实例介绍
【实例简介】
【实例截图】
【实例截图】
【核心代码】
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
}
}
标签： 拍照代码
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