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How do I check in SQLite whether a table exists?
...er / easier to process. The following illustrates how you would do this in Android using SQLiteDatabase, Cursor, rawQuery with parameters.
boolean tableExists(SQLiteDatabase db, String tableName)
{
if (tableName == null || db == null || !db.isOpen())
{
return false;
}
Cursor...
Using “this” with class name
I am doing Android programming and was learning about Intents, when I saw a constructor that, to my C# trained mind, seemed funky. The call was:
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Error : BinderProxy@45d459c0 is not valid; is your activity running?
...log
}
I've been using this to work around the issue on older versions of Android for several years now, and haven't seen the crash since.
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Determine font color based on background color
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Thank you @Gacek. Here's a version for Android:
@ColorInt
public static int getContrastColor(@ColorInt int color) {
// Counting the perceptive luminance - human eye favors green color...
double a = 1 - (0.299 * Color.red(color) + 0.587 * Color.green(color...
Real-world examples of recursion [closed]
...tent() be replaced with getDirectoryContent()?
– Shn_Android_Dev
Jun 16 at 22:37
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Are there any Java method ordering conventions? [closed]
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This is an Android Activity, so there are lots that simply can't go anywhere else, onPause(), onResume() etc., as well as all of my OnClickListener fields, which, although they are fields, don't look or behave like them so it's sensible...
What exactly can cause an “HIERARCHY_REQUEST_ERR: DOM Exception 3”-Error?
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Got this when I changed from jQuery (desktop) to zepto on Android. Switched back.
– Ravindranath Akila
Aug 31 '13 at 13:14
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Stretch and scale a CSS image in the background - with CSS only
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On Android it worked for when using html, body {...} instead of body {...}.
– Edward
Mar 7 '16 at 12:56
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iOS JavaScript bridge
... @hova, the is no Obj-C V8 bridge. V8 is only leveraged for Android.
– Ross
Mar 22 '12 at 15:45
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How to detect the physical connected state of a network cable/connector?
...e using Process Runtime Exec commands to check if the cable is connecte in Android.
– Arlyn
Oct 24 '16 at 16:26
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