1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
package example.zxing;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.hardware.Camera;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v7.app.ActionBarActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.Toast;
import com.google.zxing.integration.android.IntentIntegrator;
import com.google.zxing.integration.android.IntentResult;
public class MainActivity extends ActionBarActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
public void scanBarcode(View view) {
new IntentIntegrator(this).initiateScan();
}
public void scanBarcodeCustomLayout(View view) {
IntentIntegrator integrator = new IntentIntegrator(this);
integrator.setCaptureLayout(R.layout.custom_capture_layout);
integrator.setLegacyCaptureLayout(R.layout.custom_legacy_capture_layout);
integrator.setDesiredBarcodeFormats(IntentIntegrator.ONE_D_CODE_TYPES);
integrator.autoWide();
integrator.setOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR);
integrator.initiateScan();
}
public void scanBarcodeFrontCamera(View view) {
IntentIntegrator integrator = new IntentIntegrator(this);
integrator.setCameraId(Camera.CameraInfo.CAMERA_FACING_FRONT);
integrator.initiateScan();
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
IntentResult result = IntentIntegrator.parseActivityResult(requestCode, resultCode, data);
if(result != null) {
if(result.getContents() == null) {
Toast.makeText(this, "Cancelled", Toast.LENGTH_LONG).show();
} else {
Toast.makeText(this, "Scanned: " + result.getContents(), Toast.LENGTH_LONG).show();
}
} else {
// This is important, otherwise the result will not be passed to the fragment
super.onActivityResult(requestCode, resultCode, data);
}
}
/**
* Sample of scanning from a Fragment
*/
public static class ScanFragment extends Fragment {
private String toast;
public ScanFragment() {
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
displayToast();
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_scan, container, false);
Button scan = (Button) view.findViewById(R.id.scan_from_fragment);
scan.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
scanFromFragment();
}
});
return view;
}
public void scanFromFragment() {
IntentIntegrator.forSupportFragment(this).initiateScan();
}
private void displayToast() {
if(getActivity() != null && toast != null) {
Toast.makeText(getActivity(), toast, Toast.LENGTH_LONG).show();
toast = null;
}
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
IntentResult result = IntentIntegrator.parseActivityResult(requestCode, resultCode, data);
if(result != null) {
if(result.getContents() == null) {
toast = "Cancelled from fragment";
} else {
toast = "Scanned from fragment: " + result.getContents();
}
// At this point we may or may not have a reference to the activity
displayToast();
}
}
}
}
|
