自定义控件
public class VerifyCodeViewextends RelativeLayout{
private EditTexteditText;
private TextView[]textViews;
private static int MAX =4;
private StringinputContent;
public VerifyCodeView(Context context) {
this(context,null);
}
public VerifyCodeView(Context context, AttributeSet attrs) {
this(context,attrs,0);
}
public VerifyCodeView(Context context, AttributeSet attrs,int defStyleAttr) {
super(context, attrs, defStyleAttr);
View.inflate(context, R.layout.view_verity_code,this);
textViews =new TextView[MAX];
textViews[0] = findViewById(R.id.tv_0);
textViews[1] = findViewById(R.id.tv_1);
textViews[2] = findViewById(R.id.tv_2);
textViews[3] = findViewById(R.id.tv_3);
editText = findViewById(R.id.edit_text_view);
editText.setCursorVisible(false);//隐藏光标
setEditTextListener();
}
private void setEditTextListener() {
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) {
inputContent =editText.getText().toString();
if (inputCompleteListener !=null) {
if (inputContent.length() >=MAX) {
inputCompleteListener.inputComplete();
}else {
inputCompleteListener.invalidContent();
}
}
for (int i =0; i
if (i
textViews[i].setText(String.valueOf(inputContent.charAt(i)));
}else {
textViews[i].setText("");
}
}
}
});
}
public VerifyCodeView(Context context, AttributeSet attrs,int defStyleAttr,int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
}
private InputCompleteListenerinputCompleteListener;
public void setInputCompleteListener(InputCompleteListener inputCompleteListener) {
this.inputCompleteListener = inputCompleteListener;
}
public interface InputCompleteListener {
void inputComplete();
void invalidContent();
}
public String getEditContent() {
return inputContent;
}
}
布局
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="48dp"
android:gravity="center"
android:orientation="horizontal">
<TextView
android:id="@+id/tv_0"
style="@style/textview_style"
/>
<View
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1" />
<TextView
android:id="@+id/tv_1"
style="@style/textview_style" />
<View
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1" />
<TextView
android:id="@+id/tv_2"
style="@style/textview_style" />
<View
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1" />
<TextView
android:id="@+id/tv_3"
style="@style/textview_style"
/>
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="48dp"
android:gravity="center"
android:orientation="horizontal">
<View
android:layout_weight="1"
android:layout_width="0dp"
android:layout_height="2dp"
android:layout_gravity="bottom"
android:background="@color/color_white" />
<View
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1" />
<View
android:layout_weight="1"
android:layout_width="0dp"
android:layout_height="2dp"
android:layout_gravity="bottom"
android:background="@color/color_white" />
<View
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1" />
<View
android:layout_weight="1"
android:layout_width="0dp"
android:layout_height="2dp"
android:layout_gravity="bottom"
android:background="@color/color_white" />
<View
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1" />
<View
android:layout_weight="1"
android:layout_width="0dp"
android:layout_height="2dp"
android:layout_gravity="bottom"
android:background="@color/color_white" />
<View
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1" />
<View
android:layout_weight="1"
android:layout_width="0dp"
android:layout_height="2dp"
android:layout_gravity="bottom"
android:background="@color/color_white" />
<View
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1" />
<View
android:layout_weight="1"
android:layout_width="0dp"
android:layout_height="2dp"
android:layout_gravity="bottom"
android:background="@color/color_white" />
</LinearLayout>
<MyEditText
android:id="@+id/edit_text_view"
android:layout_width="match_parent"
android:layout_height="48dp"
android:background="@android:color/transparent"
android:inputType="number"
android:longClickable="false"
android:maxLength="4"
android:textColor="@color/transparent" />
</RelativeLayout>
MyEditText
public class MyEditTextextends AppCompatEditText {
private long lastTime =0;
public MyEditText(Context context) {
super(context);
}
public MyEditText(Context context, AttributeSet attrs) {
super(context, attrs);
}
public MyEditText(Context context, AttributeSet attrs,int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
@Override
protected void onSelectionChanged(int selStart,int selEnd) {
super.onSelectionChanged(selStart, selEnd);
this.setSelection(this.getText().length());
}
@Override
public boolean onTouchEvent(MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
long currentTime = System.currentTimeMillis();
if (currentTime -lastTime <500) {
lastTime = currentTime;
return true;
}else {
lastTime = currentTime;
}
break;
}
return super.onTouchEvent(event);
}
}
Style
<style name="textview_style">
<item name="android:layout_height">48dp</item>
<item name="android:layout_width">0dp</item>
<item name="android:background">@color/transparent</item>
<item name="android:gravity">center</item>
<item name="android:textColor">@color/black</item>
<item name="android:textSize">15sp</item>
<item name="android:textStyle">normal</item>
</style>
