如何在任何时间通过,从一个活动到一个班级的浴场?
I m relatively new to Android development. I m developing an app with a ListView. I ve followed the info in #1338475 and have my app recognizing the fling gesture, but after the gesture is complete, ...
如何在任何时间通过,从一个活动到一个班级的浴场?
你们可以创造自己的单州阶级,你们的活动和其他阶层都可以随时进入。 你们必须小心谨慎,因为它确实增加了一层全球变数(人们往往不喜欢),而是发挥作用。
public class MyBoolean{
private static final MyBoolean instance = new MyBoolean();
private boolean boolValue = false;
private MyBoolean(){}
public static MyBoolean getInstance(){
return instance;
}
public boolean getValue(){
return boolValue;
}
public void setValue(boolean newValue){
boolValue = newValue;
}
}
电话:MyBoolean.getInstance(
,你可以采用与你整个方案结合的方法。
活动途径:
Intent i = new Intent(getBaseContext(), NameOfActivity.class);
i.putExtra("my_boolean_key", myBooleanVariable);
startActivity(i)
3. 第二次活动回顾:
Bundle bundle = getIntent().getExtras();
boolean myBooleanVariable = bundle.getBoolean("my_boolean_key");
I m relatively new to Android development. I m developing an app with a ListView. I ve followed the info in #1338475 and have my app recognizing the fling gesture, but after the gesture is complete, ...
I m converting my code from using Handler to AsyncTask. The latter is great at what it does - asynchronous updates and handling of results in the main UI thread. What s unclear to me is how to handle ...
I want to be able to download a file with a particular extension from the net, and have it passed to my application to deal with it, but I haven t been able to figure out the intent filter. The ...
I am quite impressed by the workflow I follow when developing Android applications: Define a layout in an xml file and then write all the code in a code-behind style. Is there an equivalent style for ...
To draw landscapes, backgrounds with patterns etc, we used TiledLayer in J2ME. Is there an android counterpart for that. Does android provide an option to set such tiled patterns in the layout XML?
When following the Android Open Source Project instructions on installing repo for use with Git, after running the repo init command, I run into this error: /c/Users/Andrew Rabon/bin/repo: line ...
I read in the Android documentation that by setting my Activity s launchMode property to singleTop OR by adding the FLAG_ACTIVITY_SINGLE_TOP flag to my Intent, that calling startActivity(intent) would ...
I have pretty good skills in PHP , Mysql and Javascript for a junior developer. If I wanted to try my hand as Android Development do you think I might find it tough ? Also what new languages would I ...