Android 模仿发说说

本片博客的事例是根据我自己项目中的部分需求来的，所以有些和这个不相关的内容和源码，大家可以忽略不计。这种发说说的功能，我也是折腾了很久，今日才得知道，大神请不要见笑，,l里面的图片自己找好了，好了，先看效果：

property_repair,xml

<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"
  android:background="@color/main_background"
  tools:ignore="MergeRootFrame" >
  

  <RelativeLayout  
    android:id="@+id/Layout_top"  
    android:orientation="horizontal"   
    android:layout_width="fill_parent"  
    android:layout_height="40dp"  
 
    android:layout_alignParentTop="true"  
    android:gravity="center">  
<include android:id="@+id/shopcar_head" layout="@layout/elife_head" />
  </RelativeLayout>  

  <RelativeLayout  
    android:id="@+id/Layout_bottom"   
    android:layout_alignParentBottom="true"
    android:layout_width="fill_parent"   
    
    android:layout_height="40dp"
    android:gravity="center" >  
    <Button  
      android:id="@+id/button1"  
      android:layout_width="100dp"  
      android:layout_height="fill_parent"
      android:textSize="15sp"
      android:text="提交问题" 
      android:textColor="#ffffff"
      android:background="@drawable/round"/>  
    <Button  
      android:id="@+id/button2"  
      android:layout_width="100dp"  
      android:layout_height="fill_parent"
      android:layout_toRightOf="@+id/button1"
      android:textSize="15sp"
      android:layout_marginLeft="2dp"
       android:textColor="#ffffff"
   android:background="@drawable/round"
      android:text="取消报修" />
  </RelativeLayout>  
 
  <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" > 

      <EditText 
        android:id="@+id/editText1"
        android:layout_height="120dp"
        android:layout_width="fill_parent"
        android:textColor="#1eb2ff"
        android:layout_margin="12dp"
        android:gravity="top"
        android:textSize="15sp"
        android:hint="请说明你的问题..."
        android:maxLength="500"
        android:singleLine="false"
        android:background="@drawable/editview_shape" />
 
      <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:scrollbars="none"
        android:columnWidth="90dp"
        android:stretchMode="columnWidth"
        android:gravity="center" >
      </GridView>
      <TextView 
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="(长按图片可以删除已添加图片)"
        android:textColor="#1eb2ff"
        android:gravity="center" />
    </LinearLayout>
  </RelativeLayout>
  
</RelativeLayout>

griditem_addpic.xml

<?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/imag_oo"
      android:layout_width="fill_parent"
      android:layout_height="fill_parent"
      android:scaleType="fitXY"
      android:src="@drawable/ic_launcher" />
  </RelativeLayout>
</LinearLayout>

editview_shape.xml  //这个是设置圆角的，因为我有这个需求，大家不要可以选择略过

<?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="#1eb2ff"  
        android:width="4px" /> 
</shape>

tijiao_pingjia.xml  这个是弹窗的布局，也和上面一样 是我的需求 大家可以不要

<?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:background="@null"
    android:orientation="vertical" >

    <LinearLayout
        android:id="@+id/tuuikuan_linea"
        android:layout_width="200dp"
        android:layout_height="100dp"
        android:background="@drawable/round_1"
        android:orientation="vertical" >

        <TextView
            android:id="@+id/shifou"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:gravity="center"
            android:text="是否取消报修"
            android:textColor="#1eb2ff"
            android:textSize="12sp" />

        <LinearLayout
            android:id="@+id/xuanze"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:orientation="horizontal" >

            <Button
                android:id="@+id/yes"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:background="@null"
                android:focusable="true"
                android:gravity="center"
                android:text="是"
                android:textColor="#1eb2ff"
                android:textSize="12sp" />

            <Button
                android:id="@+id/no"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="1"
                android:background="@null"
                android:focusable="true"
                android:gravity="center"
                android:text="取消"
                android:textColor="#1eb2ff"
                android:textSize="12sp" />
        </LinearLayout>
    </LinearLayout>

</LinearLayout>

下面是程序 我因为项目需求，所有我的不是MainActivity,而是我需求的一个类，大家根据情况自己定义

Property_repair.java

package com.elife.property;

import java.util.ArrayList;
import java.util.HashMap;

import com.elife.app.R;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.AlertDialog.Builder;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.WindowManager;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.RadioButton;
import android.widget.SimpleAdapter;
import android.widget.TextView;
import android.widget.SimpleAdapter.ViewBinder;
import android.widget.Toast;

public class Property_repair extends Activity {

  private GridView gridView1;              //网格显示缩略图
  private Button buttonPublish,button2,no,yes,button1;            //发布按钮
  private final int IMAGE_OPEN = 1;        //打开图片标记
  private String pathImage;                //选择图片路径
  private Bitmap bmp;                      //导入临时图片
  private ArrayList<HashMap<String, Object>> imageItem;
  private SimpleAdapter simpleAdapter;     //适配器
  private View view;
  
	private RadioButton radio;
	private TextView tv;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.property_repair);
        /*
         * 防止键盘挡住输入框
         * 不希望遮挡设置activity属性 android:windowSoftInputMode="adjustPan"
         * 希望动态调整高度 android:windowSoftInputMode="adjustResize"
         */
        getWindow().setSoftInputMode(WindowManager.LayoutParams.
        		SOFT_INPUT_ADJUST_PAN);
        //锁定屏幕
        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
        setContentView(R.layout.property_repair);
        radio = (RadioButton) findViewById(R.id.head_back);
		tv = (TextView) findViewById(R.id.radio_text);
		tv.setText("物业报修");
		radio.setOnClickListener(new View.OnClickListener() {

			@Override
			public void onClick(View v) {
				finish();
			}
		});
        button2=(Button) findViewById(R.id.button2);
        button2.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				view=LayoutInflater.from(Property_repair.this).inflate(R.layout.tijiao_pingjia, null);
				final Dialog dialog=new Dialog(Property_repair.this,R.style.dialog2);
				dialog.setContentView(view);
				dialog.show();		
				no=(Button) view.findViewById(R.id.no);
				yes=(Button) view.findViewById(R.id.yes);
				yes.setOnClickListener(new OnClickListener() {
					
					@Override
					public void onClick(View v) {
					
						finish();
					}
				});
				no.setOnClickListener(new OnClickListener() {
					
					@Override
					public void onClick(View v) {

						dialog.cancel();
					}
				});
			}
		});
        
         final EditText editText1=(EditText) findViewById(R.id.editText1);
        button1=(Button) findViewById(R.id.button1);
        button1.setOnClickListener(new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				
				if(editText1.getText().toString().length()==0){
					
					Toast.makeText(Property_repair.this, "请简述详情", Toast.LENGTH_SHORT).show();
					
					
				}else{
					Toast.makeText(Property_repair.this, "提交成功", Toast.LENGTH_SHORT).show();
						finish();
				}
			}
		});
        	
        //获取控件对象
        gridView1 = (GridView) findViewById(R.id.gridView1);

        /*
         * 载入默认图片添加图片加号
         * 通过适配器实现
         * SimpleAdapter参数imageItem为数据源 R.layout.griditem_addpic为布局
         */
        //获取资源图片加号
        bmp = BitmapFactory.decodeResource(getResources(), R.drawable.icon_addpic_unfocused);
        imageItem = new ArrayList<HashMap<String, Object>>();
        HashMap<String, Object> map = new HashMap<String, Object>();
        map.put("imag_oo", bmp);
        imageItem.add(map);
        simpleAdapter = new SimpleAdapter(this, 
        		imageItem, R.layout.griditem_addpic, 
                new String[] { "imag_oo"}, new int[] { R.id.imag_oo}); 
        /*
         * HashMap载入bmp图片在GridView中不显示,但是如果载入资源ID能显示 如
         * map.put("itemImage", R.drawable.img);
         * 解决方法:
         *              1.自定义继承BaseAdapter实现
         *              2.ViewBinder()接口实现
         *  参考 http://blog.csdn.net/admin_/article/details/7257901
         */
        simpleAdapter.setViewBinder(new ViewBinder() {  
        @Override  
        public boolean setViewValue(View view, Object data,  
                String textRepresentation) {  
            // TODO Auto-generated method stub  
            if(view instanceof ImageView && data instanceof Bitmap){  
                ImageView i = (ImageView)view;  
                i.setImageBitmap((Bitmap) data);  
                return true;  
            }  
            return false;  
        }
        });  
        gridView1.setAdapter(simpleAdapter);
        
        /*
         * 监听GridView点击事件
         * 报错:该函数必须抽象方法 故需要手动导入import android.view.View;
         */
        gridView1.setOnItemClickListener(new OnItemClickListener() {
  			@Override
      public void onItemClick(AdapterView<?> parent, View v, int position, long id)
      {
  				if( imageItem.size() == 10) { //第一张为默认图片
  					Toast.makeText(Property_repair.this, "图片数9张已满", Toast.LENGTH_SHORT).show();
  				}
  				else if(position == 0) { //点击图片位置为+ 0对应0张图片
  				
  					//选择图片
  					Intent intent = new Intent(Intent.ACTION_PICK,       
  	                        android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);  
  	                startActivityForResult(intent, IMAGE_OPEN);  
  	            
  				}
  				else {
  					dialog(position);
  				}
      }
  		});  
    }
    
    //获取图片路径 响应startActivityForResult  
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {  
        super.onActivityResult(requestCode, resultCode, data);        
        //打开图片  
        if(resultCode==RESULT_OK && requestCode==IMAGE_OPEN) {        
            Uri uri = data.getData();  
            if (!TextUtils.isEmpty(uri.getAuthority())) {  
                //查询选择图片  
                Cursor cursor = getContentResolver().query(  
                        uri,  
                        new String[] { MediaStore.Images.Media.DATA },  
                        null,   
                        null,   
                        null);  
                //返回 没找到选择图片  
                if (null == cursor) {  
                    return;  
                }  
                //光标移动至开头 获取图片路径  
                cursor.moveToFirst();  
                pathImage = cursor.getString(cursor  
                        .getColumnIndex(MediaStore.Images.Media.DATA));  
            }
        }  //end if 打开图片
    }
    
    //刷新图片
    @Override
  protected void onResume() {
    super.onResume();
    if(!TextUtils.isEmpty(pathImage)){
      Bitmap addbmp=BitmapFactory.decodeFile(pathImage);
      HashMap<String, Object> map = new HashMap<String, Object>();
          map.put("imag_oo", addbmp);
          imageItem.add(map);
          simpleAdapter = new SimpleAdapter(this, 
          		imageItem, R.layout.griditem_addpic, 
                  new String[] { "imag_oo"}, new int[] { R.id.imag_oo}); 
          simpleAdapter.setViewBinder(new ViewBinder() {  
          @Override  
          public boolean setViewValue(View view, Object data,  
                  String textRepresentation) {  
              // TODO Auto-generated method stub  
              if(view instanceof ImageView && data instanceof Bitmap){  
                  ImageView i = (ImageView)view;  
                  i.setImageBitmap((Bitmap) data);  
                  return true;  
              }  
              return false;  
          }
          }); 
          gridView1.setAdapter(simpleAdapter);
          simpleAdapter.notifyDataSetChanged();
      //刷新后释放防止手机休眠后自动添加
          pathImage = null;
    }
  }
    
    /*
     * Dialog对话框提示用户删除操作
     * position为删除图片位置
     */
    protected void dialog(final int position) {
    	AlertDialog.Builder builder = new Builder(Property_repair.this);
    	builder.setMessage("确认移除已添加图片吗？");
    	builder.setTitle("提示");
    	builder.setPositiveButton("确认", new DialogInterface.OnClickListener() {
    		@Override
    		public void onClick(DialogInterface dialog, int which) {
    			dialog.dismiss();
    			imageItem.remove(position);
    	        simpleAdapter.notifyDataSetChanged();
    		}
    	});
    	builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
    		@Override
    		public void onClick(DialogInterface dialog, int which) {
    			dialog.dismiss();
    			}
    		});
    	builder.create().show();
    }
    	
    }