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Android Fragment Examples


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Code look up at the Api Demos

android_fragments arguments attributes - three fragments on screen
android_fragments_arguments

android_fragments_alert_dialog
android_fragments_alert_dialog.png

android_fragments_context_menu
android_fragments_context_menu.png

android_fragments_custom_animation
android_fragments_custom_animation.png

android_fragments_dialog
android_fragments_dialog.png

android_fragments_dialog_or_activity
android_fragments_dialog_or_activity.png

fragment_hide_show
fragment_hide_show.png

fragment_layout
fragment_layout

fragments_list_array
fragments_list_array.png

fragment_menu
fragment_menu.png

android_fragments_get_result_from_fragment and tabs in two rows
android_fragments_get_result_from_fragment.png

android_fragments_recive_result
android_fragments_recive_result.png

android_fragments_stack
android_fragments_stack.png

fragment_tabs
fragment_tabs.png






397LW NO topic_id




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Další témata ....(Topics)


41

Preferences settings save open read write application Android example | preferences-settings-save-open-red-application-android-example


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();
    	}
    	
    }	
}
127

Force Screen On - dont use WakeLock - use getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON) - Android sample | force-screen-on-dont-use-wakelock-use-getwindow-addflagswindowmanager-layoutparams-flag_keep_screen_on-android-sample


FLAG_KEEP_SCREEN_ON saving energy. Protects the battery if a user closing applications using the Return button on device. The device will returned to user screen mode settings.

@Override
    protected void onCreate(Bundle icicle) {
        super.onCreate(icicle);
        //..........
        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
    }
261

Iterate over each Entry in Map Java Android | iterate-over-each-entry-in-map-java-android


entry put iterate Map HashMap Java Android

Map<String, Integer> map = new HashMap<String, Integer>();
map.put("key27", 27);
for (Map.Entry<String, Integer> entry : map.entrySet())
{
 String str = entry.getKey();
 int n = entry.getValue();
}
53

Timer stopwatch based on Java Calendar class Android example | timer-stopwatch-java-calendar-android-example


Start Stop Stopwatch Timer Android example source code.


private static long mStartTime = 0L;
Calendar cal;
TextView hTextViewVypis = (TextView)findViewById(R.id.idTextVypis);

void start(){
            cal = Calendar.getInstance();
            mStartTime = cal.getTimeInMillis();
}

void stop(){
     prinOutStopWatchTime();
}


    private void prinOutStopWatchTime() {
    	final long start = mStartTime;
    	
    	cal = Calendar.getInstance();
    	long stopTime = cal.getTimeInMillis();
    	long millis = stopTime - start;
    	long milisekundy = millis % 1000;
    	int seconds = (int) (millis / 1000);
    	int minutes = seconds / 60;
    	seconds     = seconds % 60;
    	int hour = minutes / 60;
    	hour = hour % 60;
    	
    	if (seconds < 10) {
    		hTextViewVypis.setText(hour +  ":" + minutes + ":0" + seconds + ":" + milisekundy);
    	} else {
    		hTextViewVypis.setText(hour  +  ":" + minutes + ":" + seconds + ":" + milisekundy);            
    	}
    	
    }




180

HTC Incredible 2 | htc-incredible-2


HTC Incredible 2 cena od 6 000 KCZ Kč (únor.2012)
Spokojenost uživatelů nadprůměrná.
HTC Incredible 2 je chytrý telefon s operačním systémem Android.
HTC Incredible 2 je (22.února2012) 7. nejpoužívanějším chytrým telefonem u programu Sky Map viz tabulka.

HTC Incredible 2 - video recense



Editace: 2017-02-01 12:36:57
Počet článků v kategorii: 397
Url:android-fragment-examples

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