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package moe.yuuta.ohmysafdemo;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.os.ParcelFileDescriptor;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.ImageView;
import android.widget.Toast;
import java.io.File;
import java.io.FileDescriptor;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Arrays;
import moe.yuuta.ohmysaf.OhMySAF;
import moe.yuuta.ohmysaf.SafFile;
public class MainActivity extends Activity implements View.OnClickListener {
private static final int RC_OPEN_DOC = 1;
private static final int RC_CREATE_DOC = 2;
private static final int RC_OPEN_TREE = 3;
private ImageView mImage;
private volatile Bitmap mBitmap;
private File mFile;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
findViewById(android.R.id.button1).setOnClickListener(this);
findViewById(android.R.id.button2).setOnClickListener(this);
mImage = findViewById(R.id.image);
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case android.R.id.button1:
runOpenDoc();
break;
case android.R.id.button2:
runOpenTree();
break;
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
log("Activity result.....");
if (resultCode != RESULT_OK || data == null) return;
final Uri mUri = data.getData();
log(mUri.toString());
mFile = OhMySAF.ohMyUri(this, mUri);
log("Name: " + mFile.getName() +
", isFile: " + mFile.isFile() +
", length: " + mFile.length() +
", canWrite: " + mFile.canWrite() +
", files: " + (mFile.isDirectory() ? Arrays.toString(mFile.list()) : "?"));
setTitle(mFile.getName());
switch (requestCode) {
case RC_OPEN_DOC:
handleDocSelected();
break;
case RC_CREATE_DOC:
handleDocCreated();
break;
case RC_OPEN_TREE:
mBitmap = null;
mImage.setImageBitmap(null);
break;
}
}
private void handleDocCreated() {
new Thread(new Runnable() {
@Override
public void run() {
try {
OutputStream stream = getContentResolver().openOutputStream(((SafFile) mFile).getAndroidUri(), "w");
mBitmap.compress(Bitmap.CompressFormat.PNG, 100, stream);
stream.flush();
stream.close();
log("Write done");
handleDocSelected();
} catch (IOException e) {
log("Write: " + e.getMessage());
}
}
}).start();
}
private void handleDocSelected() {
new Thread(new Runnable() {
@Override
public void run() {
try {
ParcelFileDescriptor parcelFileDescriptor =
getContentResolver().openFileDescriptor(((SafFile) mFile).getAndroidUri(), "r");
FileDescriptor fileDescriptor = parcelFileDescriptor.getFileDescriptor();
mBitmap = BitmapFactory.decodeFileDescriptor(fileDescriptor);
parcelFileDescriptor.close();
runOnUiThread(new Runnable() {
@Override
public void run() {
mImage.setImageBitmap(mBitmap);
}
});
} catch (final IOException e) {
log(e.getMessage());
}
}
}).start();
}
private void log(@NonNull final String message) {
Log.i("OhMySAF", message);
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(MainActivity.this, message, Toast.LENGTH_SHORT).show();
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
menu.add(0, 0, 0, "Make a copy");
menu.add(0, 1, 0, "Delete (without confirmation!!!)");
menu.add(0, 2, 0, "Take persistable uri permission");
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
if (mBitmap == null) {
log("Select a photo and try again");
return false;
}
switch (item.getItemId()) {
case 0:
runCreateDoc();
return true;
case 1:
runDeleteDoc();
return true;
case 2:
runTakePersistablePermission();
return true;
default:
return false;
}
}
private void runOpenDoc() {
Intent intentOpenDoc = new Intent(Intent.ACTION_OPEN_DOCUMENT);
intentOpenDoc.addCategory(Intent.CATEGORY_OPENABLE);
intentOpenDoc.setType("image/*");
startActivityForResult(intentOpenDoc, RC_OPEN_DOC);
}
private void runCreateDoc() {
Intent intentCreateDoc = new Intent(Intent.ACTION_CREATE_DOCUMENT);
intentCreateDoc.addCategory(Intent.CATEGORY_OPENABLE);
intentCreateDoc.setType("image/*");
intentCreateDoc.putExtra(Intent.EXTRA_TITLE, "Copy_" + mFile.getName());
startActivityForResult(intentCreateDoc, RC_CREATE_DOC);
}
private void runDeleteDoc() {
try {
mFile.delete();
log("Delete done");
mBitmap = null;
mFile = null;
mImage.setImageBitmap(null);
setTitle(R.string.app_name);
} catch (Exception e) {
log("Delete: " + e.getMessage());
}
}
private void runTakePersistablePermission() {
getContentResolver().takePersistableUriPermission(((SafFile) mFile).getAndroidUri(),
Intent.FLAG_GRANT_READ_URI_PERMISSION | Intent.FLAG_GRANT_WRITE_URI_PERMISSION);
log("Done");
}
private void runOpenTree() {
Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT_TREE);
startActivityForResult(intent, RC_OPEN_TREE);
}
}
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