自定义clear edittext

public class ClearEditText extends EditText implements

       OnFocusChangeListener, TextWatcher {

private Drawable mClearDrawable;

public ClearEditText(Context context) {

this(context, null);

}

public ClearEditText(Context context, AttributeSet attrs) {

this(context, attrs, android.R.attr.editTextStyle);

}

public ClearEditText(Context context, AttributeSet attrs, int defStyle) {

super(context, attrs, defStyle);

init();

}

private void init() {

mClearDrawable = getCompoundDrawables()[2];

if (mClearDrawable == null) {

mClearDrawable = getResources()

.getDrawable(R.drawable.ic_clear);

}

mClearDrawable.setBounds(0, 0, mClearDrawable.getIntrinsicWidth(), mClearDrawable.getIntrinsicHeight());

setClearIconVisible(false);

setOnFocusChangeListener(this);

addTextChangedListener(this);

}

@Override

public boolean onTouchEvent(MotionEvent event) {

if (getCompoundDrawables()[2] != null) {

if (event.getAction() == MotionEvent.ACTION_UP) {

boolean touchable = event.getX() > (getWidth()

- getPaddingRight() - mClearDrawable.getIntrinsicWidth())

&& (event.getX() < ((getWidth() - getPaddingRight())));

if (touchable) {

this.setText("");

}

}

}

return super.onTouchEvent(event);

}

@Override

public void onFocusChange(View v, boolean hasFocus) {

if (hasFocus) {

setClearIconVisible(getText().length() > 0);

} else {

setClearIconVisible(false);

}

}

protected void setClearIconVisible(boolean visible) {

Drawable right = visible ? mClearDrawable : null;

setCompoundDrawables(getCompoundDrawables()[0],

getCompoundDrawables()[1], right, getCompoundDrawables()[3]);

}

@Override

public void onTextChanged(CharSequence s, int start, int count,

int after) {

setClearIconVisible(s.length() > 0);

}

@Override

public void beforeTextChanged(CharSequence s, int start, int count,

int after) {

}

@Override

public void afterTextChanged(Editable s) {

}

public void setShakeAnimation(){

this.setAnimation(shakeAnimation(5));

}

public static Animation shakeAnimation(int counts){

Animation translateAnimation = new TranslateAnimation(0, 10, 0, 0);

translateAnimation.setInterpolator(new CycleInterpolator(counts));

translateAnimation.setDuration(1000);

return translateAnimation;

}

}

你可能感兴趣的:(自定义clear edittext)