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   源码介绍

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package com.example.test3;

import java.io.File;
import java.util.Calendar;
import java.util.Locale;

import android.app.Activity;
import android.content.Intent;
import android.content.res.Configuration;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.media.MediaMetadataRetriever;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.text.TextUtils;
import android.text.format.DateFormat;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;

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
	private TextView tv = null;
	private StringBuilder stringBuilder = null;
	private ImageView iv;
	private ImageView iv2;
	private ImageView iv3;
	private View re_video;
	private Button ButtonShot;
	private Button ButtonVideo;
	private Button ButtonRecorder;

	String localTempImgFileName = null;
	String localTempImgDir = "Image";

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

	public void init() {
		tv = (TextView) findViewById(R.id.tv);
		iv = (ImageView) findViewById(R.id.iv);
		iv2 = (ImageView) findViewById(R.id.iv2);
		iv3 = (ImageView) findViewById(R.id.iv3);
		ButtonShot = (Button) findViewById(R.id.ButtonShot);
		ButtonVideo = (Button) findViewById(R.id.ButtonVideo);
		ButtonRecorder = (Button) findViewById(R.id.ButtonRecorder);
		ButtonShot.setOnClickListener(this);
		ButtonVideo.setOnClickListener(this);
		ButtonRecorder.setOnClickListener(this);
		re_video = findViewById(R.id.re_video);
		iv.setOnClickListener(this);
		re_video.setOnClickListener(this);

	}

	@Override
	protected void onActivityResult(int requestCode, int resultCode, Intent data) {
		super.onActivityResult(requestCode, resultCode, data);
		stringBuilder = new StringBuilder();
		switch (requestCode) {
		case RESULT_CAPTURE_IMAGE:// 拍照
			if (resultCode == RESULT_OK) {
				/*
				 * String sdStatus = Environment.getExternalStorageState(); if
				 * (!sdStatus.equals(Environment.MEDIA_MOUNTED)) { // 检测sd是否可用
				 * Log.i("TestFile",
				 * "SD card is not avaiable/writeable right now."); return; }
				 * new DateFormat(); String name =
				 * DateFormat.format("yyyyMMdd_hhmmss",
				 * Calendar.getInstance(Locale.CHINA))   ".jpg"; Bundle bundle =
				 * data.getExtras(); Bitmap bitmap = (Bitmap)
				 * bundle.get("data");// 获取相机返回的数据，并转换为Bitmap图片格式
				 * 
				 * FileOutputStream b = null; File file = new
				 * File("/sdcard/Image/"); file.mkdirs();// 创建文件夹 strImgPath =
				 * "/sdcard/Image/"   name; try { b = new
				 * FileOutputStream(strImgPath);
				 * bitmap.compress(Bitmap.CompressFormat.JPEG, 100, b);//
				 * 把数据写入文件 } catch (FileNotFoundException e) {
				 * e.printStackTrace(); } finally { try { b.flush(); b.close();
				 * } catch (IOException e) { e.printStackTrace(); } } try {
				 * iv.setImageBitmap(bitmap);// 将图片显示在ImageView里 } catch
				 * (Exception e) { Log.e("error", e.getMessage()); }
				 */
				File f = new File(
						Environment.getExternalStorageDirectory()   "/"   localTempImgDir   "/"   localTempImgFileName);
				Log.e("123","拍照的地址=" f.getAbsolutePath());
				try {
					Uri u = Uri.parse(android.provider.MediaStore.Images.Media.insertImage(getContentResolver(),
							f.getAbsolutePath(), null, null));
					Bitmap bitmap = MediaStore.Images.Media.getBitmap(this.getContentResolver(), u);
					
					Log.e("123","设置图片" bitmap);
					iv.setImageBitmap(bitmap);
					strImgPath = f.getAbsolutePath();
					// u就是拍摄获得的原始图片的uri，剩下的你想干神马坏事请便……
				} catch (Exception e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
			}
			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"));
					Bitmap bitmap = getVideoThumbnail(strVideoPath);
					if (null != bitmap) {
						iv2.setImageBitmap(bitmap);

					}
				}
			}
			break;
		case RESULT_CAPTURE_RECORDER_SOUND:// 录音
			if (resultCode == RESULT_OK) {
				Uri audioPath = data.getData();
				Log.e("123", "录音的路径="   audioPath.toString());
				strRecorderPath = audioPath.toString();
				strRecorderPath = audioPath.toString().replace("file://", "");
			}
			break;
		}
		tv.setText("图片地址="   strImgPath   "\t\n"   "录像地址="   strVideoPath   "\t\n"   "录音地址="   strRecorderPath);
	}


	/**
	 * 照相功能
	 */
	private void cameraMethod() {
		/*
		 * Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
		 * startActivityForResult(intent, RESULT_CAPTURE_IMAGE);
		 */
		// 先验证手机是否有sdcard
		localTempImgFileName = DateFormat.format("yyyyMMdd_hhmmss", Calendar.getInstance(Locale.CHINA))   ".jpg";
		String status = Environment.getExternalStorageState();
		if (status.equals(Environment.MEDIA_MOUNTED)) {
			try {

				File dir = new File(Environment.getExternalStorageDirectory()   "/"   localTempImgDir);
				if (!dir.exists())
					dir.mkdirs();

				Intent intent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
				File f = new File(dir, localTempImgFileName);// localTempImgDir和localTempImageFileName是自己定义的名字
				Uri u = Uri.fromFile(f);
				intent.putExtra(MediaStore.Images.Media.ORIENTATION, 0);
				intent.putExtra(MediaStore.EXTRA_OUTPUT, u);
				Log.e("123","拍照");
				startActivityForResult(intent, RESULT_CAPTURE_IMAGE);
			} catch (Exception e) {
				Log.e("123", "拍照的错误="   e.getMessage());
			}
		}
	}

	/**
	 * 拍摄视频
	 */
	private void videoMethod() {

		Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
		intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 1);
		intent.putExtra(MediaStore.EXTRA_SIZE_LIMIT, 10485760);
		intent.putExtra(MediaStore.EXTRA_DURATION_LIMIT, 60000);
		startActivityForResult(intent, REQUEST_CODE_TAKE_VIDEO);
	}

	/**
	 * 录音功能
	 */
	private void soundRecorderMethod() {

		Intent intent = new Intent(MediaStore.Audio.Media.RECORD_SOUND_ACTION);
		startActivityForResult(intent, RESULT_CAPTURE_RECORDER_SOUND);

	}

	/**
	 * 得到视频的缩略图
	 */
	public Bitmap getVideoThumbnail(String filePath) {
		Bitmap bitmap = null;
		MediaMetadataRetriever retriever = new MediaMetadataRetriever();
		try {
			retriever.setDataSource(filePath);
			bitmap = retriever.getFrameAtTime();
		} catch (IllegalArgumentException e) {
			e.printStackTrace();
		} catch (RuntimeException e) {
			e.printStackTrace();
		} finally {
			try {
				retriever.release();
			} catch (RuntimeException e) {
				e.printStackTrace();
			}
		}
		return bitmap;
	}

	@Override
	public void onClick(View v) {
		switch (v.getId()) {
		case R.id.ButtonShot:
			cameraMethod();
			break;
		case R.id.ButtonVideo:
			videoMethod();
			break;
		case R.id.ButtonRecorder:
			soundRecorderMethod();
			break;

		case R.id.iv:
			if (TextUtils.isEmpty(strImgPath))
				return;
			Intent intent = new Intent(MainActivity.this, ImageDetailsActivity.class);
			intent.putExtra("image_path", strImgPath);
			startActivity(intent);

			break;
		case R.id.re_video:

			break;

		default:
			break;
		}

	}
}