Java OnFocusChangeListener類代碼示例

import android.view.View.OnFocusChangeListener; //導入依賴的package包/類
@TargetApi(16)
public void onFocusChanged(boolean paramBoolean, int paramInt, Rect paramRect)
{
  super.onFocusChanged(paramBoolean, paramInt, paramRect);
  triggerAutocompleteSuggestionsIfPossible();
  if ((!paramBoolean) && (getError() == null) && (this.mOutOfFocusFieldValidatable != null)) {
    this.mOutOfFocusFieldValidatable.validate();
  }
  if ((paramBoolean) && (getError() != null)) {
    announceError();
  }
  if (this.mFocusChangeListenerList != null)
  {
    Iterator localIterator = this.mFocusChangeListenerList.iterator();
    while (localIterator.hasNext()) {
      ((View.OnFocusChangeListener)localIterator.next()).onFocusChange(this, paramBoolean);
    }
  }
}
 

import android.view.View.OnFocusChangeListener; //導入依賴的package包/類
public void createViewItems() {
	this.play = (ImageButton) findViewById(R.id.playButton);
	this.next = (ImageButton) findViewById(R.id.nextButton);
	this.previous = (ImageButton) findViewById(R.id.previousButton);
	this.random = (ImageButton) findViewById(R.id.btnShuffle);
	this.loop = (ImageButton) findViewById(R.id.btnRepeat);
	this.musicName = (TextView) findViewById(R.id.textView2);
	this.notConnectedWarning = (TextView) findViewById(R.id.textView4);
	this.warningLogo = (ImageView) findViewById(R.id.imageView2);
	this.mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
	this.mDrawerList = (ListView) findViewById(R.id.list_slidermenu);
	this.upload = (ImageButton) findViewById(R.id.upload_button);
	this.download = (ImageButton) findViewById(R.id.download_button);
	this.inputSearch = (EditText) findViewById(R.id.inputSearch);
	OnFocusChangeListener ofcListener = new MyFocusChangeListener();
	this.inputSearch.setOnFocusChangeListener(ofcListener);

}
 

import android.view.View.OnFocusChangeListener; //導入依賴的package包/類
/**
 * Attaches onTouchListener and onFocusListener to the EditText.
 * 
 * @param editText
 *            The editText with which the onTouchListener and
 *            onFocusChangeListener are to be associated.
 */
void attachOnTouchAndFocusListener(final EditText editText) {
	final String text = editText.getText().toString().trim();
	editText.setOnFocusChangeListener(new OnFocusChangeListener() {
		@Override
		public void onFocusChange(View view, boolean hasFocus) {
			if (hasFocus && !(text.equals(""))) {
				// check if keyboard is connected but accessibility services
				// are disabled
				if (!Utils.isAccessibilityEnabled(getApplicationContext())
						&& getResources().getConfiguration().keyboard != Configuration.KEYBOARD_NOKEYS) {
					if (text.equals("")) {
						// empty EditText
						TTS.speak(editText.getHint().toString());
					} else {
						if (text.matches("-?\\d+(\\.\\d+)?")) {
							TTS.readNumber(text);
						} else {
							TTS.speak(text);
						}
					}
				}
			}
		}
	});
}
 

import android.view.View.OnFocusChangeListener; //導入依賴的package包/類
/**
 * Attach onFocusChangeListener to the TextView passed as parameter to the
 * method. If a keyboard is connected to the device, a TTS feedback would be
 * given to the user informing him/her about the text on the TextView that
 * received focus.
 * 
 * @param textView
 *            is an instance of TextView.
 */
void attachListenerToTextView(final TextView textView) {
	textView.setOnFocusChangeListener(new OnFocusChangeListener() {

		@Override
		public void onFocusChange(View view, boolean hasFocus) {
			if (hasFocus) {
				// check if keyboard is connected but accessibility services
				// are disabled
				if (!Utils.isAccessibilityEnabled(getApplicationContext())
						&& getResources().getConfiguration().keyboard != Configuration.KEYBOARD_NOKEYS)
					giveFeedback(textView.getText().toString());
			}
		}
	});
}
 

import android.view.View.OnFocusChangeListener; //導入依賴的package包/類
/**
 * Sets the alpha of this FocusIndicatorHelper to 0 when a view with this listener
 * receives focus.
 */
public View.OnFocusChangeListener getHideIndicatorOnFocusListener() {
    return new OnFocusChangeListener() {
        @Override
        public void onFocusChange(View v, boolean hasFocus) {
            if (hasFocus) {
                endCurrentAnimation();
                setCurrentView(null);
                setAlpha(0);
                invalidateDirty();
            }
        }
    };
}
 

import android.view.View.OnFocusChangeListener; //導入依賴的package包/類
/**
 * 獲取焦點改變事件監聽，設置EditText文本默認全選
 * @return 焦點改變事件監聽
 */
protected OnFocusChangeListener getOnFocusChangeListener() {
	return new OnFocusChangeListener() {
		public void onFocusChange(View v, boolean hasFocus) {
			if (hasFocus && v instanceof EditText) {
				((EditText) v).setSelection(0, ((EditText) v).getText().length());
			}
		}
	};
}
 

import android.view.View.OnFocusChangeListener; //導入依賴的package包/類
private void showButtonDone(){
	View view=vf.getCurrentView();
	EditText etContent=(EditText) view.findViewById(R.id.aty_detail_content);
	etContent.setOnFocusChangeListener(new OnFocusChangeListener() {
		@Override
		public void onFocusChange(View v, boolean arg1) {
			if(arg1){
				biDone.setVisibility(View.VISIBLE);
			}else{
				biDone.setVisibility(View.GONE);
			}
		}
	});
}
 

import android.view.View.OnFocusChangeListener; //導入依賴的package包/類
@Override
protected void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.entry_form);

    final OnFocusChangeListener decimalNumberFormatter = new DecimalNumberFormattingOnFocusChangeListener();

    valueExtreme = getTextViewAndAddResettableWatcher(R.id.value_extreme);
    valueExtreme.setOnFocusChangeListener(decimalNumberFormatter);

    unitExtreme = getTextViewAndAddResettableWatcher(R.id.unit_extreme);
    valueMeansB = getTextViewAndAddResettableWatcher(R.id.value_means_b);
    valueMeansB.setOnFocusChangeListener(decimalNumberFormatter);
    unitMeansB = getTextViewAndAddResettableWatcher(R.id.unit_means_b);
    valueMeansC = getTextViewAndAddResettableWatcher(R.id.value_means_c);
    valueMeansC.setOnFocusChangeListener(decimalNumberFormatter);

    unitMeansC = getTextViewById(R.id.unit_means_c);
    valueResult = getTextViewById(R.id.value_result);
    unitResult = getTextViewById(R.id.unit_result);

    buttonCalculate = (Button) findViewById(R.id.entry_form_button_calculate);
    buttonCalculate.setOnClickListener(createCalculateButtonOnClickListener());
    buttonReset = (Button) findViewById(R.id.entry_form_button_reset);
    buttonReset.setOnClickListener(createResetButtonOnClickListener());

    requiredViewsForCalculation.add(valueExtreme);
    requiredViewsForCalculation.add(valueMeansB);
    requiredViewsForCalculation.add(valueMeansC);
}
 

import android.view.View.OnFocusChangeListener; //導入依賴的package包/類
public View.OnFocusChangeListener getOnFocusChangeListener()
{
	if (_onFocusChangeListener == null)
	{
		_onFocusChangeListener = getDecorView().getOnFocusChangeListener();
	}
	
	return _onFocusChangeListener; 
}
 

import android.view.View.OnFocusChangeListener; //導入依賴的package包/類
/**
 * Attaches onTouchListener and onFocusListener to the EditText passed as a
 * parameter.
 * 
 * @param editText
 *            The EditText with which the onTouchListener and
 *            onFocusListener are to be associated.
 */
void attachOnTouchAndFocusListener(final EditText editText) {
	final String text = editText.getText().toString().trim();

	editText.setOnFocusChangeListener(new OnFocusChangeListener() {

		@Override
		public void onFocusChange(View view, boolean hasFocus) {
			if (hasFocus && !(text.equals(""))) {
				// check if keyboard is connected but accessibility services
				// are disabled
				if (!Utils.isAccessibilityEnabled(getApplicationContext())
						&& getResources().getConfiguration().keyboard != Configuration.KEYBOARD_NOKEYS) {
					if (text.equals("")) {
						// empty EditText
						TTS.speak(editText.getHint().toString());
					} else {
						if (text.matches("-?\\d+(\\.\\d+)?")) {
							TTS.readNumber(text);
						} else {
							TTS.speak(text);
						}
					}
				}
			}
		}
	});
}
 

import android.view.View.OnFocusChangeListener; //導入依賴的package包/類
/**
 * Attaches onFocusChangeListener to the button passed as a parameter. When the button receives focus, giveFeedback method is called, that reads aloud the
 * string passed to it as a parameter.
 * 
 * @param button is an instance of Button.
 */
protected void attachListener(Button button) {
	final String text = button.getText().toString();

	button.setOnFocusChangeListener(new OnFocusChangeListener() {

		@Override
		public void onFocusChange(View view, boolean hasFocus) {
			if (hasFocus) {
				giveFeedback(text);
			}
		}
	});
}
 

import android.view.View.OnFocusChangeListener; //導入依賴的package包/類
/**
 * Attachs onFocusChangeListener to the spinner passed as a parameter. When the spinner receives focus, giveFeedback method is called, that reads aloud the
 * string passed to it as a parameter.
 * 
 * @param spinner is an instance of Spinner.
 */
protected void attachListenerToSpinner(Spinner spinner) {
	final String text = spinner.getContentDescription().toString();
	spinner.setOnFocusChangeListener(new OnFocusChangeListener() {
		@Override
		public void onFocusChange(View view, boolean hasFocus) {
			if (hasFocus) {
				giveFeedback(text);
			}
		}
	});
}
 

import android.view.View.OnFocusChangeListener; //導入依賴的package包/類
/**
 * Attaches onFocusChange listener to the TextView passed as a parameter to
 * the method, to track the change in focus of the TextView. If the TextView
 * receives focus, pass the content description of the TextView to
 * giveFeedback().
 * 
 * @param textView
 *            This is an instance of TextView.
 */
public void attachListener(final TextView textView) {
	textView.setOnFocusChangeListener(new OnFocusChangeListener() {
		@Override
		public void onFocusChange(View view, boolean hasFocus) {
			if (hasFocus) {
				giveFeedback(textView.getContentDescription().toString());
			}
		}
	});
}
 

import android.view.View.OnFocusChangeListener; //導入依賴的package包/類
/**
 * Attaches onFocusListener to the TextView passed as a parameter. The text
 * specified in the TextView is sent to giveFeedback method.
 * 
 * @param textView
 *            The TextView with which onFocusChange listener is to be
 *            associated.
 **/
void attachListenerToTextView(TextView textView) {
	final String text = textView.getText().toString();
	textView.setOnFocusChangeListener(new OnFocusChangeListener() {

		@Override
		public void onFocusChange(View view, boolean hasFocus) {
			if (hasFocus) {
				giveFeedback(text);
			}
		}
	});
}
 

import android.view.View.OnFocusChangeListener; //導入依賴的package包/類
/**
 * Attaches onFocusChange listener to the TextView passed as a parameter to
 * the method, to track the change in focus of the TextView. If the TextView
 * receives focus, pass the content description of the TextView to
 * giveFeedback().
 * 
 * @param textView
 *            This is an instance of TextView.
 */
void attachListenerToTextView(TextView textView) {
	textView.setOnFocusChangeListener(new OnFocusChangeListener() {

		@Override
		public void onFocusChange(View view, boolean hasFocus) {
			if (hasFocus) {
				giveFeedback(((TextView) view).getText().toString());
			}
		}
	});
}