Ultra-Android by prakash

Sunday, June 15, 2014

REVOLUTION TO DEFEAT RUBIK'S CUBE

REVOLUTION TO DEFEAT RUBIK'S CUBE

JOIN OUR REVOLUTION TO DEFEAT CUBE WITH OUR SOME TECHNIQUES AND FOR IT WE HAVE TO SHARE OUR IDEAS.
INTERESTED PEOPLES ARE WELCOMES.
COMING SOON .....
GO AHEAD.
prakashujjwal1010@gmail.com
prakash1010ujjwal@gmail.com

ANDROID DRAG AND DROP EXAMPLE

ANDROID DRAG AND DROP EXAMPLE

STRINGS-

<?xml version="1.0" encoding="utf-8"?>
<resources>

    <string name="app_name">DragNDropDemo</string>
    <string name="action_settings">Settings</string>
    <string name="hello_world">Hello world!</string>
    <string name="drag_drop">Click on the image to drag and drop</string>
   
</resources>

LAYOUT-

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/container"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >
 
    <ImageView
  android:id="@+id/iv_logo" 
     android:layout_width="wrap_content" 
     android:layout_height="wrap_content"
     android:src="@drawable/logo"
     android:contentDescription="@string/drag_drop"  />
    
</RelativeLayout>

JAVA-

package com.example.dragndropdemo;

import android.os.Bundle;
import android.app.Activity;
import android.content.ClipData;
import android.content.ClipDescription;
import android.util.Log;
import android.view.DragEvent;
import android.view.View;
import android.view.View.DragShadowBuilder;
import android.view.View.OnDragListener;
import android.widget.*;

public class MainActivity extends Activity{
   ImageView ima;
   private static final String IMAGEVIEW_TAG = "Android Logo";
   String msg;

   private android.widget.RelativeLayout.LayoutParams layoutParams;

   @Override
   public void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);

      ima = (ImageView)findViewById(R.id.iv_logo);
      // Sets the tag
      ima.setTag(IMAGEVIEW_TAG);

      ima.setOnLongClickListener(new View.OnLongClickListener() {
         @Override
         public boolean onLongClick(View v) {
            ClipData.Item item = new ClipData.Item((CharSequence)v.getTag());

            String[] mimeTypes = {ClipDescription.MIMETYPE_TEXT_PLAIN};
            ClipData dragData = new ClipData(v.getTag().toString(), 
            mimeTypes, item);

            // Instantiates the drag shadow builder.
            View.DragShadowBuilder myShadow = new DragShadowBuilder(ima);

            // Starts the drag
            v.startDrag(dragData,  // the data to be dragged
            myShadow,  // the drag shadow builder
            null,      // no need to use local data
            0          // flags (not currently used, set to 0)
            );
            return true;
         }
      });

      // Create and set the drag event listener for the View
      ima.setOnDragListener( new OnDragListener(){
         @Override
         public boolean onDrag(View v,  DragEvent event){
         switch(event.getAction())                   
         {
            case DragEvent.ACTION_DRAG_STARTED:
               layoutParams = (RelativeLayout.LayoutParams) 
               v.getLayoutParams();
               Log.d(msg, "Action is DragEvent.ACTION_DRAG_STARTED");
               // Do nothing
               break;
            case DragEvent.ACTION_DRAG_ENTERED:
               Log.d(msg, "Action is DragEvent.ACTION_DRAG_ENTERED");
               int x_cord = (int) event.getX();
               int y_cord = (int) event.getY();  
               break;
            case DragEvent.ACTION_DRAG_EXITED :
               Log.d(msg, "Action is DragEvent.ACTION_DRAG_EXITED");
               x_cord = (int) event.getX();
               y_cord = (int) event.getY();
               layoutParams.leftMargin = x_cord;
               layoutParams.topMargin = y_cord;
               v.setLayoutParams(layoutParams);
               break;
            case DragEvent.ACTION_DRAG_LOCATION  :
               Log.d(msg, "Action is DragEvent.ACTION_DRAG_LOCATION");
               x_cord = (int) event.getX();
               y_cord = (int) event.getY();
               break;
            case DragEvent.ACTION_DRAG_ENDED   :
               Log.d(msg, "Action is DragEvent.ACTION_DRAG_ENDED");
               // Do nothing
               break;
            case DragEvent.ACTION_DROP:
               Log.d(msg, "ACTION_DROP event");
               // Do nothing
               break;
            default: break;
            }
            return true;
         }
      });
   }
}

VELOCITY TRACKER EXAMPLE

VELOCITY TRACKER EXAMPLE

LAYOUT-

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity" >

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:autoLink="web"
        android:text="http://android-er.blogspot.com/"
        android:textStyle="bold" />
    
    <TextView
        android:id="@+id/version"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

    <TextView
        android:id="@+id/action"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

 <TextView
        android:text="pointer 0"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />
    <TextView
        android:id="@+id/velocityx0"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />
    <TextView
        android:id="@+id/velocityy0"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />
 <TextView
        android:text="pointer 1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />
    <TextView
        android:id="@+id/velocityx1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />
    <TextView
        android:id="@+id/velocityy1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

</LinearLayout>

JAVA-

package com.example.androidvelocitytracker;

import android.os.Build;
import android.os.Bundle;
import android.os.Build.VERSION_CODES;
import android.support.v4.view.VelocityTrackerCompat;
import android.util.SparseArray;
import android.view.MotionEvent;
import android.view.VelocityTracker;
import android.widget.TextView;
import android.app.Activity;

public class MainActivity extends Activity {

 TextView textAvtion, textVelocityX0, textVelocityY0,
  textVelocityX1, textVelocityY1;
 TextView textVersion;
 VelocityTracker velocityTracker = null;
 
 static SparseArray<String> arrayVC = new SparseArray<String>();
    static {
        arrayVC.append(VERSION_CODES.BASE, "The original, first, version of Android.");
        arrayVC.append(VERSION_CODES.BASE_1_1, "First Android update, officially called 1.1");
        arrayVC.append(VERSION_CODES.CUPCAKE, "Android 1.5");
        arrayVC.append(VERSION_CODES.CUR_DEVELOPMENT, "Magic version number...");
        arrayVC.append(VERSION_CODES.DONUT, "Android 1.6");
        arrayVC.append(VERSION_CODES.ECLAIR, "Android 2.0");
        arrayVC.append(VERSION_CODES.ECLAIR_0_1, "Android 2.0.1");
        arrayVC.append(VERSION_CODES.ECLAIR_MR1, "Android 2.1");
        arrayVC.append(VERSION_CODES.FROYO, "Android 2.2");
        arrayVC.append(VERSION_CODES.GINGERBREAD,"Android 2.3");
        arrayVC.append(VERSION_CODES.GINGERBREAD_MR1, "Android 2.3.3");
        arrayVC.append(VERSION_CODES.HONEYCOMB, "Android 3.0");
        arrayVC.append(VERSION_CODES.HONEYCOMB_MR1, "Android 3.1");
        arrayVC.append(VERSION_CODES.HONEYCOMB_MR2, "Android 3.2");
        arrayVC.append(VERSION_CODES.ICE_CREAM_SANDWICH,"Android 4.0");
        arrayVC.append(VERSION_CODES.ICE_CREAM_SANDWICH_MR1,"Android 4.0.3");
        arrayVC.append(VERSION_CODES.JELLY_BEAN, "Android 4.1");
        arrayVC.append(VERSION_CODES.JELLY_BEAN_MR1, "Android 4.2");
        arrayVC.append(VERSION_CODES.JELLY_BEAN_MR2, "Android 4.3");
        arrayVC.append(VERSION_CODES.KITKAT, "Android 4.4");
    }

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  textAvtion = (TextView) findViewById(R.id.action);
  textVelocityX0 = (TextView) findViewById(R.id.velocityx0);
  textVelocityY0 = (TextView) findViewById(R.id.velocityy0);
  textVelocityX1 = (TextView) findViewById(R.id.velocityx1);
  textVelocityY1 = (TextView) findViewById(R.id.velocityy1);
  
  textVersion = (TextView)findViewById(R.id.version);
  int version = Build.VERSION.SDK_INT;
  String BuildVersion = arrayVC.get(version, "unknown");
  textVersion.setText(BuildVersion);
 }

 @Override
 public boolean onTouchEvent(MotionEvent event) {
  
  int action = event.getActionMasked();
  int index = event.getActionIndex();
        int pointerId = event.getPointerId(index);

  switch (action) {
  case MotionEvent.ACTION_DOWN:
   if (velocityTracker == null) {
    velocityTracker = VelocityTracker.obtain();
   } else {
    velocityTracker.clear();
   }
   velocityTracker.addMovement(event);
   
   if(pointerId == 0){
    textVelocityX0.setText("X-velocity (pixel/s): 0");
    textVelocityY0.setText("Y-velocity (pixel/s): 0");
   }else if(pointerId == 1){
    textVelocityX1.setText("X-velocity (pixel/s): 0");
    textVelocityY1.setText("Y-velocity (pixel/s): 0");
   }
   
   break;
  case MotionEvent.ACTION_MOVE:
   velocityTracker.addMovement(event);
   velocityTracker.computeCurrentVelocity(1000); 
   //1000 provides pixels per second
   
   float xVelocity = VelocityTrackerCompat.getXVelocity(
     velocityTracker, pointerId);
   
   float yVelocity = VelocityTrackerCompat.getYVelocity(
     velocityTracker, pointerId);
   
   if(pointerId == 0){
    textVelocityX0.setText("X-velocity (pixel/s): " + xVelocity);
    textVelocityY0.setText("Y-velocity (pixel/s): " + yVelocity);
   }else if(pointerId == 1){
    textVelocityX1.setText("X-velocity (pixel/s): " + xVelocity);
    textVelocityY1.setText("Y-velocity (pixel/s): " + yVelocity);
   }
   
   break;
  case MotionEvent.ACTION_UP:
  case MotionEvent.ACTION_CANCEL:
   velocityTracker.recycle();
   break;
  }

  return true;
 }

}

TIMER TASK ANDROID APP EXAMPLE

TIMER TASK ANDROID APP EXAMPLE

LAYOUT-

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    android:orientation="vertical"
    tools:context=".MainActivity" >

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center_horizontal"
        android:autoLink="web"
        android:text="http://android-er.blogspot.com/"
        android:textStyle="bold" />
    <CheckBox 
        android:id="@+id/singleshot"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Single Shot"/>
 <Button 
     android:id="@+id/start"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Start"/>
 <Button 
     android:id="@+id/cancel"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Cancel"/>
    <TextView
     android:id="@+id/counter"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textSize="30dp"
        android:textStyle="bold"/>
</LinearLayout>

JAVA-

package com.example.androidtimer;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Timer;
import java.util.TimerTask;

import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.TextView;
import android.app.Activity;

public class MainActivity extends Activity {
 
 CheckBox optSingleShot;
 Button btnStart, btnCancel;
 TextView textCounter;
 
 Timer timer;
 MyTimerTask myTimerTask;

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  optSingleShot = (CheckBox)findViewById(R.id.singleshot);
  btnStart = (Button)findViewById(R.id.start);
  btnCancel = (Button)findViewById(R.id.cancel);
  textCounter = (TextView)findViewById(R.id.counter);
  
  btnStart.setOnClickListener(new OnClickListener(){

   @Override
   public void onClick(View arg0) {

    if(timer != null){
     timer.cancel();
    }
    
    //re-schedule timer here
    //otherwise, IllegalStateException of
    //"TimerTask is scheduled already" 
    //will be thrown
    timer = new Timer();
    myTimerTask = new MyTimerTask();
    
    if(optSingleShot.isChecked()){
     //singleshot delay 1000 ms
     timer.schedule(myTimerTask, 1000);
    }else{
     //delay 1000ms, repeat in 5000ms
     timer.schedule(myTimerTask, 1000, 5000);
    }
   }});
  
  btnCancel.setOnClickListener(new OnClickListener(){

   @Override
   public void onClick(View v) {
    if (timer!=null){
     timer.cancel();
     timer = null;
    }
   }
  });
  
 }

 class MyTimerTask extends TimerTask {

  @Override
  public void run() {
   Calendar calendar = Calendar.getInstance();
   SimpleDateFormat simpleDateFormat = 
     new SimpleDateFormat("dd:MMMM:yyyy HH:mm:ss a");
   final String strDate = simpleDateFormat.format(calendar.getTime());
   
   runOnUiThread(new Runnable(){

    @Override
    public void run() {
     textCounter.setText(strDate);
    }});
  }
  
 }

}

WIFI STATUS IN ANDROID PROMATICALLY

WIFI STATUS IN ANDROID PROMATICALLY

UI Layout(check_wifi_connection.xml)

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    >
    <TextView
        android:id="@+id/aboutapp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:text="This Example Expains Check wifi connection status"
        android:textSize="15sp" />
    <Button
        android:id="@+id/checkstatus"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentRight="true"
        android:layout_centerVertical="true"
        android:layout_marginRight="44dp"
        android:text="Click me i will tell you" />
</RelativeLayout>

MAINACTIVITY

package com.yeahultra.checkwificonnection;

import android.app.Activity;

import android.content.Context;

import android.net.ConnectivityManager;

import android.net.NetworkInfo;

import android.os.Bundle;

import android.view.Menu;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.Toast;

public class CheckWifiConnection extends Activity {

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.check_wifi_connection);

        Button check = (Button) findViewById(R.id.checkstatus);

        check.setOnClickListener(new OnClickListener() {

            @Override

            public void onClick(View arg0) {

                // TODO Auto-generated method stub

                if (isWifiAvailable()) {

                    Toast.makeText(getApplicationContext(),

                            "You have WIFI connection", Toast.LENGTH_LONG)

                            .show();

                } else {

                    Toast.makeText(getApplicationContext(),

                            "You don't have WIFI connection", Toast.LENGTH_LONG)

                            .show();

                }

            }

        });

    }

    public Boolean isWifiAvailable() {

        try {

            ConnectivityManager connectivityManager = (ConnectivityManager) getApplicationContext()

                    .getSystemService(Context.CONNECTIVITY_SERVICE);

            NetworkInfo wifiInfo = connectivityManager

                    .getNetworkInfo(ConnectivityManager.TYPE_WIFI);

            if (wifiInfo.isConnected()) {

                return true;

            }

        } catch (Exception e) {

            e.printStackTrace();

        }

        return false;

    }

    @Override

    public boolean onCreateOptionsMenu(Menu menu) {

        // Inflate the menu; this adds items to the action bar if it is present.

        getMenuInflater().inflate(R.menu.check_internet_connection, menu);

        return true;

    }

}

Pages

Sunday, June 15, 2014

REVOLUTION TO DEFEAT RUBIK'S CUBE

ANDROID DRAG AND DROP EXAMPLE

VELOCITY TRACKER EXAMPLE

TIMER TASK ANDROID APP EXAMPLE

WIFI STATUS IN ANDROID PROMATICALLY