我也有微信朋友圈了 Android实现

public class FriendsListActivity extends BaseActivity implements OnRefreshListener<ListView>, PostListener { 
  private InteractionAdapter mAdapter; 
  private PullToRefreshListView mRefreshListView; 
  private View mFooter; 
  private Context mContext; 
  private Button btnToPost; 
  protected int mPage = 0; 
  private boolean isRefreshing = false; 
  @Override 
  protected void onCreate(Bundle savedInstanceState) { 
    // TODO Auto-generated method stub 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.friends_list); 
    mContext=getApplicationContext(); 
    mAdapter = new InteractionAdapter(mContext); 
    mAdapter.setListener(this); 
    btnToPost=(Button) findViewById(R.id.btn_topost); 
    mRefreshListView = (PullToRefreshListView) findViewById(R.id.friends_list); 
    FriendsApi.getFriendsList(mContext, mCallBack); 
    mRefreshListView.setOnRefreshListener(this); 
    mFooter = LayoutInflater.from(mContext).inflate(R.layout.loading_footer, null); 
//   mRefreshListView.getRefreshableView().addFooterView(mFooter); 
    mRefreshListView.setAdapter(mAdapter); 
//   mRefreshListView.setOnLastItemVisibleListener(mLastListener); 
//   mRefreshListView.getRefreshableView().setDividerHeight(40); 
    btnToPost.setOnClickListener(new OnClickListener() { 
       
      @Override 
      public void onClick(View v) { 
        myPosts(); 
      } 
    }); 
  } 
   
  protected void myPosts() { 
    new AlertDialog.Builder(this).setItems(new String[]{"图片","视频","文字"}, new DialogInterface.OnClickListener() { 
       
      @Override 
      public void onClick(DialogInterface dialog, int which) { 
        Intent intent=new Intent(); 
        switch (which) { 
        case 0: 
          intent.setClass(FriendsListActivity.this, CreatePostActivity.class); 
          break; 
        case 1: 
          intent.setClass(FriendsListActivity.this, RecorderActivity.class); 
          break; 
        case 2: 
          intent.setClass(FriendsListActivity.this, RecorderActivity.class); 
          break; 
        default: 
          break; 
        } 
        startActivity(intent); 
      } 
    }).show(); 
     
  } 
  /** 
   * 查看更多操作 
   */ 
  @Override 
  public void show(Interaction interaction) { 
     
  } 
   
  @Override 
  public void delete(Interaction interaction) { 
    // TODO Auto-generated method stub 
     
  } 
 
  @Override 
  public void onRefresh(PullToRefreshBase<ListView> refreshView) { 
    if (!isRefreshing) {  
      isRefreshing = true;  
      mPage = 0; 
      FriendsApi.getFriendsList(mContext, mCallBack); 
    }  
  } 
 
  protected NetCallBack mCallBack = new NetCallBack() { 
     
    public void friendslist(ArrayList<Interaction> friends) { 
      Log.i("friends size",friends.size()+"-------------"); 
      mAdapter.setInteractions(friends); 
//     mRefreshListView.getLoadingLayoutProxy().setLastUpdatedLabel(null); 
      mRefreshListView.onRefreshComplete(); 
      isRefreshing = false; 
      dismissLoading(); 
    }; 
     
    public void start() { 
      showLoading(); 
    }; 
     
    public void failed(String message) { 
      loadFailed(); 
    }; 
  }; 
  @Override 
  public void play(Interaction interaction) { 
    Intent mIntent=new Intent(); 
    mIntent.setClass(FriendsListActivity.this, RecorderPlayActivity.class); 
    Bundle data = new Bundle(); 
    data.putString("path", interaction.videoPath); 
    mIntent.putExtras(data); 
    startActivity(mIntent); 
  } 
} 

<"1.0" encoding="utf-8"?> 
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 
  android:layout_width="match_parent" 
  android:layout_height="match_parent" 
  android:background="@color/backgroud_color" > 
  <include 
    android:id="@+id/list_title" 
    android:layout_alignParentTop="true" 
    layout="@layout/list_title"/> 
   
  <com.yzl.xyb.friends.refresh.view.PullToRefreshListView 
    xmlns:app="http://schemas.android.com/apk/res-auto" 
    android:id="@+id/friends_list" 
    android:layout_width="match_parent" 
    android:layout_height="match_parent"  
    android:layout_margin="@dimen/padding_left" 
    android:divider="@android:color/transparent" 
    android:layout_below="@+id/list_title" 
    app:ptrOverScroll="false" 
    app:ptrHeaderTextColor="#ff666666" 
    app:ptrHeaderTextAppearance="@android:style/TextAppearance.Small" 
    app:ptrShowIndicator="false"/> 
   <include layout="@layout/loading"/> 
</RelativeLayout> 

public class InteractionAdapter extends BaseAdapter implements OnClickListener { 
  private ArrayList<Interaction> interactions; 
  private Context mContext; 
  private FinalBitmap mFinal; 
  private BitmapDisplayConfig config; 
  private BitmapDisplayConfig imageConfig; 
  private PostListener listener; 
  public InteractionAdapter(Context context) { 
    mContext = context; 
    mFinal = FinalBitmap.create(mContext); 
    Bitmap bitmap = BitmapFactory.decodeResource(mContext.getResources(), R.drawable.user_avatar); 
    config = new BitmapDisplayConfig(); 
    config.setAnimationType(BitmapDisplayConfig.AnimationType.fadeIn); 
    config.setLoadfailBitmap(bitmap); 
    config.setLoadfailBitmap(bitmap); 
     
    bitmap = BitmapFactory.decodeResource(mContext.getResources(), R.drawable.image_failed); 
    imageConfig = new BitmapDisplayConfig(); 
    imageConfig.setAnimationType(BitmapDisplayConfig.AnimationType.fadeIn); 
    imageConfig.setLoadfailBitmap(bitmap); 
    imageConfig.setLoadfailBitmap(bitmap); 
  } 
   
  public void setListener(PostListener listener) { 
    this.listener = listener; 
  } 
 
  public void setInteractions(ArrayList<Interaction> interactions) { 
    this.interactions = interactions; 
    notifyDataSetChanged(); 
  } 
 
 
  @Override 
  public int getCount() { 
    // TODO Auto-generated method stub 
    return interactions == null "images", interaction.images); 
      intent.putExtras(data); 
      mContext.startActivity(intent); 
    } 
  } 
   
  public interface PostListener { 
    void show(Interaction interaction); 
    void delete(Interaction interaction); 
    void play(Interaction interaction); 
  } 

package com.yzl.xyb.friends; 
 
import java.io.File; 
import java.io.FilenameFilter; 
import java.util.ArrayList; 
import java.util.Arrays; 
import java.util.HashSet; 
import java.util.List; 
 
import android.app.Activity; 
import android.app.ProgressDialog; 
import android.content.ContentResolver; 
import android.content.Intent; 
import android.database.Cursor; 
import android.net.Uri; 
import android.os.Bundle; 
import android.os.Environment; 
import android.os.Handler; 
import android.provider.MediaStore; 
import android.util.DisplayMetrics; 
import android.util.Log; 
import android.view.LayoutInflater; 
import android.view.View; 
import android.view.View.OnClickListener; 
import android.view.ViewGroup.LayoutParams; 
import android.view.WindowManager; 
import android.widget.GridView; 
import android.widget.PopupWindow.OnDismissListener; 
import android.widget.RelativeLayout; 
import android.widget.TextView; 
import android.widget.Toast; 
 
import com.yzl.xyb.friends.adapter.MyAdapter; 
import com.yzl.xyb.friends.adapter.MyAdapter.SetCountListener; 
import com.yzl.xyb.friends.picture.ListImageDirPopupWindow; 
import com.yzl.xyb.friends.picture.ListImageDirPopupWindow.OnImageDirSelected; 
import com.yzl.xyb.friends.util.ImageFloder; 
/** 
 * 从相册选取图片 
 * 可以选择多张，最多可选9张 
 * 获取所有相册 
 * 确定：返回已选图片的路径 
 * @author hou 
 * 
 */ 
public class MultipleActivity extends Activity implements OnImageDirSelected, SetCountListener{ 
  private TextView selectCount; 
  private TextView selectPicture; 
  private TextView mChooseDir; 
  private ProgressDialog mProgressDialog; 
  public static final int KITKAT_LESS = 2; 
  /** 
   * 存储文件夹中的图片数量 
   */ 
  private int mPicsSize; 
  /** 
   * 图片数量最多的文件夹 
   */ 
  private File mImgDir; 
  /** 
   * 所有的图片 
   */ 
  private List<String> mImgs; 
  private ArrayList<String> pictures; 
 
  private GridView mGirdView; 
  private MyAdapter mAdapter; 
  /** 
   * 临时的辅助类，用于防止同一个文件夹的多次扫描 
   */ 
  private HashSet<String> mDirPaths = new HashSet<String>(); 
 
  /** 
   * 扫描拿到所有的图片文件夹 
   */ 
  private List<ImageFloder> mImageFloders = new ArrayList<ImageFloder>(); 
 
  private RelativeLayout mBottomLy; 
 
  int totalCount = 0; 
 
  private int mScreenHeight; 
 
  private ListImageDirPopupWindow mListImageDirPopupWindow; 
 
  private Handler mHandler = new Handler() 
  { 
    public void handleMessage(android.os.Message msg) 
    { 
      mProgressDialog.dismiss(); 
      // 为View绑定数据 
      data2View(); 
      // 初始化展示文件夹的popupWindw 
      initListDirPopupWindw(); 
    } 
  }; 
   
 
  @Override 
  protected void onCreate(Bundle savedInstanceState) 
  { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.picture_selector); 
    getIntent().getExtras(); 
    DisplayMetrics outMetrics = new DisplayMetrics(); 
    getWindowManager().getDefaultDisplay().getMetrics(outMetrics); 
    mScreenHeight = outMetrics.heightPixels; 
 
    initView(); 
    getImages(); 
    initEvent(); 
 
  } 
 
  /** 
   * 初始化View 
   */ 
  private void initView() 
  { 
    mGirdView = (GridView) findViewById(R.id.id_gridView); 
    mChooseDir = (TextView) findViewById(R.id.id_choose_dir); 
    selectCount = (TextView) findViewById(R.id.tv_select_count); 
//   allPhotoAlum = (TextView) findViewById(R.id.tv_photoAlum); 
    selectPicture= (TextView) findViewById(R.id.tv_sure); 
    mBottomLy = (RelativeLayout) findViewById(R.id.id_bottom_ly); 
  } 
 
  private void initEvent() 
  { 
    /** 
     * 为底部的布局设置点击事件，弹出popupWindow 
     */ 
    mBottomLy.setOnClickListener(new OnClickListener() 
    { 
      @Override 
      public void onClick(View v) 
      { 
        mListImageDirPopupWindow 
            .setAnimationStyle(R.style.anim_popup_dir); 
        mListImageDirPopupWindow.showAsDropDown(mBottomLy, 0, 0); 
 
        // 设置背景颜色变暗 
        WindowManager.LayoutParams lp = getWindow().getAttributes(); 
        lp.alpha = .3f; 
        getWindow().setAttributes(lp); 
      } 
    }); 
     
    selectPicture.setOnClickListener(new OnClickListener() { 
       
      @Override 
      public void onClick(View v) { 
        pictures=mAdapter.getSelectPath(); 
        Log.i("选中的图片1",pictures.size()+"----------"); 
        Intent intent=new Intent(); 
//       intent.setClass(MultipleActivity.this, CreatePostActivity.class); 
        Bundle bundle=new Bundle(); 
        bundle.putStringArrayList("PICTURES", pictures); 
        intent.putExtras(bundle); 
//       startActivityForResult(intent, KITKAT_LESS); 
        setResult(KITKAT_LESS, intent);  
        finish(); 
      } 
    }); 
  } 
 
  /** 
   * 为View绑定数据 
   */ 
  private void data2View() 
  { 
    if (mImgDir == null) 
    { 
      Toast.makeText(getApplicationContext(), "擦，一张图片没扫描到", 
          Toast.LENGTH_SHORT).show(); 
      return; 
    } 
 
    mImgs = Arrays.asList(mImgDir.list()); 
    /** 
     * 可以看到文件夹的路径和图片的路径分开保存，极大的减少了内存的消耗； 
     */ 
    mAdapter = new MyAdapter(getApplicationContext(), mImgs, 
        R.layout.grid_item, mImgDir.getAbsolutePath()); 
    mAdapter.setCountListener(this); 
    mGirdView.setAdapter(mAdapter); 
//   allPictureCount.setText("共"+totalCount + "张"); 
  }; 
 
  /** 
   * 初始化展示文件夹的popupWindw 
   */ 
  private void initListDirPopupWindw() 
  { 
    mListImageDirPopupWindow = new ListImageDirPopupWindow( 
        LayoutParams.MATCH_PARENT, (int) (mScreenHeight * 1), 
        mImageFloders, LayoutInflater.from(getApplicationContext()) 
            .inflate(R.layout.list_dir, null)); 
 
    mListImageDirPopupWindow.setOnDismissListener(new OnDismissListener() 
    { 
 
      @Override 
      public void onDismiss() 
      { 
        // 设置背景颜色变暗 
        WindowManager.LayoutParams lp = getWindow().getAttributes(); 
        lp.alpha = 1.0f; 
        getWindow().setAttributes(lp); 
      } 
    }); 
    // 设置选择文件夹的回调 
    mListImageDirPopupWindow.setOnImageDirSelected(this); 
  } 
 
  /** 
   * 利用ContentProvider扫描手机中的图片，此方法在运行在子线程中 完成图片的扫描，最终获得jpg最多的那个文件夹 
   */ 
  private void getImages() 
  { 
    if (!Environment.getExternalStorageState().equals( 
        Environment.MEDIA_MOUNTED)) 
    { 
      Toast.makeText(this, "暂无外部存储", Toast.LENGTH_SHORT).show(); 
      return; 
    } 
    // 显示进度条 
    mProgressDialog = ProgressDialog.show(this, null, "正在加载..."); 
 
    new Thread(new Runnable() 
    { 
      @Override 
      public void run() 
      { 
 
        String firstImage = null; 
 
        Uri mImageUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI; 
        ContentResolver mContentResolver = MultipleActivity.this 
            .getContentResolver(); 
 
        // 只查询jpeg和png的图片 
        Cursor mCursor = mContentResolver.query(mImageUri, null, 
            MediaStore.Images.Media.MIME_TYPE + "=" 
                + MediaStore.Images.Media.MIME_TYPE + "=", 
            new String[] { "image/jpeg", "image/png" }, 
            MediaStore.Images.Media.DATE_MODIFIED); 
 
        Log.e("TAG", mCursor.getCount() + ""); 
        while (mCursor.moveToNext()) 
        { 
          // 获取图片的路径 
          String path = mCursor.getString(mCursor 
              .getColumnIndex(MediaStore.Images.Media.DATA)); 
 
          Log.e("TAG", path); 
          // 拿到第一张图片的路径 
          if (firstImage == null) 
            firstImage = path; 
          // 获取该图片的父路径名 
          File parentFile = new File(path).getParentFile(); 
          if (parentFile == null) 
            continue; 
          String dirPath = parentFile.getAbsolutePath(); 
          ImageFloder imageFloder = null; 
          // 利用一个HashSet防止多次扫描同一个文件夹（不加这个判断，图片多起来还是相当恐怖的~~） 
          if (mDirPaths.contains(dirPath)) 
          { 
            continue; 
          } else 
          { 
            mDirPaths.add(dirPath); 
            // 初始化imageFloder 
            imageFloder = new ImageFloder(); 
            imageFloder.setDir(dirPath); 
            imageFloder.setFirstImagePath(path); 
          } 
 
          int picSize = parentFile.list(new FilenameFilter() 
          { 
            @Override 
            public boolean accept(File dir, String filename) 
            { 
              if (filename.endsWith(".jpg") 
                  || filename.endsWith(".png") 
                  || filename.endsWith(".jpeg")) 
                return true; 
              return false; 
            } 
          }).length; 
          totalCount += picSize; 
 
          imageFloder.setCount(picSize); 
          mImageFloders.add(imageFloder); 
 
          if (picSize > mPicsSize) 
          { 
            mPicsSize = picSize; 
            mImgDir = parentFile; 
          } 
        } 
        mCursor.close(); 
 
        // 扫描完成，辅助的HashSet也就可以释放内存了 
        mDirPaths = null; 
 
        // 通知Handler扫描图片完成 
        mHandler.sendEmptyMessage(0x110); 
 
      } 
    }).start(); 
 
  } 
 
   
 
  @Override 
  public void selected(ImageFloder floder) 
  { 
 
    mImgDir = new File(floder.getDir()); 
    mImgs = Arrays.asList(mImgDir.list(new FilenameFilter() 
    { 
      @Override 
      public boolean accept(File dir, String filename) 
      { 
        if (filename.endsWith(".jpg") || filename.endsWith(".png") 
            || filename.endsWith(".jpeg")) 
          return true; 
        return false; 
      } 
    })); 
    /** 
     * 可以看到文件夹的路径和图片的路径分开保存，极大的减少了内存的消耗； 
     */ 
    mAdapter = new MyAdapter(getApplicationContext(), mImgs, 
        R.layout.grid_item, mImgDir.getAbsolutePath()); 
    mAdapter.setCountListener(this); 
    mGirdView.setAdapter(mAdapter); 
//    mAdapter.notifyDataSetChanged(); 
//   mImageCount.setText(floder.getCount() + "张"); 
    mChooseDir.setText(floder.getName()); 
    selectCount.setText("/9"); 
    mListImageDirPopupWindow.dismiss(); 
 
  } 
 
  @Override 
  public void doCount(int a) { 
    selectCount.setText(a+"/9"); 
  } 
   
 
} 

package com.yzl.xyb.friends; 
 
 
import android.annotation.SuppressLint; 
import android.app.Activity; 
import android.content.Intent; 
import android.os.Bundle; 
import android.os.Handler; 
import android.os.Message; 
import android.util.Log; 
import android.view.MotionEvent; 
import android.view.View; 
import android.view.View.OnTouchListener; 
import android.widget.Button; 
import android.widget.Toast; 
 
import com.yzl.xyb.friends.view.MovieRecorderView; 
import com.yzl.xyb.friends.view.MovieRecorderView.OnRecordFinishListener; 
/** 
 * 录制视频 
 * @author hou 
 * 
 */ 
public class RecorderActivity extends Activity { 
 
  private MovieRecorderView mRecorderView; 
  private Button mShootBtn; 
  private boolean isFinish = true; 
  private String userId = ""; 
  @Override 
  protected void onCreate(Bundle savedInstanceState) { 
    // TODO Auto-generated method stub 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.record_activity); 
//   userId=getIntent().getParcelableExtra("userId"); 
    mRecorderView = (MovieRecorderView) findViewById(R.id.movieRecorderView); 
    mShootBtn = (Button) findViewById(R.id.shoot_button); 
 
    mShootBtn.setOnTouchListener(new OnTouchListener() { 
 
      @Override  
      public boolean onTouch(View v, MotionEvent event) { 
        if (event.getAction() == MotionEvent.ACTION_DOWN) { 
          mRecorderView.record(new OnRecordFinishListener() { 
 
            @Override 
            public void onRecordFinish() { 
              Log.i("MotionEvent>","ACTION_DOWN"); 
              handler.sendEmptyMessage(1); 
            } 
          }); 
        } else if (event.getAction() == MotionEvent.ACTION_UP) { 
          Log.i("MotionEvent>","ACTION_UP"); 
          if (mRecorderView.getTimeCount() > 1) 
            handler.sendEmptyMessage(1); 
          else { 
            if (mRecorderView.getmVecordFile() != null) 
              mRecorderView.getmVecordFile().delete(); 
            mRecorderView.stop(); 
            Toast.makeText(RecorderActivity.this, "时间太短，录制失败", Toast.LENGTH_SHORT).show(); 
          } 
        } 
        return true;  
      } 
    }); 
  } 
 
 
  @Override 
  public void onResume() { 
    super.onResume(); 
    isFinish = true; 
  } 
 
  @Override 
  public void onSaveInstanceState(Bundle outState) { 
    super.onSaveInstanceState(outState); 
    isFinish = false; 
    mRecorderView.stop(); 
  } 
 
  @Override 
  public void onPause() { 
    super.onPause(); 
  } 
 
  @Override 
  public void onDestroy() { 
    super.onDestroy(); 
  } 
 
  @SuppressLint("HandlerLeak") 
  private Handler handler = new Handler() { 
    @Override 
    public void handleMessage(Message msg) { 
      finishActivity(); 
      Log.i("isFinish>",isFinish+""); 
    } 
  }; 
 
  private void finishActivity() { 
    if (isFinish) { 
      mRecorderView.stop(); 
       
      Intent intent = new Intent(RecorderActivity.this, TopicActivity.class); 
      Bundle mBundle = new Bundle();   
      mBundle.putString("path", mRecorderView.getmVecordFile().toString());   
      mBundle.putString("userId", userId); 
      intent.putExtras(mBundle);   
      startActivity(intent);  
    }  
  }  
 
  public interface OnShootCompletionListener { 
    public void OnShootSuccess(String path, int second); 
    public void OnShootFailure(); 
  } 
} 

package com.yzl.xyb.friends; 
 
import android.app.Activity; 
import android.media.AudioManager; 
import android.media.MediaPlayer; 
import android.os.Bundle; 
import android.view.SurfaceHolder; 
import android.view.SurfaceView; 
import android.view.View; 
import android.view.View.OnClickListener; 
import android.widget.ImageButton; 
import android.widget.ImageView; 
 
public class RecorderPlayActivity extends Activity implements SurfaceHolder.Callback, OnClickListener { 
 
  private ImageView ivBack; 
  private ImageButton btnPlay; 
  private SurfaceView surfaceView; 
  private SurfaceHolder surfaceHolder; 
  private String path=null; 
  private MediaPlayer player; 
  private boolean play=false; 
   
  @SuppressWarnings("deprecation") 
  @Override 
  protected void onCreate(Bundle savedInstanceState) { 
    // TODO Auto-generated method stub 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.recorder_play); 
    ivBack=(ImageView) findViewById(R.id.iv_back); 
    btnPlay=(ImageButton) findViewById(R.id.ib_play); 
    surfaceView=(SurfaceView) findViewById(R.id.play_view); 
    btnPlay.setBackground(getResources().getDrawable(R.drawable.play1pressed)); 
    path=this.getIntent().getStringExtra("path"); 
    System.out.println("surface created path= "+path); 
    surfaceHolder=surfaceView.getHolder(); 
    surfaceHolder.addCallback(this); 
    surfaceHolder.setFixedSize(320, 220); 
    surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); 
    System.out.println("oncreate--------------"); 
    ivBack.setOnClickListener(this); 
    btnPlay.setOnClickListener(this); 
    surfaceView.setOnClickListener(this); 
  } 
 
   
  @Override 
  public void surfaceCreated(SurfaceHolder holder) { 
    player=new MediaPlayer(); 
    player.setAudioStreamType(AudioManager.STREAM_MUSIC); 
    player.setDisplay(surfaceHolder); 
    try { 
      System.out.println("surface created path= "+path); 
      player.setDataSource(path); 
      player.prepare(); 
    } catch (Exception e) { 
      e.printStackTrace(); 
    } 
  } 
 
 
  @Override 
  public void surfaceChanged(SurfaceHolder holder, int format, int width, 
      int height) { 
    // TODO Auto-generated method stub 
     
  } 
 
 
  @Override 
  public void surfaceDestroyed(SurfaceHolder holder) { 
    // TODO Auto-generated method stub 
     
  } 
 
 
  @Override 
  public void onClick(View v) { 
    switch (v.getId()) { 
    case R.id.iv_back: 
      this.finish(); 
      break; 
    case R.id.ib_play: 
      player.start(); 
      btnPlay.setVisibility(View.GONE); 
      break; 
    case R.id.play_view: 
      player.pause(); 
      /*if(play){ 
        player.start(); 
      }else { 
        player.pause(); 
      }*/ 
      btnPlay.setVisibility(View.VISIBLE); 
      break; 
 
    default: 
      break; 
    } 
  } 
   
  @Override 
  protected void onDestroy() { 
    // TODO Auto-generated method stub 
    super.onDestroy(); 
    if(player.isPlaying()) 
    { 
      player.stop(); 
    } 
    player.release(); 
  } 
}