|
|
@@ -0,0 +1,163 @@
|
|
|
+package com.core.widget;
|
|
|
+
|
|
|
+import android.content.Context;
|
|
|
+import android.graphics.drawable.Drawable;
|
|
|
+import android.support.v4.view.MotionEventCompat;
|
|
|
+import android.text.Editable;
|
|
|
+import android.text.TextUtils;
|
|
|
+import android.text.TextWatcher;
|
|
|
+import android.util.AttributeSet;
|
|
|
+import android.view.MotionEvent;
|
|
|
+import android.view.View;
|
|
|
+import android.view.View.OnFocusChangeListener;
|
|
|
+import android.view.animation.Animation;
|
|
|
+import android.view.animation.CycleInterpolator;
|
|
|
+import android.view.animation.TranslateAnimation;
|
|
|
+import android.widget.EditText;
|
|
|
+
|
|
|
+import com.core.app.R;
|
|
|
+
|
|
|
+
|
|
|
+public class ClearEditText extends EditText implements OnFocusChangeListener, TextWatcher {
|
|
|
+ /**
|
|
|
+ * 删除按钮的引用
|
|
|
+ */
|
|
|
+ private Drawable mClearDrawable;
|
|
|
+ private boolean mFocusClear = false;
|
|
|
+
|
|
|
+ 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() {
|
|
|
+ // 获取EditText的DrawableRight,假如没有设置我们就使用默认的图片
|
|
|
+ mClearDrawable = getCompoundDrawables()[2];
|
|
|
+ if (mClearDrawable == null) {
|
|
|
+ mClearDrawable = getResources().getDrawable(R.drawable.search_clear);
|
|
|
+ }
|
|
|
+ mClearDrawable.setBounds(0, 0, mClearDrawable.getIntrinsicWidth(), mClearDrawable.getIntrinsicHeight());
|
|
|
+ setClearIconVisible(false);
|
|
|
+ setOnFocusChangeListener(this);
|
|
|
+ addTextChangedListener(this);
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 因为我们不能直接给EditText设置点击事件,所以我们用记住我们按下的位置来模拟点击事件 当我们按下的位置 在 EditText的宽度 - 图标到控件右边的间距 - 图标的宽度 和 EditText的宽度 - 图标到控件右边的间距之间我们就算点击了图标,竖直方向没有考虑
|
|
|
+ */
|
|
|
+ @Override
|
|
|
+ public boolean onTouchEvent(MotionEvent event) {
|
|
|
+ int action = MotionEventCompat.getActionMasked(event);
|
|
|
+ if (action == MotionEvent.ACTION_DOWN) {
|
|
|
+ if (!TextUtils.isEmpty(getError())) {
|
|
|
+ setError(null, null);
|
|
|
+ setClearIconVisible(getText().length() > 0);
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ 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);
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 当ClearEditText焦点发生变化的时候,判断里面字符串长度设置清除图标的显示与隐藏
|
|
|
+ */
|
|
|
+ @Override
|
|
|
+ public void onFocusChange(View v, boolean hasFocus) {
|
|
|
+ if (mFocusClear) {
|
|
|
+ if (hasFocus) {
|
|
|
+ setClearIconVisible(getText().length() > 0);
|
|
|
+ } else {
|
|
|
+ setClearIconVisible(false);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 当焦点改变的时候,显示或者隐藏Clear icon
|
|
|
+ */
|
|
|
+ public void setFocusClear(boolean focusClear) {
|
|
|
+ mFocusClear = focusClear;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 设置清除图标的显示与隐藏,调用setCompoundDrawables为EditText绘制上去
|
|
|
+ *
|
|
|
+ * @param visible
|
|
|
+ */
|
|
|
+ protected void setClearIconVisible(boolean visible) {
|
|
|
+ if (visible) {
|
|
|
+ if (!TextUtils.isEmpty(getError())) {
|
|
|
+ setError(null);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (visible) {
|
|
|
+ if (mFocusClear && !hasFocus()) {
|
|
|
+ visible = false;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ Drawable right = visible ? mClearDrawable : null;
|
|
|
+ if (getCompoundDrawables()[2] != right) {
|
|
|
+ setCompoundDrawables(getCompoundDrawables()[0], getCompoundDrawables()[1], null, getCompoundDrawables()[3]);
|
|
|
+ }
|
|
|
+ setCompoundDrawables(getCompoundDrawables()[0], getCompoundDrawables()[1], right, getCompoundDrawables()[3]);
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 当输入框里面内容发生变化的时候回调的方法
|
|
|
+ */
|
|
|
+ @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) {
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 设置晃动动画
|
|
|
+ */
|
|
|
+ public void setShakeAnimation() {
|
|
|
+ this.setAnimation(shakeAnimation(5));
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 晃动动画
|
|
|
+ *
|
|
|
+ * @param counts
|
|
|
+ * 1秒钟晃动多少下
|
|
|
+ * @return
|
|
|
+ */
|
|
|
+ public static Animation shakeAnimation(int counts) {
|
|
|
+ Animation translateAnimation = new TranslateAnimation(0, 10, 0, 0);
|
|
|
+ translateAnimation.setInterpolator(new CycleInterpolator(counts));
|
|
|
+ translateAnimation.setDuration(1000);
|
|
|
+ return translateAnimation;
|
|
|
+ }
|
|
|
+
|
|
|
+}
|