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   源码介绍

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package example.test1;

import android.os.Bundle;
import android.app.Activity;
import android.view.Menu;

import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.text.SimpleDateFormat;
import java.util.Date;

import android.content.ContentResolver;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.hardware.Camera;
import android.hardware.Camera.PictureCallback;
import android.hardware.Camera.ShutterCallback;
import android.os.Environment;
import android.provider.MediaStore;
import android.util.Log;
import android.view.Display;
import android.view.Surface;
import android.view.SurfaceHolder;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.WindowManager;
/*
public class CBCamera {
	static CBCamera m_instance;
	static final String TAG = "CameraDemo";
	
	Camera m_camera;
	WindowManager m_windowManager;
	ContentResolver m_contentResolver;
	
	public static CBCamera instance()
	{
		if(m_instance == null)
		{
			m_instance = new CBCamera();
		}
		return m_instance;
	}

	private CBCamera()
	{
		open();
	}
	
	public void setWindowManager(WindowManager windowManager)
	{
		m_windowManager = windowManager;
	}
	
	public void setContentResolver(ContentResolver contentResolver)
	{
		m_contentResolver = contentResolver;
	}
	
	public void initialPreview(SurfaceHolder holder)
	{
		try
		{
			if(m_camera != null)
			{
				m_camera.setPreviewDisplay(holder);
			}
		}
		catch(Exception ex)
		{
			ex.printStackTrace();
		}
	}
	
	public void startPreview(int width, int height)
	{
		if(m_camera != null)
		{
			Camera.Parameters parameters = m_camera.getParameters();
			Display display = m_windowManager.getDefaultDisplay();

	        if(display.getRotation() == Surface.ROTATION_0)
	        {
	            parameters.setPreviewSize(height, width);                           
	            m_camera.setDisplayOrientation(90);
	        }

	        if(display.getRotation() == Surface.ROTATION_90)
	        {
	            parameters.setPreviewSize(width, height);                           
	        }

	        if(display.getRotation() == Surface.ROTATION_180)
	        {
	            parameters.setPreviewSize(height, width);               
	        }

	        if(display.getRotation() == Surface.ROTATION_270)
	        {
	            parameters.setPreviewSize(width, height);
	            m_camera.setDisplayOrientation(180);
	        }

        	//parameters.setPreviewSize(width, height);
        	m_camera.setParameters(parameters);
        	m_camera.startPreview();
		}
	}
	
	public void stopPreview()
	{
		if(m_camera != null)
		{
			m_camera.stopPreview();
		}
	}
	
	public void takePicture()
	{
		if(m_camera != null)
			m_camera.takePicture(shutterCallback, rawCallback, jpegCallback);
	}
	
	public void open()
	{
		if(m_camera == null)
			m_camera = Camera.open();
	}
	
	public void release()
	{
		if(m_camera != null)
		{
			m_camera.release();
			m_camera = null;
		}
	}
	
	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) {
			try
			{
				Bitmap bitmapPicture = BitmapFactory.decodeByteArray(data, 0, data.length);
				String path = Environment.getExternalStorageDirectory().toString();
				String filename;
                Date date = new Date(0);
                SimpleDateFormat sdf = new SimpleDateFormat ("yyyyMMddHHmmss");
                filename =  sdf.format(date);
				OutputStream fOut = null;
                //File file = new File(path, "/DCIM/" filename ".jpg");
				File file = new File(path, "/" filename ".jpg");
                fOut = new FileOutputStream(file);
				//FileOutputStream out = new FileOutputStream(String.format("/sdcard/DCIM/Signatures/%d.jpg", System.currentTimeMillis()));
				bitmapPicture.compress(Bitmap.CompressFormat.JPEG, 0, fOut);
				fOut.flush();
				fOut.close();

				MediaStore.Images.Media.insertImage(m_contentResolver,file.getAbsolutePath(),file.getName(),file.getName());
			}
			catch(Exception ex)
			{
				ex.printStackTrace();
			}
			finally
			{
				camera.startPreview();
			}
			Log.d(TAG, "onPictureTaken - jpeg");
		}
	};
}
*/
import java.io.File;
import java.text.SimpleDateFormat;
import java.util.*;
import android.app.*;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.view.*;
import android.widget.*;

public class MainActivity extends Activity implements OnClickListener {

        private static final int RESULT_CAPTURE_IMAGE = 1;// 照相的requestCode
        private static final int REQUEST_CODE_TAKE_VIDEO = 2;// 摄像的照相的requestCode
        private static final int RESULT_CAPTURE_RECORDER_SOUND = 3;// 录音的requestCode
       
        private String strImgPath = "";// 照片文件绝对路径
        private String strVideoPath = "";// 视频文件的绝对路径
        private String strRecorderPath = "";// 录音文件的绝对路径

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

        @Override
        protected void onActivityResult(int requestCode, int resultCode, Intent data) {
                super.onActivityResult(requestCode, resultCode, data);
                switch (requestCode) {
                case RESULT_CAPTURE_IMAGE://拍照
                        if (resultCode == RESULT_OK) {
                                Toast.makeText(this, strImgPath, Toast.LENGTH_SHORT).show();
                        }
                        break;
                case REQUEST_CODE_TAKE_VIDEO://拍摄视频
                        if (resultCode == RESULT_OK) {
                                Uri uriVideo = data.getData();
                                Cursor cursor=this.getContentResolver().query(uriVideo, null, null, null, null);
                                if (cursor.moveToNext()) {
                                        /** _data：文件的绝对路径 ，_display_name：文件名 */
                                        strVideoPath = cursor.getString(cursor.getColumnIndex("_data"));
                                        Toast.makeText(this, strVideoPath, Toast.LENGTH_SHORT).show();
                                }
                        }
                        break;
                case RESULT_CAPTURE_RECORDER_SOUND://录音
                        if (resultCode == RESULT_OK) {
                                Uri uriRecorder = data.getData();
                                Cursor cursor=this.getContentResolver().query(uriRecorder, null, null, null, null);
                                if (cursor.moveToNext()) {
                                        /** _data：文件的绝对路径 ，_display_name：文件名 */
                                        strRecorderPath = cursor.getString(cursor.getColumnIndex("_data"));
                                        Toast.makeText(this, strRecorderPath, Toast.LENGTH_SHORT).show();
                                }
                        } 
                        break;
                }
        }
       
       

        /**
         * 照相功能
         */
        private void cameraMethod() {
                Intent imageCaptureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
                strImgPath = Environment.getExternalStorageDirectory().toString()   "/CONSDCGMPIC/";//存放照片的文件夹
                String fileName = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date())   ".jpg";//照片命名
                File out = new File(strImgPath);
                if (!out.exists()) {
                        out.mkdirs();
                }
                out = new File(strImgPath, fileName);
                strImgPath = strImgPath   fileName;//该照片的绝对路径
                Uri uri = Uri.fromFile(out);
                imageCaptureIntent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
                imageCaptureIntent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 1);
                startActivityForResult(imageCaptureIntent, RESULT_CAPTURE_IMAGE);

        }

        /**
         * 拍摄视频
         */
        private void videoMethod() {
                Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
                intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 0);
                startActivityForResult(intent, REQUEST_CODE_TAKE_VIDEO);
        }

        /**
         * 录音功能
         */
        private void soundRecorderMethod() {
                Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
                intent.setType("audio/amr");
                startActivityForResult(intent, RESULT_CAPTURE_RECORDER_SOUND);
        }

        /**
         * 提示信息
         * @param text
         * @param duration
         */
        private void showToast(String text, int duration) {
               // Toast.makeText(ProblemReport.this, text, duration).show();
        }

		@Override
		public void onClick(View arg0) {
			// TODO Auto-generated method stub
			
		}
}