Tag Archives: Toast

How to find location in Android using GPS?

By | July 25, 2017

This example helps you to find the location in Android using the GPS. I have commented out some functionality in the code. You can uncomment it and extend it at your wish. At first we will create a utility class that will handle all GPS related Operations. GPS Utility Class This class has all utility functions for getting… Read More »

Uploading Image to Server – Android Eclipse Version.

By | February 18, 2016

Hi all, In today’s tutorial I will show you how to send an image to server using POST method in ANDROID. If you are working in Android studio, then checkout the article here. Uploading an image to server is a basic requirement in many of our application. Sending data to server which is using a PHP Script is… Read More »

How to write a custom content provider in android? with a sample application using our own custom content provider.

By | September 22, 2013

Hello all we all know what are content providers right? Those who are unaware of content providers please visit this link http://developer.android.com/guide/topics/providers/content-providers.html In a breif content Providers are Content providers manage access to a structured set of data. They encapsulate the data, and provide mechanisms for defining data security. Content providers are the standard interface that connects data… Read More »

Handling Multiple Instances of a Widget in Android and Identifying each instance with it’s own ID.

By | July 5, 2013

Hey everyone…….Hope all are well….. This post is about Android Widgets. This is going to be one of the bigger posts in Coderzheaven. This posts helps you to handle multiple instances of a Widget. Many of our problem is to identify different instances of the same widget. But there is a solution to this problem. Please check out… Read More »

How to create a fully customizable Toast which will use your own time duration and gravity and layout with ease without using the default toast in android?

By | June 24, 2013

Hello all We all have seen toasts right…ok then you have already customized your toasts right. Here I will show you a method to create toasts which will last the time you set and the gravity. You can download the code by clicking on the download links. This is the class that creates the toast notification. MyMsgBox.java [java]… Read More »

How to create a simple PopUp Menu in Android?

By | April 7, 2013

Hello all… This is a simple tutorial for creating a simple popup menu like the one you see in the action bar options button. Actually this is fairly simple with actionBar. But if you don’t want the actionbar and only want the popup menu, then here is the solution. You can read more about PopupMenu here http://developer.android.com/reference/android/widget/PopupMenu.html Note… Read More »

How to crop an Image in Android?

By | December 15, 2012

This is a sample program that launches the camera and crop the captured image. Check this link to another crop image example. http://www.coderzheaven.com/2011/03/15/crop-an-image-in-android/ This is the layout xml. activity_main.xml [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:layout_margin="3dp" android:text="@string/intro" android:textStyle="bold" /> <Button android:id="@+id/capture_btn" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/capture" /> <ImageView android:id="@+id/picture" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin="5dp" android:contentDescription="@string/picture"… Read More »

How to load a spinner with values from SQlite Database in android?

By | November 18, 2012

Here is a simple example showing how to load a database values in a spinner in android. OK we will start. This is the layout for the spinner row. spinner_row.xml [xml] <?xml version="1.0" encoding="utf-8"?> <TextView xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation = "vertical" android:id="@+id/tv" android:layout_margin="10dp"> </TextView> [/xml] This is the layout for the interface. activity_main.xml [xml] <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"… Read More »

Dynamically Adding, Removing, Toggling and Removing all ActionBar Tabs in Android – Part 2?

By | October 8, 2012

Hi all.. In today’s post I will show you how to add actionbar tabs dynamically, remove one by one , hide and unhide them, removing all tabs at once etc. This simple java code does that. First create a project and in the MainActivity, paste this. [java] package com.coderzheaven.actionbartabs; import android.app.ActionBar; import android.app.ActionBar.Tab; import android.app.Activity; import android.app.Fragment; import… Read More »

How to create a Slide from Left animation while deleting a row from a ListView in Android?

By | September 12, 2012

Hello all…… I have written a lost of posts on Listviews. You can see that by just searching Listviews in my site. Today I will show you how to create a slide out animation while we delete a row from a ListView. So this is the xml that contains the ListView. Let it be in the main.xml main.xml… Read More »

How to read and write files to SDCARD and application SandBox in Android – A complete example?

By | September 6, 2012

Here is a complete example of How to read and write files to SDCARD and application SandBox in Android. First create a new project and inside the mainActivity paste this code. [java] package com.coderzheaven.filesexample; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.EditText; import android.widget.Toast; public class MainActivity extends Activity implements OnClickListener { EditText edittext;… Read More »

How to stream an audio in Android?

By | August 14, 2012

This is a simple example to how to stream an audio in android. Here is the java code for that. [java] package com.coderzheaven.pack; import android.app.Activity; import android.app.ProgressDialog; import android.media.AudioManager; import android.media.MediaPlayer; import android.media.MediaPlayer.OnCompletionListener; import android.media.MediaPlayer.OnErrorListener; import android.media.MediaPlayer.OnPreparedListener; import android.os.Bundle; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.Toast; public class StreamAudioDemo extends Activity implements OnClickListener, OnPreparedListener, OnErrorListener,… Read More »

A Simple FlashLight Application.

By | July 20, 2012

Here is a simple Application on how to use flashlight in android. [java] package com.coderzheaven.pack; import android.app.Activity; import android.content.Context; import android.content.pm.PackageManager; import android.hardware.Camera; import android.hardware.Camera.Parameters; import android.os.Bundle; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.Toast; public class FlashLightActivity extends Activity { //flag to detect flash is on or off private boolean isLighOn = false; private Camera… Read More »

How to add a new contact programmatically in android?

By | June 18, 2012

We all know how to add a new contact to our android devices without programming right. OK that’s a normal man’s use. But what from a programmer’s view. This is the sample java code that helps you to add contact programatically. [java] package com.coderzheaven.pack; import java.util.ArrayList; import android.app.Activity; import android.content.ContentProviderOperation; import android.content.ContentValues; import android.net.Uri; import android.os.Bundle; import android.provider.ContactsContract;… Read More »

How to get Notified when a widget is deleted?

By | June 10, 2012

I have already covered a tutorial on how to start with widgets and how to create a simple widget here.. http://www.coderzheaven.com/2012/06/07/create-widget-android/ Today I will show you how to get notified when a widget is deleted. if you have already gone through my previous post, then there is only a small change in the “MyWidget.java” file. we have to… Read More »

How to add checkboxes and radio buttons to ListView in android? OR How to set single choice items in a ListView in android?

By | May 25, 2012

To create a list of multiple-choice items (checkboxes) or single-choice items (radio buttons) inside the dialog, use the setMultiChoiceItems() and setSingleChoiceItems() methods, respectively. If you create one of these selectable lists in the onCreateDialog() callback method, Android manages the state of the list for you. As long as the Activity is active, the dialog remembers the items that… Read More »

How to download a file from a remote site in android? – Another simple example – Method -3

By | May 7, 2012

Hello all ……. I have shown many examples on how to download and upload files in android through this site. These are other methods for downloadign a file in android. 1. How to Download an image in ANDROID programatically? 2. How to download a file to your android device from a remote server with a custom progressbar showing… Read More »

How to check different Network status in Android?

By | May 5, 2012

This code snippet checks which of your networks are available in android. [java] package com.coderzheaven.pack; import android.app.Activity; import android.content.Context; import android.net.ConnectivityManager; import android.os.Bundle; import android.widget.Toast; public class CheckConnectionsDemo extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); checkAvailableConnection(); } void checkAvailableConnection() { ConnectivityManager connMgr = (ConnectivityManager) this.getSystemService(Context.CONNECTIVITY_SERVICE); final android.net.NetworkInfo wifi = connMgr.getNetworkInfo(ConnectivityManager.TYPE_WIFI); final android.net.NetworkInfo mobile =… Read More »

How to download a file to your android device from a remote server with a custom progressbar showing progress?

By | April 29, 2012

Actually this is really simple. I have already posted an example for how to download a file in this post. How to Download an image in ANDROID programatically? This is another one little different with a progressbar included. Previously I have shown three other methods to upload files to a server. Check these posts to refer this. 1.… Read More »

How to upload an image from Android device to server? – Method 4

By | April 26, 2012

Hello all…. This post is also about uploading an image to server from your android device. Previously I have shown three other methods to upload an image to a server. Check these posts to refer this. 1. Uploading audio, video or image files from Android to server 2. How to Upload Multiple files in one request along with… Read More »

How to read and write a text file that is stored in your application sandbox in ANDROID?

By | April 22, 2012

Hi all….. In this post I will show you how to read a text file in ANDOID. Let your file is in the your application sandbox of your ANDOID project, i.e the file’s location is /data/data/your_package_name folder. To view this folder -> open File Explorer and expand each folder. For this example to work first push te file… Read More »

Fling Gesture in Android

By | April 12, 2012

On implementing the onGestureListener you can get the events like Fling LongPress Scroll ShowPress SingleTap Its really simple, otherwise we have to calculate the distance between the touchdown and touchup event to check a fling event is happened or not. [java] import android.app.Activity; import android.os.Bundle; import android.view.GestureDetector; import android.view.MotionEvent; import android.view.View; import android.view.Window; import android.view.WindowManager; import android.view.GestureDetector.OnGestureListener; import… Read More »

Date and TimePicker in ANDROID.

By | April 12, 2012

The following code simply allows you to select a date and time using the datepicker and timepicker in ANDROID. [java] package AndroidDatePicker.pack; import java.util.Calendar; import android.app.Activity; import android.app.DatePickerDialog; import android.app.Dialog; import android.app.TimePickerDialog; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.DatePicker; import android.widget.TimePicker; import android.widget.Toast; public class AndroidDatePicker extends Activity { private int myYear, myMonth, myDay, myHour, myMinute; static… Read More »

Copying an image to another in ANDROID.

By | April 7, 2012

Here is a simple example to copy an image to another image file in ANDROID. In this example a button click will open the gallery and after that it will be copied to another image file. You have to check the File-explorer to find the file. This is the java code for doing it. [java] package pack.coderzheaven; import… Read More »

Switch Images in ANDROID.

By | April 7, 2012

Hi all …….. Ofter we have trouble with loading continous images in ANDROID from our application directory. The reason is that all resources have a unique resource ID which we need to get to load these resources. The following example shows how to get these unique identifier from the “path” of the resource. For example Here I have… Read More »