android/barcodesample/MainActivity.java

package dk.thoerup.android.barcodesample;

import android.content.Intent;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

import com.google.zxing.integration.android.IntentIntegrator;
import com.google.zxing.integration.android.IntentResult;

/*
  http://blog.dihaw.com/integrating-zxing-in-your-android-app-as-standalone-scanner/

  http://code.tutsplus.com/tutorials/android-sdk-create-a-barcode-reader--mobile-17162


  http://stackoverflow.com/questions/27851512/how-to-integrate-zxing-library-to-android-studio-for-barcode-scanning

 */

public class MainActivity extends ActionBarActivity {

    private Button scanBtn;
    private TextView formatTxt, contentTxt;

    //ved rotate bliver activity'en genstartet - så enten skal variablerne gøres static/gemmes på anden vis eller også skal man låse for rotation
    static String scanContent = "";
    static String scanFormat = "";


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        scanBtn = (Button) findViewById(R.id.button);
        formatTxt = (TextView)findViewById(R.id.scan_format);
        contentTxt = (TextView)findViewById(R.id.scan_content);


        scanBtn.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                /*Intent intent = new Intent("com.google.zxing.client.android.SCAN");
                intent.putExtra("com.google.zxing.client.android.SCAN.SCAN_MODE", "QR_CODE_MODE");
                startActivityForResult(intent, 0);*/

                IntentIntegrator scanIntegrator = new IntentIntegrator(MainActivity.this);
                scanIntegrator.initiateScan();
            }
        });

    }

    @Override
    protected void onStart() {
        super.onStart();
        updateLabels();
    }

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent intent) {
        IntentResult scanningResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, intent);

        if (scanningResult != null) {
            scanContent = scanningResult.getContents();
            scanFormat = scanningResult.getFormatName();

            updateLabels();
        }
        else{
            Toast toast = Toast.makeText(getApplicationContext(), "No scan data received!", Toast.LENGTH_SHORT);
            toast.show();
        }
    }

    private void updateLabels() {
        formatTxt.setText("FORMAT: " + scanFormat);
        contentTxt.setText("CONTENT: " + scanContent);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_settings) {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}
1	package dk.thoerup.android.barcodesample;
2
3	import android.content.Intent;
4	import android.support.v7.app.ActionBarActivity;
5	import android.os.Bundle;
6	import android.view.Menu;
7	import android.view.MenuItem;
8	import android.view.View;
9	import android.widget.Button;
10	import android.widget.TextView;
11	import android.widget.Toast;
12
13	import com.google.zxing.integration.android.IntentIntegrator;
14	import com.google.zxing.integration.android.IntentResult;
15
16	/*
17	http://blog.dihaw.com/integrating-zxing-in-your-android-app-as-standalone-scanner/
18
19	http://code.tutsplus.com/tutorials/android-sdk-create-a-barcode-reader--mobile-17162
20
21
22	http://stackoverflow.com/questions/27851512/how-to-integrate-zxing-library-to-android-studio-for-barcode-scanning
23
24	*/
25
26	public class MainActivity extends ActionBarActivity {
27
28	private Button scanBtn;
29	private TextView formatTxt, contentTxt;
30
31	//ved rotate bliver activity'en genstartet - så enten skal variablerne gøres static/gemmes på anden vis eller også skal man låse for rotation
32	static String scanContent = "";
33	static String scanFormat = "";
34
35
36
37	@Override
38	protected void onCreate(Bundle savedInstanceState) {
39	super.onCreate(savedInstanceState);
40	setContentView(R.layout.activity_main);
41
42	scanBtn = (Button) findViewById(R.id.button);
43	formatTxt = (TextView)findViewById(R.id.scan_format);
44	contentTxt = (TextView)findViewById(R.id.scan_content);
45
46
47
48
49	scanBtn.setOnClickListener(new View.OnClickListener() {
50
51	@Override
52	public void onClick(View v) {
53	/*Intent intent = new Intent("com.google.zxing.client.android.SCAN");
54	intent.putExtra("com.google.zxing.client.android.SCAN.SCAN_MODE", "QR_CODE_MODE");
55	startActivityForResult(intent, 0);*/
56
57	IntentIntegrator scanIntegrator = new IntentIntegrator(MainActivity.this);
58	scanIntegrator.initiateScan();
59	}
60	});
61
62	}
63
64	@Override
65	protected void onStart() {
66	super.onStart();
67	updateLabels();
68	}
69
70	@Override
71	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
72	IntentResult scanningResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, intent);
73
74	if (scanningResult != null) {
75	scanContent = scanningResult.getContents();
76	scanFormat = scanningResult.getFormatName();
77
78	updateLabels();
79	}
80	else{
81	Toast toast = Toast.makeText(getApplicationContext(), "No scan data received!", Toast.LENGTH_SHORT);
82	toast.show();
83	}
84	}
85
86	private void updateLabels() {
87	formatTxt.setText("FORMAT: " + scanFormat);
88	contentTxt.setText("CONTENT: " + scanContent);
89	}
90
91	@Override
92	public boolean onCreateOptionsMenu(Menu menu) {
93	// Inflate the menu; this adds items to the action bar if it is present.
94	getMenuInflater().inflate(R.menu.menu_main, menu);
95	return true;
96	}
97
98	@Override
99	public boolean onOptionsItemSelected(MenuItem item) {
100	// Handle action bar item clicks here. The action bar will
101	// automatically handle clicks on the Home/Up button, so long
102	// as you specify a parent activity in AndroidManifest.xml.
103	int id = item.getItemId();
104
105	//noinspection SimplifiableIfStatement
106	if (id == R.id.action_settings) {
107	return true;
108	}
109
110	return super.onOptionsItemSelected(item);
111	}
112	}