调用系统相机及摄像机

package com.itheima.systemcamera;

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.view.View;
import android.widget.Toast;

public class MainActivity extends Activity {
    private Uri imageUri = Uri.parse("file:///mnt/sdcard/" + System.currentTimeMillis() + ".jpg");
    private Uri videoUri = Uri.parse("file:///mnt/sdcard/" + System.currentTimeMillis() + ".mp4");

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }

    public void takeImage(View v) {
        Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);    // 创建意图, 指定动作(拍照)
        intent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri);             // 指定存储路径
        startActivityForResult(intent, 100);                            // 启动系统自带的拍照应用
    }

    public void takeVideo(View v) {
        Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
        intent.putExtra(MediaStore.EXTRA_OUTPUT, videoUri);
        startActivityForResult(intent, 200);
    }
    
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        switch (requestCode) {
            case 100:
                Toast.makeText(getApplicationContext(), "拍照成功: " + imageUri, Toast.LENGTH_SHORT).show();
                break;
            case 200:
                Toast.makeText(getApplicationContext(), "录像成功: " + videoUri, Toast.LENGTH_SHORT).show();
                break;
        }
    }
}