How to make a quick start the android emulator
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Very very quick start of Android Emulator from Eclipse.
If will closed Android Emulator all data will saved on disk.
If will reopen Android Emulator, configuration and data will read from disk.
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[/caption]
- Go to Eclipse s menu Window -> Android SDK and AVD Manager
- Select Virtual devices
- Select check box Snapshot: Enabled
- Press Edit AVD button.
If will closed Android Emulator all data will saved on disk.
If will reopen Android Emulator, configuration and data will read from disk.
[caption id="attachment_768" align="alignleft" width="300" caption="android-emulator-enable-quick-start"]

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If you want save battery, select "Satelite map" from map menu and reduce the brightness of the display.


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
Select file in project explorer
Menu:
File - Make File Read-only - to lock
File - Make File Writable - to unlock

Menu:
File - Make File Read-only - to lock
File - Make File Writable - to unlock

Window>Preference>Java>Editor>Typing and check the "Escape text when pasting into a string literal".
How start certain Activity if user clicked to ListView item
Start Activity from list – launches other activities from list - latest variant!!!!
Game class Game.java game.xml
You have to add class Game to AndroidManifest.xml
Start Activity from list – launches other activities from list - latest variant!!!!
public class Main extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
try {
setContentView(R.layout.main);
ListView mlistView = (ListView) findViewById(R.id.idListView);
mlistView.setAdapter(new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1,
new String[] {"Game", "Help", "Home site"}));
mlistView.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
// When clicked, show a toast with the TextView text Game, Help, Home
Toast.makeText(getApplicationContext(), ((TextView) view).getText(),
Toast.LENGTH_SHORT).show();
String sText = ((TextView) view).getText().toString();
Intent intent = null;
if(sText.equals("Game"))
intent = new Intent(getBaseContext(),
Game.class);
//else if(sText.equals("Help")) ..........
if(intent != null)
startActivity(intent);
}
});
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
Game class Game.java game.xml
You have to add class Game to AndroidManifest.xml
<activity android:name=".Game" android:label="GameLabel">
</activity>
package cz.okhelp.listview;
import android.app.Activity;
import android.os.Bundle;
public class Game extends Activity{
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// you have to create game.xml
setContentView(R.layout.game);
}
}
Editace: 2011-09-23 08:57:10
Počet článků v kategorii: 396
Url:how-to-make-a-quick-start-the-android-emulator
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