change activity by finger sliding in android

download: http://www.mediafire.com/?19o1l2i527cvw1b

android web services

http://www.mediafire.com/?u2u8s6s2gamjp6l

grid vew in ListView

download: http://www.mediafire.com/?us2oa4vcvav726a

main.xml
-----------------

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/hello" />
 
    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text=" " />

    <ListView
        android:id="@android:id/list"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent" >
    </ListView>

</LinearLayout>


list_item.xml
------------------------

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <TextView
        android:id="@+id/textView1"
        android:layout_width="fill_parent"
        android:layout_height="50dp"
        android:text="a" />
 
    <GridView
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:id="@+id/myGrid"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:background="@color/Black"
        android:columnWidth="60dp"
        android:gravity="center"
        android:horizontalSpacing="5dp"
        android:numColumns="auto_fit"
        android:padding="1dp"
        android:stretchMode="columnWidth"
        android:verticalSpacing="5dp" >
    </GridView>

 
</LinearLayout>


grid_item.xml
-------------------------

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:padding="5dp"
    android:orientation="vertical" >

    <ImageView
        android:id="@+id/grid_item_image"
        android:layout_width="50px"
        android:layout_height="50px"
        android:layout_marginRight="10px"
        android:src="@drawable/ic_launcher" >
    </ImageView>

    <TextView
        android:id="@+id/grid_item_label"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@+id/label"
        android:layout_marginTop="5px"
        android:textSize="15px" >
    </TextView>

</LinearLayout>


values/country.xml
---------------------------------

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <string-array name="countries_array">
       
        <item name="bangladesh">bangladesh</item>
        <item name="usa">usa</item>
        <item name="russia">russia</item>
        <item name="england">england</item>
        <item name="japan">japan</item>
        <item name="korea">korea</item>
        <item name="china">china</item>
       
    </string-array>
</resources>




MainActivity.java
----------------------------------

package home.ListViewBaseAdapter;

import android.app.ListActivity;
import android.os.Bundle;
import android.util.Log;
import android.widget.ListView;

public class MainActivity extends ListActivity
{
    String[] countries;
    int c=0;
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
   
        countries = getResources().getStringArray(R.array.countries_array);
   
        //Toast.makeText(this,"Main class",Toast.LENGTH_LONG).show();
        Log.d("------------main class-----------", "start");
        setListAdapter(new MyListAdapter(this,android.R.layout.simple_list_item_1,R.id.textView1,countries));

        //Toast.makeText(this,"end of Main class",Toast.LENGTH_LONG).show();
        Log.d("------------main class-----------", "end");
   
        ListView listView = getListView();//getListView() from ListActivity //public class ListView
   
        listView.setTextFilterEnabled(true);

   
   
    }
}


MyListAdapter.java
---------------------------------

package home.ListViewBaseAdapter;
import android.content.Context;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

public class MyListAdapter extends ArrayAdapter<String> {
    Context context;

    Integer resource, textViewResourceId;

    String[] strings;
 
    GridView myGrid;
    ImageView imageViewCityImage;
    ImageAdapter imageAdapter;
 
    static final String[] MOBILE_OS = new String[] { "Android", "iOS",
        "Windows", "Blackberry" };

    int c = 0;

    public MyListAdapter(Context _context, int _resource, int _textViewResourceId,
            String[] _strings) {
        super(_context, _resource, _textViewResourceId, _strings);

        context = _context;
        resource = _resource;
        textViewResourceId = _textViewResourceId;
        strings = _strings;

        // Toast.makeText(Main.this,"getView() row="+c,Toast.LENGTH_LONG).show();

    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {

        c++;
        // Toast.makeText(Main.this,"getView() c="+c,Toast.LENGTH_LONG).show();
        Log.d("------------getView()-----------c=" + c, "c=" + c);
        LayoutInflater inflater = (LayoutInflater) context
                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);

        View row = inflater.inflate(R.layout.list_item, parent, false);

        String[] items = context.getResources().getStringArray(
                R.array.countries_array);

        TextView tv = (TextView) row.findViewById(R.id.textView1);
        myGrid=(GridView) row.findViewById(R.id.myGrid);

        tv.setText(items[position]);
     
     
        myGrid.setAdapter(imageAdapter=new ImageAdapter(context, MOBILE_OS) );

        tv.setOnClickListener(new OnClickListener() {

            public void onClick(View v) {
                Toast.makeText(context.getApplicationContext(),
                        ((TextView) v).getText(), Toast.LENGTH_SHORT).show();
            }
        });

        Log.d("------------row=-----------" + row, "row=" + row);

        return row;
    }

}






ImageAdapter.java
---------------------------------------

package home.ListViewBaseAdapter;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;

public class ImageAdapter extends BaseAdapter
{
    private Context context;
    private final String[] mobileValues;

    public ImageAdapter(Context context, String[] mobileValues)
    {
        this.context = context;
        this.mobileValues = mobileValues;
    }

    public View getView(int position, View convertView, ViewGroup parent)
    {

        LayoutInflater inflater = (LayoutInflater) context
                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);

        View gridView;

        if (convertView == null) {

            gridView = new View(context);

            // get layout from mobile.xml
            gridView = inflater.inflate(R.layout.grid_item, null);

            // set value into textview
            TextView textView = (TextView) gridView
                    .findViewById(R.id.grid_item_label);
            textView.setText(mobileValues[position]);

            // set image based on selected text
            ImageView imageView = (ImageView) gridView
                    .findViewById(R.id.grid_item_image);

            String mobile = mobileValues[position];

            if (mobile.equals("Windows")) {
                imageView.setImageResource(R.drawable.windows_logo);
            } else if (mobile.equals("iOS")) {
                imageView.setImageResource(R.drawable.ios_logo);
            } else if (mobile.equals("Blackberry")) {
                imageView.setImageResource(R.drawable.blackberry_logo);
            } else {
                imageView.setImageResource(R.drawable.android_logo);
            }

        } else {
            gridView = (View) convertView;
        }

        return gridView;
    }

    @Override
    public int getCount() {
        return mobileValues.length;
    }

    @Override
    public Object getItem(int position) {
        return null;
    }

    @Override
    public long getItemId(int position) {
        return 0;
    }

}

show data from mysql in android

download: http://www.mediafire.com/?e498o8m1em423bk


index.php

--------------------------

<?php
$con = mysql_connect("localhost","root","");
if (!$con)
  {
  die('Could not connect: ' . mysql_error());
  }


mysql_select_db("Deal", $con);


$result = mysql_query("SELECT * FROM city");


while($row = mysql_fetch_assoc($result))


  $output[]=$row;


print(json_encode($output)) ;
mysql_close($con);
?

City.java

---------------------

package com.androidtutorialbd.blogspot;

import java.io.BufferedReader;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.util.ArrayList;

import java.util.List;

import org.apache.http.HttpEntity;

import org.apache.http.HttpResponse;

import org.apache.http.client.HttpClient;

import org.apache.http.client.entity.UrlEncodedFormEntity;

import org.apache.http.client.methods.HttpPost;

import org.apache.http.impl.client.DefaultHttpClient;

import org.json.JSONArray;

import org.json.JSONException;

import org.json.JSONObject;

import android.app.Activity;

import android.net.ParseException;

import android.os.Bundle;

import android.util.Log;

import android.widget.Toast;

public class City extends Activity 

{

    @Override

    public void onCreate(Bundle savedInstanceState) 

    {

        super.onCreate(savedInstanceState);

        String result = null;

        InputStream is = null;

        StringBuilder sb = null;

        ArrayList nameValuePairs = new ArrayList();

        List r = new ArrayList();

        String city_name;

        Integer city_id;

        try 

        {

            // http post

            HttpClient httpclient = new DefaultHttpClient();

            HttpPost httppost = new HttpPost("http://192.168.1.244/sessionExample/");

            httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));

            HttpResponse response = httpclient.execute(httppost);

            HttpEntity entity = response.getEntity();

            is = entity.getContent();

        } 

        catch (Exception e) 

        {

            Toast.makeText(getBaseContext(), e.toString(), Toast.LENGTH_LONG)

                    .show();

        }

        

        // Convert response to string

        try {

            BufferedReader reader = new BufferedReader(new InputStreamReader(

                    is, "UTF-8"));

            sb = new StringBuilder();

            String line = null;

            while ((line = reader.readLine()) != null) {

                sb.append(line + "\n");

            }

            is.close();

            result = sb.toString();

        } 

        catch (Exception e) 

        {

            Toast.makeText(getBaseContext(), e.toString(), Toast.LENGTH_LONG)

                    .show();

        }

        // END Convert response to string

        

        

        try 

        {

            JSONArray jArray = new JSONArray(result);

            JSONObject json_data = null;

            for (int i = 0; i < jArray.length(); i++) 

            {

                json_data = jArray.getJSONObject(i);

                //r.add(json_data.getString("CITY_NAME"));

                

                city_id=json_data.getInt("CITY_ID");

                city_name=json_data.getString("CITY_NAME");

                

                //Log.d("-----"+json_data.getString("CITY_NAME")+"------", " " );

                Log.d("-------"+"city_id="+city_id.toString()+" "+"CITY_NAME="+city_name+"-------", " ");

            }

            /*setListAdapter(new ArrayAdapter(this,

                    android.R.layout.simple_expandable_list_item_1, r)); */

        }

        catch (JSONException e1)

        {

            Toast.makeText(getBaseContext(), e1.toString(), Toast.LENGTH_LONG)

                    .show();

        } 

        catch (ParseException e1)

        {

            Toast.makeText(getBaseContext(), e1.toString(), Toast.LENGTH_LONG)

                    .show();

        }

    }

}

AndroidManifest.xml

------------------------------

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.androidtutorialbd.blogspot"
    android:versionCode="1"
    android:versionName="1.0" >


    <uses-sdk android:minSdkVersion="8" />
    <uses-permission android:name="android.permission.INTERNET"></uses-permission>


    <application
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name" >
        <activity
            android:name=".City"
            android:label="@string/app_name" >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />


                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>


</manifest>

change background color in openGL in android

package home.backGroundColorChange;

import java.util.Random;

import javax.microedition.khronos.egl.EGLConfig;
import javax.microedition.khronos.opengles.GL10;

import android.app.Activity;
import android.content.Context;
import android.opengl.GLSurfaceView;
import android.os.Bundle;
import android.util.Log;
import android.view.MotionEvent;


public class ClearActivity extends Activity
{
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        mGLView = new ClearGLSurfaceView(this);
       
        setContentView(mGLView);
    }

    @Override
    protected void onPause() {
        super.onPause();
        mGLView.onPause();
    }

    @Override
    protected void onResume() {
        super.onResume();
        mGLView.onResume();
    }

    private GLSurfaceView mGLView;
}


class ClearGLSurfaceView extends GLSurfaceView
{
    ClearRenderer mRenderer;
   
    public ClearGLSurfaceView(Context context)
    {
        super(context);
        mRenderer = new ClearRenderer();
        setRenderer(mRenderer);
    }

    public boolean onTouchEvent(final MotionEvent event)
    {
        final Float blue_color=this.genarate_random_number();
        queueEvent(new Runnable()
                                {
                                    public void run()
                                    {
                                        mRenderer.setColor(event.getX() / getWidth(),
                                                event.getY() / getHeight(), blue_color);
                                    }
                                }  
                 );
       
        Log.d("getWidth="+getWidth()+" "+"getHeight="+getHeight()+"event.getX="+event.getX()+" "+"event.getY="+event.getY()+" ","blueColor="+blue_color);
            return true;
    }
   
    public float genarate_random_number()
    {
        Random rand = new Random();
       
       
        float pick = rand.nextFloat();
       
        return pick;
    }

}


class ClearRenderer implements GLSurfaceView.Renderer
{
    private float mRed;
    private float mGreen;
    private float mBlue;
    public void onSurfaceCreated(GL10 gl, EGLConfig config) {
        // Do nothing special.
    }

    public void onSurfaceChanged(GL10 gl, int w, int h) {
        gl.glViewport(0, 0, w, h);
    }

    public void onDrawFrame(GL10 gl) {
        gl.glClearColor(mRed, mGreen, mBlue, 0.0f);
        gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT);
    }

    public void setColor(float r, float g, float b)
    {
        mRed = r;
        mGreen = g;
        mBlue = b;
    }

}

generate random number in java / android

 import java.util.Random;
 public class RandomTest
 {

  public static void main(String[] args)
 {
    Random rand = new Random();

    for(int i=0;i<10;i++)
  {
      float pick = rand.nextFloat(); // random between 0.0 to 1.0
      System.out.println(pick);
  }
  }

  Random rand = new Random();
 }

////////////////////////////////////////////////////////////

 import java.util.Random;
 public class RandomTest
 {

   public static void main(String[] args)
  {
     Random rand = new Random(20071969);

     for(int i=0;i<10;i++)
   {
       int pick = rand.nextInt(10);

       System.out.println(pick);

   }
   }

   Random rand = new Random();
 }

android openGL touch events

HelloOpenGLES10.java
---------------------------------------------

package com.example.android.apis.graphics;

import android.app.Activity;
import android.content.Context;
import android.opengl.GLSurfaceView;
import android.os.Bundle;
import android.view.MotionEvent;

public class HelloOpenGLES10 extends Activity
{
    private GLSurfaceView mGLView;
 
 

    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        // Create a GLSurfaceView instance and set it
        // as the ContentView for this Activity.
        mGLView = new HelloOpenGLES10SurfaceView(this);
        setContentView(mGLView);
    }
 
    @Override
    protected void onPause()
    {
        super.onPause();
        mGLView.onPause();
    }
 
    @Override
    protected void onResume()
    {
        super.onResume();
        // The following call resumes a paused rendering thread.
        // If you de-allocated graphic objects for onPause()
        // this is a good place to re-allocate them.
        mGLView.onResume();
    }
}

class HelloOpenGLES10SurfaceView extends GLSurfaceView
{
    private final float TOUCH_SCALE_FACTOR = 180.0f / 320;
    private HelloOpenGLES10Renderer mRenderer;
    private float mPreviousX;
    private float mPreviousY;

    public HelloOpenGLES10SurfaceView(Context context){
        super(context);
        // set the mRenderer member
        mRenderer = new HelloOpenGLES10Renderer();
        setRenderer(mRenderer);
     
        // Render the view only when there is a change
        setRenderMode(GLSurfaceView.RENDERMODE_WHEN_DIRTY);
    }
 
    @Override
    public boolean onTouchEvent(MotionEvent e) {
        // MotionEvent reports input details from the touch screen
        // and other input controls. In this case, you are only
        // interested in events where the touch position changed.

        float x = e.getX();
        float y = e.getY();
     
        switch (e.getAction()) {
            case MotionEvent.ACTION_MOVE:
 
                float dx = x - mPreviousX;
                float dy = y - mPreviousY;
 
                // reverse direction of rotation above the mid-line
                if (y > getHeight() / 2) {
                  dx = dx * -1 ;
                }
 
                // reverse direction of rotation to left of the mid-line
                if (x < getWidth() / 2) {
                  dy = dy * -1 ;
                }
           
                mRenderer.mAngle += (dx + dy) * TOUCH_SCALE_FACTOR;
                requestRender();
        }

        mPreviousX = x;
        mPreviousY = y;
        return true;
    }
}



HelloOpenGLES10Renderer.java
-----------------------------------------------------

package com.example.android.apis.graphics;

import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.FloatBuffer;

import javax.microedition.khronos.egl.EGLConfig;
import javax.microedition.khronos.opengles.GL10;

import android.opengl.GLSurfaceView;
import android.opengl.GLU;

public class HelloOpenGLES10Renderer implements GLSurfaceView.Renderer {
    private FloatBuffer triangleVB;
    public float mAngle;
 
    public void onSurfaceCreated(GL10 gl, EGLConfig config)
    {
        // Set the background frame color
        gl.glClearColor(0.1f, 0.5f, 0.5f, 1.0f);
     
     // Enable use of vertex arrays
        gl.glEnableClientState(GL10.GL_VERTEX_ARRAY);
    }

    public void onDrawFrame(GL10 gl) {
        // Redraw background color
        gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT);
     
     // Set GL_MODELVIEW transformation mode
        gl.glMatrixMode(GL10.GL_MODELVIEW);
        gl.glLoadIdentity();                      // reset the matrix to its default state

        // When using GL_MODELVIEW, you must set the camera view
        GLU.gluLookAt(gl, 0, 0, -5, 0f, 0f, 0f, 0f, 1.0f, 0.0f);
     
     // Create a rotation for the triangle
        //long time = SystemClock.uptimeMillis() % 4000L;
        //float angle = 0.090f * ((int) time);
        gl.glRotatef(mAngle, 0.0f, 0.0f, 1.0f);  
     
        // initialize the triangle vertex array
        initShapes();
     
     // Draw the triangle
        gl.glColor4f(0.63671875f, 0.76953125f, 0.22265625f, 0.0f);
        gl.glVertexPointer(3, GL10.GL_FLOAT, 0, triangleVB);
        gl.glDrawArrays(GL10.GL_TRIANGLES, 0, 3);
    }

    public void onSurfaceChanged(GL10 gl, int width, int height)
    {
        gl.glViewport(0, 0, width, height);
     
        gl.glViewport(0, 0, width, height);
     
        // make adjustments for screen ratio
        float ratio = (float) width / height;
        gl.glMatrixMode(GL10.GL_PROJECTION);        // set matrix to projection mode
        gl.glLoadIdentity();                        // reset the matrix to its default state
        gl.glFrustumf(-ratio, ratio, -1, 1, 3, 7);  // apply the projection matrix
    }

    private void initShapes()
    {

        float triangleCoords[] = {
                // X, Y, Z
                -0.5f, -0.25f, 0,
                0.5f, -0.25f, 0,
                0.0f, 0.559016994f, 0
                                    };

        // initialize vertex Buffer for triangle
        ByteBuffer vbb = ByteBuffer.allocateDirect(
        // (# of coordinate values * 4 bytes per float)
                triangleCoords.length * 4);
        vbb.order(ByteOrder.nativeOrder());// use the device hardware's native
                                           // byte order
        triangleVB = vbb.asFloatBuffer(); // create a floating point buffer from
                                          // the ByteBuffer
        triangleVB.put(triangleCoords); // add the coordinates to the
                                        // FloatBuffer
        triangleVB.position(0); // set the buffer to read the first coordinate

    }

}