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/*
* Copyright (C) 2015 Dominik Schürmann <dominik@dominikschuermann.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.ui;
import android.Manifest;
import android.app.Activity;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.FragmentActivity;
import android.support.v4.content.ContextCompat;
import android.view.KeyEvent;
import com.journeyapps.barcodescanner.CaptureManager;
import com.journeyapps.barcodescanner.CompoundBarcodeView;
import org.sufficientlysecure.keychain.R;
public class QrCodeCaptureActivity extends FragmentActivity {
private CaptureManager capture;
private CompoundBarcodeView barcodeScannerView;
public static final int MY_PERMISSIONS_REQUEST_CAMERA = 42;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.qr_code_capture_activity);
barcodeScannerView = (CompoundBarcodeView) findViewById(R.id.zxing_barcode_scanner);
barcodeScannerView.setStatusText(getString(R.string.import_qr_code_text));
if (savedInstanceState != null) {
init(barcodeScannerView, getIntent(), savedInstanceState);
}
// check Android 6 permission
if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA)
== PackageManager.PERMISSION_GRANTED) {
init(barcodeScannerView, getIntent(), null);
} else {
ActivityCompat.requestPermissions(this,
new String[]{Manifest.permission.CAMERA},
MY_PERMISSIONS_REQUEST_CAMERA);
}
}
private void init(CompoundBarcodeView barcodeScannerView, Intent intent, Bundle savedInstanceState) {
capture = new CaptureManager(this, barcodeScannerView);
capture.initializeFromIntent(intent, savedInstanceState);
capture.decode();
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String permissions[],
@NonNull int[] grantResults) {
switch (requestCode) {
case MY_PERMISSIONS_REQUEST_CAMERA: {
if (grantResults.length > 0
&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {
// permission was granted
init(barcodeScannerView, getIntent(), null);
} else {
setResult(Activity.RESULT_CANCELED);
finish();
}
}
}
}
@Override
protected void onResume() {
super.onResume();
if (capture != null) {
capture.onResume();
}
}
@Override
protected void onPause() {
super.onPause();
if (capture != null) {
capture.onPause();
}
}
@Override
protected void onDestroy() {
super.onDestroy();
if (capture != null) {
capture.onDestroy();
}
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
if (capture != null) {
capture.onSaveInstanceState(outState);
}
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
return barcodeScannerView.onKeyDown(keyCode, event) || super.onKeyDown(keyCode, event);
}
}
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