Screen Android Landscape Portrait programmatically

Screen Android example source code for developers.
Get orientation of screen.


 public int getScreenOrientation() {
  if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT)                {
       return 1; // Portrait Mode
   
  }else if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_LANDSCAPE) {
       return 2;   // Landscape mode
  }
  return 0;
 }

396LW NO topic_id

Další témata ....(Topics)

169

Iterate HashMap getKey getValue Java Example | iterate-hashmap-getkey-getvalue-java-example


 HashMap<String,Locale> _mapOfLocale = new HashMap<String,Locale>();
    _mapOfLocale.put("French",Locale.	FRENCH	);	
    _mapOfLocale.put("German",Locale.	GERMAN	);	
    _mapOfLocale.put("Italian",Locale.	ITALIAN	);	

    for (Entry<String, Locale> entry : _mapOfLocale.entrySet()) {

       System.out.println(entry.getKey());
       System.out.println(entry.getValue());

      }

320

Installation error: INSTALL_FAILED_CONTAINER_ERROR | installation-error-install_failed_container_error

1.) Try delete some apps from Android emulator (can from Eclipse DDMS perspective
- File Explorer tab - data/apps folder path )
2.) Try resize emulator internal storage or SD card storage to hight size
3.)Try add to AndroidManifest.xml android:installLocation="preferExternal"


<manifest xmlns:android="//schemas.android.com/apk/res/android"
    package="com.myweb.mypackage"
    android:installLocation="preferExternal"

4.) Try resize particion from Eclipse
Preferences,
select Android- Launch
Add "-partition-size 1024" into "Default emulator option” field.
Click "Apply” and use your emulator as usual

How going life cycle if screen orientation changed Android example | how-going-life-cycle-if-screen-orientation-changed-android-example

onSaveInstanceState, onRestoreInstanceState life cycle if screen orientation changed from log file.


// starts activity
15:27:12.801: INFO/onCreate(1828): onCreate()
15:27:12.811: INFO/onStart(1828): onStart()
15:27:12.821: INFO/onResume(1828): onResume()
// activity is running 

15:27:33.651: DEBUG/dalvikvm(307): GC_EXPLICIT freed 186K, 53% 
free 2770K/5831K, external 981K/1038K, paused 99ms

// change emulator state Ctrl+F11 landscape, portrait
15:27:40.427: INFO/ActivityManager(74): Config changed: 
{ scale=1.0 imsi=310/260 loc=en_US touch=3 keys=2/1/2 nav=3/1 orien=2 layout=18 uiMode=17 seq=64}

// saved all variable values if need
15:27:40.581: INFO/onSaveInstanceState(1828): onSaveInstanceState()

15:27:40.602: INFO/onPause(1828): onPause()
15:27:40.612: INFO/onStop(1828): onStop()
15:27:40.631: INFO/onDestroy(1828): onDestroy()

// activity goes back to onCreate !!!!!!!!!
15:27:40.692: INFO/onCreate(1828): onCreate()
15:27:40.701: INFO/onStart(1828): onStart()

// restore all saved values of variables 
15:27:40.711: INFO/onRestoreInstanceState(1828): onRestoreInstanceState()
// you can using saved values by onSaveInstanceState() in onResume
15:27:40.721: INFO/onResume(1828): onResume()

Diagram of life cycle onSaveInstanceState, onRestoreInstanceState

[caption id="attachment_1169" align="alignleft" width="229" caption="Life cycle onRestoreInstanceState"]

android/life_cycle_onRestoreInstanceState-229x300.png

[/caption]

178

Samsung Galaxy S | 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

How to make a quick start the android emulator | how-to-make-a-quick-start-the-android-emulator

Very very quick start of Android Emulator from Eclipse.

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"]

android/android-emulator-quick-start-300x247.png