如何解决带有 IllegalStateException 的 Android 11 上的相机崩溃
我正在我的应用程序中打开相机和文件选择器。它在包括 android 11 在内的所有版本中都可以正常工作。但是在带有 android 11 的 google pixel 5 中，它在尝试打开相机时坏了。应用程序没有中断，但相机一直在关闭警报显示和以下异常正在发生。
java.lang.IllegalStateException: GCA 未授予 file:///storage/emulated/0/Pictures/JPEG_20210727_095347_634440296695227002.jpg 的写权限
Java 代码：
/***Camera or file chooser ***/
public boolean onShowFileChooser(WebView webView,ValueCallback<Uri[]> filePathCallback,FileChooserParams fileChooserParams) {
if ( Build.VERSION.SDK_INT <= 29) {
file_path = filePathCallback;
Intent takePictureIntent = null;
boolean includePhoto = true;
if (includePhoto)
{
takePictureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
if (takePictureIntent.resolveActivity(getPackageManager()) != null)
{
File photoFile = null;
try {
photoFile = create_image();
takePictureIntent.putExtra("PhotoPath",cam_file_data);
} catch (IOException ex) {
Log.e(TAG,"Image file creation Failed",ex);
}
if (photoFile != null) {
cam_file_data = "file:" + photoFile.getAbsolutePath();
takePictureIntent.putExtra(MediaStore.EXTRA_OUTPUT,Uri.fromFile(photoFile));
} else {
cam_file_data = null;
takePictureIntent = null;
}
}
}
Intent contentSelectionIntent = new Intent(Intent.ACTION_GET_CONTENT);
contentSelectionIntent.addCategory(Intent.CATEGORY_OPENABLE);
contentSelectionIntent.setType(file_type);
if (multiple_files) {
contentSelectionIntent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE,true);
}
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,"File chooser");
chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS,intentArray);
startActivityForResult(chooserIntent,file_req_code);
return true;
} else if ( Build.VERSION.SDK_INT >= 30) {
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) {
}
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,"Image Chooser");
chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS,intentArray);
startActivityForResult(chooserIntent,INPUT_FILE_REQUEST_CODE);
return true;
} else {
return false;
}
}
private File create_image() throws IOException {
@SuppressLint("SimpleDateFormat")
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
String imageFileName = "img_" + timeStamp + "_";
File storageDir = getApplicationContext().getExternalFilesDir(Environment.DIRECTORY_PICTURES); //getCacheDir();
return File.createTempFile(imageFileName,".jpg",storageDir);
}
回电
/*******Camera Request Callback******/
@Override
protected void onActivityResult(int requestCode,int resultCode,Intent intent) {
super.onActivityResult(requestCode,resultCode,intent);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
if (requestCode != INPUT_FILE_REQUEST_CODE || mFilePathCallback == null)
{
super.onActivityResult(requestCode,intent);
return;
}
Uri[] results = null;
if (resultCode == Activity.RESULT_OK) {
if (intent == null) {
if (mCameraPhotoPath != null) {
results = new Uri[]{Uri.parse(mCameraPhotoPath)};
}
} else {
String dataString = intent.getDataString();
if (dataString != null)
{
results = new Uri[]{Uri.parse(dataString)};
}
}
}
mFilePathCallback.onReceiveValue(results);
mFilePathCallback = null;
} else if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.Q) {
Uri[] results = null;
if (resultCode == Activity.RESULT_CANCELED) {
if (requestCode == file_req_code) {
file_path.onReceiveValue(null);
return;
}
}
if (resultCode == Activity.RESULT_OK) {
if (requestCode == file_req_code) {
if (null == file_path) {
return;
}
ClipData clipData;
String stringData;
try {
clipData = intent.getClipData();
stringData = intent.getDataString();
} catch (Exception e) {
clipData = null;
stringData = null;
}
if (clipData == null && stringData == null && cam_file_data != null) {
results = new Uri[]{
Uri.parse(cam_file_data)
};
} else {
if (clipData != null) {
final int numSelectedFiles = clipData.getItemCount();
results = new Uri[numSelectedFiles];
for (int i = 0; i < clipData.getItemCount(); i++) {
results[i] = clipData.getItemAt(i).getUri();
}
} else {
results = new Uri[]{
Uri.parse(stringData)
};
}
}
}
}
file_path.onReceiveValue(results);
file_path = null;
} else {
if (requestCode == file_req_code) {
if (null == file_data)
return;
Uri result = intent == null || resultCode != Activity.RESULT_OK ? null : intent.getData();
file_data.onReceiveValue(result);
file_data = null;
}
}
}
Android 清单文件：
<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.CAMERA2" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission
android:name="android.permission.WRITE_EXTERNAL_STORAGE" android:maxsdkVersion="29"
/>
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