android实现定时拍照并发送微博功能

最近在做android方面的开发，下面是android自动对焦并拍照的小例子：

package com.comnvi.camera; 
 
import java.io.File; 
import java.io.FileOutputStream; 
import java.io.IOException; 
import java.text.SimpleDateFormat; 
import java.util.Date; 
import java.util.concurrent.ExecutorService; 
import java.util.concurrent.Executors; 
 
import com.comnvi.camera.share.AccessTokenKeeper; 
import com.tencent.mm.sdk.openapi.IWXAPI; 
import com.tencent.weibo.oauthv2.OAuthV2; 
import com.weibo.sdk.android.Oauth2AccessToken; 
import com.weibo.sdk.android.Weibo; 
import com.weibo.sdk.android.WeiboAuthListener; 
import com.weibo.sdk.android.WeiboDialogError; 
import com.weibo.sdk.android.WeiboException; 
import com.weibo.sdk.android.api.StatusesAPI; 
import com.weibo.sdk.android.net.RequestListener; 
import com.weibo.sdk.android.sso.SsoHandler; 
 
import android.app.Activity; 
import android.content.Intent; 
import android.hardware.Camera; 
import android.hardware.Camera.AutoFocusCallback; 
import android.hardware.Camera.PictureCallback; 
import android.os.Bundle; 
import android.os.Environment; 
import android.os.Looper; 
import android.util.Log; 
import android.view.MotionEvent; 
import android.view.SurfaceHolder; 
import android.view.SurfaceHolder.Callback; 
import android.view.SurfaceView; 
import android.view.View; 
import android.view.View.OnClickListener; 
import android.view.ViewGroup; 
import android.view.Window; 
import android.view.WindowManager; 
import android.widget.Button; 
import android.widget.Toast; 
 
public class MainActivity extends Activity{ 
 private Weibo mWeibo; 
 SsoHandler mSsoHandler; 
 public static final String SINA_CONSUMER_KEY = "2022960751"; 
 public static final String SINA_REDIRECT_URL = "http://sns.whalecloud.com/sina2/callback"; 
 // 按钮面板 
 private View mPannelController; 
 // 报像头 
 private Camera mCamera; 
 public static Oauth2AccessToken accessToken; 
 StatusesAPI api; 
 @Override 
 public void onCreate(Bundle savedInstanceState) { 
 super.onCreate(savedInstanceState); 
 System.out.println("onCreate"); 
 
 requestWindowFeature(Window.FEATURE_NO_TITLE); 
 getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, 
  WindowManager.LayoutParams.FLAG_FULLSCREEN); 
 setContentView(R.layout.main); 
 
 mPannelController = this.findViewById(R.id.buttonlayout); 
 // 创建 定时线程 注意不要使用Timer 
 pool = Executors.newFixedThreadPool(1); 
 // 预览控件 
 SurfaceView surfaceView = (SurfaceView) this 
  .findViewById(R.id.surfaceView); 
 // 设置参数 
 surfaceView.getHolder().setFixedSize(176, 144); 
 surfaceView.getHolder().setKeepScreenOn(true); 
 surfaceView.getHolder().setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); 
 surfaceView.getHolder().addCallback(new SurfaceCallback()); 
 // 添加事件 
 final Button start = (Button) findViewById(R.id.takepicture); 
 start.setOnClickListener(new OnClickListener() { 
 
  @Override 
  public void onClick(View v) { 
  if (mCamera != null) { 
   start.setEnabled(false); 
   // 拍照前需要对焦 获取清析的图片 
   mCamera.autoFocus(new AutoFocusCallback() { 
   // 对焦结束 
   @Override 
   public void onAutoFocus(boolean success, Camera camera) { 
    // 对焦成功 
    Toast.makeText(MainActivity.this, "对焦成功 !!", 
     Toast.LENGTH_SHORT).show(); 
    mIsRunning = true; 
    // 10s 一张 
    pool.execute(mRunnable); 
    //mCamera.takePicture(null, null, new MyPictureCallback()); 
   } 
   }); 
  } 
  } 
 }); 
 
 Button end = (Button) findViewById(R.id.endtake); 
 end.setOnClickListener(new OnClickListener() { 
  @Override 
  public void onClick(View v) { 
  mIsRunning = false; 
  // 取消任务 
  start.setEnabled(true); 
 
  } 
 }); 
  mWeibo = Weibo.getInstance(SINA_CONSUMER_KEY, SINA_REDIRECT_URL); 
  accessToken = AccessTokenKeeper.readAccessToken(this); 
 Button sina = (Button) findViewById(R.id.sina); 
 sina.setOnClickListener(new OnClickListener() { 
  @Override 
  public void onClick(View v) { 
  mSsoHandler = new SsoHandler(MainActivity.this, mWeibo); 
  mSsoHandler.authorize(new UserInfoListener()); 
  } 
 }); 
 } 
 class UserInfoListener implements WeiboAuthListener{ 
 @Override 
 public void onCancel() { 
  Log.v("sina", "------onCancel"); 
 } 
  
 
 @Override 
 public void onComplete(Bundle arg0) { 
  String token = arg0.getString("access_token"); 
  String expires_in = arg0.getString("expires_in"); 
  accessToken = new Oauth2AccessToken( 
   token, expires_in); 
  
 } 
 
 @Override 
 public void onError(WeiboDialogError arg0) { 
  Log.v("sina", "------onError"+arg0.getMessage()); 
  
 } 
 
 @Override 
 public void onWeiboException(WeiboException arg0) { 
  Log.v("sina", "------onWeiboException"+arg0.getMessage()); 
  
 } 
  
 } 
 
 @Override 
 protected void onActivityResult(int requestCode, int resultCode, Intent data) { 
 if (mSsoHandler != null) { 
  Log.v("time", "sso回调"); 
  mSsoHandler.authorizeCallBack(requestCode, resultCode, data); 
 
 } 
 } 
 
 @Override 
 protected void onDestroy() { 
 super.onDestroy(); 
 mIsRunning = false; 
 if (pool != null) { 
  pool.shutdownNow(); 
 } 
 } 
 
 // 定时器 
 private ExecutorService pool = null; 
 private boolean mIsRunning = true; 
 // 定时任务 
 private Runnable mRunnable = new Runnable() { 
 @Override 
 public void run() { 
  // 定时触发拍照方法 
  while (mIsRunning) { 
  mCamera.takePicture(null, null, new MyPictureCallback()); 
  try { 
   Thread.sleep(100* 1000); 
  } catch (InterruptedException e) { 
   e.printStackTrace(); 
  } 
  } 
 
 } 
 }; 
 public void share(String path){ 
 if (accessToken.isSessionValid()&&!"".equals(path)) { 
  AccessTokenKeeper.keepAccessToken(MainActivity.this, accessToken); 
  api = new StatusesAPI(accessToken); 
  Date now=new Date(); 
  SimpleDateFormat temp=new SimpleDateFormat("MM月dd日 HH:mm"); 
  String str=temp.format(now); 
  
  api.upload(str+"测试分享", path, "0", "0", new RequestListener() { 
   
  @Override 
  public void onIOException(IOException arg0) { 
   Log.v("sina", "分享失败"+arg0.getMessage()); 
  } 
   
  @Override 
  public void onError(WeiboException arg0) { 
   Log.v("sina", "分享失败"+arg0.getMessage()); 
  } 
   
  @Override 
  public void onComplete(String arg0) { 
   Log.v("sina", "分享成功"+arg0); 
  } 
  }); 
 }else{ 
  mSsoHandler = new SsoHandler(MainActivity.this, mWeibo); 
  mSsoHandler.authorize(new UserInfoListener()); 
  share(path); 
 } 
 } 
 // 照片回调 
 private final class MyPictureCallback implements PictureCallback { 
 // 照片生成后 
 public void onPictureTaken(byte[] data, Camera camera) { 
  try { 
 
  System.out.println("onPictureTaken"); 
  File jpgFile = new File( 
   Environment.getExternalStorageDirectory()+"/ceshi"); 
  if (!jpgFile.exists()) { 
   jpgFile.mkdir(); 
  } 
  File jpgFile1 = new File( 
   jpgFile.getAbsoluteFile(), 
   System.currentTimeMillis() + ".jpg"); 
 
  System.out.println(jpgFile1.getAbsolutePath()); 
  Toast.makeText(MainActivity.this, 
   "保存成功 !!" + jpgFile1.getAbsolutePath(), 
   Toast.LENGTH_SHORT).show(); 
  FileOutputStream outStream = new FileOutputStream(jpgFile1); 
  outStream.write(data); 
  outStream.close(); 
  share(jpgFile1.getAbsolutePath()); 
  camera.startPreview(); 
  } catch (Exception e) { 
  e.printStackTrace(); 
  } 
 } 
 
 } 
 
 // 预览界面回调 
 private final class SurfaceCallback implements Callback { 
 // 预览界面被创建 
 public void surfaceCreated(SurfaceHolder holder) { 
  try { 
  System.out.println("surfaceCreated"); 
  mCamera = Camera.open();// 打开摄像头 
  Camera.Parameters parameters = mCamera.getParameters(); 
  parameters.setPreviewSize(800, 480); 
  parameters.setPreviewFrameRate(5); 
  parameters.setPictureSize(1024, 768); 
  parameters.setJpegQuality(80); 
  mCamera.setParameters(parameters); 
   
  } catch (Exception e) { 
  e.printStackTrace(); 
  } 
 } 
 
 public void surfaceChanged(SurfaceHolder holder, int format, int width, 
  int height) { 
  System.out.println("surfaceChanged"); 
  
  try { 
  mCamera.setPreviewDisplay(holder); 
  } catch (IOException e) { 
  // TODO Auto-generated catch block 
  e.printStackTrace(); 
  } 
  mCamera.startPreview();// 开始预览 
 } 
 
 // 预览界面被销毁 
 public void surfaceDestroyed(SurfaceHolder holder) { 
  System.out.println("surfaceDestroyed"); 
  if (mCamera != null) { 
  mCamera.release(); 
  mCamera = null; 
  } 
 } 
 
 } 
 
 @Override 
 public boolean onTouchEvent(MotionEvent event) { 
 if (event.getAction() == MotionEvent.ACTION_DOWN) { 
  mPannelController.setVisibility(ViewGroup.VISIBLE); 
  return true; 
 } 
 return super.onTouchEvent(event); 
 } 
 
} 

界面如下图：

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