Changeset 13996

Timestamp:

11/21/12 17:20:36 (12 years ago)

Author:

ltnguyen

Message:

New java files create map selection activities, and read external files

Location:

issm/trunk-jpl/src/android/ISSM/src/com/example/issm

Files:

• ISSM.java (modified) (3 diffs)
• IssmJni.java (modified) (1 diff)
• MapSelection.java (added)

issm/trunk-jpl/src/android/ISSM/src/com/example/issm/ISSM.java ¶

@@ -1 +1 @@
 package com.example.issm;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.nio.DoubleBuffer;
 
 import android.os.Bundle;
 import android.app.Activity;
+import android.content.res.AssetManager;
 import android.text.TextUtils;
 import android.view.Menu;
@@ -12 +19 @@
 
 
-public class ISSM extends Activity implements OnClickListener {
+public class ISSM extends Activity implements OnClickListener 
+{
         private EditText input;
         private TextView output;
+        private DoubleBuffer buff;
+        private IssmJni issmNative;
+        private String mapName;
+        private String textinFile;
+        private String actualinput;
     @Override
+  //------------------------------------------------------------------------------------------------    
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        Bundle map = getIntent().getExtras();
+        {
+                if(map!= null)
+                {
+                        mapName = map.getString("map");
+                }
+        }
         setContentView(R.layout.activity_issm);
         this.input  = (EditText) super.findViewById(R.id.input);
@@ -23 +44 @@
         Button button = (Button) super.findViewById(R.id.button1);
         button.setOnClickListener(this);
+        this.readFile(mapName);
         
+        //load up the ISSM library and create double buffer in java
+        //which later on will be pass for native allocation.
+        issmNative = new IssmJni();
+        buff = ByteBuffer.allocateDirect(15*8).order(ByteOrder.nativeOrder()).asDoubleBuffer();
+        this.createModel("Model");
     }
-    
-        public void onClick(View view) 
+//------------------------------------------------------------------------------------------------    
+    public void createModel(String Model)
+    {
+        issmNative.initialize();
+    }
+//------------------------------------------------------------------------------------------------
+    public void readFile(String mapName)
+    {
+        AssetManager am = getAssets();
+        String mapNameFile = "Map/"+mapName+".txt";
+        try {
+                        InputStream is = am.open(mapNameFile);
+                        int size = is.available();
+                        byte[]buffer = new byte[size];
+                        is.read(buffer);
+                        is.close();
+                        
+                        textinFile = new String(buffer);
+                        
+                        //testing on actual file
+                        InputStream is1 = am.open("Map/test102.petsc");
+                        int size1 = is1.available();
+                        byte[]buffer1 = new byte[size1];
+                        is1.read(buffer1);
+                        System.out.println(buffer1);
+                        is1.close();
+                        actualinput = new String(buffer1);
+                } catch (IOException e) {
+                        // TODO Auto-generated catch block
+                        e.printStackTrace();
+                }
+    }
+//------------------------------------------------------------------------------------------------
+    public void fillBuffer()
+    {
+        issmNative.processBuffer(buff);
+    }
+ //------------------------------------------------------------------------------------------------   
+    public void onClick(View view) 
         {
-                // TODO Auto-generated method stub
+                //factorial method
                 String input = this.input.getText().toString();
                 if(TextUtils.isEmpty(input))
                 {
                         return;
-                }
-                long result = IssmJni.facIterative(Long.parseLong(input));
-                this.output.setText("Result = " + result + "\n");
+                }               
+                long resultfromFac = issmNative.fac(Long.parseLong(input));
+                //example of how to fill buffer Native
+                this.fillBuffer();
+                
+                //print result from fac and the first two slot of filled buffer.
+                this.output.setText("Result = " + resultfromFac + "\n" 
+                                                                                + "First two slot from buffer:\n" 
+                                                                                + buff.get(1) + "          " + buff.get(2) 
+                                                                                + "\nmap name = " + mapName
+                                                                                + "\nTxtFile    " + textinFile
+                                                                                +"\nactualFile   " + actualinput);
+
         }
 }

issm/trunk-jpl/src/android/ISSM/src/com/example/issm/IssmJni.java ¶

@@ -1 +1 @@
 package com.example.issm;
+import java.nio.DoubleBuffer;
 
-public class IssmJni
+class IssmJni
 {
-        public static native long fac(long n);
-        static {
+        public native long fac(long n);
+        public native void processBuffer(DoubleBuffer buff);
+        public native void initialize();
+        static 
+        {
         System.loadLibrary("IssmJni");
     }
-        public static long facIterative(long n)
-        {
-                return fac(n);
-        }
 }