Android – Change Title bar Text and Image
In Android, mostly we see the activity with normal title bar i.e. Activity name in Title bar but here i am going to present how do we change the title bar text and title bar image (Background image, icon with text). From my point of view, there are 2 ways to change the title bar […]
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Paresh Mayani
- February 11, 2011
Unix – Command line Arguments
What is command line argument? Those values which we pass at the time of running the shell scripts are known as Command line values(arguments). Command line arguments are treated as special variables within the script. They can be changed with the shift command. The command line arguments are enumerated in the following manner $0, $1, […]
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Paresh Mayani
- January 26, 2011
Android – Difference between gravity and layout_gravity
Hi, Do you what’s the exact difference between gravity and layout_gravity attributes? android:gravity sets the gravity of the content of the View its used on. android:layout_gravity sets the gravity of the View or Layout in its parent. Here is the best example that i came across: How to Position Views Properly in. Here is my […]
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Paresh Mayani
- December 30, 2010
Android – Making phone call – ACTION_CALL Intent
try { Intent intent = new Intent(Intent.ACTION_CALL); intent.setData(Uri.parse("tel:+98765")); startActivity(intent); } catch (Exception e) { Log.e("Demo application", "Failed to invoke call", e); } Don’t forget to add this permission into the AndroidManifest.xml file: <uses-permission android:name="android.permission.CALL_PHONE"/> Note: If you forget to add this permission inside the AndroidManifest.xml file then below Exception may be raised, and from exception […]
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Paresh Mayani
- December 7, 2010
Android – Send email from your Android application – ACTION_SEND intent
The below code can be tested with the real device: But while testing it with an emulator, you need to make correction with: i.setType("text/plain");
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Paresh Mayani
- December 7, 2010
Unix – Fetching ASCII Code of any Character and Character Value from the ASCII Code
This is the demo of fetching ASCII code of any character value and vice versa (Character value from the ASCII Code). The below is the demo for the “A” and “65”. Ascii value of character: It can be done in 2 ways: printf “%d” “‘A” echo “A” | tr -d “n” | od -An -t […]
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Paresh Mayani
- December 1, 2010
Android – Working With Calendar and Managing Compatibility With Froyo
Today i came across an article, in that article i found a great thing that the Calendar URI in FROYO 2.2 version is changed from content://calendar/calendars to content://com.android.calendar/calendars. To manage the compatibility with such Calendar Code across all the version, we need to handle Old URI along with the New URI, we can handle it […]
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Paresh Mayani
- November 25, 2010
