CameraActivity.java :  » App » m-gov » tw » edu » ntu » csie » mgov » photo » Android Open Source

package tw.edu.ntu.csie.mgov.photo;
//package com.example;

import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;

import tw.edu.ntu.csie.mgov.R;
import tw.edu.ntu.csie.mgov.mgov;
import tw.edu.ntu.csie.mgov.R.id;
import tw.edu.ntu.csie.mgov.R.layout;

import android.app.Activity;
import android.content.Intent;
import android.hardware.Camera;
import android.hardware.Camera.PictureCallback;
import android.hardware.Camera.ShutterCallback;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.FrameLayout;

public class CameraActivity extends Activity {
  private static final String TAG = "Camera";
  Camera camera;
  preview preview;
  Button buttonClick;
  double count = 1.0;
  String currentPic = null;
  
  /** Called when the activity is first created. */
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.camera);

    findview();
    setlistener();

  }

  void findview(){
    
    preview = new preview(this);
    ((FrameLayout) findViewById(R.id.preview)).addView(preview);

    buttonClick = (Button) findViewById(R.id.buttonClick);
  }
  
  void setlistener(){
    
    buttonClick.setOnClickListener(new OnClickListener() {
      public void onClick(View v) {
        
        preview.mCamera.takePicture(shutterCallback, rawCallback,
            jpegCallback);
                
      }
    });
  }
  
  ShutterCallback shutterCallback = new ShutterCallback() {
    public void onShutter() {
      Log.d(TAG, "onShutter'd");
    }
  };

  /** Handles data for raw picture */
  PictureCallback rawCallback = new PictureCallback() {
    public void onPictureTaken(byte[] data, Camera camera) {
      Log.d(TAG, "onPictureTaken - raw");
    }
  };

  /** Handles data for jpeg picture */
  PictureCallback jpegCallback = new PictureCallback() {
    public void onPictureTaken(byte[] data, Camera camera) {
      FileOutputStream outStream = null;
      try {
//         outStream = CameraActivity.this.openFileOutput(String.format("%d.jpg",System.currentTimeMillis()), 0);
        currentPic = String.format("/sdcard/%d.jpg", System.currentTimeMillis());
        outStream = new FileOutputStream(currentPic);
        outStream.write(data);
        outStream.close();
        Log.d(TAG, "onPictureTaken - wrote bytes: " + data.length);
        
        Intent intent = new Intent();
        intent.putExtra("tab", 2);
        intent.putExtra("currentPic", currentPic);
        intent.setClass(CameraActivity.this, mgov.class);
        startActivity(intent);
        
      } catch (FileNotFoundException e) {
        e.printStackTrace();
      } catch (IOException e) {
        e.printStackTrace();
      } finally {
      }
      Log.d(TAG, "onPictureTaken - jpeg");
    }
  };
}