Click Handler

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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);
	    }
	};

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Saving Activity state int String Array Double on Android | saving-activity-state-int-string-array-double-on-android


private int[] mData = new int[2]; // fill some values into array!!
 @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putBoolean("myBoolean", true);
        outState.putDouble("myDouble", 2.7);
        outState.putInt("myInt", 5);
        outState.putString("myString", "Heloo girls!");
       int[] data = new int[mData.length];
        for (int i = 0; i < data.length; i++) {
            data[i] = mData[i];
        }
        outState.putIntArray("myArray", data);

    }
@Override
public void onRestoreInstanceState(Bundle savedInstanceState) {
  super.onRestoreInstanceState(savedInstanceState);
  boolean myBoolean = savedInstanceState.getBoolean("myBoolean", false); // false basic value
  double myDouble = savedInstanceState.getDouble("myDouble", 1.5); // 1.5 basic value
  int myInt = savedInstanceState.getInt("myInt", 10);
  String myString = savedInstanceState.getString("myString", "Hello boys!");
  int[] data = savedInstanceState.getIntArray("myArray");
  
  if (data != null && data.length == mData.length) {
            for (int i = 0; i < data.length; i++) {
                mData[i] = data[i];
            }
        }
}
@Override
public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  boolean myBoolean =  savedInstanceState != null ? savedInstanceState.getBoolean("myBoolean", false) : true;
// etc.  .......
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Show keyboard in WebView Android example | webview-keyboard

Show keyboard if WebView input have focus Android apps development example source code.


WebView webview;

//in onCreate

	webview = (WebView) findViewById(R.id.idWebviewPda);
	webview.getSettings().setJavaScriptEnabled(true);
	webview.loadUrl("//android.okhelp.cz");
	
	webview.requestFocus(View.FOCUS_DOWN);
    webview.setOnTouchListener(new View.OnTouchListener() {
        @Override
        public boolean onTouch(View v, MotionEvent event) {
            switch (event.getAction()) {
                case MotionEvent.ACTION_DOWN:
                case MotionEvent.ACTION_UP:
                    if (!v.hasFocus()) {
                        v.requestFocus();
                    }
                    break;
            }
            return false;
        }
    });

Editace: 2011-09-26 20:52:49
Počet článků v kategorii: 397
Url:click-handler-android-code

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