大约有 3,621 项符合查询结果（耗时：0.0265秒） [XML]
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...
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...
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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Android ListView not refreshing after notifyDataSetChanged
My ListFragment code
11 Answers
11
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Get dimension from XML and set text size in runtime
...ablets in landscape orientation).
You could read more about dimensions in Android at: http://android4beginners.com/2013/07/appendix-c-everything-about-sizes-and-dimensions-in-android/
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What is the AppDelegate for and how do I know when to use it?
...om what I understand of appDelegate, is close to what an Application is in Android. The viewDidLoad, viewDidDisappear is comparable to what Android's Lifecycle. Every application has a life cycle, from launching to interruptions from calls coming in, to notifications showing up. If you need your cod...
Difference between an API and SDK
... I agree with this definition, but at the same time wonder why iOS and Android use the term API for e.g. the Bluetooth library (iOS Core Bluetooth API, Android Bluetooth APIs)?
– tamberg
Oct 11 '19 at 9:26
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