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怎么在Android中自定義EditText注冊驗證碼?相信很多沒有經驗的人對此束手無策,為此本文總結了問題出現的原因和解決方法,通過這篇文章希望你能解決這個問題。
實現思路
用一個透明的EditText與四個TextView重疊,并給TextView設置默認背景
第4個TextView輸入完成后,要設置回調,并且要加入增加刪除的回調
還要監聽EditText內容的變化,獲取內容,并且改變EditText下面的TextView的顏色
重新發送的是采用一個自定義的CountDownTimer類
彈出效果自定義的一個Dialog繼承DialogFragment
自定義EditText的布局
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="wrap_content"> <LinearLayout android:layout_width="wrap_content" android:layout_height="47dp" android:gravity="center" android:orientation="horizontal" android:weightSum="3"> <TextView android:id="@+id/item_code_iv1" /> <View android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" /> <TextView android:id="@+id/item_code_iv2" /> <View android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" /> <TextView android:id="@+id/item_code_iv3" /> <View android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" /> <TextView android:id="@+id/item_code_iv4" /> </LinearLayout> <EditText android:id="@+id/item_edittext" android:layout_width="match_parent" android:layout_height="47dp" android:background="@android:color/transparent" android:inputType="number" /> </RelativeLayout>
style
<style name="text_editStyle" > <item name="android:layout_height">47dp</item> <item name="android:layout_width">47dp</item> <item name="android:background">@mipmap/bg_verify</item> <item name="android:gravity">center</item> <item name="android:textColor">@color/common_blue_0090FF</item> <item name="android:textSize">18sp</item> </style>
View的代碼
private EditText editText; private TextView[] TextViews; private StringBuffer stringBuffer = new StringBuffer(); private int count = 4; private String inputContent; public SecurityCodeView(Context context) { this(context, null); } public SecurityCodeView(Context context, AttributeSet attrs) { this(context, attrs, 0); } public SecurityCodeView(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); TextViews = new TextView[4]; View.inflate(context, R.layout.view_security_code, this); editText = (EditText) findViewById(R.id.item_edittext); TextViews[0] = (TextView) findViewById(R.id.item_code_iv1); TextViews[1] = (TextView) findViewById(R.id.item_code_iv2); TextViews[2] = (TextView) findViewById(R.id.item_code_iv3); TextViews[3] = (TextView) findViewById(R.id.item_code_iv4); editText.setCursorVisible(false);//將光標隱藏 setListener(); } /** * 清空輸入內容 */ public void clearEditText() { stringBuffer.delete(0, stringBuffer.length()); inputContent = stringBuffer.toString(); for (int i = 0; i < TextViews.length; i++) { TextViews[i].setText(""); TextViews[i].setBackgroundResource(R.mipmap.bg_verify); } } private InputCompleteListener inputCompleteListener; public void setInputCompleteListener(InputCompleteListener inputCompleteListener) { this.inputCompleteListener = inputCompleteListener; } public interface InputCompleteListener { void inputComplete(); void deleteContent(boolean isDelete); } /** * 獲取輸入文本 * * @return */ public String getEditContent() { return inputContent; }
監聽代碼
private void setListener() { editText.addTextChangedListener(new TextWatcher() { @Override public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) { } @Override public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) { } @Override public void afterTextChanged(Editable editable) { //重點 如果字符不為""時才進行操作 if (!editable.toString().equals("")) { if (stringBuffer.length() > 3) { //當文本長度大于3位時edittext置空 editText.setText(""); return; } else { //將文字添加到StringBuffer中 stringBuffer.append(editable); editText.setText("");//添加后將EditText置空 造成沒有文字輸入的錯局 // Log.e("TAG", "afterTextChanged: stringBuffer is " + stringBuffer); count = stringBuffer.length();//記錄stringbuffer的長度 inputContent = stringBuffer.toString(); if (stringBuffer.length() == 4) { //文字長度位4 則調用完成輸入的監聽 if (inputCompleteListener != null) { inputCompleteListener.inputComplete(); } } } for (int i = 0; i < stringBuffer.length(); i++) { TextViews[i].setText(String.valueOf(inputContent.charAt(i))); TextViews[i].setBackgroundResource(R.mipmap.bg_verify_press); } } } }); editText.setOnKeyListener(new OnKeyListener() { @Override public boolean onKey(View v, int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_DEL && event.getAction() == KeyEvent.ACTION_DOWN) { if (onKeyDelete()) return true; return true; } return false; } }); } public boolean onKeyDelete() { if (count == 0) { count = 4; return true; } if (stringBuffer.length() > 0) { //刪除相應位置的字符 stringBuffer.delete((count - 1), count); count--; // Log.e(TAG, "afterTextChanged: stringBuffer is " + stringBuffer); inputContent = stringBuffer.toString(); TextViews[stringBuffer.length()].setText(""); TextViews[stringBuffer.length()].setBackgroundResource(R.mipmap.bg_verify); if (inputCompleteListener != null) inputCompleteListener.deleteContent(true);//有刪除就通知manger } return false; }
自定義的EditText到這了算是結束了
彈出框的布局
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/activity_main" android:layout_width="283dp" android:layout_height="273dp" android:layout_gravity="center" android:layout_marginBottom="50dp" android:background="@mipmap/bg_view1" android:orientation="vertical"> <include layout="@layout/layout_titile" /> <com.example.admin.myapplication.SecurityCodeView android:id="@+id/scv_edittext" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_gravity="center_horizontal" android:layout_marginLeft="20dp" android:layout_marginRight="20dp" android:layout_marginTop="35dp" /> <TextView android:id="@+id/tv_text" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginLeft="20dp" android:layout_marginRight="20dp" android:layout_marginTop="13dp" android:text="輸入驗證碼表示同意《用戶協議》" /> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginBottom="25dp" android:layout_marginTop="3dp" android:orientation="horizontal"> <TextView android:id="@+id/tv_phone" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_marginLeft="20dp" android:layout_marginRight="20dp" android:layout_marginTop="13dp" android:layout_weight="1" android:text="電話" /> <TextView android:id="@+id/tv_click" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="20dp" android:layout_marginRight="20dp" android:layout_marginTop="13dp" android:text="重新發送" android:textColor="@color/colorPrimary" /> </LinearLayout> </LinearLayout>
[大體的思路,點擊事件之后彈出一個Dialog,然后再這個頁面進行注冊,有可能這個Dialog會復用,或者改一些樣式(采用Builder設計模式)]
接下來自定義Dialog
要實現EditText的兩個接口
public class XyAlertDialog extends DialogFragment implements SecurityCodeView.InputCompleteListener { private SecurityCodeView editText; private TextView text; private TextView tv_title; private ImageView img_close; public static final String TAG = XyAlertDialog.class.getSimpleName(); private Builder builder; private static XyAlertDialog instance = new XyAlertDialog(); private TextView tv_phone; private TextView tv_click; public static XyAlertDialog getInstance() { return instance; } @Override public void onCreate(@Nullable Bundle savedInstanceState) { this.setCancelable(true); setRetainInstance(true); super.onCreate(savedInstanceState); if (savedInstanceState != null) { try { if (isAdded() && getActivity() != null) if (builder != null) builder = (Builder) savedInstanceState.getSerializable(Builder.class.getSimpleName()); } catch (Exception e) { } } } @Override public void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); try { if (isAdded() && getActivity() != null) if (builder != null) outState.putSerializable(Builder.class.getSimpleName(), builder); } catch (Exception e) { Log.d(TAG, e.toString()); } } @NonNull @Override public Dialog onCreateDialog(Bundle savedInstanceState) { Dialog dialog = super.onCreateDialog(savedInstanceState); dialog.getWindow().setBackgroundDrawable(new ColorDrawable(android.graphics.Color.TRANSPARENT)); dialog.getWindow().requestFeature(Window.FEATURE_NO_TITLE); dialog.setCanceledOnTouchOutside(false);//點擊旁白不消失 return dialog; } @Nullable @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { return inflater.inflate(R.layout.activity_xia, container, false); } @Override public void onViewCreated(View view, @Nullable Bundle savedInstanceState) { super.onViewCreated(view, savedInstanceState); initViews(view); } private Dialog show(Activity activity, Builder builder) { this.builder = builder; if (!isAdded()) show(((AppCompatActivity) activity).getSupportFragmentManager(), TAG); return getDialog(); } private void initViews(View view) { tv_title = (TextView) view.findViewById(R.id.tv_title); img_close = (ImageView) view.findViewById(R.id.img_close); editText = (SecurityCodeView) view.findViewById(R.id.scv_edittext); text = (TextView) view.findViewById(R.id.tv_text); tv_phone = (TextView) view.findViewById(R.id.tv_phone); tv_click = (TextView) view.findViewById(R.id.tv_click); editText.setInputCompleteListener(this); tv_phone.setText(builder.getTextTitle()); img_close.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { dismiss(); } }); tv_click.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { CountDownTimerUtils mCountDownTimerUtils = new CountDownTimerUtils(tv_click, 60000, 1000); mCountDownTimerUtils.start(); } }); } public static class Builder implements Serializable { private String positiveButtonText; private String negativeButtonText; private String textTitle; private String body; private OnPositiveClicked onPositiveClicked; private OnNegativeClicked onNegativeClicked; private boolean autoHide; private int timeToHide; private int positiveTextColor; private int backgroundColor; private int negativeColor; private int titleColor; private int bodyColor; private Typeface titleFont; private Typeface bodyFont; private Typeface positiveButtonFont; private Typeface negativeButtonFont; private Typeface alertFont; private Context context; private PanelGravity buttonsGravity; public PanelGravity getButtonsGravity() { return buttonsGravity; } public Builder setButtonsGravity(PanelGravity buttonsGravity) { this.buttonsGravity = buttonsGravity; return this; } public Typeface getAlertFont() { return alertFont; } public Builder setAlertFont(String alertFont) { this.alertFont = Typeface.createFromAsset(context.getAssets(), alertFont); return this; } public Typeface getPositiveButtonFont() { return positiveButtonFont; } public Builder setPositiveButtonFont(String positiveButtonFont) { this.positiveButtonFont = Typeface.createFromAsset(context.getAssets(), positiveButtonFont); return this; } public Typeface getNegativeButtonFont() { return negativeButtonFont; } public Builder setNegativeButtonFont(String negativeButtonFont) { this.negativeButtonFont = Typeface.createFromAsset(context.getAssets(), negativeButtonFont); return this; } public Typeface getTitleFont() { return titleFont; } public Builder setTitleFont(String titleFontPath) { this.titleFont = Typeface.createFromAsset(context.getAssets(), titleFontPath); return this; } public Typeface getBodyFont() { return bodyFont; } public Builder setBodyFont(String bodyFontPath) { this.bodyFont = Typeface.createFromAsset(context.getAssets(), bodyFontPath); return this; } public int getTimeToHide() { return timeToHide; } public Builder setTimeToHide(int timeToHide) { this.timeToHide = timeToHide; return this; } public boolean isAutoHide() { return autoHide; } public Builder setAutoHide(boolean autoHide) { this.autoHide = autoHide; return this; } public Context getContext() { return context; } public Builder setActivity(Context context) { this.context = context; return this; } public Builder(Context context) { this.context = context; } public void setCancelable(boolean flag) { throw new RuntimeException("Stub!"); } public int getPositiveTextColor() { return positiveTextColor; } public Builder setPositiveColor(int positiveTextColor) { this.positiveTextColor = positiveTextColor; return this; } public int getBackgroundColor() { return backgroundColor; } public Builder setBackgroundColor(int backgroundColor) { this.backgroundColor = backgroundColor; return this; } public int getNegativeColor() { return negativeColor; } public Builder setNegativeColor(int negativeColor) { this.negativeColor = negativeColor; return this; } public int getTitleColor() { return titleColor; } public Builder setTitleColor(int titleColor) { this.titleColor = titleColor; return this; } public int getBodyColor() { return bodyColor; } public Builder setBodyColor(int bodyColor) { this.bodyColor = bodyColor; return this; } public String getPositiveButtonText() { return positiveButtonText; } public Builder setPositiveButtonText(int positiveButtonText) { this.positiveButtonText = context.getString(positiveButtonText); return this; } public Builder setPositiveButtonText(String positiveButtonText) { this.positiveButtonText = positiveButtonText; return this; } public String getNegativeButtonText() { return negativeButtonText; } public Builder setNegativeButtonText(String negativeButtonText) { this.negativeButtonText = negativeButtonText; return this; } public Builder setNegativeButtonText(int negativeButtonText) { this.negativeButtonText = context.getString(negativeButtonText); return this; } public String getTextTitle() { return textTitle; } public Builder setTextTitle(String textTitle) { this.textTitle = textTitle; return this; } public Builder setTextTitle(int textTitle) { this.textTitle = context.getString(textTitle); return this; } public String getBody() { return body; } public Builder setBody(String body) { this.body = body; return this; } public Builder setBody(int body) { this.body = context.getString(body); return this; } public OnPositiveClicked getOnPositiveClicked() { return onPositiveClicked; } public Builder setOnPositiveClicked(OnPositiveClicked onPositiveClicked) { this.onPositiveClicked = onPositiveClicked; return this; } public OnNegativeClicked getOnNegativeClicked() { return onNegativeClicked; } public Builder setOnNegativeClicked(OnNegativeClicked onNegativeClicked) { this.onNegativeClicked = onNegativeClicked; return this; } public Builder build() { return this; } public Dialog show() { return XyAlertDialog.getInstance().show(((Activity) context), this); } } @Override public void onPause() { if (isAdded() && getActivity() != null) { builder = null; } super.onPause(); } public interface OnPositiveClicked { void OnClick(View view, Dialog dialog); } public interface OnNegativeClicked { void OnClick(View view, Dialog dialog); } public enum PanelGravity { LEFT, RIGHT, CENTER } //EditText的接口 @Override public void inputComplete() { if (!editText.getEditContent().equals("1234")) { text.setText("驗證碼輸入錯誤"); text.setTextColor(Color.RED); } } @Override public void deleteContent(boolean isDelete) { if (isDelete) { text.setText("輸入驗證碼表示同意《用戶協議》"); text.setTextColor(Color.BLACK); } } }
看完上述內容,你們掌握怎么在Android中自定義EditText注冊驗證碼的方法了嗎?如果還想學到更多技能或想了解更多相關內容,歡迎關注億速云行業資訊頻道,感謝各位的閱讀!
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