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POAndroid - value results to "infinity" when multiplied by value fetched from SQLite database
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  1. POAndroid - value results to "infinity" when multiplied by value fetched from SQLite database
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    copied!<p>Iam trying to fetch a value from the last row in my sqlite database and use it for multiplication and division in my main activity to get a certain result. But I get the multiplication result as 0 and division result as "infinity". Can anyone help!!</p> <p>heres the code</p> <pre><code> food.java (main activity) { //user inputs ETRate = (EditText)findViewById(R.id.ETRate); ETFoodQty =(EditText)findViewById(R.id.ETFoodQty; ETRate.setOnFocusChangeListener(this); ETFoodQty.setOnFocusChangeListener(this); FoodStorage foodGetInfo = new FoosStorage(this); foodGetInfo.open(); foodGetInfo.getAvgTotal(this); foodGetInfo.close(); chkLastTotal1.setOnCheckedChangeListener(new OnCheckedChangeListener() { public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { // TODO Auto-generated method stub isChkLastTotal1=true; } }); public void onFocusChange(View predictionFocusView, boolean hasPredictionETFocus) { if(ETRate.isFocused()) { if(foodQty!=0) //here I get rate =0 { rate =(long) (lastTotal*foodQty); setRate(rate); ETRate.setText(String.valueOf(rate)); } } else if(foodQty.isFocused()) //Here I get foodQty = infinity { if(rate!=0) { foodQty =rate/avgtotal; setPredictFoodQty(foodQty); ETfoodQty.setText(String.valueOf(foodQty)); } } foodStorage.java (database file) public void getAvgtotal(food pd) { String [] columns = new String[]{KEY_ROW_ID, KEY_RATE, KEY_FOOD_QTY, KEY_FOOD_PRICE, KEY_QUALITY, KEY_TOTAL, KEY_DATE,KEY_GRADE}; if(pd.isChkLastTotal1()==true) { Cursor c= ourDatabase.rawQuery("SELECT * FROM food_table ORDER BY _id DESC LIMIT 1", null); c.moveToFirst(); if(c!=null &amp;&amp; c.getCount()&gt;0) { c.moveToLast(); String getLastTotal =c.getString(5); food myFoodInfo = new Food(); myFoodInfo.setavgTotal(Double.parseDouble(getLastTotal)); } c.close(); } } </code></pre>
 

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