Click Handler

Click Handler Android Java example source code. Open new class as activity and open URL in browser.
In layout.xml file:

In string.xml


myClickHandler

In MainClass.java file


	public void myClickHandler(View view) {
		switch (view.getId()) {
		// open new class as activity
		case R.id.btnOpenClass: {
				Intent pictureActivity = new Intent(getBaseContext(),
						MyClass.class);
				startActivity(pictureActivity);
		}
		break;			
			
		case R.id.btnAbout: {
			//aboutDialogCreate();
		}
			break;
			
		// open url	
		 case R.id.btnHome: {
		 String url = "//android.okhelp.cz/";
		 Intent i = new Intent(Intent.ACTION_VIEW);
		 i.setData(Uri.parse(url));
		 startActivity(i);
		 }break;

		}

	}// end myClickHandler

// listener .. if click on button will scrolling to mTextView bottom
private OnClickListener mButtonListener = new OnClickListener() {
	    public void onClick(View v) {
	      // do something when the button is clicked
	    int nBottom =	mTextView.getBottom();
	    hScrollView.scrollTo(0, nBottom);
	    }
	};

396LW NO topic_id

Další témata ....(Topics)

Number convert int to string Java Android example code | number

Convert number int to string Android Java example source code.


int n = 0;

try {
    n = Integer.parseInt("21"));
} catch(NumberFormatException e) {
   System.out.println("Could not parse " + e);
} 
// int to string
String s = String.valueOf(24);

Goto labeled statement in Java example | goto-labeled-statement-in-java-example

Goto in for cycle Java example source code.
MainClass.java


public class MainClass {
	public static void main(String[] arg) {
		String[] arrayOfString = {"nothing", "Hello", "people"
				, "bye-bye", "hello", "world!", "end" };
		
	    OuterLoop: for (int i = 0;i<6; i++) {
	        for (int j = 0; j < arrayOfString.length; j++) {
	        	if (arrayOfString[j].equals("world!")) {
	            continue OuterLoop; // as goto from Csharp, or C/C++
	          }
	          System.out.println(arrayOfString[j]);
	          System.out.println(i);
	          if (i == 1) {
	        	  System.out.println("break");
	        	  
	        	  break OuterLoop;
	          }
	        }
	      }
		
	}
}
/*
nothing
0
Hello
0
people
0
bye-bye
0
hello
0
nothing
1
break
*/

390

Android 4.4 Lenovo A6000 black screen | android-4-4-lenovo-a6000-black-screen

Try reboot device.
Start device with start button on side of phone.
Screen will go to light black color.
Long press Start button for menu:
Power off
Reboot
Airplane mode

Reboot item is in same level like Start button.
Click on the screen - (Hear a click)
Now find OK button , it is under Reboot item on right side of screen.
Press OK (Hear a click)
Wait a moment.
If device to do nothing , try short press Start button (sreen will black)
and again to press Start button. If screen go to light black color,
try again find Reboot item as written above.

258

Shuffle Array of String Java Example | shuffle-array-of-string-java-example


       String[] sAr = new String[] {"one","two","three"};
       List<String> wordList = Arrays.asList(sAr);
       Collections.shuffle( wordList);
       String[]myShuffledArray = wordList.toArray(new String[wordList.size()]);

172

Custom View Android Basic Example | custom-view-android-basic-example

Activity.java


public class A extends Activity{
	Bitmap bm;
	 TouchImageView touch;
	
	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		 setContentView(R.layout.main);
		 
		 bm = BitmapFactory.decodeResource(getResources(), R.drawable.chinese_sky_map);
 		 touch =  (TouchImageView)findViewById(R.id.myImageView);
	  touch.setImageBitmap(bm);
		 
	}
}

\res\layout\main.xml


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="//schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >


    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/hello" />

    <cz.okhelp.TouchImageView.TouchImageView
        android:id="@+id/myImageView"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        
        />

</LinearLayout>

location TouchImageView\src\cz\okhelp\TouchImageView\TouchImageView.java


public class TouchImageView extends ImageView {


    Context context;

// constructor wihtout using  *.xml file
//    public TouchImageView(Context context) {
//        super(context);
// }

// constructor with xml file
    public TouchImageView(Context context, AttributeSet attrs)
    {
      super(context, attrs);
      super.setClickable(true);
        this.context = context;
  }
}

Editace: 2011-09-26 20:52:49
Počet článků v kategorii: 396
Url:click-handler-android-code