Goto labeled statement in Java example
Goto in for cycle Java example source code.
MainClass.java
MainClass.java
public class MainClass {
public static void main(String[] arg) {
String[] arrayOfString = {"nothing", "Hello", "people"
, "bye-bye", "hello", "world!", "end" };
OuterLoop: for (int i = 0;i<6; i++) {
for (int j = 0; j < arrayOfString.length; j++) {
if (arrayOfString[j].equals("world!")) {
continue OuterLoop; // as goto from Csharp, or C/C++
}
System.out.println(arrayOfString[j]);
System.out.println(i);
if (i == 1) {
System.out.println("break");
break OuterLoop;
}
}
}
}
}
/*
nothing
0
Hello
0
people
0
bye-bye
0
hello
0
nothing
1
break
*/
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How to quickly change all icon set in .apk project with Eclipse:
Right click on project in folder tree
Select New - Ohter
In open wizard dialog select Android Icon Set
Set Icon set name:
Open some large icon for your project for example 512x512 px and wizard will make all set of icons from one largest icon:
Wizard will create all set of icons from this one largest icon.
Click on finish button:
Right click on project in folder tree
Select New - Ohter
In open wizard dialog select Android Icon Set
Set Icon set name:
Open some large icon for your project for example 512x512 px and wizard will make all set of icons from one largest icon:
Wizard will create all set of icons from this one largest icon.
Click on finish button:
Get assets folder files to array of strings.
Its show files in assets folder and sub folders:
Its show files in assets folder and sub folders:
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
final AssetManager assetManager = getAssets();
try {
// for assets folder add empty string
String[] filelist = assetManager.list("");
// for assets/subFolderInAssets add only subfolder name
String[] filelistInSubfolder = assetManager.list("subFolderInAssets");
if (filelist == null) {
// dir does not exist or is not a directory
} else {
for (int i=0; i<filelist.length; i++) {
// Get filename of file or directory
String filename = filelist[i];
}
}
// if(filelistInSubfolder == null) ............
} catch (IOException e) {
e.printStackTrace();
}
}
// image from res/drawable
int resID = getResources().getIdentifier("my_image",
"drawable", getPackageName());
// view
int resID = getResources().getIdentifier("my_resource",
"id", getPackageName());
// string
int resID = getResources().getIdentifier("my_string",
"string", getPackageName());
If you create a button or view programmatically with OnClickListener you can set a tag key before button in parent layout is added.
And get correct button by this tag getTag() instead getId() in OnClickListener etc.
And get correct button by this tag getTag() instead getId() in OnClickListener etc.
Button button = new Button(getApplicationContext());
int idOfButton = button.getId(); // return -1
button.setTag("my_button");
String sTag = (String) button.getTag(); // return "my_button"
Foreach in Java basic example source code.
MainClass.java
MainClass.java
public class MainClass {
public static void main(String[] arg) {
String[] arrayOfString = { "Hello", "people", "hello", "world!" };
for (String s : arrayOfString)
System.out.println(s);
}
}
Editace: 2011-10-04 10:48:30
Počet článků v kategorii: 396
Url:goto-labeled-statement-in-java-example
