android图像处理系统框架

图像处理框架的功能简介：

作者：郑海波 2012-08-12 Email:zhb931706659@126.com

1.布局
  有TextView、ImageView和Button三种控件
2.功能：
  2.1 显示：系统初始化时，显示Lenna图像
  2.2 打开图像：Open按钮完成打开图像功能。点击Open按钮，用户可以选择媒体库中的图像；
  2.3 处理图像：Process按钮。当点击时，跳转到一个算法选择的Activity，根据用户的选择，系统开始处理图像；
  2.4 保存图像：Save按钮。将当前显示的图像保存到原图像的路径，即替换原图像。
  2.5 拍照功能：Camera按钮。用户可以打开摄像头，将拍照的图像作为素材。
  2.6 截图功能：Screen按钮。点击按钮，将当前用户的界面截取下来，作为拍照的素材。
  2.7 触摸功能：在ImageView区域触摸，当用户点击图像时，图像由‘原大小’变为‘适合屏幕’或相反。向上滑动，显示系统的lenna图像。向右滑动，显示上一幅图像。向下滑动，显示原图像。

部分代码展示：

布局文件：

[html] view plain copy print ?

1. <?xml version="1.0" encoding="UTF-8"?> 
2. <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 
3.     android:id="@+id/RelativeLayout_bg" android:layout_width="fill_parent" 
4.     android:layout_height="fill_parent"> 
5.     <!-- 头部 --> 
6.     <RelativeLayout  
7.         android:id="@+id/MyLayout_top" 
8.         android:orientation="horizontal"  
9.         android:layout_width="fill_parent" 
10.         android:layout_height="25dp"  
11.         android:layout_alignParentTop="true" 
12.         android:gravity="center"> 
13.         <TextView 
14.             android:id="@+id/ImagePath" 
15.             android:layout_width="wrap_content" 
16.             android:layout_height="wrap_content" 
17.             android:textColor="#FF00ff00"  
18.             android:text="ImageProcess" /> 
19.     </RelativeLayout> 
20.     <!-- 底部 --> 
21.     <RelativeLayout 
22.         android:id="@+id/MyLayout_bottom" 
23.         android:orientation="horizontal"  
24.         android:layout_width="fill_parent" 
25.         android:layout_height="60dp"  
26.         android:layout_alignParentBottom="true" 
27.         android:gravity="center"> 
28.         <!-- 底部第一个横条 --> 
29.         <LinearLayout 
30.             android:id="@+id/MyLayout_bottom1" 
31.             android:orientation="horizontal"  
32.             android:layout_width="fill_parent" 
33.             android:layout_height="40dp"  
34.             android:layout_alignParentTop="true"> 
35.             <Button 
36.                    android:id="@+id/SelectBtn" 
37.                    android:layout_weight="1" 
38.                    android:layout_width="fill_parent" 
39.                    android:layout_height="fill_parent" 
40.                    android:text="Open" /> 
41.              <Button 
42.                    android:id="@+id/processBtn" 
43.                    android:layout_weight="1" 
44.                    android:layout_width="fill_parent" 
45.                    android:layout_height="fill_parent" 
46.                    android:text="Process" /> 
47.              <Button 
48.                    android:id="@+id/SaveBtn" 
49.                    android:layout_weight="1" 
50.                    android:layout_width="fill_parent" 
51.                    android:layout_height="fill_parent" 
52.                    android:text="Save" /> 
53.               <Button 
54.                    android:id="@+id/CameraBtn" 
55.                    android:layout_weight="1" 
56.                    android:layout_width="fill_parent" 
57.                    android:layout_height="fill_parent" 
58.                    android:text="Camera" /> 
59.               <Button 
60.                    android:id="@+id/ScreenShotBtn" 
61.                    android:layout_weight="1" 
62.                    android:layout_width="fill_parent" 
63.                    android:layout_height="fill_parent" 
64.                    android:text="Screen" /> 
65.              <Button 
66.                    android:id="@+id/AboutBtn" 
67.                    android:layout_weight="1" 
68.                    android:layout_width="fill_parent" 
69.                    android:layout_height="fill_parent" 
70.                    android:text="About" /> 
71.           </LinearLayout> 
72.           <!-- 底部第二个横条 --> 
73.           <LinearLayout 
74.              android:id="@+id/MyLayout_bottom2" 
75.              android:orientation="horizontal"  
76.              android:layout_width="fill_parent" 
77.              android:layout_height="20dp" 
78.              android:background="#DFDFDF" 
79.              android:layout_alignParentBottom="true"  
80.              android:gravity="center"> 
81.              <TextView 
82.            android:id="@+id/AboutTextView" 
83.            android:layout_width="wrap_content" 
84.            android:layout_height="wrap_content" 
85.            android:text="zhb931706659@126.com" /> 
86.           </LinearLayout> 
87.     </RelativeLayout> 
88.     <!-- 中部 --> 
89.     <RelativeLayout  
90.         android:orientation="horizontal" 
91.         android:layout_width="fill_parent"  
92.         android:layout_height="fill_parent" 
93.         android:layout_above="@id/MyLayout_bottom"  
94.         android:layout_below="@id/MyLayout_top" 
95.         android:background="#EFDFDF" 
96.         android:gravity="center"> 
97.         <ImageView 
98.                android:id="@+id/imageshow" 
99.                android:layout_width="fill_parent" 
100.                android:layout_height="wrap_content" /> 
101.     </RelativeLayout> 
102. </RelativeLayout> 

<?xml version="1.0" encoding="UTF-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/RelativeLayout_bg" android:layout_width="fill_parent"
    android:layout_height="fill_parent">
    <!-- 头部 -->
    <RelativeLayout 
        android:id="@+id/MyLayout_top"
        android:orientation="horizontal" 
        android:layout_width="fill_parent"
        android:layout_height="25dp" 
        android:layout_alignParentTop="true"
        android:gravity="center">
        <TextView
	        android:id="@+id/ImagePath"
	        android:layout_width="wrap_content"
	        android:layout_height="wrap_content"
	        android:textColor="#FF00ff00" 
	        android:text="ImageProcess" />
    </RelativeLayout>
    <!-- 底部 -->
    <RelativeLayout
        android:id="@+id/MyLayout_bottom"
        android:orientation="horizontal" 
        android:layout_width="fill_parent"
        android:layout_height="60dp" 
        android:layout_alignParentBottom="true"
        android:gravity="center">
        <!-- 底部第一个横条 -->
        <LinearLayout
            android:id="@+id/MyLayout_bottom1"
            android:orientation="horizontal" 
            android:layout_width="fill_parent"
            android:layout_height="40dp" 
            android:layout_alignParentTop="true">
            <Button
	               android:id="@+id/SelectBtn"
	               android:layout_weight="1"
	               android:layout_width="fill_parent"
	               android:layout_height="fill_parent"
	               android:text="Open" />
             <Button
	               android:id="@+id/processBtn"
	               android:layout_weight="1"
	               android:layout_width="fill_parent"
	               android:layout_height="fill_parent"
	               android:text="Process" />
             <Button
	               android:id="@+id/SaveBtn"
	               android:layout_weight="1"
	               android:layout_width="fill_parent"
	               android:layout_height="fill_parent"
	               android:text="Save" />
              <Button
	               android:id="@+id/CameraBtn"
	               android:layout_weight="1"
	               android:layout_width="fill_parent"
	               android:layout_height="fill_parent"
	               android:text="Camera" />
              <Button
	               android:id="@+id/ScreenShotBtn"
	               android:layout_weight="1"
	               android:layout_width="fill_parent"
	               android:layout_height="fill_parent"
	               android:text="Screen" />
             <Button
	               android:id="@+id/AboutBtn"
	               android:layout_weight="1"
	               android:layout_width="fill_parent"
	               android:layout_height="fill_parent"
	               android:text="About" />
          </LinearLayout>
          <!-- 底部第二个横条 -->
          <LinearLayout
             android:id="@+id/MyLayout_bottom2"
             android:orientation="horizontal" 
             android:layout_width="fill_parent"
             android:layout_height="20dp"
             android:background="#DFDFDF"
             android:layout_alignParentBottom="true" 
             android:gravity="center">
             <TextView
	       android:id="@+id/AboutTextView"
	       android:layout_width="wrap_content"
	       android:layout_height="wrap_content"
	       android:text="zhb931706659@126.com" />
          </LinearLayout>
    </RelativeLayout>
    <!-- 中部 -->
    <RelativeLayout 
        android:orientation="horizontal"
        android:layout_width="fill_parent" 
        android:layout_height="fill_parent"
        android:layout_above="@id/MyLayout_bottom" 
        android:layout_below="@id/MyLayout_top"
        android:background="#EFDFDF"
        android:gravity="center">
        <ImageView
	           android:id="@+id/imageshow"
	           android:layout_width="fill_parent"
	           android:layout_height="wrap_content" />
    </RelativeLayout>
</RelativeLayout>

主Activity代码

[java] view plain copy print ?

1. package com.example.njupt.zhb.imageprocesssystem; 
2. import java.io.BufferedOutputStream; 
3. import java.io.File; 
4. import java.io.FileNotFoundException; 
5. import java.io.FileOutputStream; 
6. import java.io.IOException; 
7. import android.net.Uri; 
8. import android.os.Bundle; 
9. import android.provider.MediaStore; 
10. import android.app.Activity; 
11. import android.content.BroadcastReceiver; 
12. import android.content.Context; 
13. import android.content.Intent; 
14. import android.content.IntentFilter; 
15. import android.database.Cursor; 
16. import android.graphics.Bitmap; 
17. import android.graphics.BitmapFactory; 
18. import android.graphics.Bitmap.CompressFormat; 
19. import android.graphics.Rect; 
20. import android.view.Menu; 
21. import android.view.MotionEvent; 
22. import android.view.View; 
23. import android.view.View.OnClickListener; 
24. import android.view.View.OnTouchListener; 
25. import android.view.ViewGroup.LayoutParams; 
26. import android.widget.Button; 
27. import android.widget.ImageView; 
28. import android.widget.TextView; 
29. import android.widget.Toast; 
30. public class SystemMain extends Activity implements OnTouchListener { 
31.     private Button selectImgBtn; 
32.     private Button selectAlgBtn; 
33.     private Button aboutBtn; 
34.     private Button saveBtn; 
35.     private Button shotScrBtn; 
36.     private Button cameraBtn; 
37.     private TextView filepathView; 
38.     private TextView aboutView; 
39.     private OnClickListener seleImgBtnListener=null; 
40.     private OnClickListener seleAlgBtnListener=null; 
41.     private OnClickListener aboutBtnListener=null; 
42.     private OnClickListener saveBtnListener=null; 
43.     private OnClickListener shotScrBtnListener=null; 
44.     private OnClickListener cameraBtnListener=null; 
45.     private static int RESULT_LOAD_IMAGE = 123; 
46.     private static int SystemCapture=125; 
47.     private String picturePath=null; 
48.     private Bitmap myBitmap; 
49.     private Bitmap displayBitmap; 
50.     private Bitmap preBitmap; 
51.     private ImageView myImageView; 
52.     private ImageProcess myImageProcess=new ImageProcess(); 
53.     private static final String DYNAMICACTION_Broadcast = "Broadcast.njupt.zhb.selectAlg"; 
54.     float Touch_x1=0;float Touch_y1=0; 
55.     float Touch_x2=0;float Touch_y2=0; 
56.     @Override 
57.     public void onCreate(Bundle savedInstanceState) { 
58.         super.onCreate(savedInstanceState); 
59.         setTitle("ImageProcessing Made by ZhengHaibo"); 
60.         setContentView(R.layout.activity_system_main); 
61.         seleImgBtnListener= new View.OnClickListener() { 
62.             @Override 
63.             public void onClick(View arg0) { 
64.                 Intent i = new Intent( 
65.                         Intent.ACTION_PICK, 
66.                         android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI); 
67.                 startActivityForResult(i, RESULT_LOAD_IMAGE); 
68.             } 
69.         }; 
70.         seleAlgBtnListener=new OnClickListener() { 
71.             @Override 
72.             public void onClick(View v) { 
73.                 Intent intent=new Intent(SystemMain.this,SelectAlgActivity.class); 
74.                 startActivity(intent); 
75.             } 
76.         }; 
77.         saveBtnListener=new OnClickListener() { 
78.              
79.             @Override 
80.             public void onClick(View v) { 
81.                 // TODO Auto-generated method stub 
82.                 SaveBitmapToJpegFile(); 
83.             } 
84.         }; 
85.         aboutBtnListener=new OnClickListener() { 
86.              
87.             @Override 
88.             public void onClick(View v) { 
89.                 // TODO Auto-generated method stub 
90.                 Intent intent=new Intent(SystemMain.this,ActivityAbout.class); 
91.                 startActivity(intent); 
92.             } 
93.         }; 
94.         shotScrBtnListener=new OnClickListener() { 
95.              
96.             @Override 
97.             public void onClick(View v) { 
98.                 // TODO Auto-generated method stub 
99.                 preBitmap=myBitmap; 
100.                 myBitmap=ShotScreentoBitmap(null); 
101.                 ShowImage(myBitmap); 
102.             } 
103.         }; 
104.         cameraBtnListener=new OnClickListener() { 
105.              
106.             @Override 
107.             public void onClick(View v) { 
108.                 // TODO Auto-generated method stub 
109.                 Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);  
110.                 startActivityForResult(intent, SystemCapture);  
111.             } 
112.         }; 
113.         SetControl(); 
114.         ShowImage(null); 
115.     } 
116.     private void SetControl(){ 
117.         selectAlgBtn=(Button)findViewById(R.id.processBtn); 
118.         selectImgBtn=(Button)findViewById(R.id.SelectBtn); 
119.         saveBtn=(Button)findViewById(R.id.SaveBtn); 
120.         aboutBtn=(Button)findViewById(R.id.AboutBtn); 
121.         shotScrBtn=(Button)findViewById(R.id.ScreenShotBtn); 
122.         cameraBtn=(Button)findViewById(R.id.CameraBtn); 
123.         filepathView=(TextView)findViewById(R.id.ImagePath); 
124.         aboutView=(TextView)findViewById(R.id.AboutTextView); 
125.         myImageView=(ImageView)findViewById(R.id.imageshow); 
126.         selectAlgBtn.setOnClickListener(seleAlgBtnListener); 
127.         selectImgBtn.setOnClickListener(seleImgBtnListener); 
128.         saveBtn.setOnClickListener(saveBtnListener); 
129.         aboutBtn.setOnClickListener(aboutBtnListener); 
130.         shotScrBtn.setOnClickListener(shotScrBtnListener); 
131.         cameraBtn.setOnClickListener(cameraBtnListener); 
132.         myImageView.setOnTouchListener(this); 
133.         IntentFilter filter_dynamic = new IntentFilter(); 
134.         filter_dynamic.addAction(DYNAMICACTION_Broadcast); 
135.         registerReceiver(dynamicReceiver, filter_dynamic); 
136.     } 
137.     // 2 自定义动态广播接收器，内部类,接收选择的算法 
138.     private BroadcastReceiver dynamicReceiver = new BroadcastReceiver() { 
139.         @Override 
140.         public void onReceive(Context context, Intent intent) { 
141.             if(intent.getAction().equals(DYNAMICACTION_Broadcast)){ 
142.                 String seleFlag = intent.getStringExtra("selectFlag"); 
143.                 int ch=Integer.parseInt(seleFlag); 
144.                 switch(ch){ 
145.                 case 0: 
146.                     ShowImage(myImageProcess.brighten(10, myBitmap)); 
147.                     break; 
148.                 case 1: 
149.                     ShowImage(myImageProcess.averageFilter(3,3,myBitmap)); 
150.                     break; 
151.                 case 2: 
152.                     ShowImage(myImageProcess.averageFilter(3,3,myBitmap)); 
153.                     break; 
154.                 default: 
155.                 Toast.makeText(SystemMain.this, "Wrong!", Toast.LENGTH_SHORT).show(); 
156.                         break; 
157.                 } 
158.                 Toast.makeText(SystemMain.this, "Processing finished!", Toast.LENGTH_SHORT).show(); 
159.             } 
160.         } 
161.     }; 
162.     private Bitmap FilesToBitmap(String filename){ 
163.         Bitmap temp=null; 
164.         if(filename!=null){ 
165.             File imageFile = new File(filename); 
166.             if (imageFile.exists()) 
167.             { 
168.                 // Load the image from file 
169.                 temp = BitmapFactory.decodeFile(filename); 
170.             } 
171.              
172.         } 
173.         return temp; 
174.     } 
175.     public void ShowImage(Bitmap bitmap){ 
176.         if (bitmap!=null) { 
177.             myImageView.setImageBitmap(bitmap); 
178.             displayBitmap=bitmap; 
179.         } 
180.         else { 
181.            bitmap=BitmapFactory.decodeResource(getResources(), R.drawable.lenna); 
182.            myImageView.setImageBitmap(bitmap); 
183.            myBitmap=bitmap; 
184.            preBitmap=bitmap; 
185.            displayBitmap=bitmap; 
186.            picturePath=null; 
187.         } 
188.     } 
189.     @Override 
190.     protected void onActivityResult(int requestCode, int resultCode, Intent data) { 
191.         super.onActivityResult(requestCode, resultCode, data); 
192.   
193.         if (requestCode == RESULT_LOAD_IMAGE && resultCode == RESULT_OK && null != data) { 
194.             Uri selectedImage = data.getData(); 
195.             String[] filePathColumn = { MediaStore.Images.Media.DATA }; 
196.   
197.             Cursor cursor = getContentResolver().query(selectedImage, 
198.                     filePathColumn, null, null, null); 
199.             cursor.moveToFirst(); 
200.             int columnIndex = cursor.getColumnIndex(filePathColumn[0]); 
201.             picturePath = cursor.getString(columnIndex); 
202.             cursor.close(); 
203.             filepathView.setText(picturePath); 
204.             //imageView.setImageBitmap(BitmapFactory.decodeFile(picturePath)); 
205.             preBitmap=myBitmap; 
206.             myBitmap=FilesToBitmap(picturePath); 
207.             ShowImage(myBitmap); 
208.         } 
209.         if(requestCode==SystemCapture&&resultCode == RESULT_OK && null != data){ 
210.             preBitmap=myBitmap; 
211.             myBitmap = (Bitmap)data.getExtras().get("data");  
212.             ShowImage(myBitmap); 
213.         } 
214.     } 
215.     @Override 
216.     public boolean onCreateOptionsMenu(Menu menu) { 
217.         getMenuInflater().inflate(R.menu.activity_system_main, menu); 
218.         return true; 
219.     } 
220.     @Override 
221.     public boolean onTouch(View v, MotionEvent event) { 
222.         // TODO Auto-generated method stub 
223.         if(v.getId()==R.id.imageshow){ 
224.             if(event.getAction()==MotionEvent.ACTION_DOWN){ 
225.                 Touch_x1=event.getX(); 
226.                 Touch_y1=event.getY(); 
227.                 //String posString="pos=("+Touch_x1+","+Touch_y1+",)"; 
228.                 //Toast.makeText(SystemMain.this,posString,Toast.LENGTH_SHORT).show(); 
229.             } 
230.             if(event.getAction()==MotionEvent.ACTION_UP){ 
231.                 Touch_x2=event.getX(); 
232.                 Touch_y2=event.getY(); 
233.                 //String posString="pos=("+Touch_x2+","+Touch_y2+",)"; 
234.                 //Toast.makeText(SystemMain.this,posString,Toast.LENGTH_SHORT).show(); 
235.                 float temp_x=Math.abs(Touch_x1-Touch_x1); 
236.                 float temp_y=Math.abs(Touch_y1-Touch_y2); 
237.                 if (temp_x<=1&&temp_y<=1) {//视为没有移动 
238.                     LayoutParams para=myImageView.getLayoutParams(); 
239.                     if(para.height==LayoutParams.FILL_PARENT){ 
240.                         para.height=LayoutParams.WRAP_CONTENT; 
241.                     }else{ 
242.                         para.height=LayoutParams.FILL_PARENT; 
243.                     } 
244.                     myImageView.setLayoutParams(para); 
245.                 } 
246.                 if(temp_x>=temp_y){ 
247.                     if (Touch_x1>=Touch_x2) {//向左滑动 
248.                         //ShowImage(displayBitmap); 
249.                     } 
250.                     else{//向右滑动 
251.                         aboutView.setText("上一幅图像"); 
252.                         ShowImage(preBitmap); 
253.                     } 
254.                 } 
255.                 else{ 
256.                     if (Touch_y1>=Touch_y2) {//向上滑动 
257.                         aboutView.setText("Lenna图像"); 
258.                         ShowImage(null); 
259.                     } 
260.                     else{//向下滑动 
261.                         aboutView.setText("原图像"); 
262.                         ShowImage(myBitmap); 
263.                     } 
264.                 } 
265.             } 
266.         } 
267.         return true; 
268.     } 
269.     public void SaveBitmapToJpegFile(){ 
270.     try { 
271.         String outputPath=null; 
272.         if(picturePath==null){ 
273.             File outputDirectory = new File("/sdcard"); 
274.             String outputFile = "lennaFromSystem.jpg"; 
275.             outputPath = outputDirectory.toString() + "/" + outputFile; 
276.         } 
277.         else { 
278.             outputPath=picturePath; 
279.         } 
280.         int quality = 75; 
281.         FileOutputStream fileOutStr = new FileOutputStream(outputPath); 
282.         BufferedOutputStream bufOutStr = new BufferedOutputStream(fileOutStr); 
283.         displayBitmap.compress(CompressFormat.JPEG, quality, bufOutStr); 
284.         bufOutStr.flush(); bufOutStr.close(); 
285.         String tips="file have save as:"+outputPath; 
286.         Toast.makeText(SystemMain.this,tips,Toast.LENGTH_SHORT).show(); 
287.         aboutView.setText(tips); 
288.         } 
289.         catch (FileNotFoundException exception) 
290.         {    
291.             Toast.makeText(SystemMain.this,exception.toString(), Toast.LENGTH_SHORT).show(); 
292.             //Log.e("debug_log", exception.toString()); 
293.         } catch (IOException e) { 
294.             // TODO Auto-generated catch block 
295.             e.printStackTrace(); 
296.         } 
297.     } 
298.     private Bitmap ShotScreentoBitmap(Activity activity) { 
299.         Bitmap resultBitmap=null; 
300.         //View是你需要截图的View 
301.         if (activity==null) { 
302.             activity=(Activity)this; 
303.         } 
304.         View view = activity.getWindow().getDecorView();  
305.         view.setDrawingCacheEnabled(true);  
306.         view.buildDrawingCache();  
307.         resultBitmap = view.getDrawingCache();  
308.             
309.         //获取状态栏高度  
310.         Rect frame = new Rect();    
311.         activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);    
312.         int statusBarHeight = frame.top;    
313.         System.out.println(statusBarHeight);  
314.             
315.         //获取屏幕长和高  
316.         int width = activity.getWindowManager().getDefaultDisplay().getWidth();    
317.         int height = activity.getWindowManager().getDefaultDisplay().getHeight();    
318.         Bitmap b = Bitmap.createBitmap(resultBitmap, 0, statusBarHeight, width, height - statusBarHeight);  
319.         view.destroyDrawingCache();  
320.         return b; 
321.     } 
322. } 

package com.example.njupt.zhb.imageprocesssystem;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Bitmap.CompressFormat;
import android.graphics.Rect;
import android.view.Menu;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnTouchListener;
import android.view.ViewGroup.LayoutParams;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
public class SystemMain extends Activity implements OnTouchListener {
    private Button selectImgBtn;
    private Button selectAlgBtn;
    private Button aboutBtn;
    private Button saveBtn;
    private Button shotScrBtn;
    private Button cameraBtn;
    private TextView filepathView;
    private TextView aboutView;
    private OnClickListener seleImgBtnListener=null;
    private OnClickListener seleAlgBtnListener=null;
    private OnClickListener aboutBtnListener=null;
    private OnClickListener saveBtnListener=null;
    private OnClickListener shotScrBtnListener=null;
    private OnClickListener cameraBtnListener=null;
    private static int RESULT_LOAD_IMAGE = 123;
    private static int SystemCapture=125;
    private String picturePath=null;
    private Bitmap myBitmap;
    private Bitmap displayBitmap;
    private Bitmap preBitmap;
    private ImageView myImageView;
    private ImageProcess myImageProcess=new ImageProcess();
    private static final String DYNAMICACTION_Broadcast = "Broadcast.njupt.zhb.selectAlg";
	float Touch_x1=0;float Touch_y1=0;
	float Touch_x2=0;float Touch_y2=0;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setTitle("ImageProcessing Made by ZhengHaibo");
        setContentView(R.layout.activity_system_main);
        seleImgBtnListener= new View.OnClickListener() {
            @Override
            public void onClick(View arg0) {
                Intent i = new Intent(
                        Intent.ACTION_PICK,
                        android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
                startActivityForResult(i, RESULT_LOAD_IMAGE);
            }
        };
        seleAlgBtnListener=new OnClickListener() {
			@Override
			public void onClick(View v) {
				Intent intent=new Intent(SystemMain.this,SelectAlgActivity.class);
				startActivity(intent);
			}
		};
		saveBtnListener=new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				SaveBitmapToJpegFile();
			}
		};
		aboutBtnListener=new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				Intent intent=new Intent(SystemMain.this,ActivityAbout.class);
				startActivity(intent);
			}
		};
		shotScrBtnListener=new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				preBitmap=myBitmap;
				myBitmap=ShotScreentoBitmap(null);
				ShowImage(myBitmap);
			}
		};
		cameraBtnListener=new OnClickListener() {
			
			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); 
				startActivityForResult(intent, SystemCapture); 
			}
		};
		SetControl();
		ShowImage(null);
    }
    private void SetControl(){
    	selectAlgBtn=(Button)findViewById(R.id.processBtn);
    	selectImgBtn=(Button)findViewById(R.id.SelectBtn);
    	saveBtn=(Button)findViewById(R.id.SaveBtn);
    	aboutBtn=(Button)findViewById(R.id.AboutBtn);
    	shotScrBtn=(Button)findViewById(R.id.ScreenShotBtn);
    	cameraBtn=(Button)findViewById(R.id.CameraBtn);
    	filepathView=(TextView)findViewById(R.id.ImagePath);
    	aboutView=(TextView)findViewById(R.id.AboutTextView);
    	myImageView=(ImageView)findViewById(R.id.imageshow);
    	selectAlgBtn.setOnClickListener(seleAlgBtnListener);
    	selectImgBtn.setOnClickListener(seleImgBtnListener);
    	saveBtn.setOnClickListener(saveBtnListener);
    	aboutBtn.setOnClickListener(aboutBtnListener);
    	shotScrBtn.setOnClickListener(shotScrBtnListener);
    	cameraBtn.setOnClickListener(cameraBtnListener);
    	myImageView.setOnTouchListener(this);
		IntentFilter filter_dynamic = new IntentFilter();
		filter_dynamic.addAction(DYNAMICACTION_Broadcast);
		registerReceiver(dynamicReceiver, filter_dynamic);
    }
    // 2 自定义动态广播接收器，内部类,接收选择的算法
  	private BroadcastReceiver dynamicReceiver = new BroadcastReceiver() {
  		@Override
  		public void onReceive(Context context, Intent intent) {
  			if(intent.getAction().equals(DYNAMICACTION_Broadcast)){
  				String seleFlag = intent.getStringExtra("selectFlag");
                int ch=Integer.parseInt(seleFlag);
                switch(ch){
                case 0:
                	ShowImage(myImageProcess.brighten(10, myBitmap));
                	break;
                case 1:
                	ShowImage(myImageProcess.averageFilter(3,3,myBitmap));
                	break;
                case 2:
                	ShowImage(myImageProcess.averageFilter(3,3,myBitmap));
                	break;
                default:
                Toast.makeText(SystemMain.this, "Wrong!", Toast.LENGTH_SHORT).show();
                		break;
                }
                Toast.makeText(SystemMain.this, "Processing finished!", Toast.LENGTH_SHORT).show();
  			}
  		}
  	};
    private Bitmap FilesToBitmap(String filename){
    	Bitmap temp=null;
    	if(filename!=null){
        	File imageFile = new File(filename);
            if (imageFile.exists())
            {
            	// Load the image from file
            	temp = BitmapFactory.decodeFile(filename);
            }
        	
    	}
    	return temp;
    }
    public void ShowImage(Bitmap bitmap){
    	if (bitmap!=null) {
    		myImageView.setImageBitmap(bitmap);
    		displayBitmap=bitmap;
		}
    	else {
		   bitmap=BitmapFactory.decodeResource(getResources(), R.drawable.lenna);
		   myImageView.setImageBitmap(bitmap);
		   myBitmap=bitmap;
		   preBitmap=bitmap;
		   displayBitmap=bitmap;
		   picturePath=null;
		}
    }
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
 
        if (requestCode == RESULT_LOAD_IMAGE && resultCode == RESULT_OK && null != data) {
            Uri selectedImage = data.getData();
            String[] filePathColumn = { MediaStore.Images.Media.DATA };
 
            Cursor cursor = getContentResolver().query(selectedImage,
                    filePathColumn, null, null, null);
            cursor.moveToFirst();
            int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
            picturePath = cursor.getString(columnIndex);
            cursor.close();
            filepathView.setText(picturePath);
            //imageView.setImageBitmap(BitmapFactory.decodeFile(picturePath));
            preBitmap=myBitmap;
            myBitmap=FilesToBitmap(picturePath);
            ShowImage(myBitmap);
        }
        if(requestCode==SystemCapture&&resultCode == RESULT_OK && null != data){
        	preBitmap=myBitmap;
        	myBitmap = (Bitmap)data.getExtras().get("data"); 
        	ShowImage(myBitmap);
        }
    }
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.activity_system_main, menu);
        return true;
    }
	@Override
	public boolean onTouch(View v, MotionEvent event) {
		// TODO Auto-generated method stub
		if(v.getId()==R.id.imageshow){
			if(event.getAction()==MotionEvent.ACTION_DOWN){
				Touch_x1=event.getX();
				Touch_y1=event.getY();
				//String posString="pos=("+Touch_x1+","+Touch_y1+",)";
				//Toast.makeText(SystemMain.this,posString,Toast.LENGTH_SHORT).show();
			}
			if(event.getAction()==MotionEvent.ACTION_UP){
				Touch_x2=event.getX();
				Touch_y2=event.getY();
				//String posString="pos=("+Touch_x2+","+Touch_y2+",)";
				//Toast.makeText(SystemMain.this,posString,Toast.LENGTH_SHORT).show();
				float temp_x=Math.abs(Touch_x1-Touch_x1);
				float temp_y=Math.abs(Touch_y1-Touch_y2);
				if (temp_x<=1&&temp_y<=1) {//视为没有移动
					LayoutParams para=myImageView.getLayoutParams();
					if(para.height==LayoutParams.FILL_PARENT){
						para.height=LayoutParams.WRAP_CONTENT;
					}else{
						para.height=LayoutParams.FILL_PARENT;
					}
					myImageView.setLayoutParams(para);
				}
				if(temp_x>=temp_y){
					if (Touch_x1>=Touch_x2) {//向左滑动
						//ShowImage(displayBitmap);
					}
					else{//向右滑动
						aboutView.setText("上一幅图像");
						ShowImage(preBitmap);
					}
				}
				else{
					if (Touch_y1>=Touch_y2) {//向上滑动
						aboutView.setText("Lenna图像");
						ShowImage(null);
					}
					else{//向下滑动
						aboutView.setText("原图像");
						ShowImage(myBitmap);
					}
				}
			}
		}
		return true;
	}
	public void SaveBitmapToJpegFile(){
	try {
		String outputPath=null;
		if(picturePath==null){
			File outputDirectory = new File("/sdcard");
			String outputFile = "lennaFromSystem.jpg";
			outputPath = outputDirectory.toString() + "/" + outputFile;
		}
		else {
			outputPath=picturePath;
		}
		int quality = 75;
		FileOutputStream fileOutStr = new FileOutputStream(outputPath);
		BufferedOutputStream bufOutStr = new BufferedOutputStream(fileOutStr);
		displayBitmap.compress(CompressFormat.JPEG, quality, bufOutStr);
		bufOutStr.flush(); bufOutStr.close();
		String tips="file have save as:"+outputPath;
		Toast.makeText(SystemMain.this,tips,Toast.LENGTH_SHORT).show();
		aboutView.setText(tips);
		}
		catch (FileNotFoundException exception)
		{   
			Toast.makeText(SystemMain.this,exception.toString(), Toast.LENGTH_SHORT).show();
			//Log.e("debug_log", exception.toString());
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	private Bitmap ShotScreentoBitmap(Activity activity) {
		Bitmap resultBitmap=null;
		//View是你需要截图的View
		if (activity==null) {
			activity=(Activity)this;
		}
        View view = activity.getWindow().getDecorView(); 
        view.setDrawingCacheEnabled(true); 
        view.buildDrawingCache(); 
        resultBitmap = view.getDrawingCache(); 
           
        //获取状态栏高度 
        Rect frame = new Rect();   
        activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);   
        int statusBarHeight = frame.top;   
        System.out.println(statusBarHeight); 
           
        //获取屏幕长和高 
        int width = activity.getWindowManager().getDefaultDisplay().getWidth();   
        int height = activity.getWindowManager().getDefaultDisplay().getHeight();   
        Bitmap b = Bitmap.createBitmap(resultBitmap, 0, statusBarHeight, width, height - statusBarHeight); 
        view.destroyDrawingCache(); 
		return b;
	}
}

源代码下载地址：（http://download.youkuaiyun.com/detail/nuptboyzhb/4494401）

转载请声明：http://write.blog.youkuaiyun.com/postedit/7857366