大约有 5,200 项符合查询结果（耗时：0.0268秒） [XML]
Can't find @Nullable inside javax.annotation.*
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In case someone has this while trying to compile an Android project, there is an alternative Nullable implementation in android.support.annotation.Nullable. So take care which package you've referenced in your imports.
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Calling a Fragment method from a parent Activity
I see in the Android Fragments Dev Guide that an "activity can call methods in a fragment by acquiring a reference to the Fragment from FragmentManager, using findFragmentById() or findFragmentByTag() ."
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How to hide a View programmatically?
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Or view.setVisibility(View.INVISIBLE) if you just want to hide it.
From Android Docs:
INVISIBLE
This view is invisible, but it still takes up space for layout purposes. Use with setVisibility(int) and android:visibility.
GONE
This view is invisible, and it doesn't take any spac...
Overriding Binding in Guice
...ned in separate modules. The activity that's being injected into is in an Android Library Module, with its own RoboGuice module definition in the AndroidManifest.xml file.
The setup looks like this. In the Library Module there are these definitions:
AndroidManifest.xml:
<application androi...
Looking for a good world map generation algorithm [closed]
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Fragment lifecycle - which method is called upon show / hide?
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Similar to activity lifecycle, Android calls onStart() when fragment becomes visible. onStop() is normally called when fragment becomes invisible, but it can also be called later in time.
Depending on your layout Android can call onStart() even, when your...
Check if EditText is empty. [closed]
I have 5 EditTexts in android for users to input. I would like to know if I could have a method for checking all the 5 EditTexts if they are null. Is there any way to do this??
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How to get String Array from arrays.xml file
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Just change the code to:
package com.xtensivearts.episode.seven;
import android.app.ListActivity;
import android.os.Bundle;
import android.widget.ArrayAdapter;
public class Episode7 extends ListActivity {
String[] mTestArray;
/** Called when the activity is first created. */
@Overri...
Enterprise app deployment doesn't work on iOS 7.1
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Usage of forceLayout(), requestLayout() and invalidate()
...g called directly after invalidate is called, I even see that happening in Android source code for things like TextView, but according to this diagram doing so is redundant, right? So is there any purpose for doing that?
– tcox
May 12 '15 at 22:10
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