python for android : 贷款等额本息每月还款额计算

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dkjs1.py
# -*- coding: utf-8 -*-import androidimport os,sysreload(sys)sys.setdefaultencoding('utf-8')droid = android.Android()# 等额本息 每月还款额计算公式如下：# =(贷款本金*月利率*(1+月利率)^还款月数)/((1+月利率)^还款月数－1)def compute1():    rate= droid.fullQueryDetail("editText1").result["text"]    cap = droid.fullQueryDetail("editText2").result["text"]    months= droid.fullQueryDetail("editText3").result["text"]    print rate,cap,months    try:        c = float(cap)        r = float(rate)        m = float(months)        if m >360.0: return        mhk = (c*(r/1200)*(1+r/1200)**m)/((1+r/1200)**m-1)        total = mhk*m        print 'total: %.2f' % (total)        out = "每月还款额: %.2f元\n还款总利息= %.2f元\n" % (mhk,total-c)        droid.fullSetProperty("Text2","text",out)    except:        droid.makeToast('Error: 输入数字有错误')        returndef eventloop():  while True:    event=droid.eventWait().result    if event["name"]=="click":      id=event["data"]["id"]      if id=="button1":        compute1()      if id=="Exit":        return    elif event["name"]=="screen":      if event["data"]=="destroy":        returnlayout = """<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"        android:id="@+id/background"        android:orientation="vertical" android:layout_width="match_parent"        android:layout_height="match_parent" android:background="#ff000000">  <LinearLayout android:id="@+id/linearLayout1"    android:layout_width="match_parent"    android:layout_height="wrap_content"    android:orientation="horizontal">        <Button            android:id="@+id/Exit"            android:layout_width="60dip"            android:layout_height="wrap_content"            android:text="退出"            />        <Button            android:id="@+id/button1"            android:layout_width="140dip"            android:layout_height="wrap_content"            android:text="等额本息计算"            />        <EditText            android:id="@+id/editText1"            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:hint="年利率"            android:inputType="textPhonetic|number">            <requestFocus></requestFocus>        </EditText>  </LinearLayout>  <LinearLayout android:id="@+id/linearLayout2"    android:layout_width="match_parent"    android:layout_height="wrap_content"    android:orientation="horizontal">        <EditText            android:id="@+id/editText2"            android:layout_width="200dp"            android:layout_height="wrap_content"            android:hint="贷款本金"            android:inputType="number">                    </EditText>        <EditText            android:id="@+id/editText3"            android:layout_width="match_parent"            android:layout_height="wrap_content"            android:hint="期限(月数)"            android:inputType="number">                    </EditText>  </LinearLayout>        <ScrollView        android:id="@+id/scrollView"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:scrollbars="vertical"         android:fadingEdge="vertical" >    <TextView        android:id="@+id/Text2"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:layout_weight="1"        android:singleLine="false"        android:textSize="16"        android:textColor="#004000"        android:background="#FFFFF0"        android:padding="10dip"        android:hint="输出"        />    </ScrollView></LinearLayout>"""droid.fullShow(layout)eventloop()droid.fullDismiss()
参考 https://code.google.com/p/android-scripting/wiki/FullScreenUI
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