Android仿微信图片上传，可以选择多张图片，缩放预览，拍照上传等

package com.king.photo.activity;
 
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Color;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.provider.MediaStore;
import android.util.Log;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.view.animation.AnimationUtils;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.PopupWindow;
import android.widget.RelativeLayout;
 
import com.king.photo.R;
import com.king.photo.util.Bimp;
import com.king.photo.util.FileUtils;
import com.king.photo.util.ImageItem;
import com.king.photo.util.PublicWay;
import com.king.photo.util.Res;
 
 
 
 //首页面activity
 
public class MainActivity extends Activity {
 
    private GridView noScrollgridview;
    private GridAdapter adapter;
    private View parentView;
    private PopupWindow pop = null;
    private LinearLayout ll_popup;
    public static Bitmap bimap ;
    
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Res.init(this);
        bimap = BitmapFactory.decodeResource(
                getResources(),
                R.drawable.icon_addpic_unfocused);
        PublicWay.activityList.add(this);
        parentView = getLayoutInflater().inflate(R.layout.activity_selectimg, null);
        setContentView(parentView);
        Init();
    }
 
    public void Init() {
        
        pop = new PopupWindow(MainActivity.this);
        
        View view = getLayoutInflater().inflate(R.layout.item_popupwindows, null);
 
        ll_popup = (LinearLayout) view.findViewById(R.id.ll_popup);
        
        pop.setWidth(LayoutParams.MATCH_PARENT);
        pop.setHeight(LayoutParams.WRAP_CONTENT);
        pop.setBackgroundDrawable(new BitmapDrawable());
        pop.setFocusable(true);
        pop.setOutsideTouchable(true);
        pop.setContentView(view);
        
        RelativeLayout parent = (RelativeLayout) view.findViewById(R.id.parent);
        Button bt1 = (Button) view
                .findViewById(R.id.item_popupwindows_camera);
        Button bt2 = (Button) view
                .findViewById(R.id.item_popupwindows_Photo);
        Button bt3 = (Button) view
                .findViewById(R.id.item_popupwindows_cancel);
        parent.setOnClickListener(new OnClickListener() {
            
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                pop.dismiss();
                ll_popup.clearAnimation();
            }
        });
        bt1.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                photo();
                pop.dismiss();
                ll_popup.clearAnimation();
            }
        });
        bt2.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                Intent intent = new Intent(MainActivity.this,
                        AlbumActivity.class);
                startActivity(intent);
                overridePendingTransition(R.anim.activity_translate_in, R.anim.activity_translate_out);
                pop.dismiss();
                ll_popup.clearAnimation();
            }
        });
        bt3.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                pop.dismiss();
                ll_popup.clearAnimation();
            }
        });
        
        noScrollgridview = (GridView) findViewById(R.id.noScrollgridview);    
        noScrollgridview.setSelector(new ColorDrawable(Color.TRANSPARENT));
        adapter = new GridAdapter(this);
        adapter.update();
        noScrollgridview.setAdapter(adapter);
        noScrollgridview.setOnItemClickListener(new OnItemClickListener() {
 
            public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
                    long arg3) {
                if (arg2 == Bimp.tempSelectBitmap.size()) {
                    Log.i("ddddddd", "----------");
                    ll_popup.startAnimation(AnimationUtils.loadAnimation(MainActivity.this,R.anim.activity_translate_in));
                    pop.showAtLocation(parentView, Gravity.BOTTOM, 0, 0);
                } else {
                    Intent intent = new Intent(MainActivity.this,
                            GalleryActivity.class);
                    intent.putExtra("position", "1");
                    intent.putExtra("ID", arg2);
                    startActivity(intent);
                }
            }
        });
 
    }
 
    @SuppressLint("HandlerLeak")
    public class GridAdapter extends BaseAdapter {
        private LayoutInflater inflater;
        private int selectedPosition = -1;
        private boolean shape;
 
        public boolean isShape() {
            return shape;
        }
 
        public void setShape(boolean shape) {
            this.shape = shape;
        }
 
        public GridAdapter(Context context) {
            inflater = LayoutInflater.from(context);
        }
 
        public void update() {
            loading();
        }
 
        public int getCount() {
            if(Bimp.tempSelectBitmap.size() == 9){
                return 9;
            }
            return (Bimp.tempSelectBitmap.size() + 1);
        }
 
        public Object getItem(int arg0) {
            return null;
        }
 
        public long getItemId(int arg0) {
            return 0;
        }
 
        public void setSelectedPosition(int position) {
            selectedPosition = position;
        }
 
        public int getSelectedPosition() {
            return selectedPosition;
        }
 
        public View getView(int position, View convertView, ViewGroup parent) {
            ViewHolder holder = null;
            if (convertView == null) {
                convertView = inflater.inflate(R.layout.item_published_grida,
                        parent, false);
                holder = new ViewHolder();
                holder.image = (ImageView) convertView
                        .findViewById(R.id.item_grida_image);
                convertView.setTag(holder);
            } else {
                holder = (ViewHolder) convertView.getTag();
            }
 
            if (position ==Bimp.tempSelectBitmap.size()) {
                holder.image.setImageBitmap(BitmapFactory.decodeResource(
                        getResources(), R.drawable.icon_addpic_unfocused));
                if (position == 9) {
                    holder.image.setVisibility(View.GONE);
                }
            } else {
                holder.image.setImageBitmap(Bimp.tempSelectBitmap.get(position).getBitmap());
            }
 
            return convertView;
        }
 
        public class ViewHolder {
            public ImageView image;
        }
 
        Handler handler = new Handler() {
            public void handleMessage(Message msg) {
                switch (msg.what) {
                case 1:
                    adapter.notifyDataSetChanged();
                    break;
                }
                super.handleMessage(msg);
            }
        };
 
        public void loading() {
            new Thread(new Runnable() {
                public void run() {
                    while (true) {
                        if (Bimp.max == Bimp.tempSelectBitmap.size()) {
                            Message message = new Message();
                            message.what = 1;
                            handler.sendMessage(message);
                            break;
                        } else {
                            Bimp.max += 1;
                            Message message = new Message();
                            message.what = 1;
                            handler.sendMessage(message);
                        }
                    }
                }
            }).start();
        }
    }
 
    public String getString(String s) {
        String path = null;
        if (s == null)
            return "";
        for (int i = s.length() - 1; i > 0; i++) {
            s.charAt(i);
        }
        return path;
    }
 
    protected void onRestart() {
        adapter.update();
        super.onRestart();
    }
 
    private static final int TAKE_PICTURE = 0x000001;
 
    public void photo() {
        Intent openCameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
        startActivityForResult(openCameraIntent, TAKE_PICTURE);
    }
 
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        switch (requestCode) {
        case TAKE_PICTURE:
            if (Bimp.tempSelectBitmap.size() < 9 && resultCode == RESULT_OK) {
                
                String fileName = String.valueOf(System.currentTimeMillis());
                Bitmap bm = (Bitmap) data.getExtras().get("data");
                FileUtils.saveBitmap(bm, fileName);
                
                ImageItem takePhoto = new ImageItem();
                takePhoto.setBitmap(bm);
                Bimp.tempSelectBitmap.add(takePhoto);
            }
            break;
        }
    }
    
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if (keyCode == KeyEvent.KEYCODE_BACK) {
            for(int i=0;i<PublicWay.activityList.size();i++){
                if (null != PublicWay.activityList.get(i)) {
                    PublicWay.activityList.get(i).finish();
                }
            }
            System.exit(0);
        }
        return true;
    }
 
}
 
 

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"  
    xmlns:tools="http://schemas.android.com/tools"  
    android:id="@+id/container"  
    android:layout_width="match_parent"  
    android:layout_height="match_parent"  
    tools:context="com.example.suishoupaipublish.MainActivity"  
    tools:ignore="MergeRootFrame" >  
      
    <!-- 顶部添加文字 -->   
    <RelativeLayout    
        android:id="@+id/Layout_top"    
        android:orientation="horizontal"     
        android:layout_width="fill_parent"    
        android:layout_height="40dp"    
        android:layout_marginTop="5dp"  
        android:layout_alignParentTop="true"    
        android:gravity="center">    
        <TextView    
            android:layout_width="fill_parent"     
            android:layout_height="wrap_content"      
            android:textSize="25sp"  
            android:gravity="center"  
            android:text="发布信息" />   
    </RelativeLayout>    
    <!-- 底部按钮 -->    
    <RelativeLayout    
        android:id="@+id/Layout_bottom"     
        android:layout_alignParentBottom="true"  
        android:layout_width="fill_parent"     
        android:layout_height="50dp"  
        android:gravity="center" >    
        <Button    
            android:id="@+id/button1"    
            android:layout_width="wrap_content"    
            android:layout_height="fill_parent"  
            android:textSize="20sp"  
            android:text="发布拍拍" />    
        <Button    
            android:id="@+id/button2"    
            android:layout_width="wrap_content"    
            android:layout_height="fill_parent"  
            android:layout_toRightOf="@+id/button1"  
            android:textSize="20sp"  
            android:text="取消发布" />  
    </RelativeLayout>    
    <!-- 显示图片 -->    
    <RelativeLayout    
        android:id="@+id/Content_Layout"       
        android:layout_width="fill_parent"     
        android:layout_height="fill_parent"    
        android:layout_above="@id/Layout_bottom"     
        android:layout_below="@id/Layout_top"      
        android:gravity="center">       
        <LinearLayout     
            android:layout_width="match_parent"    
            android:layout_height="match_parent"    
            android:orientation="vertical"  
            android:layout_alignParentBottom="true" >   
            <!-- 设置运行多行 设置圆角图形 黑色字体-->  
            <EditText   
                android:id="@+id/editText1"  
                android:layout_height="120dp"  
                android:layout_width="fill_parent"  
                android:textColor="#000000"  
                android:layout_margin="12dp"  
                android:textSize="20sp"  
                android:hint="随手说出你此刻的心声..."  
                android:maxLength="500"  
                android:singleLine="false"  
                android:background="@drawable/editview_shape" />  
            <!-- 网格显示图片 行列间距5dp 每列宽度90dp -->  
            <GridView  
                android:id="@+id/gridView1"  
                android:layout_width="fill_parent"  
                android:layout_height="200dp"  
                android:layout_margin="10dp"  
                android:background="#EFDFDF"  
                android:horizontalSpacing="5dp"  
                android:verticalSpacing="5dp"  
                android:numColumns="4"  
                android:columnWidth="90dp"  
                android:stretchMode="columnWidth"  
                android:gravity="center" >  
            </GridView>  
            <TextView   
                android:layout_width="fill_parent"  
                android:layout_height="wrap_content"  
                android:text="(友情提示:只能添加9张图片,长按图片可以删除已添加图片)"  
                android:gravity="center" />  
        </LinearLayout>  
    </RelativeLayout>  
      
</RelativeLayout>  

<?xml version="1.0" encoding="utf-8"?>  
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  
    android:layout_width="match_parent"  
    android:layout_height="match_parent"  
    android:gravity="center"  
    android:descendantFocusability="blocksDescendants"  
    android:orientation="vertical" >  
    <RelativeLayout  
        android:layout_gravity="center"  
        android:layout_width="80dp"  
        android:layout_height="80dp"  
        android:orientation="vertical" >  
        <ImageView  
            android:layout_marginTop="10dp"  
            android:layout_marginRight="10dp"  
            android:id="@+id/imageView1"  
            android:layout_width="fill_parent"  
            android:layout_height="fill_parent"  
            android:scaleType="fitXY"  
            android:src="@drawable/gridview_addpic" />  
    </RelativeLayout>  
</LinearLayout>  

<?xml version="1.0" encoding="utf-8"?>  
<shape xmlns:android="http://schemas.android.com/apk/res/android"   
    android:shape="rectangle"   
    android:padding="10dp">  
    <!-- 填充editView的颜色 -->  
    <soild android:color="#ffffff"/>  
    <!-- 设置圆角的弧度，radius半径越大，editView的边角越圆 -->  
    <corners   
        android:radius="15dp"  
        android:bottomRightRadius="15dp"  
        android:bottomLeftRadius="15dp"  
        android:topLeftRadius="15dp"    
        android:topRightRadius="15dp"/>  
    <stroke  
        android:color="#32CD32"    
        android:width="4px" />   
</shape>