Android仿微信发表说说实现拍照、多图上传功能

PhotoPickerIntent intent = new PhotoPickerIntent(MainActivity.this);    intent.setSelectModel(SelectModel.MULTI); //    intent.setShowCarema(true); // 是否显示拍照    intent.setMaxTotal(6); // 最多选择照片数量，默认为6    intent.setSelectedPaths(imagePaths); // 已选中的照片地址， 用于回显选中状态    startActivityForResult(intent, REQUEST_CAMERA_CODE); 

@Override  protected void onActivityResult(int requestCode, int resultCode, Intent data) {   super.onActivityResult(requestCode, resultCode, data);   if(resultCode == RESULT_OK) {    switch (requestCode) {     // 选择照片     case REQUEST_CAMERA_CODE:      loadAdpater(data.getStringArrayListExtra(PhotoPickerActivity.EXTRA_RESULT));      break;     // 预览     case REQUEST_PREVIEW_CODE:      loadAdpater(data.getStringArrayListExtra(PhotoPreviewActivity.EXTRA_RESULT));      break;    }   }  } 

 //重点在这里，当position==mMaxposition-1让"+"选择图片的默认图片显示。  //当目前最多6中图片，则最大7时，图片影藏。  if (position==mMaxPosition-1) {  holder.image.setImageResource(R.mipmap.ic_launcher);  holder.image.setVisibility(View.VISIBLE);  if(position==6&&mMaxPosition==7){   holder.image.setImageResource(R.mipmap.ic_launcher);   holder.image.setVisibility(View.GONE);  }  } else {  final String path=listUrls.get(position);  Glide.with(MainActivity.this)    .load(new File(path))    .placeholder(R.mipmap.default_error)    .error(R.mipmap.default_error)    .centerCrop()    .crossFade()    .into(holder.image); } 

 private class GridAdapter extends BaseAdapter{   private ArrayList<String> listUrls;   private int mMaxPosition;   private LayoutInflater inflater;   public GridAdapter(ArrayList<String> listUrls) {    this.listUrls = listUrls;    inflater = LayoutInflater.from(MainActivity.this);   }   public int getCount() {     mMaxPosition = listUrls.size()+1;    return mMaxPosition;   }   public int getMaxPosition(){    return mMaxPosition;   }   @Override   public String getItem(int position) {    return listUrls.get(position);   }    @Override   public long getItemId(int position) {    return position;   }    @Override   public View getView(int position, View convertView, ViewGroup parent) {    ViewHolder holder = null;    if (convertView == null) {     holder = new ViewHolder();     convertView = inflater.inflate(R.layout.item_image, parent,false);     holder.image = (ImageView) convertView.findViewById(R.id.imageView);     convertView.setTag(holder);    } else {     holder = (ViewHolder)convertView.getTag();    }    Log.d("", "position:"+position+" mMaxPosition:"+mMaxPosition);     //重点在这里，当position==mMaxposition-1让"+"选择图片的默认图片显示。     //当目前最多6中图片，则最大7时，图片影藏。    if (position==mMaxPosition-1) { //    holder.image.setTag("default");     holder.image.setImageResource(R.mipmap.ic_launcher);     holder.image.setVisibility(View.VISIBLE);     if(position==6&&mMaxPosition==7){      holder.image.setImageResource(R.mipmap.ic_launcher);      holder.image.setVisibility(View.GONE);     }     } else {     final String path=listUrls.get(position);     Glide.with(MainActivity.this)       .load(new File(path))       .placeholder(R.mipmap.default_error)       .error(R.mipmap.default_error)       .centerCrop()       .crossFade()       .into(holder.image);    } 

gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {     @Override     public void onItemClick(AdapterView<?> parent, View view, int position, long id) {        if (position == gridAdapter.getMaxPosition() - 1) {       PhotoPickerIntent intent = new PhotoPickerIntent(MainActivity.this);      intent.setSelectModel(SelectModel.MULTI);       intent.setShowCarema(true); // 是否显示拍照      intent.setMaxTotal(6); // 最多选择照片数量，默认为9       intent.setSelectedPaths(imagePaths); // 已选中的照片地址， 用于回显选中状态       startActivityForResult(intent, REQUEST_CAMERA_CODE);      }else{        PhotoPreviewIntent intent = new PhotoPreviewIntent(MainActivity.this);        intent.setCurrentItem(position);        intent.setPhotoPaths(imagePaths);        startActivityForResult(intent, REQUEST_PREVIEW_CODE);      }     }    }); 

package com.lidong.photopickersample;   import android.content.Intent; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.BaseAdapter; import android.widget.Button; import android.widget.EditText; import android.widget.GridView; import android.widget.ImageView; import com.bumptech.glide.Glide; import com.lidong.photopicker.ImageCaptureManager; import com.lidong.photopicker.PhotoPickerActivity; import com.lidong.photopicker.PhotoPreviewActivity; import com.lidong.photopicker.SelectModel; import com.lidong.photopicker.intent.PhotoPickerIntent; import com.lidong.photopicker.intent.PhotoPreviewIntent; import org.json.JSONArray; import java.io.File; import java.util.ArrayList;   /**  * @  * @author lidong  * @date 2016-02-29  */ public class MainActivity extends AppCompatActivity {    private static final int REQUEST_CAMERA_CODE = 10;  private static final int REQUEST_PREVIEW_CODE = 20;  private ArrayList<String> imagePaths = new ArrayList<>();  private ImageCaptureManager captureManager; // 相机拍照处理类  private GridView gridView;  private int columnWidth;  private GridAdapter gridAdapter;  private Button mButton;  private String depp;  private EditText textView;    @Override  protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  setContentView(R.layout.activity_main);  gridView = (GridView) findViewById(R.id.gridView);  mButton = (Button) findViewById(R.id.button);  textView= (EditText)findViewById(R.id.et_context);  int cols = getResources().getDisplayMetrics().widthPixels / getResources().getDisplayMetrics().densityDpi;  cols = cols < 3 ? 3 : cols;  gridView.setNumColumns(cols);  // preview  gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {   @Override   public void onItemClick(AdapterView<?> parent, View view, int position, long id) {     if (position == gridAdapter.getMaxPosition() - 1) {    PhotoPickerIntent intent = new PhotoPickerIntent(MainActivity.this);    intent.setSelectModel(SelectModel.MULTI);    intent.setShowCarema(true); // 是否显示拍照    intent.setMaxTotal(6); // 最多选择照片数量，默认为9    intent.setSelectedPaths(imagePaths); // 已选中的照片地址， 用于回显选中状态    startActivityForResult(intent, REQUEST_CAMERA_CODE);   }else{    PhotoPreviewIntent intent = new PhotoPreviewIntent(MainActivity.this);    intent.setCurrentItem(position);    intent.setPhotoPaths(imagePaths);    startActivityForResult(intent, REQUEST_PREVIEW_CODE);   }   }  });  gridAdapter = new GridAdapter(imagePaths);  gridView.setAdapter(gridAdapter);    mButton.setOnClickListener(new View.OnClickListener() {   @Override   public void onClick(View v) {   depp =textView.getText().toString().trim()!=null?textView.getText().toString().trim():"woowoeo";   new Thread(){    @Override    public void run() {    super.run();    FileUploadManager.upload(imagePaths,depp);    }   }.start();   }  });  }    @Override  protected void onActivityResult(int requestCode, int resultCode, Intent data) {  super.onActivityResult(requestCode, resultCode, data);  if(resultCode == RESULT_OK) {   switch (requestCode) {   // 选择照片   case REQUEST_CAMERA_CODE:    loadAdpater(data.getStringArrayListExtra(PhotoPickerActivity.EXTRA_RESULT));    break;   // 预览   case REQUEST_PREVIEW_CODE:    loadAdpater(data.getStringArrayListExtra(PhotoPreviewActivity.EXTRA_RESULT));    break;   }  }  }    private void loadAdpater(ArrayList<String> paths){  if(imagePaths == null){   imagePaths = new ArrayList<>();  }  imagePaths.clear();  imagePaths.addAll(paths);  try{   JSONArray obj = new JSONArray(imagePaths);   Log.e("--", obj.toString());  }catch (Exception e){   e.printStackTrace();  }  gridAdapter.notifyDataSetChanged();  }    private class GridAdapter extends BaseAdapter{  private ArrayList<String> listUrls;  private int mMaxPosition;  private LayoutInflater inflater;  public GridAdapter(ArrayList<String> listUrls) {   this.listUrls = listUrls;   inflater = LayoutInflater.from(MainActivity.this);  }    public int getCount() {   if (listUrls.size() == 9) {   mMaxPosition = listUrls.size()+1;   } else {    mMaxPosition = listUrls.size()+1;   }   return mMaxPosition;  }  public int getMaxPosition(){   return mMaxPosition;  }  @Override  public String getItem(int position) {   return listUrls.get(position);  }    @Override  public long getItemId(int position) {   return position;  }    @Override  public View getView(int position, View convertView, ViewGroup parent) {   ViewHolder holder = null;   if (convertView == null) {   holder = new ViewHolder();     convertView = inflater.inflate(R.layout.item_image, parent,false);   holder.image = (ImageView) convertView.findViewById(R.id.imageView);   convertView.setTag(holder);   } else {   holder = (ViewHolder)convertView.getTag();   }   Log.d("", "position:"+position+" mMaxPosition:"+mMaxPosition);     if (position==mMaxPosition-1) { //  holder.image.setTag("default");   holder.image.setImageResource(R.mipmap.ic_launcher);   holder.image.setVisibility(View.VISIBLE);   if(position==6&&mMaxPosition==7){    holder.image.setImageResource(R.mipmap.ic_launcher);    holder.image.setVisibility(View.GONE);   }   } else {   final String path=listUrls.get(position);   Glide.with(MainActivity.this)    .load(new File(path))    .placeholder(R.mipmap.default_error)    .error(R.mipmap.default_error)    .centerCrop()    .crossFade()    .into(holder.image);   }       return convertView;  }  public class ViewHolder {   public ImageView image;  }  } } 

package com.lidong.photopickersample; import android.util.Log; import com.squareup.okhttp.MediaType; import com.squareup.okhttp.RequestBody; import java.io.File; import java.util.ArrayList; import retrofit.Call; import retrofit.Callback; import retrofit.GsonConverterFactory; import retrofit.Response; import retrofit.Retrofit; import retrofit.http.Multipart; import retrofit.http.POST; import retrofit.http.Part;   /**  * Created by lidong on 2016/2/29  */ public class FileUploadManager {    private static final String ENDPOINT = "http://192.168.1.122:8080";    public interface FileUploadService {  /**   * 上传一张图片   * @param description   * @param imgs   * @return   */  @Multipart  @POST("/upload")  Call<String> uploadImage(@Part("fileName") String description,      @Part("file/"; filename=/"image.png/"") RequestBody imgs);      /**   * 上传6张图片   * @param description   * @param imgs1   * @param imgs2   * @param imgs3   * @param imgs4   * @param imgs5   * @param imgs6   * @return   */  @Multipart  @POST("/upload")  Call<String> uploadImage(@Part("description") String description,      @Part("file/"; filename=/"image.png/"") RequestBody imgs1,      @Part("file/"; filename=/"image.png/"") RequestBody imgs2,      @Part("file/"; filename=/"image.png/"") RequestBody imgs3,      @Part("file/"; filename=/"image.png/"") RequestBody imgs4,      @Part("file/"; filename=/"image.png/"") RequestBody imgs5,      @Part("file/"; filename=/"image.png/"") RequestBody imgs6);  }    private static final Retrofit sRetrofit = new Retrofit .Builder()   .baseUrl(ENDPOINT)   .addConverterFactory(GsonConverterFactory.create()) //  .addCallAdapterFactory(RxJavaCallAdapterFactory.create()) // 使用RxJava作为回调适配器   .build();    private static final FileUploadService apiManager = sRetrofit.create(FileUploadService.class);   /**  * 发说说  * @param paths  * @param desp  */  public static void upload(ArrayList<String> paths,String desp){  RequestBody[] requestBody= new RequestBody[6];  if (paths.size()>0) {   for (int i=0;i<paths.size();i++) {   requestBody[i] =    RequestBody.create(MediaType.parse("multipart/form-data"), new File(paths.get(i)));   }  }  Call<String> call = apiManager.uploadImage( desp,requestBody[0],requestBody[1],requestBody[2],requestBody[3],requestBody[4],requestBody[5]);  call.enqueue(new Callback<String>() {   @Override   public void onResponse(Response<String> response, Retrofit retrofit) {   Log.v("Upload", response.message());   Log.v("Upload", "success");   }     @Override   public void onFailure(Throwable t) {   Log.e("Upload", t.toString());   }  });    } }