Android编程调用系统自带的拍照功能并返回JPG文件示例【附demo源码下载】

package com.eboy.testcamera1;import java.io.File;import java.io.FileOutputStream;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.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.Toast;public class MainActivity extends Activity {  @Override  public void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_main);    Button button = (Button) findViewById(R.id.button1);    button.setOnClickListener(new OnClickListener() {      @Override      public void onClick(View v) {        Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);        startActivityForResult(intent, 1);      }    });  }  private void startCamera(View v) {    Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);    startActivityForResult(intent, 1);  }  @Override  public boolean onCreateOptionsMenu(Menu menu) {    getMenuInflater().inflate(R.menu.activity_main, menu);    return true;  }  @Override  protected void onActivityResult(int requestCode, int resultCode, Intent data) {    Bitmap bitmap = (Bitmap)data.getExtras().get("data");    File file = new File(Environment.getExternalStorageDirectory() + "/myImage/");    file.mkdirs();    String fileName = Environment.getExternalStorageDirectory() + "/myImage/" + System.currentTimeMillis() + ".jpg";    try {      FileOutputStream b = new FileOutputStream(fileName);      bitmap.compress(Bitmap.CompressFormat.JPEG, 100, b);      b.flush();      b.close();      Toast.makeText(getApplicationContext(), "照片已保存到：" + fileName, Toast.LENGTH_LONG).show();    } catch (Exception e) {      e.printStackTrace();    }  }}