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Showing running services in Android

Oleg Mazurashu — Mon, 01 Feb 2010 20:16:12 +0000

Here I want to share snippet of code which I found when I tried to get all services which are running in Android. It is very simple and useful.

public class Main extends Activity { private static String APP_TAG = "tag"; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); ActivityManager activityManager = (ActivityManager) getSystemService(ACTIVITY_SERVICE); List<ActivityManager.RunningServiceInfo> . . . → Read More: Showing running services in Android No related posts.

Viewing android.R.drawable images

Oleg Mazurashu — Wed, 13 Jan 2010 11:14:21 +0000

How often do you want to see what kind of images are in android.R.drawable package? Personally, I very often look at them. And the big problem is to see them at first time, because you don’t know where they are. This post should resolve this problem. At this point we have 2 ways:

simple – . . . → Read More: Viewing android.R.drawable images No related posts.

Checking Android SDK version

Oleg Mazurashu — Wed, 23 Dec 2009 19:49:23 +0000

I want to show how you can get Android SDK version from code. It is very simple:

String version = Build.VERSION.RELEASE;

This one returns SDK version (2.0.1, 2.0, 1.6).

int apiLevel = Build.VERSION.SDK_INT;

This one returns API Level (6, 5, 4).

If you’d like to get the latest posts as soon as they’re published, . . . → Read More: Checking Android SDK version No related posts.

Checking if camera presents in Android device

Oleg Mazurashu — Tue, 22 Dec 2009 17:35:56 +0000

Today I tried some ideas with camera in Android and found that there is an easy way to check if camera presents in Android device. Here I am going to show example which shows how to check it. Example:

import android.app.Activity; import android.os.Bundle; import android.util.Log; /** * This activity checks if device has camera * . . . → Read More: Checking if camera presents in Android device No related posts.

Image rotating in Android

Oleg Mazurashu — Tue, 22 Dec 2009 13:28:42 +0000

There is an easy way for image rotating in Android from code. I am going to show example. Here I will use application’s icon as image and Matrix class. Example:

import android.app.Activity; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Matrix; import android.graphics.drawable.BitmapDrawable; import android.os.Bundle; import android.view.ViewGroup.LayoutParams; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.ImageView.ScaleType; /** * This Activity shows . . . → Read More: Image rotating in Android No related posts.

Image saving to the filesystem in Android

Oleg Mazurashu — Fri, 18 Dec 2009 16:24:56 +0000

Sometimes after some operations with image you want to save this image to the filesystem. How? Can I use FileOutputStream for this operation? Sure, you can. Here we will use Bitmap object which is representing an image. Bitmap class has great method which is helpful for us when we want to write image to the . . . → Read More: Image saving to the filesystem in Android No related posts.

Starting applications after boot up in Android

Oleg Mazurashu — Fri, 18 Dec 2009 13:43:35 +0000

There are applications which should starts automatically after the Android phone is booted up. I am going to show how to create such application. There are 3 things which need to do: 1) In AndroidManifest.xml need to add receiver:

under <application> section 2) Add permission in AndroidManifest.xml:

<uses-permission . . . → Read More: Starting applications after boot up in Android No related posts.

Image resizing in Android

Oleg Mazurashu — Thu, 17 Dec 2009 09:53:08 +0000

When you work with images in Android , you can not only set this image as background image . Android allows a lot of things which you can do with an image object. Here I want to show how easy is to resize an image (Bitmap object) using Matrix class. This practice is very useful.

In . . . → Read More: Image resizing in Android No related posts.

Installing non-market application in Android phone

Oleg Mazurashu — Wed, 16 Dec 2009 08:50:17 +0000

I have received some identical questions by e-mail. People ask me how to install non-market application in Android phone. It is simple, by default Android works only with applications from Android Market, for allowing to install non-market application need to configure Android phone: Settings->Applications->Unknown sources

That’s all. As you can see it is very easy. . . . → Read More: Installing non-market application in Android phone No related posts.

Opening browser with specific URI in Android

Oleg Mazurashu — Mon, 30 Nov 2009 09:40:32 +0000

Sometimes you need to open browser with specific URI from your application. For example you want to show application’s page and so on. This operation is very simple. You need to use Activity as usual you use it for walking from one activity to other. In this post I am going to show snippet of . . . → Read More: Opening browser with specific URI in Android No related posts.