拍照和摄像的意图很简答，这里直接贴代码

布局文件

---

Activity

---

apackage xidian.dy.com.chujia;import android.content.Intent;import android.net.Uri;import android.os.Bundle;import android.os.Environment;import android.provider.MediaStore;import android.support.v7.app.AppCompatActivity;import android.view.View;import android.widget.Toast;import java.io.File;public class MainActivity extends AppCompatActivity {    private Uri fileUri;    @Override    public void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.main);    }    public void image(View v){        //创建一个拍照意图        Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);        //设置文件保存路径        fileUri = Uri.fromFile(new File(Environment.getExternalStorageDirectory(), "a.jgp"));        intent.putExtra(MediaStore.EXTRA_OUTPUT,fileUri);        //启动拍照Activity        startActivityForResult(intent,10);    }    public void video(View v){        //创建一个摄像意图        Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);        //设置文件保存路径        fileUri = Uri.fromFile(new File(Environment.getExternalStorageDirectory(),"a.3gp"));        intent.putExtra(MediaStore.EXTRA_OUTPUT, fileUri);        //启动摄像Activity        startActivityForResult(intent, 20);    }    @Override    protected void onActivityResult(int requestCode, int resultCode, Intent data) {        if(requestCode == 10)            Toast.makeText(this, "拍照成功", Toast.LENGTH_SHORT).show();        if(requestCode == 20)            Toast.makeText(this, "摄像成功", Toast.LENGTH_SHORT).show();    }}