简单的调用系统摄像头和相机保存到Sd卡的Demo

package com.example.test111;import java.io.File;import android.app.Activity;import android.content.Intent;import android.net.Uri;import android.os.Bundle;import android.os.Environment;import android.provider.MediaStore;import android.view.View;import android.widget.Toast;public class MainActivity extends Activity {    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);    }    public void Photo(View v){        Intent intent = new Intent();        intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);        intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(Environment.getExternalStorageDirectory(), System.currentTimeMillis()+"photo.jpg")));        startActivityForResult(intent, 10);    }    public void Video(View v){        Intent intent = new Intent();        intent.setAction(MediaStore.ACTION_VIDEO_CAPTURE);        intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(Environment.getExternalStorageDirectory(), System.currentTimeMillis()+"video.3gp")));        intent.putExtra(MediaStore.EXTRA_VIDEO_QUALITY, 1);        startActivityForResult(intent, 20);    }    @Override    protected void onActivityResult(int requestCode, int resultCode, Intent data) {        // TODO Auto-generated method stub        super.onActivityResult(requestCode, resultCode, data);        if(resultCode==10){            Toast.makeText(this, "拍照成功", 0).show();        }        else if(requestCode == 20){            Toast.makeText(this, "摄像成功", 0).show();        }    }}