
filePathColumn, null, null, null);
cursor.moveToFirst();
int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
picturePath = cursor.getString(columnIndex);
Log.d("tag", "image path : " + picturePath);
cursor.close();
}
super.onActivityResult(requestCode, resultCode, data);
}
// Here is the upload task
class UploadToImgurTask extends AsyncTask<String, Void, Boolean> {
@Override
protected Boolean doInBackground(String... params) {
final String upload_to = "https://api.imgur.com/3/upload";
HttpClient httpClient = new DefaultHttpClient();
HttpContext localContext = new BasicHttpContext();
HttpPost httpPost = new HttpPost(upload_to);
try {
HttpEntity entity = MultipartEntityBuilder.create()
.addPart("image", new FileBody(new File(params[0])))
.build();
httpPost.setHeader("Authorization", "Bearer " + accessToken);
httpPost.setEntity(entity);
final HttpResponse response = httpClient.execute(httpPost,
localContext);
final String response_string = EntityUtils.toString(response
.getEntity());
final JSONObject json = new JSONObject(response_string);
Log.d("tag", json.toString());
JSONObject data = json.optJSONObject("data");
uploadedImageUrl = data.optString("link");
Log.d("tag", "uploaded image url : " + uploadedImageUrl);
return true;
} catch (Exception e) {
e.printStackTrace();
}
return false;
}
@Override
protected void onPostExecute(Boolean aBoolean) {
super.onPostExecute(aBoolean);
if (aBoolean.booleanValue()) { // after sucessful uploading, show the image in web browser
Button openBrowser = new Button(OAuthTestActivity.this);
rootView.addView(openBrowser);
openBrowser.setText("Open Browser");
openBrowser.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent();
intent.setData(Uri.parse(uploadedImageUrl));
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
}
});
}
}
}
}
|
