Samsung Galaxy S
Samsung Galaxy S nejlepší cena od 4 500 KCZ Kč (únor.2012)
Samsung Galaxy S je chytrý telefon s operačním systémem Android.
Samsung Galaxy S je (22.února2012) 5. a 6. nejpoužívanějším chytrým telefonem u programu Sky Map viz tabulka.
Samsung Galaxy S byl představen firmou Samsung v březnu 2010. Je vybaven 1 GHz ARM "Hummingbird - kolibřík" procesorem, 8-16 GB interní flash pamětí, 4-palcovým 480 × 800 pixelů Super AMOLED kapacitním dotykovým displejem, Wi-Fi připojením, 5-megapixelovým fotoaparátem s maximálním rozlišením 2560x1920 a u vybraných modelů předním čelním 0,3 MP fotoaparátem VGA (640x480).
Samsung Galaxy S photo pic image
Zdroj obrázku: wikipedia
Samsung Galaxy S je chytrý telefon s operačním systémem Android.
Samsung Galaxy S je (22.února2012) 5. a 6. nejpoužívanějším chytrým telefonem u programu Sky Map viz tabulka.
Samsung Galaxy S byl představen firmou Samsung v březnu 2010. Je vybaven 1 GHz ARM "Hummingbird - kolibřík" procesorem, 8-16 GB interní flash pamětí, 4-palcovým 480 × 800 pixelů Super AMOLED kapacitním dotykovým displejem, Wi-Fi připojením, 5-megapixelovým fotoaparátem s maximálním rozlišením 2560x1920 a u vybraných modelů předním čelním 0,3 MP fotoaparátem VGA (640x480).
Samsung Galaxy S photo pic image

Zdroj obrázku: wikipedia
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Calendar cal = new GregorianCalendar(), int year = cal.get(Calendar.YEAR),
ERA, MONTH, DAY_OF_MONTH, DAY_OF_WEEK, Android example code.
ERA, MONTH, DAY_OF_MONTH, DAY_OF_WEEK, Android example code.
public class MainActivity extends Activity {
TextView txtV;
Context cntx;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
txtV = (TextView)findViewById(R.id.idLabel);
cntx = this;
Calendar cal = new GregorianCalendar();
int era = cal.get(Calendar.ERA); // 0 B.C. before Christ, 1 Anno Domini
txtV.setText(txtV.getText() +"
" + era);
int year = cal.get(Calendar.YEAR); // 2011
txtV.setText(txtV.getText() +"
" + year);
int month = cal.get(Calendar.MONTH); // 0 is Januar
txtV.setText(txtV.getText() +"
" + month);
int day = cal.get(Calendar.DAY_OF_MONTH); // 1 to 31
txtV.setText(txtV.getText() +"
" + day);
int dayOfWeek = cal.get(Calendar.DAY_OF_WEEK); // 1=Sunday, 2=Monday ...
txtV.setText(txtV.getText() +"
" + dayOfWeek);
}
}
Create file restartADB.bat in folder
c:\Program Files\Android\android-sdk-windows\platform-tools\
Write into restartADB.bat this code:
Save restartADB.bat file.
If you want restart adb.exe server, run restartADB.bat by double click on icon.
Next example:
[caption id="attachment_778" align="alignleft" width="300" caption="ADB server restart by command line"]
[/caption]
Try restart ADB if this or similar errors:
Emulator] emulator: emulator window was out of view and was recentred
c:\Program Files\Android\android-sdk-windows\platform-tools\
Write into restartADB.bat this code:
adb kill-server && adb start-server
pause
Save restartADB.bat file.
If you want restart adb.exe server, run restartADB.bat by double click on icon.
Next example:
- Open Total Commander
- Open folder with adb.exe usually in
c:\Program Files\Android\android-sdk-windows\platform-tools\ - Put into command line command: adb kill-server && adb start-server and press Enter
[caption id="attachment_778" align="alignleft" width="300" caption="ADB server restart by command line"]

Try restart ADB if this or similar errors:
Emulator] emulator: emulator window was out of view and was recentred
Example source code for Android development. How set gray text to EditText when EditText is blank.
Hint text to display when the text is empty.
In layout/main.xml insert to EditText row Attribute Name android:hint="Some text"
Programatically you can use method setHint:
Hint text to display when the text is empty.
In layout/main.xml insert to EditText row Attribute Name android:hint="Some text"
<EditText
android:id="@+id/myEdit"
android:layout_height="wrap_content" android:layout_width="fill_parent"
android:hint="Some text"
android:singleLine="true"
</EditText>
Programatically you can use method setHint:
// setHint(CharSequence hint) example
(EditText)findViewById(R.id.myEdit).setHint("My text");
// or int resId as method setHint(int resId)
EditText myEdit = findViewById(R.id.myEdit);
myEdit.setHint(R.string.app_name);
Get key by value from Map Java Android example
MainClass.java
MainClass.java
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.TreeMap;
public class MainClass {
public static void main(String[] arg) {
// english;germany dictionary
String[] arrayOfString = { "one;eine", "two;zwei", "two sets of;zwei"
, "three;drei", "four;vier" };
Map<String, String> map = new TreeMap<String, String>();
for (String s : arrayOfString) {
String[] array = s.split(";");
String sKey = "", sValue = "";
if (array.length > 1) {
sKey = array[0];
sValue = array[1];
map.put(sKey, sValue);
}
}
if (map.containsValue("zwei")) {
Set<String> references = getKeysByValue(map, "zwei");
Iterator<String> it = references.iterator();
while (it.hasNext()) {
String key = (String) it.next();
String value = map.get(key);
System.out.println(key + " = " + value);
}
}
}
public static <T, E> Set<T> getKeysByValue(Map<T, E> map, E value) {
Set<T> keys = new HashSet<T>();
for (Entry<T, E> entry : map.entrySet()) {
if (entry.getValue().equals(value)) {
keys.add(entry.getKey());
}
}
return keys;
}
}
/*
two = zwei
two sets of = zwei
*/
Android app setup preferences, settings, open, read, write, onStop(), onPause(), getSharedPreferences(), SharedPreferences.Editor getInt(), getBoolean(), getString() , putInt(), putString(), putBoolean() example source code.
import android.content.SharedPreferences;
public class MainClass extends Activity {
public static final String PREFERENCES_NAME = "MyPrefsFile";
String myNewString;
int myNewInt;
Boolean myNewBool;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// read old settings if exist
SharedPreferences settings = getSharedPreferences(PREFERENCES_NAME, 0);
String sDefault = "Hello!";
String sStringFromPrefFile = settings.getString("myString", sDefault); // new text or default Hello!
int nDefaultIndex = 2; //
int nIndexFromPrefFile = settings.getInt("myInt", nDefaultIndex); // 4 or default 2
Boolean bDefault = false;
Boolean bFromPrefFile = settings.getBoolean("silentMode", bDefault); // true or default false
// new settings will saved in onStop or onPause
myNewString = "new text";
myNewInt = 4;
myNewBool = true;
}
@Override
protected void onPause() {
super.onPause();
Toast.makeText(getApplicationContext(), "onPause "
, Toast.LENGTH_SHORT).show();
savePreferences();
}
@Override
protected void onStop() {
super.onStop();
savePreferences();
}
/**save settings*/
public void savePreferences(){
try {
SharedPreferences settings = getSharedPreferences(PREFERENCES_NAME, 0);
SharedPreferences.Editor editor = settings.edit();
editor.putString("myString", myNewString);
editor.putInt("nMyInt", myNewInt);
editor.putBoolean("silentMode", myNewBool); //
editor.commit();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
Editace: 2012-02-22 11:25:55
Počet článků v kategorii: 396
Url:samsung-galaxy-s