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How to check if a json key exists?
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JSONObject class has a method named "has":
http://developer.android.com/reference/org/json/JSONObject.html#has(java.lang.String)
Returns true if this object has a mapping for name. The mapping may be NULL.
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How to set layout_weight attribute dynamically from code?
How can I set the value for the attribute layout_weight for button in android dynamically from java code ?
9 Answers
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How to avoid reverse engineering of an APK file?
I am developing a payment processing app for Android, and I want to prevent a hacker from accessing any resources, assets or source code from the APK file.
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Camera access through browser
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This is AWESOME on Android too!
– Matt
Oct 2 '13 at 3:30
1
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How can I get the current stack trace in Java?
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On android a far easier way is to use this:
import android.util.Log;
String stackTrace = Log.getStackTraceString(exception);
Should I use window.navigate or document.location in JavaScript?
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I'm currently using this for android development. I'm having trouble to get the page redirected from JS in Androids default browser. I tried window.location.href = 'URL'; and also window.location.assign('URL'); the method that is designed for reloading a...
How can I convert an Integer to localized month name in Java?
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Apparently in Android 2.2 there is a bug with SimpleDateFormat.
In order to use month names you have to define them yourself in your resources:
<string-array name="month_names">
<item>January</item>
<item>...
C++ compiling on Windows and Linux: ifdef switch [duplicate]
...s://wiki.qt.io/Get-OS-name-in-Qt
QString Get::osName()
{
#if defined(Q_OS_ANDROID)
return QLatin1String("android");
#elif defined(Q_OS_BLACKBERRY)
return QLatin1String("blackberry");
#elif defined(Q_OS_IOS)
return QLatin1String("ios");
#elif defined(Q_OS_MAC)
return QLatin1String("o...
How to dismiss the dialog with click on outside of the dialog?
...uhammedRefaat - Please look at this thread groups.google.com/forum/#!topic/android-developers/VhaiIMl6E_w . They nicely described it.
– user370305
Nov 26 '14 at 19:29
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How to go back to previous page if back button is pressed in WebView?
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If using Android 2.2 and above (which is most devices now), the following code will get you what you want.
@Override
public void onBackPressed() {
if (webView.canGoBack()) {
webView.goBack();
} else {
super.on...