Android拍照功能

package com.jovian.android.ui;import java.io.BufferedOutputStream;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.util.List;import android.app.Dialog;import android.content.Context;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.graphics.PixelFormat;import android.hardware.Camera;import android.hardware.Camera.AutoFocusCallback;import android.hardware.Camera.Parameters;import android.hardware.Camera.PictureCallback;import android.hardware.Camera.ShutterCallback;import android.util.Log;import android.view.SurfaceHolder;import android.view.SurfaceView;import android.view.View;import android.widget.Button;import android.widget.TextView;import android.widget.Toast;import com.jovian.android.pqgl.R;public class ShowCameraDialog extends Dialog implements SurfaceHolder.Callback {private TextView textView01;private SurfaceView surfaceView;private SurfaceHolder surfaceHolder;private Button PhotoingBtn, backBtn;private boolean bIfPreview = false;private Camera camera = null;private String TAG = "CAMERA";private String strCaptureFilePath = "/sdcard/camera_snap.jpg";Context context;private String shequ;// 用来刷新EditSgyhDialogEditSgyhDialog dialog;public EditSgyhDialog getDialog() {return dialog;}public void setDialog(EditSgyhDialog dialog) {this.dialog = dialog;}public ShowCameraDialog(Context context, String shequ) {super(context, R.style.dialog_fullscreen);this.context = context;this.setContentView(R.layout.show_camera);// 判断是否安装存储卡setupview();this.shequ = shequ;}public ShowCameraDialog(Context context) {super(context, R.style.dialog_fullscreen);this.context = context;this.setContentView(R.layout.show_camera);// 判断是否安装存储卡setupview();}private void setupview() {if (!checkSDCard()) {mMakeTextToast("未安装sd卡", true);}textView01 = (TextView) findViewById(R.id.myTextView01);// 以surfaceView作为相机Preview之用surfaceView = (SurfaceView) findViewById(R.id.surface_camera);// 绑定surfaceView,取得surfaceHoldersurfaceHolder = surfaceView.getHolder();// Activity必须实现surfaceHolder.callbacksurfaceHolder.addCallback(ShowCameraDialog.this);surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);PhotoingBtn = (Button) findViewById(R.id.btnTake);backBtn = (Button) findViewById(R.id.btnCancel);PhotoingBtn.setOnClickListener(new Button.OnClickListener() {@Overridepublic void onClick(View v) {try {// 当有存储卡时，才允许拍照if (checkSDCard()) {if (camera != null) {camera.autoFocus(new AutoFocusCallback() {@Overridepublic void onAutoFocus(boolean focused,Camera camera) {if (focused)camera.takePicture(shutterCallback,rawCallback, jpegCallback);}});}} else {textView01.setText("未安装SD卡");}} catch (Exception ex) {Log.e(TAG, ex.getMessage());}}});backBtn.setOnClickListener(new Button.OnClickListener() {@Overridepublic void onClick(View v) {if (null != dialog) {dialog.dealPhoto();}ShowCameraDialog.this.cancel();}});}/** * 初始化打开相机 */private void initCamera() {if (camera != null) {try {Camera.Parameters parameters = camera.getParameters();parameters.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO);//parameters.setFlashMode(Parameters.FLASH_MODE_AUTO);//parameters.setWhiteBalance(Parameters.WHITE_BALANCE_AUTO);//parameters.setSceneMode(Parameters.SCENE_MODE_AUTO);//parameters.setPreviewSize(1024, 768);/* * 设定相片大小为1024*768， 格式为JPG */// parameters.setPreviewFormat(PixelFormat.JPEG);parameters.setPictureFormat(PixelFormat.JPEG);parameters.setPictureSize(1024, 768);camera.setParameters(parameters);/* 打开预览画面 */camera.startPreview();} catch (Exception e) {e.printStackTrace();}}}/** * 检查SDCard是否存在 *  * @return */private boolean checkSDCard() {if (android.os.Environment.getExternalStorageState().equals(android.os.Environment.MEDIA_MOUNTED)) {return true;}return false;}/** * 提示信息 *  * @param str * @param isLong */private void mMakeTextToast(String str, boolean isLong) {if (isLong) {Toast.makeText(context, str, Toast.LENGTH_LONG).show();} else {Toast.makeText(context, str, Toast.LENGTH_SHORT).show();}}/** * 删除文件 *  * @param strFileName */private void delFile(String strFileName) {try {File myFile = new File(strFileName);if (myFile.exists()) {myFile.delete();}} catch (Exception ex) {Log.e(TAG, ex.getMessage());}}/* 停止相机的method */private void stopCamera() {if (camera != null) {try {/* 停止预览 */camera.stopPreview();} catch (Exception e) {e.printStackTrace();}}}private ShutterCallback shutterCallback = new ShutterCallback() {@Overridepublic void onShutter() {}};private PictureCallback rawCallback = new PictureCallback() {@Overridepublic void onPictureTaken(byte[] data, Camera camera) {}};private PictureCallback jpegCallback = new PictureCallback() {@Overridepublic void onPictureTaken(byte[] data, Camera camera) {if (null == dialog) {Bitmap bm = BitmapFactory.decodeByteArray(data, 0, data.length);File sdcard_file = android.os.Environment.getExternalStorageDirectory();String file_name = sdcard_file.getAbsolutePath() + "/hy_ht_new";String fileName = shequ;File myCaptureFile = new File(file_name);try {if (myCaptureFile.exists() && myCaptureFile.canWrite()) {File uadDir = new File(myCaptureFile.getAbsolutePath()+ "/unlocking_android");uadDir.mkdir();if (uadDir.exists() && uadDir.canWrite()) {File obj_file = new File(myCaptureFile + "/"+ fileName + ".jpg");obj_file.createNewFile();BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(obj_file));// 采用压缩文件的方法bm.compress(Bitmap.CompressFormat.JPEG, 80, bos);// 更新BufferedStreambos.flush();// 结束OutputStreambos.close();Log.e(TAG, "success take picture");// 跳转页面stopCamera();camera.release();camera = null;ShowCameraDialog.this.cancel();String photoPath = obj_file.getAbsolutePath();ShowPhotoUploadDialog upload = new ShowPhotoUploadDialog(context, photoPath);upload.show();}} else {Log.e(TAG, "no purview");}} catch (Exception ex) {Log.e(TAG, ex.getMessage());}} else {// 传入的第一个参数即为相片的byteBitmap bm = BitmapFactory.decodeByteArray(data, 0, data.length);dialog.getBitmaps().add(bm);File sdcard_file = android.os.Environment.getExternalStorageDirectory();String file_name = sdcard_file.getAbsolutePath() + "";String fileName = "" + System.currentTimeMillis();// 创建新文件File myCaptureFile = new File(file_name);Log.e(TAG, file_name);try {if (myCaptureFile.exists() && myCaptureFile.canWrite()) {File uadDir = new File(myCaptureFile.getAbsolutePath()+ "/unlocking_android");uadDir.mkdir();if (uadDir.exists() && uadDir.canWrite()) {File obj_file = new File(myCaptureFile + "/"+ fileName + ".jpg");obj_file.createNewFile();BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(obj_file));// 采用压缩文件的方法bm.compress(Bitmap.CompressFormat.JPEG, 80, bos);// 更新BufferedStreambos.flush();// 结束OutputStreambos.close();Log.e(TAG, "success take picture");// 跳转页面stopCamera();camera.release();camera = null;String photoPath = obj_file.getAbsolutePath();ShowCameraDialog.this.cancel();ShowPhotoUploadDialog upload = new ShowPhotoUploadDialog(context, photoPath);upload.setmEditSgyhDialog(dialog);upload.show();}} else {Log.e(TAG, "no purview");}} catch (Exception ex) {Log.e(TAG, ex.getMessage());}}}};@Overridepublic void surfaceChanged(SurfaceHolder holder, int format, int width,int height) {/* 相机初始化 */initCamera();}@Overridepublic void surfaceCreated(SurfaceHolder holder) {try {/* 打开相机， */camera = Camera.open();initCamera();camera.setPreviewDisplay(holder);} catch (IOException exception) {camera.release();camera = null;}}@Overridepublic void surfaceDestroyed(SurfaceHolder holder) {stopCamera();camera.release();camera = null;}}

package com.jovian.android.ui;import java.io.File;import java.io.FileInputStream;import java.io.FileNotFoundException;import android.app.AlertDialog;import android.app.Dialog;import android.content.Context;import android.content.DialogInterface;import android.content.Intent;import android.graphics.Bitmap;import android.graphics.BitmapFactory;import android.os.AsyncTask;import android.os.Bundle;import android.util.Log;import android.view.View;import android.widget.Button;import android.widget.EditText;import android.widget.ImageView;import com.jovian.android.pqgl.MessageService;import com.jovian.android.pqgl.PQGLMapActivity;import com.jovian.android.pqgl.R;import com.jovian.util.FileUtils;import com.jovian.util.UploadUtil;public class ShowPhotoUploadDialog extends Dialog {Context context;private EditText edit_text;private Button button_preview;private Button button_ok;String photoPath = "";// 用来向EditSgyhDialog传递数值EditSgyhDialog mEditSgyhDialog;public interface UpPhotoOverListener {public void uploadOver(String result);}public EditSgyhDialog getmEditSgyhDialog() {return mEditSgyhDialog;}public void setmEditSgyhDialog(EditSgyhDialog mEditSgyhDialog) {this.mEditSgyhDialog = mEditSgyhDialog;}public ShowPhotoUploadDialog(final Context context, String photoPath) {super(context);this.context = context;this.photoPath = photoPath;setContentView(R.layout.show);setupview();}public void setupview() {this.setTitle("上传照片");final String photoPath1 = photoPath;ImageView image_view = (ImageView) findViewById(R.id.image_view01);edit_text = (EditText) findViewById(R.id.edit_text01);button_preview = (Button) findViewById(R.id.button_preview);button_ok = (Button) findViewById(R.id.button_ok);Bitmap bm = BitmapFactory.decodeFile(photoPath);image_view.setImageBitmap(bm);button_preview.setOnClickListener(new Button.OnClickListener() {@Overridepublic void onClick(View v) {show_exit();}});button_ok.setOnClickListener(new Button.OnClickListener() {UpLoadAndSave loadAndSave = null;@Overridepublic void onClick(View v) {// 正式地址，到时候需要修改为该地址loadAndSave = new UpLoadAndSave(photoPath1,PQGLMapActivity.restserviceURL + "fileupload");loadAndSave.execute();}});}private void show_exit() {ShowPhotoUploadDialog.this.dismiss();ShowCameraDialog camera = new ShowCameraDialog(context);if (null != mEditSgyhDialog) {camera.setDialog(mEditSgyhDialog);}camera.show();}class UpLoadAndSave extends AsyncTask {String filePath;String url;public UpLoadAndSave(String filePath, String url) {this.filePath = filePath;this.url = url;}@Overrideprotected void onPreExecute() {super.onPreExecute();}@Overrideprotected String doInBackground(String... params) {String request = null;File file = new File(photoPath);// 将拍到的照片保存到本地// try {// String name = file.getName();// FileInputStream fileInput = new FileInputStream(file);// FileUtils utils = new FileUtils();// utils.write2SDFromInput(ToLocalPath, name, fileInput);// } catch (FileNotFoundException e) {// e.printStackTrace();// }// 上传到服务器，并且将返回的照片ID传递给EditSgyhDialogif (file != null) {request = UploadUtil.uploadFile(file, url);if (request != null && null != mEditSgyhDialog) {mEditSgyhDialog.getList().add(request);}}return request;}@Overrideprotected void onPostExecute(String result) {super.onPostExecute(result);// 当回到编辑页面进行刷新EditSgyhDialogif (null != mEditSgyhDialog) {mEditSgyhDialog.dealPhoto();} else {Bundle bundle = new Bundle();bundle.putString("zpid", result);Intent intent = new Intent();intent.setAction("SAVE_ZPID");intent.putExtras(bundle);context.sendBroadcast(intent);}ShowPhotoUploadDialog.this.cancel();}}}

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