I developed website and converted it into Android app using WebView. Saw few implementation and tried FILE upload, where I can upload image from gallery but I am not allowed to upload image which is taken from Camera. I was thrown net::ERR_ACCESS_DENIED error. Please help me to get this fixed.
MAINACTIVITY.java
public class MainActivity extends AppCompatActivity {
private WebView web;
String webUrl = "https://mywebsite.com/";
public Context context;
private static final String TAG = MainActivity.class.getSimpleName();
private static final int FILECHOOSER_RESULTCODE = 1;
private ValueCallback<uri> mUploadMessage;
private Uri mCapturedImageURI = null;
private ValueCallback<Uri[]> mFilePathCallback;
private String mCameraPhotoPath;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
web = (WebView) findViewById(R.id.myweb);
web.loadUrl(webUrl);
WebSettings mywebsettings = web.getSettings();
mywebsettings.setJavaScriptEnabled(true);
web.setWebViewClient(new WebViewClient());
web.getSettings().setLoadsImagesAutomatically(true);
web.getSettings().setRenderPriority(WebSettings.RenderPriority.HIGH);
web.getSettings().setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK);
web.getSettings().setAppCacheEnabled(true);
web.setScrollBarStyle(View.SCROLLBARS_INSIDE_OVERLAY);
mywebsettings.setDomStorageEnabled(true);
mywebsettings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.NARROW_COLUMNS);
mywebsettings.setUseWideViewPort(true);
mywebsettings.setSavePassword(true);
mywebsettings.setSaveFormData(true);
mywebsettings.setEnableSmoothTransition(true);
web.setWebChromeClient(new WebChromeClient() {
public boolean onShowFileChooser(
WebView webView, ValueCallback<Uri[]> filePathCallback,
WebChromeClient.FileChooserParams fileChooserParams) {
if (mFilePathCallback != null) {
mFilePathCallback.onReceiveValue(null);
}
mFilePathCallback = filePathCallback;
Intent takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
if (takePictureIntent.resolveActivity(getPackageManager()) != null) {
File photoFile = null;
try {
photoFile = createImageFile();
takePictureIntent.putExtra("PhotoPath", mCameraPhotoPath);
} catch (IOException ex) {
Log.e(TAG, "Unable to create Image File", ex);
}
if (photoFile != null) {
mCameraPhotoPath = "file:" + photoFile.getAbsolutePath();
takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT,
Uri.fromFile(photoFile));
} else {
takePictureIntent = null;
}
}
Intent contentSelectionIntent = new Intent(Intent.ACTION_GET_CONTENT);
contentSelectionIntent.addCategory(Intent.CATEGORY_OPENABLE);
contentSelectionIntent.setType("image/*");
Intent[] intentArray;
if (takePictureIntent != null) {
intentArray = new Intent[]{takePictureIntent};
} else {
intentArray = new Intent[0];
}
Intent chooserIntent = new Intent(Intent.ACTION_CHOOSER);
chooserIntent.putExtra(Intent.EXTRA_INTENT, contentSelectionIntent);
chooserIntent.putExtra(Intent.EXTRA_TITLE, getString(R.string.image_chooser));
chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, intentArray);
startActivityForResult(chooserIntent, FILECHOOSER_RESULTCODE);
return true;
}
private File createImageFile() throws IOException {
File imageStorageDir = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES), "DirectoryNameHere");
if (!imageStorageDir.exists()) {
imageStorageDir.mkdirs();
}
imageStorageDir = new File(imageStorageDir + File.separator + "IMG_" + String.valueOf(System.currentTimeMillis()) + ".jpg");
return imageStorageDir;
}
public void openFileChooser(ValueCallback<uri> uploadMsg, String acceptType) {
mUploadMessage = uploadMsg;
try {
File imageStorageDir = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES), "DirectoryNameHere");
if (!imageStorageDir.exists()) {
imageStorageDir.mkdirs();
}
File file = new File(imageStorageDir + File.separator + "IMG_" + String.valueOf(System.currentTimeMillis()) + ".jpg");
mCapturedImageURI = Uri.fromFile(file); // save to the private variable
final Intent captureIntent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
captureIntent.putExtra(MediaStore.EXTRA_OUTPUT, mCapturedImageURI);
Intent i = new Intent(Intent.ACTION_GET_CONTENT);
i.addCategory(Intent.CATEGORY_OPENABLE);
i.setType("image/*");
Intent chooserIntent = Intent.createChooser(i, getString(R.string.image_chooser));
chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, new Parcelable[]{captureIntent});
startActivityForResult(chooserIntent, FILECHOOSER_RESULTCODE);
} catch (Exception e) {
Toast.makeText(getBaseContext(), "Camera Exception:" + e, Toast.LENGTH_LONG).show();
}
}
public void openFileChooser(ValueCallback<Uri> uploadMsg) {
openFileChooser(uploadMsg, "");
}
public void openFileChooser(ValueCallback<uri> uploadMsg, String acceptType, String capture) {
openFileChooser(uploadMsg, acceptType);
}
});
}
verride
public void onActivityResult(int requestCode, int resultCode, Intent data) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
if (requestCode == FILECHOOSER_RESULTCODE) {
if (null == this.mUploadMessage) {
return;
}
Uri result = null;
try {
if (resultCode != RESULT_OK) {
result = null;
} else {
// retrieve from the private variable if the intent is null
result = data == null ? mCapturedImageURI : data.getData();
}
} catch (Exception e) {
Toast.makeText(getApplicationContext(), "activity :" + e, Toast.LENGTH_LONG).show();
}
mUploadMessage.onReceiveValue(result);
mUploadMessage = null;
}
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
if (requestCode != FILECHOOSER_RESULTCODE || mFilePathCallback == null) {
super.onActivityResult(requestCode, resultCode, data);
return;
}
Uri[] results = null;
if (resultCode == Activity.RESULT_OK) {
if (data == null || data.getData() == null) {
// if there is not data, then we may have taken a photo
if (mCameraPhotoPath != null) {
results = new Uri[]{Uri.parse(mCameraPhotoPath)};
}
} else {
String dataString = data.getDataString();
if (dataString != null) {
results = new Uri[]{Uri.parse(dataString)};
}
}
}
mFilePathCallback.onReceiveValue(results);
mFilePathCallback = null;
}
}
@Override
public void onBackPressed() {
if(web.canGoBack()){
web.goBack();
}
else {
super.onBackPressed();
}
}
}
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<WebView
android:id="@+id/web"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</androidx.constraintlayout.widget.ConstraintLayout>
using following app permissions:
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.CAMERA"/>
<uses-permission android:name="android.permission.CAMERA2"/>
strings.xml
<string name="image_chooser">File Chooser</string>
question from:
https://stackoverflow.com/questions/65641524/cannot-upload-image-taken-from-camera-in-android-webview-can-upload-image-from 与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…