调用系统相机及摄像机

 1 package com.itheima.systemcamera;
 2 
 3 import android.app.Activity;
 4 import android.content.Intent;
 5 import android.net.Uri;
 6 import android.os.Bundle;
 7 import android.provider.MediaStore;
 8 import android.view.View;
 9 import android.widget.Toast;
10 
11 public class MainActivity extends Activity {
12     private Uri imageUri = Uri.parse("file:///mnt/sdcard/" + System.currentTimeMillis() + ".jpg");
13     private Uri videoUri = Uri.parse("file:///mnt/sdcard/" + System.currentTimeMillis() + ".mp4");
14 
15     @Override
16     protected void onCreate(Bundle savedInstanceState) {
17         super.onCreate(savedInstanceState);
18         setContentView(R.layout.activity_main);
19     }
20 
21     public void takeImage(View v) {
22         Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);    // 创建意图, 指定动作(拍照)
23         intent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri);             // 指定存储路径
24         startActivityForResult(intent, 100);                            // 启动系统自带的拍照应用
25     }
26 
27     public void takeVideo(View v) {
28         Intent intent = new Intent(MediaStore.ACTION_VIDEO_CAPTURE);
29         intent.putExtra(MediaStore.EXTRA_OUTPUT, videoUri);
30         startActivityForResult(intent, 200);
31     }
32     
33     @Override
34     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
35         switch (requestCode) {
36             case 100:
37                 Toast.makeText(getApplicationContext(), "拍照成功: " + imageUri, Toast.LENGTH_SHORT).show();
38                 break;
39             case 200:
40                 Toast.makeText(getApplicationContext(), "录像成功: " + videoUri, Toast.LENGTH_SHORT).show();
41                 break;
42         }
43     }
44 }