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Android button text alignment left right - sample


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android:gravity="left|center_vertical" or android:gravity="right|center_vertical"
               
<Button
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:gravity="left|center_vertical"
                    android:paddingLeft="20dp"
                    android:text="My Button"
                     />


397LW NO topic_id




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Další témata ....(Topics)


107

Memory usage of application in Android sample code | memory-usage-of-application-in-android-sample-code



public class MainClass extends Activity {
ActivityManager activityManager; 
MemoryInfo memoryInfo; 
final String TAG = "MemInfo";


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

         activityManager = (ActivityManager) getSystemService(ACTIVITY_SERVICE);
         memoryInfo = new ActivityManager.MemoryInfo();

        activityManager.getMemoryInfo(memoryInfo);
 
    	           Log.i(TAG, " memoryInfo.availMem " + memoryInfo.availMem);
    	           Log.i(TAG, " memoryInfo.lowMemory " + memoryInfo.lowMemory);
    	           Log.i(TAG, " memoryInfo.threshold " + memoryInfo.threshold);

  Toast.makeText(getApplicationContext(),  String.valueOf( memoryInfo.availMem), Toast.LENGTH_LONG)
		.show();

    } // end onCreate
}
254

Spinner Text Size Android Example | spinner-text-size-android-example



      Spinner  _spin1 = (Spinner) findViewById(R.id.spinLangFirst);
      ArrayAdapter<String> adapterJazyky = new ArrayAdapter<String>(this,
              R.layout.spinner_text_layout.xml, {"one","two","etc...."});
      adapterJazyky.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
      _spin1.setAdapter(adapterJazyky);





spinner_text_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="//schemas.android.com/apk/res/android"
          android:id="@+id/spinnerText"
          android:layout_width="fill_parent"
          android:layout_height="wrap_content"
         
         android:textSize="20sp"
/>
155

Hue saturation, color, colored filtering Bitmap Image Android example | hue-color-colored-filter-bitmap-image-android-example


colored filtering bitmap android

/* Copyright (C) 2011 The Android Open Source Project
//www.apache.org/licenses/LICENSE-2.0
*/
public class MainActivity extends Activity {
private ImageView imageView;
private Button button1;
Drawable bitmapOrg;
private final int[] mColors =
{Color.BLUE, Color.GREEN, Color.RED, Color.LTGRAY, Color.MAGENTA, Color.CYAN,
		Color.YELLOW, Color.WHITE};
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		imageView = (ImageView)findViewById(R.id.imageView1);
		button1 = (Button)findViewById(R.id.button1);

		
		bitmapOrg = this.getResources().getDrawable(R.drawable.flower_blue);
        
        button1.setOnClickListener(new OnClickListener() {
            public void onClick(View view) {
                int mColor = (int) Math.floor(Math.random() * mColors.length);
                bitmapOrg.setColorFilter(mColors[mColor], PorterDuff.Mode.MULTIPLY);
                imageView.setImageDrawable(bitmapOrg);
                imageView.invalidate();
            }
        });	
 	}

}

163

Set Tab Tabulator size in Eclipse Editor with image | set-tab-tabulator-size-in-eclipse-editor


Go to Eclipse menu:
Window -> Preferences -> Java -> Code Style -> Formatter
Press NEW profile or EDIT if have you some profile.
Setup your settings.
Save settings.

eclipse editor tab formating
86

Map TreeMap key value pair add put get pair by key Java Android example | map-treemap-key-value-pair-add-put-get-pair-by-key-java-android-example


Map TreeMap add key value pair get find pair by key Java Android example.

MainClass.java

import java.util.Map;
import java.util.TreeMap;

public class MainClass {
	public static void main(String[] arg) {
		
		// english;germany dictionary
		String[] arrayOfString = { "one;eine", "two;zwei", "three;drei" };

		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);
	    	}
	    }

       // check if key exists 	    
	   if( map.containsKey("two")){
		System.out.print("two = " + map.get("two"));
	   }
	}
}
/*
two = zwei
 */



Editace: 2011-10-30 11:25:20
Počet článků v kategorii: 397
Url:android-button-textalignment

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