<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical"

    tools:context=".MainActivity" >

    <Button

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:onClick="read"

        android:text="读取exif信息" />

</LinearLayout>

package com.wuyudong.loadimage;

import java.io.IOException;

import android.app.Activity;

import android.media.ExifInterface;

import android.os.Bundle;

import android.view.View;

public class MainActivity extends Activity {

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

    }

    public void read(View view) {

        try {

            ExifInterface exif = new ExifInterface("/sdcard/a.jpg");

            String time = exif.getAttribute(ExifInterface.TAG_DATETIME);

            System.out.println(time);

            String model = exif.getAttribute(ExifInterface.TAG_MODEL);

            System.out.println("model:" + model);

        } catch (IOException e) {

            // TODO Auto-generated catch block

            e.printStackTrace();

        }

    }

}