I have an Activity where the user can share an image from the raw folder.
The raw folder has 70 images, all named alphabetically. The first one is R.raw.recipe01 and the last is R.raw.recipe70.
I get the image int I would like to share from a Bundle and I have a method which copies the image from the raw folder to a accessible file.
I call startActivity(createShareIntent()); in the ActionBar MenuItem, which works successfully.
PROBLEM
The share intent will always select R.raw.recipe01 as the image, even if the int from the Bundle is for image for exmaple R.raw.recipe33.
I have shared my code below. Can anyone spot what I am doing wrong?
CODE:
private int rawphoto = 0;
private static final String SHARED_FILE_NAME = "shared.png";
#Override
public void onCreate(Bundle savedInstanceState) {
Bundle bundle = getIntent().getExtras();
rawphoto = bundle.getInt("rawphoto");
int savedphoto = rawphoto;
// COPY IMAGE FROM RAW
copyPrivateRawResourceToPubliclyAccessibleFile(savedphoto);
private Intent createShareIntent() {
Intent shareIntent = new Intent(Intent.ACTION_SEND);
shareIntent.setType("image/*");
shareIntent.putExtra(Intent.EXTRA_TEXT, "IMAGE TO SHARE: ");
Uri uri = Uri.fromFile(getFileStreamPath("shared.png"));
shareIntent.putExtra(Intent.EXTRA_STREAM, uri);
return shareIntent;
}
private void copyPrivateRawResourceToPubliclyAccessibleFile(int photo) {
System.out.println("INT PHOTO: " +photo);
InputStream inputStream = null;
FileOutputStream outputStream = null;
try {
inputStream = getResources().openRawResource(photo);
outputStream = openFileOutput(SHARED_FILE_NAME,
Context.MODE_WORLD_READABLE | Context.MODE_APPEND);
byte[] buffer = new byte[1024];
int length = 0;
try {
while ((length = inputStream.read(buffer)) > 0) {
outputStream.write(buffer, 0, length);
}
} catch (IOException ioe) {
/* ignore */
}
} catch (FileNotFoundException fnfe) {
/* ignore */
}
finally {
try {
inputStream.close();
} catch (IOException ioe) {
}
try {
outputStream.close();
} catch (IOException ioe) {
}
}
}
Remove Context.MODE_APPEND so that the file gets overwritten if it already exists.
Related
Trying to Take Screenshot, and Share that image.
Tried bunch of codes, stack, youtube. dont know where is the problem in my code.
Taking screenshot as unknown format. Tried png,jpeg. still remains same.
Screen while share intent
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_screen);
View rootView = getWindow().getDecorView().getRootView();
Button bat = findViewById(R.id.btsharee);
bat.setOnClickListener(
view ->
shareImage(store(getScreenShot(rootView),"sos.jpeg")));
}
method for screenshot and storing
public static Bitmap getScreenShot(View view) {
view.setDrawingCacheEnabled(true);
Bitmap bitmap = Bitmap.createBitmap(view.getDrawingCache());
view.setDrawingCacheEnabled(false);
return bitmap;
}
public static File store(Bitmap bm, String fileName){
final String dirPath = Environment
.getExternalStorageDirectory().getAbsolutePath() +"/Screenshots";
File dir = new File(dirPath);
if(!dir.exists()){
boolean mkdir = dir.mkdir();
}
File file = new File(dirPath, fileName);
try {
FileOutputStream fOut = new FileOutputStream(file);
bm.compress(Bitmap.CompressFormat.JPEG,100, fOut);
fOut.flush();
fOut.close();
return file;
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return dir;
}
private void shareImage(File file){
Uri uri;
if (Build.VERSION.SDK_INT < 24) {
uri = Uri.fromFile(file);
uri = Uri.parse(file.getPath());
} else {
uri = Uri.parse(file.getPath());
}
Intent intent = new Intent();
intent.setAction(Intent.ACTION_SEND);
intent.setType("image/*"); //also tried image/jpeg
intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
intent.putExtra(Intent.EXTRA_STREAM, uri);
intent.putExtra(android.content.Intent.EXTRA_SUBJECT, "");
intent.putExtra(android.content.Intent.EXTRA_TEXT, "Msg:" );
try {
startActivity(Intent.createChooser(intent, "Share Screenshot"));
} catch (ActivityNotFoundException e) {
Toast.makeText(context, "No App Available", Toast.LENGTH_SHORT).show();
}
}
I checked storage permission, but storage permission have no problem.
Can anyone help me out..?
I'm trying to implement in my app the haystack.ai API. I read the documentation. I need help to change something in my code.
In the example code in the documentation, you provide the path of your image. I need to let the user choose a picture from the gallery(I know how to do that) and then convert the picture into an array of byte.
That's what I tried:
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_rate);
backBtn = findViewById(R.id.back_btn);
image = findViewById(R.id.imageRated);
if (getIntent().getExtras() != null) {
imageUri = Uri.parse(getIntent().getStringExtra("uri"));
image.setImageURI(imageUri);
}
backBtn.setOnClickListener(new View.OnClickListener() {
#Override
public void onClick(View v) {
Intent intent = new Intent(RateActivity.this, MainActivity.class);
startActivity(intent);
}
});
try {
getScore();
} catch (IOException e) {
e.printStackTrace();
}
}
public void getScore() throws IOException {
URL url = new URL("https://api.haystack.ai/api/image/analyze?output=json&apikey=myapikey");
URLConnection conn = url.openConnection();
conn.setDoOutput(true);
byte[] imageData = FileUtils.readFileToByteArray(new File(imageUri.toString()));
OutputStream os = new BufferedOutputStream(conn.getOutputStream());
os.write(imageData);
os.close();
InputStream is = conn.getInputStream();
byte[] buffer = new byte[1024];
ByteArrayOutputStream responseBuffer = new ByteArrayOutputStream();
while (true) {
int n = is.read(buffer, 0, buffer.length);
if (n <= 0) {
break;
}
responseBuffer.write(buffer, 0, n);
}
String response = responseBuffer.toString("UTF-8");
Log.v("Score", response);
}
}
The logcat says :
RateActivity.getScore(Unknown Source:12) at line 62 --->
byte[] imageData = FileUtils.readFileToByteArray(new File(imageUri.toString()));
I also tried:
byte[] imageData = FileUtils.readFileToByteArray(new File(imageUri.getPath()));
The original code in the documentation is:
byte[] imageData = Files.readAllBytes(Paths.get("testImage4.jpg"));
I need to convert the selected picture for the imageData array.
How can I do that?
From your question it seems that you want to convert image URI to
byteArray.
If it is the case you can try the code below.
public void convertUriToByteArray(String uri)
{
ByteArrayOutputStream bArray = new ByteArrayOutputStream();
FileInputStream fIn = null;
try {
fIn = new FileInputStream(new File(uri));
} catch (FileNotFoundException e) {
e.printStackTrace();
}
byte[] buf = new byte[1024];
int n;
try {
while (-1 != (n = fIn.read(buf)))
bArray.write(buf, 0, n);
} catch (IOException e) {
e.printStackTrace();
}
byte[] bytes = bArray.toByteArray();
}
I am new to tess-two library. I am able to add that library and getting image from drawable and its even converting, but I am getting wrong text as below:
Here is my complete code:
Bitmap image;
private TessBaseAPI mTess;
String datapath = "";
#Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//init image
image = BitmapFactory.decodeResource(getResources(), R.drawable.test_image);
//initialize Tesseract API
String language = "eng";
datapath = getFilesDir()+ "/tesseract/";
mTess = new TessBaseAPI();
checkFile(new File(datapath + "tessdata/"));
mTess.init(datapath, language);
}
private void checkFile(File file) {
if (!file.exists()&& file.mkdirs()){
copyFiles();
}
if(file.exists()) {
String datafilepath = datapath+ "/tessdata/eng.traineddata";
File datafile = new File(datafilepath);
if (!datafile.exists()) {
copyFiles();
}
}
}
public void processImage(View view){
String OCRresult = null;
mTess.setImage(image);
OCRresult = mTess.getUTF8Text();
TextView OCRTextView = (TextView) findViewById(R.id.OCRTextView);
OCRTextView.setText(OCRresult);
}
private void copyFiles() {
try {
String filepath = datapath + "/tessdata/eng.traineddata";
AssetManager assetManager = getAssets();
InputStream instream = assetManager.open("tessdata/eng.traineddata");
OutputStream outstream = new FileOutputStream(filepath);
byte[] buffer = new byte[1024];
int read;
while ((read = instream.read(buffer)) != -1) {
outstream.write(buffer, 0, read);
}
outstream.flush();
outstream.close();
instream.close();
File file = new File(filepath);
if (!file.exists()) {
throw new FileNotFoundException();
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
I am getting text like:
mmmm.and,mmm,1111 etc
Any help is appreciated.
I had the same issue. It have fixed it 2 minutes ago, you have to resize your image to a bigger size. I used thumbnailator library to do the job:
BufferedImage bigger = Thumbnails.of(oldImage).size(700, 500).asBufferedImage();
I hope it helps and apologise for my awful English.
Note: more information about resizing here
Possible Isuues that may have:
Incorrect OCR-ed text
Add the keywords in your training data
Follow the tutorial Tesseract Tutorial Page
I want my program to download many images (around 500) from the internet and store them in my external storage. Currently when I download a single image, it shows a progressBar and downloads the image properly. However when I am trying to replicate w/ two images, it gives the Toast for "Download complete" for both images being downloaded, however no progressBar for either image is shown and only the first image is properly downloaded.
Here is the code for my onCreate method for activity.
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//Remove Title bar
this.requestWindowFeature(Window.FEATURE_NO_TITLE);
//force portrait orientation. (No landscape orientation).
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
setContentView(R.layout.activity_quran);
//Instantiate ProgressDialog (Used for downloading quran pages).
myProgressDialog = new ProgressDialog(QuranActivity.this);
myProgressDialog.setMessage("Downloading Quran");
myProgressDialog.setIndeterminate(true);
myProgressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
myProgressDialog.setCancelable(true);
//execute when the downloader must be fired.
final DownloadTask downloadTask = new DownloadTask(QuranActivity.this);
DownloadTask second = new DownloadTask(getApplicationContext());
myHTTPURL = "https://ia601608.us.archive.org/BookReader/BookReaderImages.php?zip=/10/items/05Quran15LineWhitePageWithVioletBorderWww.Momeen.blogspot.com/05%20Quran%2015%20Line%20[White%20page%20with%20Violet%20border]%20-%20www.Momeen.blogspot.com_jp2.zip&file=05%20Quran%2015%20Line%20[White%20page%20with%20Violet%20border]%20-%20www.Momeen.blogspot.com_jp2/05%20Quran%2015%20Line%20[White%20page%20with%20Violet%20border]%20-%20www.Momeen.blogspot.com_0001.jp2&scale=1&rotate=0";
myHTTPURL2 = "https://ia601608.us.archive.org/BookReader/BookReaderImages.php?zip=/10/items/05Quran15LineWhitePageWithVioletBorderWww.Momeen.blogspot.com/05%20Quran%2015%20Line%20[White%20page%20with%20Violet%20border]%20-%20www.Momeen.blogspot.com_jp2.zip&file=05%20Quran%2015%20Line%20[White%20page%20with%20Violet%20border]%20-%20www.Momeen.blogspot.com_jp2/05%20Quran%2015%20Line%20[White%20page%20with%20Violet%20border]%20-%20www.Momeen.blogspot.com_0002.jp2&scale=1&rotate=0";
//First check if the file has already been created. (Only need to download 1ce, or
//in the case where the user deleted the files, we reinstall them again).
if (isExternalStorageWritable()) {
File makeDirectory = getQuranStorageDir(QuranActivity.this, "Quran_Pages");
for (int i = 0; i < 2; i++) {
Bundle myBundle = new Bundle();
myBundle.putInt("i", i);
if (i == 0) {
downloadTask.execute(myHTTPURL);
try {
downloadTask.get();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (ExecutionException e) {
e.printStackTrace();
}
myProgressDialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
#Override
public void onCancel(DialogInterface dialog) {
downloadTask.cancel(true);
}
});
} else {
/*if (downloadTask.getStatus() == AsyncTask.Status.FINISHED) {
downloadTask.execute(myHTTPURL2);
} else if (downloadTask.getStatus() == AsyncTask.Status.RUNNING) {
try {
downloadTask.execute(myHTTPURL2).wait(10000);
} catch (InterruptedException e) {
e.printStackTrace();
}
} */
second.execute(myHTTPURL2);
try {
second.get();
} catch (InterruptedException e) {
e.printStackTrace();
} catch (ExecutionException e) {
e.printStackTrace();
}
// downloadTask.execute(myHTTPURL2);
}
}
}
and this is the code for my AsynTask Class.
#TargetApi(Build.VERSION_CODES.FROYO)
private class DownloadTask extends AsyncTask {
private Context context;
private PowerManager.WakeLock myWakeLock;
public DownloadTask(Context context) {
this.context = context;
}
#Override
protected String doInBackground(String... sUrl) {
InputStream input = null;
OutputStream output = null;
HttpURLConnection connection = null;
try {
URL url = new URL(sUrl[0]);
connection = (HttpURLConnection) url.openConnection();
connection.setDoOutput(true);
connection.setRequestMethod("GET");
connection.connect();
if (connection.getResponseCode() != HttpURLConnection.HTTP_OK) {
return "Server returned HTTP " + connection.getResponseCode()
+ " " + connection.getResponseMessage();
}
//Display download percentage.
int fileLength = connection.getContentLength();
//create folder to place the downloaded file in.
// File Path:E:\Android\data\com.syedabdullah.syed.quran_memorization_application
// \files\Quran Memorization Application\Quran_Pictures
//So first create a root folder Quran Memorization Application then inside that
//folder we create another folder named Quran Pictures.
/* File rootFolder = new File(getExternalFilesDir("Quran Memorization Application"),
"Quran_Pages"); */
//Here we insert inside the Quran_Pictures folder the quran_pages.
//String myFileName = "quran_01.jpg";
Bundle y = new Bundle();
int retrievePos = y.getInt("i");
String quranFilePageName = "_" + retrievePos + ".jpg";
// String fileName = "justwork.jpg";
File sup = new File(getExternalFilesDir("Quran Memorization Application"), "Quran_Pages");
File myFile = new File(sup, quranFilePageName);
myFile.createNewFile();
//downlaod the file.
input = connection.getInputStream();
output = new FileOutputStream(myFile);
byte data[] = new byte[4096];
long total = 0;
int count;
while ((count = input.read(data)) != -1) {
//allow cancel with back button.
if (isCancelled()) {
input.close();
return null;
}
total += count;
//publish the progress.
if (fileLength > 0) {
publishProgress((int) (total * 100 / fileLength));
}
output.write(data, 0, count);
}
Intent intent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
intent.setData(Uri.fromFile(myFile));
QuranActivity.this.sendBroadcast(intent);
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
if (output != null) {
output.close();
}
if (input != null) {
input.close();
}
} catch (IOException e) {
e.printStackTrace();
}
if (connection != null) {
connection.disconnect();
}
}
return null;
}
#Override
protected void onPreExecute() {
super.onPreExecute();
//Take CPU lock to prevent CPU from going off if the user presses the power button.
//during download.
PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
myWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, getClass().getName());
myWakeLock.acquire();
myProgressDialog.show();
}
#Override
protected void onProgressUpdate(Integer... progress) {
super.onProgressUpdate(progress);
//If we get here length is known, so setIndertimante to false.
myProgressDialog.setIndeterminate(false);
myProgressDialog.setMax(100);
myProgressDialog.setProgress(progress[0]);
}
#Override
protected void onPostExecute(String result) {
myWakeLock.release();
myProgressDialog.dismiss();
if (result != null) {
Toast.makeText(context, "Download error: " + result, Toast.LENGTH_LONG).show();
} else {
Toast.makeText(context, "Download Complete", Toast.LENGTH_SHORT).show();
}
}
} }
I was hoping to have a for loop that would create hundreds of downloadTasks and download all the images I need, and then I would call the get method. However in order for that to work, I first need too know why when I try for 2 images only the first one gets downloaded and why no progressbar shows up. Also if possible if I could get a hint as to how I can make my progressBar update for all the images and not be designed for just 1. Thanks in advance. (Note all URLs are currect.)
Thank you so much! figured out that my loops were suppose to go inside doInBackground. Also to anyone else having a similar issue. To download multiple files and display a decent progressBar, here is a very great tutorial: http://theopentutorials.com/tutorials/android/dialog/android-download-multiple-files-showing-progress-bar/
I download an image from the internet with a service. When the download is complete it changes the textview. I tried this on my device and it works.
Now i want the imageview in my layout to change to the downloaded image.
ServiceFile java
public class ServiceFile extends IntentService {
private int result = Activity.RESULT_CANCELED;
public static final String URL = "urlpath";
public static final String FILENAME = "filename";
public static final String FILEPATH = "filepath";
public static final String RESULT = "result";
public static final String NOTIFICATION = "be.ehb.arnojansens.fragmentexampleii";
public ServiceFile() {
super("ServiceFile");
}
// will be called asynchronously by Android
#Override
protected void onHandleIntent(Intent intent) {
String urlPath = intent.getStringExtra(URL);
String fileName = intent.getStringExtra(FILENAME);
File output = new File(Environment.getExternalStorageDirectory(),
fileName);
if (output.exists()) {
output.delete();
}
InputStream stream = null;
FileOutputStream fos = null;
try {
java.net.URL url = new URL(urlPath);
stream = url.openConnection().getInputStream();
InputStreamReader reader = new InputStreamReader(stream);
fos = new FileOutputStream(output.getPath());
int next = -1;
while ((next = reader.read()) != -1) {
fos.write(next);
}
// successfully finished
result = Activity.RESULT_OK;
} catch (Exception e) {
e.printStackTrace();
} finally {
if (stream != null) {
try {
stream.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if (fos != null) {
try {
fos.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
publishResults(output.getAbsolutePath(), result);
}
private void publishResults(String outputPath, int result) {
Intent intent = new Intent(NOTIFICATION);
intent.putExtra(FILEPATH, outputPath);
intent.putExtra(RESULT, result);
sendBroadcast(intent);
}
}
This is my main activity where i have my textview and the future imageview
private TextView textView;
private ImageView imageView;
private BroadcastReceiver receiver = new BroadcastReceiver() {
#Override
public void onReceive(Context context, Intent intent) {
Bundle bundle = intent.getExtras();
if (bundle != null) {
String string = bundle.getString(ServiceFile.FILEPATH);
int resultCode = bundle.getInt(ServiceFile.RESULT);
if (resultCode == RESULT_OK) {
Toast.makeText(MainActivity.this,
"Download complete. Download URI: " + string,
Toast.LENGTH_LONG).show();
textView.setText("Download done");
// here i shoud load my image i downloaded with my service
} else {
Toast.makeText(MainActivity.this, "Download failed",
Toast.LENGTH_LONG).show();
textView.setText("Download failed");
}
}
}
};
public void service (View view) {
Intent intent = new Intent(this, ServiceFile.class);
// add infos for the service which file to download and where to store
intent.putExtra(ServiceFile.FILENAME, "index.html");
intent.putExtra(ServiceFile.URL,
"http://en.wikipedia.org/wiki/Star_Wars#mediaviewer/File:Star_Wars_Logo.svg");
startService(intent);
textView.setText("Service started");
}
Better to use Picasso or Universal Image Loader than to pass the information per Intent.
If not, your service should write the image into a readable folder and you can send by intent the Uri to that file to whom it concerns with EventBus for instance