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package com.lc.hx.login.view;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Color;
import android.graphics.drawable.Drawable;
import android.text.Editable;
import android.text.InputFilter;
import android.text.InputType;
import android.text.TextWatcher;
import android.text.method.PasswordTransformationMethod;
import android.util.AttributeSet;
import android.util.Log;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.EditText;
import android.widget.LinearLayout;
import com.lc.hx.R;
public class VerificationCodeInput extends ViewGroup {
private final static String TYPE_NUMBER = "number";
private final static String TYPE_TEXT = "text";
private final static String TYPE_PASSWORD = "password";
private final static String TYPE_PHONE = "phone";
private static final String TAG = "VerificationCodeInput";
private int box = 4;
private int boxWidth = 120;
private int boxHeight = 120;
private int childHPadding = 14;
private int childVPadding = 14;
private String inputType = TYPE_PASSWORD;
private Drawable boxBgFocus = null;
private Drawable boxBgNormal = null;
private Listener listener;
public VerificationCodeInput(Context context, AttributeSet attrs) {
super(context, attrs);
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.VericationCodeInput);
box = a.getInt(R.styleable.VericationCodeInput_box, 4);
childHPadding = (int) a.getDimension(R.styleable.VericationCodeInput_child_h_padding, 0);
childVPadding = (int) a.getDimension(R.styleable.VericationCodeInput_child_v_padding, 0);
boxBgFocus = a.getDrawable(R.styleable.VericationCodeInput_box_bg_focus);
boxBgNormal = a.getDrawable(R.styleable.VericationCodeInput_box_bg_normal);
inputType = a.getString(R.styleable.VericationCodeInput_inputType);
boxWidth = (int) a.getDimension(R.styleable.VericationCodeInput_child_width, boxWidth);
boxHeight = (int) a.getDimension(R.styleable.VericationCodeInput_child_height, boxHeight);
initViews();
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
}
private void initViews() {
TextWatcher textWatcher = new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
}
@Override
public void afterTextChanged(Editable s) {
if (s.length() == 0) {
} else {
focus();
checkAndCommit();
}
}
};
OnKeyListener onKeyListener = new OnKeyListener() {
@Override
public synchronized boolean onKey(View v, int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_DEL) {
backFocus();
}
return false;
}
};
for (int i = 0; i < box; i++) {
EditText editText = new EditText(getContext());
LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(boxWidth, boxHeight);
layoutParams.bottomMargin = childVPadding;
layoutParams.topMargin = childVPadding;
layoutParams.leftMargin = childHPadding;
layoutParams.rightMargin = childHPadding;
layoutParams.gravity = Gravity.CENTER;
editText.setOnKeyListener(onKeyListener);
setBg(editText, false);
editText.setTextColor(Color.BLACK);
editText.setLayoutParams(layoutParams);
editText.setGravity(Gravity.CENTER);
editText.setFilters(new InputFilter[]{new InputFilter.LengthFilter(1)});
if (TYPE_NUMBER.equals(inputType)) {
editText.setInputType(InputType.TYPE_CLASS_NUMBER);
} else if (TYPE_PASSWORD.equals(inputType)) {
editText.setTransformationMethod(PasswordTransformationMethod.getInstance());
} else if (TYPE_TEXT.equals(inputType)) {
editText.setInputType(InputType.TYPE_CLASS_TEXT);
} else if (TYPE_PHONE.equals(inputType)) {
editText.setInputType(InputType.TYPE_CLASS_PHONE);
}else{
editText.setInputType(InputType.TYPE_CLASS_NUMBER);
}
editText.setId(i);
editText.setEms(1);
editText.setTextSize(16);
editText.addTextChangedListener(textWatcher);
addView(editText, i);
}
}
private void backFocus() {
int count = getChildCount();
EditText editText;
for (int i = count - 1; i >= 0; i--) {
editText = (EditText) getChildAt(i);
if (editText.getText().length() == 1) {
editText.requestFocus();
editText.setSelection(1);
return;
}
}
}
private void focus() {
int count = getChildCount();
EditText editText;
for (int i = 0; i < count; i++) {
editText = (EditText) getChildAt(i);
if (editText.getText().length() < 1) {
editText.requestFocus();
return;
}
}
}
private void setBg(EditText editText, boolean focus) {
if (boxBgNormal != null && !focus) {
editText.setBackground(boxBgNormal);
} else if (boxBgFocus != null && focus) {
editText.setBackground(boxBgFocus);
}
}
public void init(){
EditText editText = (EditText) getChildAt(0);
editText.requestFocus();
}
private void checkAndCommit() {
StringBuilder stringBuilder = new StringBuilder();
boolean full = true;
for (int i = 0; i < box; i++) {
EditText editText = (EditText) getChildAt(i);
String content = editText.getText().toString();
if (content.length() == 0) {
full = false;
break;
} else {
stringBuilder.append(content);
}
}
Log.d(TAG, "checkAndCommit:" + stringBuilder.toString());
if (full) {
if (listener != null) {
listener.onComplete(stringBuilder.toString());
setEnabled(false);
}
}
}
@Override
public void setEnabled(boolean enabled) {
int childCount = getChildCount();
for (int i = 0; i < childCount; i++) {
View child = getChildAt(i);
child.setEnabled(enabled);
}
}
public void setOnCompleteListener(Listener listener) {
this.listener = listener;
}
@Override
public LayoutParams generateLayoutParams(AttributeSet attrs) {
return new LinearLayout.LayoutParams(getContext(), attrs);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
Log.d(getClass().getName(), "onMeasure");
int count = getChildCount();
for (int i = 0; i < count; i++) {
View child = getChildAt(i);
this.measureChild(child, widthMeasureSpec, heightMeasureSpec);
}
if (count > 0) {
View child = getChildAt(0);
int cHeight = child.getMeasuredHeight();
int cWidth = child.getMeasuredWidth();
int maxH = cHeight + 2 * childVPadding;
int maxW = (cWidth + childHPadding) * box + childHPadding;
setMeasuredDimension(resolveSize(maxW, widthMeasureSpec),
resolveSize(maxH, heightMeasureSpec));
}
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
Log.d(getClass().getName(), "onLayout");
int childCount = getChildCount();
for (int i = 0; i < childCount; i++) {
View child = getChildAt(i);
child.setVisibility(View.VISIBLE);
int cWidth = child.getMeasuredWidth();
int cHeight = child.getMeasuredHeight();
int cl = (i) * (cWidth + childHPadding);
int cr = cl + cWidth;
int ct = childVPadding;
int cb = ct + cHeight;
child.layout(cl, ct, cr, cb);
}
}
public interface Listener {
void onComplete(String content);
}
}
<declare-styleable name="VericationCodeInput">
<attr name="box" format="integer" />
<attr name="child_h_padding" format="dimension"/>
<attr name="child_v_padding" format="dimension"/>
<attr name="child_width" format="dimension"/>
<attr name="child_height" format="dimension"/>
<attr name="padding" format="dimension"/>
<attr name="box_bg_focus" format="reference"/>
<attr name="box_bg_normal" format="reference"/>
<attr name="inputType" format="string"/>
</declare-styleable>
