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Integrate ZXing in Android Studio
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I was integrating ZXING into an Android application and there were no good sources for the input all over, I will give you a hint on what worked for me - because it turned out to be very easy.
There is a real handy git repository that provides the zxing an...
Padding between ActionBar's home icon and title
...style definition, for instance like this in res/style.xml:
<item name="android:actionBarStyle">@style/MyActionBar</item>
<style name="MyActionBar" parent="@android:style/Widget.Holo.Light.ActionBar">
<item name="android:background">#3f51b5</item>
<i...
How to dynamically update a ListView on Android [closed]
On Android, how can I a ListView that filters based on user input, where the items shown are updated dynamically based on the TextView value?
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What is the difference between \r and \n?
...d \n different? I think it has something to do with Unix vs. Windows vs. Mac, but I'm not sure exactly how they're different, and which to search for/match in regexes.
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Why does Eclipse automatically add appcompat v7 library support whenever I create a new project?
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As stated in Android's Support Library Overview, it is considered good practice to include the support library by default because of the large diversity of devices and the fragmentation that exists between the different versions of Androi...
How to implement the Android ActionBar back button?
...Selected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
NavUtils.navigateUpFromSameTask(this);
return true;
default:
return super.onOptionsItemSelected(item);
}
}
}
The function NavUtils.navigateUpFromSam...
How to Set Opacity (Alpha) for View in Android
...nSetAlpha. Maybe you could try something similar with your button:
import android.content.Context;
import android.util.AttributeSet;
import android.widget.TextView;
public class AlphaTextView extends TextView {
public AlphaTextView(Context context) {
super(context);
}
public AlphaTextV...
ExpandableListView - hide indicator for groups with no children
...for all items
getExpandableListView().setGroupIndicator(null);
In xml
android:groupIndicator="@null"
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Disable EditText blinking cursor
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You can use either the xml attribute android:cursorVisible="false" or the java function setCursorVisible(false).
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How do I display an alert dialog on Android?
...atically dismissed when a dialog button is clicked.
.setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// Continue with delete operation
}
})
// A null listener allows th...