怎么在Android中利用EditText對內(nèi)容進(jìn)行分割輸入?針對這個(gè)問題,這篇文章詳細(xì)介紹了相對應(yīng)的分析和解答,希望可以幫助更多想解決這個(gè)問題的小伙伴找到更簡單易行的方法。
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自定義EditText
/** * @Description 分割輸入框 * @Author 一花一世界 */ public class ContentWithSpaceEditText extends EditText { public static final int TYPE_PHONE = 0; public static final int TYPE_CARD = 1; public static final int TYPE_IDCARD = 2; private int maxLength = 100; private int contentType; private int start, count, before; private String digits; public ContentWithSpaceEditText(Context context) { this(context, null); } public ContentWithSpaceEditText(Context context, AttributeSet attrs) { super(context, attrs); parseAttributeSet(context, attrs); } public ContentWithSpaceEditText(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); parseAttributeSet(context, attrs); } private void parseAttributeSet(Context context, AttributeSet attrs) { TypedArray ta = context.obtainStyledAttributes(attrs, R.styleable.ContentWithSpaceEditText, 0, 0); contentType = ta.getInt(R.styleable.ContentWithSpaceEditText_type, 0); ta.recycle(); initType(); setSingleLine(); addTextChangedListener(watcher); } private void initType() { if (contentType == TYPE_PHONE) { maxLength = 13; digits = "0123456789 "; setInputType(InputType.TYPE_CLASS_NUMBER); } else if (contentType == TYPE_CARD) { maxLength = 23; digits = "0123456789 "; setInputType(InputType.TYPE_CLASS_NUMBER); } else if (contentType == TYPE_IDCARD) { maxLength = 21; digits = "0123456789xX "; setInputType(InputType.TYPE_CLASS_TEXT); } setFilters(new InputFilter[]{new InputFilter.LengthFilter(maxLength)}); } @Override public void setInputType(int type) { super.setInputType(type); // setKeyListener要在setInputType后面調(diào)用,否則無效 if (!TextUtils.isEmpty(digits)) { setKeyListener(DigitsKeyListener.getInstance(digits)); } } private TextWatcher watcher = 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) { ContentWithSpaceEditText.this.start = start; ContentWithSpaceEditText.this.before = before; ContentWithSpaceEditText.this.count = count; } @Override public void afterTextChanged(Editable s) { if (s == null) { return; } //判斷是否是在中間輸入,需要重新計(jì)算 boolean isMiddle = (start + count) < (s.length()); //在末尾輸入時(shí),是否需要加入空格 boolean isNeedSpace = false; if (!isMiddle && isSpace(s.length())) { isNeedSpace = true; } if (isMiddle || isNeedSpace || count > 1) { String newStr = s.toString(); newStr = newStr.replace(" ", ""); StringBuilder sb = new StringBuilder(); int spaceCount = 0; for (int i = 0; i < newStr.length(); i++) { sb.append(newStr.substring(i, i + 1)); //如果當(dāng)前輸入的字符下一位為空格(i+1+1+spaceCount),因?yàn)閕是從0開始計(jì)算的,所以一開始的時(shí)候需要先加1 if (isSpace(i + 2 + spaceCount)) { sb.append(" "); spaceCount += 1; } } removeTextChangedListener(watcher); s.replace(0, s.length(), sb); //如果是在末尾的話,或者加入的字符個(gè)數(shù)大于零的話(輸入或者粘貼) if (!isMiddle || count > 1) { setSelection(s.length() <= maxLength ? s.length() : maxLength); } else if (isMiddle) { //如果是刪除 if (count == 0) { //如果刪除時(shí),光標(biāo)停留在空格的前面,光標(biāo)則要往前移一位 if (isSpace(start - before + 1)) { setSelection((start - before) > 0 ? start - before : 0); } else { setSelection((start - before + 1) > s.length() ? s.length() : (start - before + 1)); } } //如果是增加 else { if (isSpace(start - before + count)) { setSelection((start + count - before + 1) < s.length() ? (start + count - before + 1) : s.length()); } else { setSelection(start + count - before); } } } addTextChangedListener(watcher); } } }; private boolean isSpace(int length) { if (contentType == TYPE_PHONE) { return isSpacePhone(length); } else if (contentType == TYPE_CARD) { return isSpaceCard(length); } else if (contentType == TYPE_IDCARD) { return isSpaceIDCard(length); } return false; } private boolean isSpacePhone(int length) { return length >= 4 && (length == 4 || (length + 1) % 5 == 0); } private boolean isSpaceCard(int length) { return length % 5 == 0; } private boolean isSpaceIDCard(int length) { return length > 6 && (length == 7 || (length - 2) % 5 == 0); } public void setContentType(int contentType) { this.contentType = contentType; initType(); } public String getTextWithoutSpace() { return super.getText().toString().replace(" ", ""); } /** * @Description 內(nèi)容校驗(yàn) */ public boolean isContentCheck() { String text = getTextWithoutSpace(); if (contentType == TYPE_PHONE) { if (TextUtils.isEmpty(text)) { ToastUtil.showText(UIUtils.getString(R.string.phone_number_not_empty)); } else if (text.length() < 11) { ToastUtil.showText(UIUtils.getString(R.string.phone_number_incorrect_length)); } else { return true; } } else if (contentType == TYPE_CARD) { if (TextUtils.isEmpty(text)) { ToastUtil.showText(UIUtils.getString(R.string.bank_card_not_empty)); } else if (text.length() < 16) { ToastUtil.showText(UIUtils.getString(R.string.bank_card_incorrect_length)); } else { return true; } } else if (contentType == TYPE_IDCARD) { if (TextUtils.isEmpty(text)) { ToastUtil.showText(UIUtils.getString(R.string.identity_number_not_empty)); } else if (text.length() < 18) { ToastUtil.showText(UIUtils.getString(R.string.identity_number_incorrect_length)); } else { return true; } } return false; } }
配置attrs.xml
<?xml version="1.0" encoding="utf-8"?> <resources> <declare-styleable name="ContentWithSpaceEditText"> <attr name="type" format="enum"> <enum name="phone" value="0" /> <enum name="card" value="1" /> <enum name="IDCard" value="2" /> </attr> </declare-styleable> </resources>
布局文件中使用
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@color/theme_bg" android:orientation="vertical"> <com.wiggins.splitinput.widget.TitleView android:id="@+id/titleView" android:layout_width="match_parent" android:layout_height="wrap_content" /> <LinearLayout android:layout_width="match_parent" android:layout_height="@dimen/item_normal" android:layout_margin="@dimen/margin_normal" android:gravity="center_vertical" android:orientation="horizontal"> <TextView android:layout_width="@dimen/btn_width_normal" android:layout_height="match_parent" android:gravity="center_vertical" android:text="@string/phone_number" android:textColor="@color/blue" android:textSize="@dimen/font_normal" /> <com.wiggins.splitinput.widget.ContentWithSpaceEditText android:id="@+id/edt_phone_input" android:layout_width="match_parent" android:layout_height="@dimen/item_normal" android:background="@color/white" android:gravity="center" android:hint="@string/please_enter_content" android:inputType="number" android:textColor="@color/blue" android:textColorHint="@color/gray" android:textCursorDrawable="@null" android:textSize="@dimen/font_normal" app:type="phone" /> </LinearLayout> <LinearLayout android:layout_width="match_parent" android:layout_height="@dimen/item_normal" android:layout_margin="@dimen/margin_normal" android:gravity="center_vertical" android:orientation="horizontal"> <TextView android:layout_width="@dimen/btn_width_normal" android:layout_height="match_parent" android:gravity="center_vertical" android:text="@string/bank_card_number" android:textColor="@color/blue" android:textSize="@dimen/font_normal" /> <com.wiggins.splitinput.widget.ContentWithSpaceEditText android:id="@+id/edt_bank_card_input" android:layout_width="match_parent" android:layout_height="@dimen/item_normal" android:background="@color/white" android:gravity="center" android:hint="@string/please_enter_content" android:inputType="number" android:textColor="@color/blue" android:textColorHint="@color/gray" android:textCursorDrawable="@null" android:textSize="@dimen/font_normal" app:type="card" /> </LinearLayout> <LinearLayout android:layout_width="match_parent" android:layout_height="@dimen/item_normal" android:layout_margin="@dimen/margin_normal" android:gravity="center_vertical" android:orientation="horizontal"> <TextView android:layout_width="@dimen/btn_width_normal" android:layout_height="match_parent" android:gravity="center_vertical" android:text="@string/identity_number" android:textColor="@color/blue" android:textSize="@dimen/font_normal" /> <com.wiggins.splitinput.widget.ContentWithSpaceEditText android:id="@+id/edt_identity_input" android:layout_width="match_parent" android:layout_height="@dimen/item_normal" android:background="@color/white" android:gravity="center" android:hint="@string/please_enter_content" android:inputType="number" android:textColor="@color/blue" android:textColorHint="@color/gray" android:textCursorDrawable="@null" android:textSize="@dimen/font_normal" app:type="IDCard" /> </LinearLayout> </LinearLayout>
關(guān)于怎么在Android中利用EditText對內(nèi)容進(jìn)行分割輸入問題的解答就分享到這里了,希望以上內(nèi)容可以對大家有一定的幫助,如果你還有很多疑惑沒有解開,可以關(guān)注創(chuàng)新互聯(lián)行業(yè)資訊頻道了解更多相關(guān)知識。
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