修复bug

teacher/src/main/java/com/cooleshow/teacher/ui/income/WithdrawalActivity.java

@@ -97,7 +97,42 @@ public class WithdrawalActivity extends BaseMVPActivity<ActivityWithdrawalBindin
 
             @Override
             public void onTextChanged(CharSequence s, int start, int before, int count) {
+                //删除.后面超过两位的数字
+                if (s.toString().contains(".")) {
+                    if (s.length() - 1 - s.toString().indexOf(".") > 2) {
+                        s = s.toString().subSequence(0,
+                                s.toString().indexOf(".") + 3);
+                        viewBinding.etPrice.setText(s);
+                        viewBinding.etPrice.setSelection(s.length());
+                    }
+                }
+
+                //如果.在起始位置,则起始位置自动补0
+                if (s.toString().trim().substring(0).equals(".")) {
+                    s = "0" + s;
+                    viewBinding.etPrice.setText(s);
+                    viewBinding.etPrice.setSelection(2);
+                }
 
+                //如果起始位置为0并且第二位跟的不是".",则无法后续输入
+                if (s.toString().startsWith("0")
+                        && s.toString().trim().length() > 1) {
+                    if (!s.toString().substring(1, 2).equals(".")) {
+                        viewBinding.etPrice.setText(s.subSequence(0, 1));
+                        viewBinding.etPrice.setSelection(1);
+                        return;
+                    }
+                }
+
+                //不允许输入两个"."
+                if (s.toString().trim().length() > 2) {
+                    int firstIndex = s.toString().trim().indexOf(".");
+                    int lastIndex = s.toString().trim().lastIndexOf(".");
+                    if (lastIndex - firstIndex == 1) {
+                        viewBinding.etPrice.setText(s.subSequence(0, lastIndex));
+                        viewBinding.etPrice.setSelection(lastIndex);
+                    }
+                }
             }
 
             @Override

teacher/src/main/res/layout/activity_withdrawal.xml

@@ -108,7 +108,7 @@
             android:background="@null"
             android:gravity="center_vertical"
             android:hint="请输入金额"
-            android:inputType="numberDecimal"
+            android:inputType="number|numberDecimal"
             android:paddingLeft="14dp"
             android:textColor="@color/black"
             android:textColorHint="@color/color_999999"