package com.qyk.douban.widget; import android.content.Context;
import android.text.Editable;
import android.text.InputType;
import android.text.Selection;
import android.text.TextWatcher;
import android.util.AttributeSet;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.EditText;
import android.widget.TextView; public class EditTextPassWordVisiable extends ViewGroup implements OnClickListener { private TextView clearImage;
private EditText editText;
private boolean pswVisiable = false;
private int clearImageRightPading = 20; private int drawableVisiable,drawableUnVisiable; private TextWatcher textWatcher = new TextWatcher() { @Override
public void onTextChanged(CharSequence s, int start, int before, int count) { } @Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) { } @Override
public void afterTextChanged(Editable s) {
// if (s.length() == 0) {
// clearImage.setVisibility(View.GONE);
// } else {
// clearImage.setVisibility(View.VISIBLE);
// }
}
}; public EditTextPassWordVisiable(Context context) {
super(context);
initViews();
} public EditTextPassWordVisiable(Context context, AttributeSet attrs) {
super(context, attrs);
initViews();
} public EditTextPassWordVisiable(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
initViews();
} private void initViews() {
final Context mContext = getContext();
clearImage = new TextView(mContext);
clearImage.setLayoutParams(new ViewGroup.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
clearImage.setOnClickListener(this);
editText = new EditText(mContext);
editText.setLayoutParams(new ViewGroup.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
editText.addTextChangedListener(textWatcher);
editText.setSingleLine(true);
addView(editText);
addView(clearImage);
requestLayout();
} /**
* 设置 清除图片 的资源
*
* @param drawableId
*/
public void setClearImageDrawableId(int drawableId) {
clearImage.setBackgroundResource(drawableId);
} /**
* 设置EditText的padding（如果调用了{@link #setEditTextBackGround(int)}
* 方法，其背景图片是.9图的话，必须要调用此方法）
*
* @param paddingLeft 左边的padding
* @param paddinTop 上边padding
* @param paddingRight 右边padding（这个padding是指文章到 清除图片的 padding）
* @param paddingBottom 下边padding
*/
public void setEditTextPadding(int paddingLeft, int paddinTop, int paddingRight, int paddingBottom) {
paddingRight += clearImageRightPading + clearImage.getBackground().getIntrinsicWidth();
editText.setPadding(paddingLeft, paddinTop, paddingRight, paddingBottom);
} /**
* 设置删除图片距离右边的距离
*
* @param clearImageRightPading
*/
public void setClearImageRightPadding(int clearImageRightPading) {
this.clearImageRightPading = clearImageRightPading;
requestLayout();
} /**
* 设置EditText的背景</br>Note</br>(1)调用了该方法之后，如果背景图是.9图的话，必须调用
* {@link #setEditTextPadding(int, int, int, int)}方法 </br>(2)此方法必须是调用了
* {@link #setClearImageDrawableId(int)}之后才能调用
*
* @param resid
*/
public void setEditTextBackGround(int resid) {
editText.setBackgroundResource(resid);
} public void setTextColor(int color) {
editText.setTextColor(color);
} public void setTextSize(int size) {
editText.setTextSize(size);
} @Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
int width = MeasureSpec.getSize(widthMeasureSpec);
// int height = MeasureSpec.getSize(heightMeasureSpec);
int childCount = getChildCount();
for (int i = 0; i < childCount; i++) {
if (i == 0) {
getChildAt(i).measure(MeasureSpec.makeMeasureSpec(getWidth(), MeasureSpec.EXACTLY),
getDefaultSize(getSuggestedMinimumHeight(), heightMeasureSpec));
} else {
TextView secondView = (TextView) getChildAt(i);
secondView.measure(MeasureSpec.makeMeasureSpec(secondView.getBackground().getIntrinsicWidth(), MeasureSpec.UNSPECIFIED),
MeasureSpec.makeMeasureSpec(secondView.getBackground().getIntrinsicHeight(), MeasureSpec.UNSPECIFIED));
}
}
setMeasuredDimension(width, getChildAt(0).getMeasuredHeight());
} @Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
final EditText firstView = editText;
final View secondView = clearImage;
final int editTextWith = firstView.getMeasuredWidth();
final int imageViewWidth = secondView.getMeasuredWidth();
firstView.layout(0, 0, editTextWith, firstView.getMeasuredHeight());
final int top = (firstView.getMeasuredHeight() - secondView.getMeasuredHeight()) >> 1;
secondView.layout(editTextWith - imageViewWidth - clearImageRightPading, top, editTextWith - clearImageRightPading, top
+ secondView.getMeasuredHeight());
} @Override
public void onClick(View v) {
pswVisiable = !pswVisiable;
if (pswVisiable) {
setClearImageDrawableId(getDrawableVisiable());
editText.setInputType(InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD);
Editable etable = editText.getText();
Selection.setSelection(etable, etable.length());
} else {
setClearImageDrawableId(getDrawableUnVisiable());
editText.setInputType(InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
//下面两行代码实现: 输入框光标一直在输入文本后面
Editable etable = editText.getText();
Selection.setSelection(etable, etable.length());
} } /**
* 获得密码可见图标
* @return
*/
public int getDrawableVisiable() {
return drawableVisiable;
} /**
* 获得密码不可见图标
* @return
*/
public int getDrawableUnVisiable() {
return drawableUnVisiable;
} /**
* 设置密码可见的图标
* @param drawableVisiable
*/
public void setDrawableVisiable(int drawableVisiable) {
this.drawableVisiable = drawableVisiable;
} /**
* 设置密码不可见的图标
* @param drawableUnVisiable
*/
public void setDrawableUnVisiable(int drawableUnVisiable) {
this.drawableUnVisiable = drawableUnVisiable;
}
}
clearEditText.setDrawableVisiable(R.drawable.eye_open);//必须
clearEditText.setDrawableUnVisiable(R.drawable.eye_closed);//必须
clearEditText.setClearImageDrawableId(clearEditText.getDrawableUnVisiable());//设置默认情况的图标 // clearEditText.setEditTextBackGround(R.drawable.bg_tab_search_edit);
clearEditText.setEditTextPadding(30, 20, 20, 20);
clearEditText.setClearImageRightPadding(20);
clearEditText.setTextColor(R.color.colorPrimaryDark);