Shuffle array int string Java Android
String [] arOfStrings = {"one", "two", "three"};
List<String> mListOfStrings = new ArrayList<String>(Arrays.asList(arOfStrings));
Collections.shuffle(mListOfstrings);
String str = mListOfStrings.get(2);// 2 is index of pozition an element
int [] arOfInt = {1, 2, 3};
List<Integer> mListOfInt = new ArrayList<Integer>(Arrays.asList(arOfInt));
Collections.shuffle(mListOfInt);
396LW NO topic_id
AD
Další témata ....(Topics)
public class MainActivity extends Activity {
// //www.apache.org/licenses/LICENSE-2.0
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(new SampleView(this));
}
private static class SampleView extends View {
private Rect mRect;
private GradientDrawable mDrawable;
public SampleView(Context context) {
super(context);
setFocusable(true);
mRect = new Rect(0, 0, 220, 120);
/* GradientDrawable.Orientation BL_TR draw the gradient from the bottom-left to the top-right
BOTTOM_TOP draw the gradient from the bottom to the top
BR_TL draw the gradient from the bottom-right to the top-left
LEFT_RIGHT draw the gradient from the left to the right
RIGHT_LEFT draw the gradient from the right to the left
TL_BR draw the gradient from the top-left to the bottom-right
TOP_BOTTOM draw the gradient from the top to the bottom
TR_BL draw the gradient from the top-right to the bottom-left
*/
mDrawable = new GradientDrawable(GradientDrawable.Orientation.LEFT_RIGHT,
new int[] { 0xFFFF0000, 0xFF00FF00,
0xFF0000FF });
mDrawable.setShape(GradientDrawable.RECTANGLE);
mDrawable.setGradientRadius((float)(Math.sqrt(2) * 60));
}
static void setCornerRadius(GradientDrawable drawable, float r0,
float r1, float r2, float r3) {
/* setCornerRadii
Specify radii for each of the 4 corners. For each corner,
the array contains 2 values, [X_radius, Y_radius].
The corners are ordered top-left, top-right, bottom-right,
bottom-left
*/
drawable.setCornerRadii(new float[] { r0, r0, r1, r1,
r2, r2, r3, r3 });
}
@Override protected void onDraw(Canvas canvas) {
mDrawable.setBounds(mRect);
float r = 35;
canvas.save();
canvas.translate(10, 10);
mDrawable.setGradientType(GradientDrawable.LINEAR_GRADIENT);
setCornerRadius(mDrawable, r, r, 0, 0);
mDrawable.draw(canvas);
canvas.restore();
canvas.translate(0, mRect.height() + 10);
canvas.save();
canvas.translate(10, 10);
mDrawable.setGradientType(GradientDrawable.RADIAL_GRADIENT);
setCornerRadius(mDrawable, 0, 0, r, r);
mDrawable.draw(canvas);
canvas.restore();
canvas.translate(0, mRect.height() + 10);
canvas.save();
canvas.translate(10, 10);
mDrawable.setGradientType(GradientDrawable.SWEEP_GRADIENT);
setCornerRadius(mDrawable, 0, r, r, 0);
mDrawable.draw(canvas);
canvas.restore();
}
}
}
Wiktionary - SDK samples Android
about.xml
protected void showAbout() {
// Inflate the about message contents
View messageView = getLayoutInflater().inflate(R.layout.about, null, false);
// When linking text, force to always use default color. This works
// around a pressed color state bug.
TextView textView = (TextView) messageView.findViewById(R.id.about_credits);
int defaultColor = textView.getTextColors().getDefaultColor();
textView.setTextColor(defaultColor);
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setIcon(R.drawable.app_icon);
builder.setTitle(R.string.app_name);
builder.setView(messageView);
builder.create();
builder.show();
}
about.xml
<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2009 The Android Open Source Project
//www.apache.org/licenses/LICENSE-2.0
-->
<LinearLayout xmlns:android="//schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:padding="20dip">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="16sp"
android:text="@string/app_descrip"
android:textColor="?android:attr/textColorPrimaryInverse" />
<TextView
android:id="@+id/about_credits"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="20dip"
android:textSize="16sp"
android:text="@string/app_credits"
android:autoLink="web"
android:textColor="?android:attr/textColorPrimaryInverse" />
</LinearLayout>
Locale lc = Locale.getDefault(); // default now locale on device
String sCountry = lc.getCountry(); // CZ
lc = new Locale("fr","FR"); //FRANCE .. Locale(language, country);
String sCountry2 = lc.getDisplayCountry(); // Francie
Locale locale = Locale.GERMAN;
String sCountry3 = locale.getDisplayCountry(); // ""
Locale locale = Locale.GERMAN;
DateFormat formatter = new SimpleDateFormat("HH:mm:ss zzzz", locale);
String s = formatter.format(new Date());//13:40:39 GMT+00:00
// array of locales
Locale[] locales = { new Locale("fr", "FR"), new Locale("de", "DE"),
new Locale("en", "US") };
Locale locale = Locale.US;
// for date
DateFormat dateFormatterEurope = DateFormat.getDateInstance(DateFormat.DEFAULT,
Locale.GERMANY);
Calendar myCalendar = Calendar.getInstance();
String sDate = dateFormatterEurope.format(myCalendar.getTime());
final byte[] langBytes = locale.getLanguage().getBytes(Charsets.US_ASCII);
// UTF-8 most widely used text format for to properly display of text
final Charset utfEncoding = Charsets.UTF_8;
String text = "ěščřžýáíéůú";
final byte[] textBytes = text.getBytes(utfEncoding);
// other Locale
CANADA
CANADA_FRENCH
CHINA
CHINESE
ENGLISH
FRANCE
FRENCH
GERMAN
GERMANY
ITALIAN
ITALY
JAPAN
JAPANESE
KOREA
KOREAN
PRC // Locale constant for zh_CN.
ROOT // Locale constant for the root locale.
SIMPLIFIED_CHINESE
TAIWAN
TRADITIONAL_CHINESE Locale constant for zh_TW.
UK
US
On Android device is path to *.apk like this example:
How get package *.apk path on device dynamically Android example
/data/app/cz.okhelp.my_package.apkHow get package *.apk path on device dynamically Android example
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
String sPackagePath = getPackageResourcePath();
}
C:\documents\workspace\.metadata\.plugins\org.eclipse.core.runtime\.settings\org.eclipse.jdt.ui.prefs
Editace: 2013-12-09 11:05:54
Počet článků v kategorii: 396
Url:shuffle-array-int-string-java-android
