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Iterate over each Entry in Map Java Android


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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();
}

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250

Drawable Bitmap get width height Android | drawable-bitmap-get-width-height-android



		Drawable dr = getResources().getDrawable(R.drawable.algebra);
		int h = dr.getIntrinsicHeight();
		int w = dr.getIntrinsicWidth();

		Bitmap ball = BitmapFactory.decodeResource(getResources(), R.drawable.algebra);
		int _nWidth = ball.getWidth();
		int _nHeight = ball.getHeight();


66

Locale location Java Android example | locale-location-java-android-example



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
55

How update View TextView with timer Android runnable example | how-update-view-textview-with-timer-android-runnable-example


Update TextView by runnable. Handler, runnable, timer Android example.


public class TimerActivity extends Activity {
TextView hTextView;
Button hButton, hButtonStop;
private Handler mHandler = new Handler();
private int nCounter = 0;
@Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        hTextView = (TextView)findViewById(R.id.idTextView);
        hButton = (Button)findViewById(R.id.idButton);
        hButton.setOnClickListener(mButtonStartListener);
        hButtonStop = (Button)findViewById(R.id.idButtonStop);
        hButtonStop.setOnClickListener(mButtonStopListener);
    } // end onCreate

View.OnClickListener mButtonStartListener = new OnClickListener() {
	public void onClick(View v) {
		try {
			mHandler.removeCallbacks(hMyTimeTask);
         //        Parameters
         //        r  The Runnable that will be executed. 
         //        delayMillis  The delay (in milliseconds) until the Runnable will be executed. 
                       mHandler.postDelayed(hMyTimeTask, 1000); // delay 1 second
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
};


private Runnable hMyTimeTask = new Runnable() {
	   public void run() {
		   nCounter++;
	    	   hTextView.setText("Hallo from thread counter: " + nCounter);
	   }
	}; 
/**
 * 
 */
    View.OnClickListener mButtonStopListener = new OnClickListener() {
    	public void onClick(View v) {
    		 mHandler.removeCallbacks(hMyTimeTask);
    		
    	}
    };
}





main.xml



<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="//schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
<TextView  
	android:id="@+id/idTextView"
    android:layout_width="fill_parent" 
    android:layout_height="wrap_content" 
    android:text="@string/hello"
    />
<Button android:text="Button" 
android:id="@+id/idButton" 
android:layout_width="wrap_content" 
android:layout_height="wrap_content"></Button>
 
 <Button android:layout_width="wrap_content" 
 android:layout_height="wrap_content" 
 android:id="@+id/idButtonStop" 
 android:text="Stop"></Button> 
    
    
</LinearLayout>




62

Date Calendar Java Android Example | date-calendar-java-android-example


Calendar cal = new GregorianCalendar(), int year = cal.get(Calendar.YEAR),
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); } }
46

How get versionName package name versionCode minSdkVersion Android example | how-get-versionname-package-name-versioncode-android-example


How get application version, sdk version, package name defined in the AndroidManifest file programmically Android sample.

MainClass.java onCreate()

	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
			setContentView(R.layout.main);

         // in onCreate
         PackageInfo pinfo = this.getPackageManager().getPackageInfo(getPackageName(), 0);
         String sVersionCode = pinfo.versionCode; // 1
         String sVersionName = pinfo.versionName; // 1.0
         String sPackName = getPackageName(); // cz.okhelp.my_app
         int nSdkVersion = Integer.parseInt(Build.VERSION.SDK); // 7
         int nSdkVers = Build.VERSION.SDK_INT; // 7

       }



AndroidManifes.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="//schemas.android.com/apk/res/android"
      package="cz.okhelp.my_app"
      android:versionCode="1"
      android:versionName="1.0">
    <uses-sdk android:minSdkVersion="7" />

    <application android:icon="@drawable/icon" android:label="@string/app_name">
        <activity android:name=".Add_view_to_tableActivity"
                  android:label="@string/app_name">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

    </application>
</manifest>



Editace: 2013-03-02 12:06:08
Počet článků v kategorii: 397
Url:iterate-over-each-entry-in-map-java-android

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