Monday, 13 May 2013

Call web services easily

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Tuesday, 7 May 2013

View Flipper in android example


Simple ViewAnimator that will animate between two or more views that have been added to it. Only one child is shown at a time. If requested, can automatically flip between each child at a regular interval.
The ViewFlipper is a nifty widget that can be used to slide views in and out of the user’s current view port. At times I find it a handy UI replacement for the tab widget (which I’ve stated before I’m not overly fond of). What I like most about the ViewFlipper is the slick user experience. It’s the same sort of effect that is prevalent on Windows Phone 7, and was used by Google to jazz up the latest incarnation of the Android Market.
Despite the widget only recently gaining popularity on Android, it’s been around since version 1.0 of the API. (Read the official ViewFlipper documentation.) However, I don’t think the developer documentation makes it immediately obvious how to use the widget in your applications. In particular, puzzling through the sliding in and out animation transitions can be a little tough. Maybe not as tough as ignoring the candy bowl sitting on my kitchen counter, assuring me no one will notice if I take just one more Laffy Taffy, but still, it requires you to put on your thinking cap. If you’d like to download and import the entire project detailed in this tutorial, you can do so here.

activity_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:gravity="center"
android:text="View Flipper Demo" />

<ViewFlipper
android:id="@+id/view_flipper"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_margin="6dip" >

<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:gravity="center" >

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="A dog limps into a saloon and says..."
android:textColor="#00ff00"
android:textSize="14sp"
android:textStyle="bold" >
</TextView>
</LinearLayout>

<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:gravity="center" >

<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="I&apos;m looking for the man who shot my paw!"
android:textColor="#00ff00"
android:textSize="14sp"
android:textStyle="bold" >
</TextView>
</LinearLayout>
</ViewFlipper>

</LinearLayout>

MainActivity.java

package com.example.viewflipper;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MotionEvent;
import android.widget.ViewFlipper;

public class MainActivity extends Activity {

private ViewFlipper vf;
private float lastX;

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
vf = (ViewFlipper) findViewById(R.id.view_flipper);
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

public boolean onTouchEvent(MotionEvent touchevent) {
switch (touchevent.getAction()) {
case MotionEvent.ACTION_DOWN: {
lastX = touchevent.getX();
break;
}
case MotionEvent.ACTION_UP: {
float currentX = touchevent.getX();
if (lastX < currentX) {
if (vf.getDisplayedChild() == 0)
break;
vf.setInAnimation(this, R.anim.in_from_left);
vf.setOutAnimation(this, R.anim.out_to_right);
vf.showNext();
}
if (lastX > currentX) {
if (vf.getDisplayedChild() == 1)
break;
vf.setInAnimation(this, R.anim.in_from_right);
vf.setOutAnimation(this, R.anim.out_to_left);
vf.showPrevious();
}
break;
}
}
return false;
}

}

and Two another animation file;

to create that file first you need to create a new folder into /res named animation and into that you need to create xml files.

in_from_left.xml

<set xmlns:android="http://schemas.android.com/apk/res/android"
android:shareInterpolator="false" >
<!--
<translate
android:duration="1400"
android:fromXDelta="-100%"
android:fromYDelta="0%"
android:toXDelta="0%"
android:toYDelta="0%" /> -->
<!-- <scale android:duration="100"
android:fromXScale="100%"
android:fromYScale="0%"
android:repeatMode="reverse"/>
-->
<rotate android:fromDegrees="5"
android:toDegrees="50"
android:duration="5000"/>

</set>
in_from_right.xml

<set xmlns:android="http://schemas.android.com/apk/res/android"
android:shareInterpolator="false" >

<translate
android:duration="1400"
android:fromXDelta="100%"
android:fromYDelta="0%"
android:toXDelta="0%"
android:toYDelta="0%" />

</set>

Screen shot


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SlidingDrawer in Android Example

Sliding Drawer :


This class was deprecated in API level 17.
This class is not supported anymore. It is recommended you base your own implementation on the source code for the Android Open Source Project if you must use it in your application.

SlidingDrawer hides content out of the screen and allows the user to drag a handle to bring the content on screen. SlidingDrawer can be used vertically or horizontally. A special widget composed of two children views: the handle, that the users drags, and the content, attached to the handle and dragged with it. SlidingDrawer should be used as an overlay inside layouts. This means SlidingDrawer should only be used inside of a FrameLayout or a RelativeLayout for instance. The size of the SlidingDrawer defines how much space the content will occupy once slid out so SlidingDrawer should usually use match_parent for both its dimensions. Inside an XML layout, SlidingDrawer must define the id of the handle and of the content:

activity_main.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"
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" >

<SlidingDrawer
android:id="@+id/slidingDrawer1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:content="@+id/content" android:allowSingleTap="true"
android:handle="@+id/handle" >

<Button
android:id="@+id/handle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/up" />

<LinearLayout
android:id="@+id/content"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center_vertical"
android:orientation="vertical" >

<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="1"
/>

<Button
android:id="@+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="2" />

<Button
android:id="@+id/button3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="3" />
</LinearLayout>
</SlidingDrawer>

<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/slidingDrawer1"
android:layout_alignTop="@+id/slidingDrawer1"
android:layout_marginLeft="73dp"
android:gravity="center"
android:text="Sliding drawer example" />

</RelativeLayout>


MainActivity.java
package com.example.slidingdrawer;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.widget.Button;
import android.widget.SlidingDrawer;
import android.widget.SlidingDrawer.OnDrawerCloseListener;
import android.widget.SlidingDrawer.OnDrawerOpenListener;

public class MainActivity extends Activity {
SlidingDrawer drawer;
Button button;
@SuppressWarnings("deprecation")
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
drawer=(SlidingDrawer)findViewById(R.id.slidingDrawer1);
button=(Button)findViewById(R.id.handle);
drawer.setOnDrawerOpenListener(new OnDrawerOpenListener() {
@Override
public void onDrawerOpened() {
// TODO Auto-generated method stub
button.setBackgroundResource(R.drawable.down);
}
});
drawer.setOnDrawerCloseListener(new OnDrawerCloseListener() {
@Override
public void onDrawerClosed() {
// TODO Auto-generated method stub
button.setBackgroundResource(R.drawable.up);
}
});
}

@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}

Screen Shot:


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Android Configchanges Attributes - Manifest Description



To declare that your activity handles a configuration change, edit the appropriate <activity> element in your manifest file to include the android:configChanges attribute with a value that represents the configuration you want to handle. Possible values are listed in the documentation for the android:configChanges attribute (the most commonly used values are "orientation" to prevent restarts when the screen orientation changes and "keyboardHidden" to prevent restarts when the keyboard availability changes). You can declare multiple configuration values in the attribute by separating them with a pipe | character.



android:configChanges=["mcc", "mnc", "locale",
"touchscreen", "keyboard", "keyboardHidden",
"navigation", "screenLayout", "fontScale", "uiMode",
"orientation", "screenSize", "smallestScreenSize"]

Now, when one of these configurations change, MyActivity does not restart. Instead, the MyActivity receives a call to onConfigurationChanged(). This method is passed a Configuration object that specifies the new device configuration. By reading fields in the Configuration, you can determine the new configuration and make appropriate changes by updating the resources used in your interface. At the time this method is called, your activity's Resources object is updated to return resources based on the new configuration, so you can easily reset elements of your UI without the system restarting your activity.

Lists configuration changes that the activity will handle itself. When a configuration change occurs at runtime, the activity is shut down and restarted by default, but declaring a configuration with this attribute will prevent the activity from being restarted. Instead, the activity remains running and its onConfigurationChanged() method is called.



Value
Description
"mcc"
The IMSI mobile country code (MCC) has changed — a SIM has been detected and updated the MCC.
"mnc"
The IMSI mobile network code (MNC) has changed — a SIM has been detected and updated the MNC.
"locale"
The locale has changed — the user has selected a new language that text should be displayed in.
"touchscreen"
The touchscreen has changed. (This should never normally happen.)
"keyboard"
The keyboard type has changed — for example, the user has plugged in an external keyboard.
"keyboardHidden"
The keyboard accessibility has changed — for example, the user has revealed the hardware keyboard.
"navigation"
The navigation type (trackball/dpad) has changed. (This should never normally happen.)
"screenLayout"
The screen layout has changed — this might be caused by a different display being activated.
"fontScale"
The font scaling factor has changed — the user has selected a new global font size.
"uiMode"
The user interface mode has changed — this can be caused when the user places the device into a desk/car dock or when the night mode changes. See UiModeManager. Added in API level 8.
"orientation"
The screen orientation has changed — the user has rotated the device.
Note: If your application targets API level 13 or higher (as declared by the minSdkVersion and targetSdkVersion attributes), then you should also declare the "screenSize" configuration, because it also changes when a device switches between portrait and landscape orientations.
"screenSize"
The current available screen size has changed. This represents a change in the currently available size, relative to the current aspect ratio, so will change when the user switches between landscape and portrait. However, if your application targets API level 12 or lower, then your activity always handles this configuration change itself (this configuration change does not restart your activity, even when running on an Android 3.2 or higher device).
Added in API level 13.
"smallestScreenSize"
The physical screen size has changed. This represents a change in size regardless of orientation, so will only change when the actual physical screen size has changed such as switching to an external display. A change to this configuration corresponds to a change in the smallestWidth configuration. However, if your application targets API level 12 or lower, then your activity always handles this configuration change itself (this configuration change does not restart your activity, even when running on an Android 3.2 or higher device).
Added in API level 13.
"layoutDirection"
The layout direction has changed. For example, changing from left-to-right (LTR) to right-to-left (RTL). Added in API level 17.



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Wednesday, 24 April 2013

Make SplashScreen in android

Make Splash screen in android 


wait for some time in android for display any screen like splash screen.


Timer timer2 = new Timer();
              timer2.schedule(new TimerTask() {
                     @Override
                     public void run() {

      
                                  Intent intent = new Intent(Spash_Activity.this,
                                                LoginActivity.class);
                                  startActivity(intent);
                                  finish();
                          
                     }
              }, 3000);

here is the "3000" means 3 second wait for load another screen