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- package ordo.azurewebsites.net.ordo;
- import android.Manifest;
- import android.content.Intent;
- import android.content.pm.PackageManager;
- import android.os.Bundle;
- import android.support.v4.app.ActivityCompat;
- import android.support.v4.content.ContextCompat;
- import android.support.v7.app.AppCompatActivity;
- import android.support.v7.widget.Toolbar;
- import android.view.View;
- import android.widget.Toast;
- public class ScanMainActivity extends AppCompatActivity {
- private static final int ZXING_CAMERA_PERMISSION = 1;
- private Class<?> mClss;
- @Override
- public void onCreate(Bundle state) {
- super.onCreate(state);
- setContentView(R.layout.activity_main2);
- setupToolbar();
- }
- public void setupToolbar() {
- Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
- setSupportActionBar(toolbar);
- }
- public void launchSimpleActivity(View v) {
- launchActivity(SimpleScannerActivity.class);
- }
- public void launchActivity(Class<?> clss) {
- if (ContextCompat.checkSelfPermission(this, android.Manifest.permission.CAMERA)
- != PackageManager.PERMISSION_GRANTED) {
- mClss = clss;
- ActivityCompat.requestPermissions(this,
- new String[]{Manifest.permission.CAMERA}, ZXING_CAMERA_PERMISSION);
- } else {
- Intent intent = new Intent(this, clss);
- startActivity(intent);
- }
- }
- @Override
- public void onRequestPermissionsResult(int requestCode, String permissions[], int[] grantResults) {
- switch (requestCode) {
- case ZXING_CAMERA_PERMISSION:
- if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
- if(mClss != null) {
- Intent intent = new Intent(this, mClss);
- startActivity(intent);
- }
- } else {
- Toast.makeText(this, "Please grant camera permission to use the QR Scanner", Toast.LENGTH_SHORT).show();
- }
- return;
- }
- }
- }
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