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Initial implementation of OpenDocumentGuide.

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This commit is contained in:
Filip Strajnar 2024-10-23 22:26:36 +02:00
parent 787f843981
commit a2b7671677
2 changed files with 64 additions and 0 deletions
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7
common/src/main/java/com/proculite/androidagain/common/storageaccess/InputStreamHandler.java Normal file
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package com.proculite.androidagain.common.storageaccess;
import java.io.InputStream;
public interface InputStreamHandler {
void handleInputStream(InputStream inputStream);
}

57
common/src/main/java/com/proculite/androidagain/common/storageaccess/OpenDocumentGuide.java Normal file
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package com.proculite.androidagain.common.storageaccess;
import android.content.Context;
import android.net.Uri;
import android.util.Log;
import androidx.activity.result.ActivityResultCallback;
import androidx.activity.result.ActivityResultCaller;
import androidx.activity.result.ActivityResultLauncher;
import androidx.activity.result.contract.ActivityResultContracts;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
public class OpenDocumentGuide implements ActivityResultCallback<Uri> {
private final String TAG = ActivityResultContracts.OpenDocument.class.getName();
private final ActivityResultLauncher<String[]> openDocumentLauncher;
private final Context context;
private UriHandler uriHandler;
public OpenDocumentGuide(
Context context,
ActivityResultCaller activityResultCaller
) {
this.context = context;
ActivityResultContracts.OpenDocument openDocumentContract =
new ActivityResultContracts.OpenDocument();
openDocumentLauncher = activityResultCaller.registerForActivityResult(openDocumentContract, this);
}
@Override
public void onActivityResult(Uri o) {
uriHandler.handleUri(o);
}
public void readFromInputStream(String[] suggestedMimeTypes, InputStreamHandler inputStreamHandler){
uriHandler = uri -> {
try {
InputStream inputStream = context.getContentResolver().openInputStream(uri);
if(inputStream == null)
{
Log.e(TAG, "Obtained input stream is null.");
return;
}
inputStreamHandler.handleInputStream(inputStream);
inputStream.close();
}catch (FileNotFoundException e){
Log.e(TAG, "FileNotFoundException occurred on read from InputStream.");
} catch (IOException e) {
Log.e(TAG, "IOException occurred on read from InputStream.");
}
};
openDocumentLauncher.launch(suggestedMimeTypes);
}
}