调用android系统相机拍照并保存

[java] view plaincopyprint?

<span style="font-size:18px;">package com.demo;

import java.io.BufferedOutputStream;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.io.IOException;

import java.util.Calendar;

import java.util.Locale;

import android.app.Activity;

import android.content.Intent;

import android.graphics.Bitmap;

import android.os.Bundle;

import android.os.Environment;

import android.provider.MediaStore;

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.Toast;

public class MyCameraActivity extends Activity {

/** Called when the activity is first created. */

private Button button;

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

button = (Button) findViewById(R.id.button);

button.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

// TODO Auto-generated method stub

Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);

startActivityForResult(intent, 1);

}

});

}

@Override

protected void onActivityResult(int requestCode, int resultCode, Intent data) {

// TODO Auto-generated method stub

super.onActivityResult(requestCode, resultCode, data);

if (resultCode == Activity.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;

}

String name = new DateFormat().format("yyyyMMdd_hhmmss",Calendar.getInstance(Locale.CHINA)) + ".jpg";

Toast.makeText(this, name, Toast.LENGTH_LONG).show();

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;

//???????????????????????????????为什么不能直接保存在系统相册位置呢？？？？？？？？？？？？

File file = new File("/sdcard/myImage/");

file.mkdirs();// 创建文件夹

String fileName = "/sdcard/myImage/"+name;

try {

b = new FileOutputStream(fileName);

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();

}

}

((ImageView) findViewById(R.id.imageView)).setImageBitmap(bitmap);// 将图片显示在ImageView里

}

}

}

</span>

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