2017-02-10 159 views
0

這是我的代碼它存儲捕獲的圖片窗體相機並將其保存在SDcard但現在我想要增強此代碼每隔5秒拍攝一次圖片如果任何身體有一個想法如何請這樣做,請分享拍攝並保存Android中的連續圖像

public class MainActivity extends ActionBarActivity { 


    private final int requestCode = 20; 

    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.activity_main); 
     int pictureCounter = 10; 

     imageHolder = (ImageView)findViewById(R.id.captured_photo); 
     Button capturedImageButton = (Button)findViewById(R.id.photo_button); 
     capturedImageButton.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View v) { 

       Intent photoCaptureIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); 
       startActivityForResult(photoCaptureIntent, requestCode); 
      } 
     }); 
    } 

    @Override 
    protected void onActivityResult(int requestCode, int resultCode, Intent data) { 
     super.onActivityResult(requestCode, resultCode, data); 
     if(this.requestCode == requestCode && resultCode == RESULT_OK){ 
      Bitmap bitmap = (Bitmap)data.getExtras().get("data"); 

      String partFilename = currentDateFormat(); 
      storeCameraPhotoInSDCard(bitmap, partFilename); 


     } 
    } 

    private String currentDateFormat(){ 
     SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMdd_HH_mm_ss"); 
     String currentTimeStamp = dateFormat.format(new Date()); 
     return currentTimeStamp; 
    } 

    private void storeCameraPhotoInSDCard(Bitmap bitmap, String currentDate){ 
     File outputFile = new File(Environment.getExternalStorageDirectory(), "photo_" + currentDate + ".jpg"); 
     try { 
      FileOutputStream fileOutputStream = new FileOutputStream(outputFile); 
      bitmap.compress(Bitmap.CompressFormat.JPEG, 100, fileOutputStream); 
      fileOutputStream.flush(); 
      fileOutputStream.close(); 
     } catch (FileNotFoundException e) { 
      e.printStackTrace(); 
     } catch (IOException e) { 
      e.printStackTrace(); 
     } 

回答

0

您應該實現一個使用線程的可運行接口。這樣,您可以調用OnClick方法的函數,然後調用Thread.sleep(timeinmilliseconds),然後再次根據需要調用onClick方法中的函數。

下面是如何使用線程的例子:

http://www.wideskills.com/java-tutorial/java-threads-tutorial

+0

感謝您的答覆,但如何做到這一切! :/ – rheema

+0

1.在類的頂部添加implements可運行的。 2.創建一個線程。 3.調用方法4.調用thread.sleep()5.再次調用方法 – JordanH

+0

在我提供的鏈接中有清楚​​的說明。 – JordanH