Capture Image and display : Image « 2D Graphics « Android

1. Android
2. 2D Graphics
3. Image

Capture Image and display

   

package app.test;

import java.io.File;
import java.util.TimeZone;

import android.app.Activity;
import android.content.ContentValues;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.media.MediaScannerConnection;
import android.media.MediaScannerConnection.MediaScannerConnectionClient;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.provider.MediaStore.Images.Media;
import android.text.format.Time;
import android.util.Log;
import android.view.View;
import android.widget.Toast;

public class Test extends Activity implements MediaScannerConnectionClient {
  private File myImageFile = null;
  private Uri myPicture = null;
  private MediaScannerConnection conn = null;
  
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
    }

    public void captureImage(View view)
    {
      ContentValues values = new ContentValues();
        values.put(Media.TITLE, "My demo image");
        values.put(Media.DESCRIPTION, "Image Captured by Camera via an Intent");
        TimeZone myTZ = TimeZone.getDefault();
        Time now = new Time();
        values.put(Media.DATE_TAKEN, now.toMillis(false) - myTZ.getRawOffset());

        myPicture = getContentResolver().insert(Media.EXTERNAL_CONTENT_URI, values);
        myImageFile.delete();
        myPicture = Uri.fromFile(myImageFile);
        Intent i = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        i.putExtra(MediaStore.EXTRA_OUTPUT, myPicture);

        startActivityForResult(i, 0);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if(requestCode==0 && resultCode==Activity.RESULT_OK)
        {
          startScan();
        }
    }
    
    private void startScan()
    {
        if(conn !=null)
        {
            conn.disconnect();
        }
        if(myImageFile.isFile()) {
            conn = new MediaScannerConnection(this, this);
            conn.connect();
        }
        else {
            Toast.makeText(this,
                "Image file does not exist?!?!",
                Toast.LENGTH_SHORT).show();
        }
    }
    @Override
    public void onMediaScannerConnected() {
        conn.scanFile(myImageFile.getPath(), null);
    }
    @Override
    public void onScanCompleted(String path, Uri uri) {
        try {
            if (uri != null) {
                Intent intent = new Intent(Intent.ACTION_VIEW);
                intent.setData(uri);
                startActivity(intent);
            }
        } finally {
            conn.disconnect();
            conn = null;
        } 
    }
}

   
    
    
  

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