我成功发布了推文（文字），但无法发布图片和视频。
我的PostActivity.java
public class PostActivity extends Activity implements View.OnClickListener{
TwitterApiClient twitterApiClient;
private EditText mShareEditText;
private TextView userName;
private ImageView imgPreview;
private VideoView videoPreview;
private Button btn_tweet, btn_capture;
private ProgressDialog pDialog;
private static final int CAMERA_CAPTURE_IMAGE_REQUEST_CODE = 100;
private static final int CAMERA_CAPTURE_VIDEO_REQUEST_CODE = 200;
public static final int MEDIA_TYPE_IMAGE = 1;
public static final int MEDIA_TYPE_VIDEO = 2;
private Uri fileUri;
private static final String IMAGE_DIRECTORY_NAME = "Hello Twitter";
static File mediaFile;
static File mediaStorageDir;
TypedFile typedFile;
TwitterSession session;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_post);
mShareEditText = (EditText) findViewById(R.id.share_text);
userName = (TextView) findViewById(R.id.user_name);
imgPreview = (ImageView)findViewById(R.id.imageView);
videoPreview = (VideoView) findViewById(R.id.videoPreview);
/* register button click listeners */
btn_tweet = (Button)findViewById(R.id.btn_tweet);
btn_tweet.setOnClickListener(this);
btn_capture = (Button)findViewById(R.id.btn_Capture);
btn_capture.setOnClickListener(this);
session = Twitter.getSessionManager()
.getActiveSession();
twitterApiClient = TwitterCore.getInstance().getApiClient(session);
}
@Override
public void onClick(View v) {
switch (v.getId()){
case R.id.btn_tweet:
getTwitterData(session);
break;
case R.id.btn_Capture:
selectImage();
break;
}
}
public void getTwitterData(final TwitterSession session) {
typedFile = new TypedFile("image/jpeg", mediaFile);
MyTwitterApiClient tapiclient = new MyTwitterApiClient(session);
tapiclient.getCustomService().upload(typedFile, new Callback<TwitterMedia>() {
@Override
public void success(Result<TwitterMedia> result) {
Toast.makeText(getApplicationContext(),"upload image",Toast.LENGTH_LONG).show();
}
@Override
public void failure(TwitterException e) {
}
});
tweet();
}
public void tweet() {
String strMessage = mShareEditText.getText().toString();
StatusesService statusesService = twitterApiClient.getStatusesService();
statusesService.update(strMessage, null, null, null, null, null, null, null, new Callback<Tweet>() {
@Override
public void success(Result<Tweet> tweetResult) {
Toast.makeText(getApplicationContext(),"Successfully Post on twitter",Toast.LENGTH_LONG).show();
}
@Override
public void failure(TwitterException e) {
e.printStackTrace();
}
});
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == CAMERA_CAPTURE_IMAGE_REQUEST_CODE) {
if (resultCode == RESULT_OK) {
// successfully captured the image
// display it in image view
previewCapturedImage();
} else if (resultCode == RESULT_CANCELED) {
// user cancelled Image capture
Toast.makeText(getApplicationContext(),
"User cancelled image capture", Toast.LENGTH_SHORT)
.show();
} else {
// failed to capture image
Toast.makeText(getApplicationContext(),
"Sorry! Failed to capture image", Toast.LENGTH_SHORT)
.show();
}
} else if (requestCode == CAMERA_CAPTURE_VIDEO_REQUEST_CODE) {
if (resultCode == RESULT_OK) {
// video successfully recorded
// preview the recorded video
previewVideo();
} else if (resultCode == RESULT_CANCELED) {
// user cancelled recording
Toast.makeText(getApplicationContext(),
"User cancelled video recording", Toast.LENGTH_SHORT)
.show();
} else {
// failed to record video
Toast.makeText(getApplicationContext(),
"Sorry! Failed to record video", Toast.LENGTH_SHORT)
.show();
}
}
super.onActivityResult(requestCode, resultCode, data);
}
/**
* Here we store the file url as it will be null after returning from camera
* app
*/
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
// save file url in bundle as it will be null on scren orientation
// changes
outState.putParcelable("file_uri", fileUri);
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
// get the file url
fileUri = savedInstanceState.getParcelable("file_uri");
}
/**
* Display image from a path to ImageView
*/
private void previewCapturedImage() {
try {
// hide video preview
videoPreview.setVisibility(View.GONE);
imgPreview.setVisibility(View.VISIBLE);
// bimatp factory
BitmapFactory.Options options = new BitmapFactory.Options();
// downsizing image as it throws OutOfMemory Exception for larger
// images
options.inSampleSize = 8;
final Bitmap bitmap = BitmapFactory.decodeFile(fileUri.getPath(),options);
imgPreview.setImageBitmap(bitmap);
} catch (NullPointerException e) {
e.printStackTrace();
}
}
/**
* Previewing recorded video
*/
private void previewVideo() {
try {
// hide image preview
imgPreview.setVisibility(View.GONE);
videoPreview.setVisibility(View.VISIBLE);
videoPreview.setVideoPath(fileUri.getPath());
// start playing
videoPreview.start();
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* Creating file uri to store image/video
*/
public Uri getOutputMediaFileUri(int type) {
return Uri.fromFile(getOutputMediaFile(type));
}
/**
* returning image / video
*/
public static File getOutputMediaFile(int type){
// External sdcard location
mediaStorageDir = new File(
Environment
.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES),
IMAGE_DIRECTORY_NAME);
if (!mediaStorageDir.exists()) {
if (!mediaStorageDir.mkdirs()) {
Log.d(IMAGE_DIRECTORY_NAME, "Oops! Failed create "
+ IMAGE_DIRECTORY_NAME + " directory");
return null;
}
}
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss",
Locale.getDefault()).format(new Date());
if (type == MEDIA_TYPE_IMAGE) {
mediaFile = new File(mediaStorageDir.getPath() + File.separator
+ "IMG_" + timeStamp + ".jpg");
} else if (type == MEDIA_TYPE_VIDEO) {
mediaFile = new File(mediaStorageDir.getPath() + File.separator
+ "VID_" + timeStamp + ".mp4");
} else {
return null;
}
return mediaFile;
}
private void selectImage() {
final CharSequence[] options = { "Take Photo", "Tack Video","Cancel" };
AlertDialog.Builder builder = new AlertDialog.Builder(PostActivity.this);
builder.setTitle("Add Photo!");
builder.setItems(options, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int item) {
if (options[item].equals("Take Photo")) {
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
fileUri = getOutputMediaFileUri(MEDIA_TYPE_IMAGE);
intent.putExtra(MediaStore.EXTRA_OUTPUT, fileUri);
startActivityForResult(intent, CAMERA_CAPTURE_IMAGE_REQUEST_CODE);
} else if (options[item].equals("Tack Video")) {
Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
fileUri = getOutputMediaFileUri(MEDIA_TYPE_VIDEO);
intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 1);
intent.putExtra(MediaStore.EXTRA_OUTPUT, fileUri); // set the image file
startActivityForResult(intent, CAMERA_CAPTURE_VIDEO_REQUEST_CODE);
} else if (options[item].equals("Cancel")) {
dialog.dismiss();
}
}
});
builder.show();
}
}
我使用相机（捕捉）在imageview和videoview上显示图像和视频。
请帮助我 提前谢谢
答案 0 :(得分：1)
请检查使用Fabric
上传图片答案 1 :(得分：0)
您的代码缺少部分。您是否可以添加<link href="http://cdn.kendostatic.com/2015.2.624/styles/kendo.material.min.css" rel="stylesheet" />
<link href="http://cdn.kendostatic.com/2015.2.624/styles/kendo.common-material.min.css" rel="stylesheet" />
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script src="http://cdn.kendostatic.com/2015.2.624/js/kendo.all.min.js"></script>
<div id="grid"></div>课程并查看媒体上传内容：http://twitter4j.org/en/index.html