Initial commit

app/src/main/res/drawable/btn_yellow_press.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+<corners android:radius="5dip" />
+
+    <!-- padding：Button里面的文字与Button边界的间隔 -->
+<padding
+android:left="10dp"
+android:top="10dp"
+android:right="10dp"
+android:bottom="10dp"
+    />
+<solid android:color="@color/error_yellow"/>
+</shape>