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：

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持我们。