Android.os.fileuriexposedException: file: ///storage/emultion/0/pictures/picfolder/1.jpg, выявленная за пределы приложен ⇐ Android

[Anonymous]

Я пытаюсь сфотографироваться с камеры телефона, используя этот код: < /p>

Activity_main.xml:







< /code>

mainactivity.java:

public class CameraDemoActivity extends Activity {
int TAKE_PHOTO_CODE = 0;
public static int count = 0;

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

// Here, we are making a folder named picFolder to store
// pics taken by the camera using this application.
final String dir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES) + "/picFolder/";
File newdir = new File(dir);
newdir.mkdirs();

Button capture = (Button) findViewById(R.id.btnCapture);
capture.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {

// Here, the counter will be incremented each time, and the
// picture taken by camera will be stored as 1.jpg,2.jpg
// and likewise.
count++;
String file = dir+count+".jpg";
File newfile = new File(file);
try {
newfile.createNewFile();
}
catch (IOException e)
{
}

Uri outputFileUri = Uri.fromFile(newfile);

Intent cameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
cameraIntent.putExtra(MediaStore.EXTRA_OUTPUT, outputFileUri);

startActivityForResult(cameraIntent, TAKE_PHOTO_CODE);
}
});
}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);

if (requestCode == TAKE_PHOTO_CODE && resultCode == RESULT_OK) {
Log.d("CameraDemo", "Pic saved");
}
}
}
< /code>

Я также добавил эти разрешения в manifest.xml: < /p>





Но я получаю это сообщение об ошибке:


android.os.fileuriexposedException:
file: ///storage/mulate/0/pictures/picfolder/1.jpg. Clydata.item.geturi () < /p>
< /blockquote>

В чем проблема и как это исправить?package com.m.textdetection;

import android.Manifest;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.icu.text.SimpleDateFormat;
import android.net.Uri;
import android.os.Environment;
import android.provider.MediaStore;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v4.content.FileProvider;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;

import java.io.File;
import java.io.IOException;
import java.util.Date;

public class MainActivity extends AppCompatActivity {

private MyTessOCR mTessOCR = new MyTessOCR(MainActivity.this);

private Button takePictureButton;
private ImageView imageView;

/*
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

takePictureButton = (Button) findViewById(R.id.button_image);
imageView = (ImageView) findViewById(R.id.imageview);

if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
takePictureButton.setEnabled(false);
ActivityCompat.requestPermissions(this, new String[] { Manifest.permission.CAMERA, Manifest.permission.WRITE_EXTERNAL_STORAGE }, 0);
}
}

@Override
public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
if (requestCode == 0) {
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED
&& grantResults[1] == PackageManager.PERMISSION_GRANTED) {
takePictureButton.setEnabled(true);
}
}
}

public void takePicture(View view) {
Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
file = Uri.fromFile(getOutputMediaFile());
intent.putExtra(MediaStore.EXTRA_OUTPUT, file);

startActivityForResult(intent, 100);
}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
if (requestCode == 100) {
if (resultCode == RESULT_OK) {
imageView.setImageURI(File);
}
}
}

private static File getOutputMediaFile(){
File mediaStorageDir = new File(Environment.getExternalStoragePublicDirectory(
Environment.DIRECTORY_PICTURES), "CameraDemo");

if (!mediaStorageDir.exists()){
if (!mediaStorageDir.mkdirs()){
return null;
}
}

String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
return new File(mediaStorageDir.getPath() + File.separator +
"IMG_"+ timeStamp + ".jpg");
}
*/

int TAKE_PHOTO_CODE = 0;
public static int count = 0;

@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

final String dir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES) + "/picFolder/";
File newdir = new File(dir);
newdir.mkdirs();

Button capture = (Button) findViewById(R.id.btnCapture);
capture.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {

// Here, the counter will be incremented each time, and the
// picture taken by camera will be stored as 1.jpg,2.jpg
// and likewise.
count++;
String file = dir+count+".jpg";
File newfile = new File(file);
try {
newfile.createNewFile();
}
catch (IOException e)
{
}

// Uri outputFileUri = Uri.fromFile(newfile);
Uri outputFileUri = FileProvider.getUriForFile(MainActivity.this, BuildConfig.APPLICATION_ID, newfile);

Intent cameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
cameraIntent.putExtra(MediaStore.EXTRA_OUTPUT, outputFileUri);

startActivityForResult(cameraIntent, TAKE_PHOTO_CODE);
}
});

}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data)
{
super.onActivityResult(requestCode, resultCode, data);

if (requestCode == TAKE_PHOTO_CODE && resultCode == RESULT_OK) {
Log.d("CameraDemo", "Pic saved");
}
}

private void doOCR()
{
// String temp = mTessOCR.getOCRResult(bitmap);

}
}
< /code>

manifest: < /p>

















android:name="android.support.v4.content.FileProvider"
android:authorities="${applicationId}.my.package.name.provider"
android:exported="false"
android:grantUriPermissions="true"
tools:replace="android:authorities">






< /code>

build.gradle(app):

apply plugin: 'com.android.application'

android {
compileSdkVersion 27
buildToolsVersion "27.0.3"
defaultConfig {
applicationId "com.m.textdetection"
minSdkVersion 21
targetSdkVersion 27
versionCode 1
versionName "1.0"
testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
}
}
}

dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations'
})
compile 'com.android.support:appcompat-v7:27.0.2'
compile 'com.android.support.constraint:constraint-layout:1.0.2'
testCompile 'junit:junit:4.12'

compile 'com.rmtheis:tess-two:6.0.3'
compile 'com.android.support:support-v4:27.0.2'

}
< /code>

И это новая ошибка: < /p>


java.lang.nullpointerexception: попытка вызвать виртуальный метод
android.content.res.xmlresourcesser
android.content.pm.providerinfo.loadxmlmetadata (android.content.pm.packagemanager,
java.lang.string) 'на новой ссылке на объект < /p>
< /blockquote>

Происходит в этой строке: < /p>

: < /p>

: < /p>

: < /p>

: Uri outputFileUri = FileProvider.getUriForFile(MainActivity.this, BuildConfig.APPLICATION_ID, newfile);
< /code>

edir2: < /p>

package com.m.textdetection;

import android.content.Context;
import android.content.res.AssetManager;
import android.graphics.Bitmap;
import android.os.Environment;
import android.util.Log;

import com.googlecode.tesseract.android.TessBaseAPI;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;

public class MyTessOCR {
private String datapath;
private TessBaseAPI mTess;
Context context;
public MyTessOCR(Context context)
{
this.context = context;
datapath = Environment.getExternalStorageDirectory() + "/ocrctz/";
File dir = new File(datapath + "/tessdata/");
File file = new File(datapath + "/tessdata/" + "eng.traineddata");
if (!file.exists())
{
Log.d("mylog", "in file doesn't exist");
dir.mkdirs();
copyFile(context);
}

mTess = new TessBaseAPI();
String language = "eng";
mTess.init(datapath, language);
//Auto only
mTess.setPageSegMode(TessBaseAPI.PageSegMode.PSM_AUTO_ONLY);
}

public void stopRecognition() {
mTess.stop();
}

public String getOCRResult(Bitmap bitmap)
{
mTess.setImage(bitmap);
String result = mTess.getUTF8Text();
return result;
}

public void onDestroy()
{
if (mTess != null)
mTess.end();
}

private void copyFile(Context context)
{
AssetManager assetManager = context.getAssets();
try
{ InputStream in = assetManager.open("eng.traineddata");
OutputStream out = new FileOutputStream(datapath + "/tessdata/" + "eng.traineddata");
byte[] buffer = new byte[1024];
int read = in.read(buffer);
while (read != -1) {
out.write(buffer, 0, read);
read = in.read(buffer); }
} catch (Exception e)
{
Log.d("mylog", "couldn't copy with the following error : "+e.toString());
}
}
}


Подробнее здесь: https://stackoverflow.com/questions/489 ... s-picfolde