android/barcodesample/MainActivity.java

package dk.thoerup.android.barcodesample;

import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
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 startCamBtn;
    private ImageView imageView;


    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);


        startCamBtn = (Button) findViewById(R.id.button_startcam);
        imageView = (ImageView) findViewById(R.id.imageView);


        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();
            }
        });


        startCamBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(MainActivity.this, CamActivity.class);
                startActivityForResult(intent, 1);
            }

        });

    }

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

    @Override
    public void onActivityResult(int requestCode, int resultCode, Intent intent) {
        Log.i("CAM", "requestCode:" + requestCode);

        switch( requestCode) {
            case 49374:
                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();
                }
                break;
            case 1:
                byte data[] = intent.getByteArrayExtra("DATA");

                Bitmap bm = BitmapFactory.decodeByteArray(data, 0, data.length);
                DisplayMetrics dm = new DisplayMetrics();
                getWindowManager().getDefaultDisplay().getMetrics(dm);

                imageView.setMinimumHeight(dm.heightPixels);
                imageView.setMinimumWidth(dm.widthPixels);
                imageView.setImageBitmap(bm);
                break;

        }


    }

    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	torben	2527	package dk.thoerup.android.barcodesample;
2
3			import android.content.Intent;
4	torben	2559	import android.graphics.Bitmap;
5			import android.graphics.BitmapFactory;
6	torben	2527	import android.support.v7.app.ActionBarActivity;
7			import android.os.Bundle;
8	torben	2559	import android.util.DisplayMetrics;
9			import android.util.Log;
10	torben	2527	import android.view.Menu;
11			import android.view.MenuItem;
12			import android.view.View;
13			import android.widget.Button;
14	torben	2559	import android.widget.ImageView;
15	torben	2527	import android.widget.TextView;
16			import android.widget.Toast;
17
18			import com.google.zxing.integration.android.IntentIntegrator;
19			import com.google.zxing.integration.android.IntentResult;
20
21			/*
22			http://blog.dihaw.com/integrating-zxing-in-your-android-app-as-standalone-scanner/
23
24			http://code.tutsplus.com/tutorials/android-sdk-create-a-barcode-reader--mobile-17162
25
26
27			http://stackoverflow.com/questions/27851512/how-to-integrate-zxing-library-to-android-studio-for-barcode-scanning
28
29			*/
30
31			public class MainActivity extends ActionBarActivity {
32
33	torben	2559	private Button startCamBtn;
34			private ImageView imageView;
35
36
37	torben	2527	private Button scanBtn;
38			private TextView formatTxt, contentTxt;
39
40	torben	2529	//ved rotate bliver activity'en genstartet - så enten skal variablerne gøres static/gemmes på anden vis eller også skal man låse for rotation
41			static String scanContent = "";
42			static String scanFormat = "";
43
44
45
46	torben	2527	@Override
47			protected void onCreate(Bundle savedInstanceState) {
48			super.onCreate(savedInstanceState);
49			setContentView(R.layout.activity_main);
50
51			scanBtn = (Button) findViewById(R.id.button);
52			formatTxt = (TextView)findViewById(R.id.scan_format);
53			contentTxt = (TextView)findViewById(R.id.scan_content);
54
55
56	torben	2559	startCamBtn = (Button) findViewById(R.id.button_startcam);
57			imageView = (ImageView) findViewById(R.id.imageView);
58	torben	2527
59
60	torben	2559
61	torben	2527	scanBtn.setOnClickListener(new View.OnClickListener() {
62
63			@Override
64			public void onClick(View v) {
65			/*Intent intent = new Intent("com.google.zxing.client.android.SCAN");
66			intent.putExtra("com.google.zxing.client.android.SCAN.SCAN_MODE", "QR_CODE_MODE");
67			startActivityForResult(intent, 0);*/
68
69			IntentIntegrator scanIntegrator = new IntentIntegrator(MainActivity.this);
70			scanIntegrator.initiateScan();
71			}
72			});
73
74	torben	2559
75			startCamBtn.setOnClickListener(new View.OnClickListener() {
76			@Override
77			public void onClick(View v) {
78			Intent intent = new Intent(MainActivity.this, CamActivity.class);
79			startActivityForResult(intent, 1);
80			}
81
82			});
83
84	torben	2527	}
85
86	torben	2529	@Override
87			protected void onStart() {
88			super.onStart();
89			updateLabels();
90			}
91
92	torben	2530	@Override
93	torben	2527	public void onActivityResult(int requestCode, int resultCode, Intent intent) {
94	torben	2559	Log.i("CAM", "requestCode:" + requestCode);
95	torben	2527
96	torben	2559	switch( requestCode) {
97			case 49374:
98			IntentResult scanningResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, intent);
99	torben	2527
100	torben	2559	if (scanningResult != null) {
101			scanContent = scanningResult.getContents();
102			scanFormat = scanningResult.getFormatName();
103
104			updateLabels();
105			}
106			else{
107			Toast toast = Toast.makeText(getApplicationContext(), "No scan data received!", Toast.LENGTH_SHORT);
108			toast.show();
109			}
110			break;
111			case 1:
112			byte data[] = intent.getByteArrayExtra("DATA");
113
114			Bitmap bm = BitmapFactory.decodeByteArray(data, 0, data.length);
115			DisplayMetrics dm = new DisplayMetrics();
116			getWindowManager().getDefaultDisplay().getMetrics(dm);
117
118			imageView.setMinimumHeight(dm.heightPixels);
119			imageView.setMinimumWidth(dm.widthPixels);
120			imageView.setImageBitmap(bm);
121			break;
122
123	torben	2527	}
124	torben	2559
125
126	torben	2527	}
127
128	torben	2529	private void updateLabels() {
129			formatTxt.setText("FORMAT: " + scanFormat);
130			contentTxt.setText("CONTENT: " + scanContent);
131			}
132
133	torben	2527	@Override
134			public boolean onCreateOptionsMenu(Menu menu) {
135			// Inflate the menu; this adds items to the action bar if it is present.
136			getMenuInflater().inflate(R.menu.menu_main, menu);
137			return true;
138			}
139
140			@Override
141			public boolean onOptionsItemSelected(MenuItem item) {
142			// Handle action bar item clicks here. The action bar will
143			// automatically handle clicks on the Home/Up button, so long
144			// as you specify a parent activity in AndroidManifest.xml.
145			int id = item.getItemId();
146
147			//noinspection SimplifiableIfStatement
148			if (id == R.id.action_settings) {
149			return true;
150			}
151
152			return super.onOptionsItemSelected(item);
153			}
154			}