我开发了一个Android应用程序...其中...用户姓名出生日期，手机号码，电子邮件ID 一切都已收集......我想要存储这些细节...当用户想要这些数据时...一个按钮就叫做召回......当用户按下调用按钮时......可以显示存储该数据的地方..并且他可以选择他的名字来自这个名字......任何人都知道如何保存这些数据....我给的代码......这里......任何人请帮助..代码正在运行....没问题在它...
public void onDateChanged(DatePicker arg0, int arg1, int arg2, int arg3)
{
String date=Integer.toString(arg3);
String month=Integer.toString(arg2);
String year=Integer.toString(arg1);
tv1.setText(date+ month+1 +year);
tv2.setText(month+1 + year);
tv3.setText(year);
tv4.setText(month+1);
tv5.setText(date);
tv6.setText(date + year);
}
});}
public void sum(View v)
{
long sum1=0;
long sum2=0;
long sum3=0;
long sum4=0;
long sum5=0;
long sum6=0;
long sum7=0;
long sum8=0;
long sum=0;
long sum11=0;
long sum12=0;
long sum13=0;
long sum14=0;
EditText et1 = (EditText) findViewById (R.id.editText1);
EditText et2 = (EditText) findViewById (R.id.editText2);
EditText et3 = (EditText) findViewById (R.id.editText3);
EditText et4 = (EditText) findViewById (R.id.editText4);
final DatePicker date = (DatePicker) findViewById (R.id.datePicker1);
final TextView tv1 = (TextView) findViewById (R.id.textView88);
final TextView tv2 = (TextView) findViewById (R.id.textView89);
final TextView tv3 = (TextView) findViewById (R.id.textView90);
final TextView tv4 = (TextView) findViewById (R.id.textView91);
final TextView tv5 = (TextView) findViewById (R.id.textView92);
final TextView tv6 = (TextView) findViewById (R.id.textView93);
final TextView tv7 = (TextView) findViewById (R.id.textView94);
sum1=getSum(et1.getText().toString() + et2.getText().toString() + et3.getText().toString() + et4.getText().toString());
sum2=getSum1(et1.getText().toString() + et2.getText().toString() + et3.getText().toString() + et4.getText().toString());
sum3=getSum2(tv1.getText().toString());
/*sum4=getSum3(tv2.getText().toString());*/
sum5=getSum4(tv3.getText().toString());
sum6=getSum5(tv4.getText().toString());
sum8=getSum7(tv5.getText().toString());
String yearf = tv3.getText().toString();
int yearb = Integer.valueOf(yearf);
int val = 2013 - yearb;
long val1 = sum3;
/*int val2 = Integer.valueOf(val1);*/
long val3 = 36 - val1;
int val4 = 9;
long val5 = val3 + val4;
long val6 = val5 + val4;
long val7 = val6 + 50;
sum = getSum3(tv2.getText().toString()) + getSum8(tv6.getText().toString());
if (val <= val3)
{
sum4=getSum3(tv2.getText().toString());
}
else if ((val <= val5) && (val > val3))
{
sum4=getSum8(tv6.getText().toString());
}
else if ((val<=val6) && (val > val5) && (val > val3))
{
/*sum = getSum3(tv2.getText().toString()) + getSum8(tv6.getText().toString());*/
sum4=getSum9(Integer.toString((int) sum));
}
else
{
sum4=getSum9(Integer.toString((int) sum));
}
if (val <= val3)
{
if (sum5>sum6)
{
sum7 = (sum5 - sum6);
}
else
{
sum7 = (sum6 - sum5);
}
}
else if ((val <= val5) && (val > val3))
{
if(sum5>sum8)
{
sum7=(sum5 - sum8);
}
else
{
sum7 = (sum8 - sum5);
}
}
else if ((val<=val6) && (val > val5) && (val > val3))
{
sum11 = (sum5 - sum8);
sum12 = (sum8 - sum5);
sum13 = (sum6 - sum5);
sum14 = (sum5 - sum6);
if ((sum11 > sum12) && (sum13 > sum14))
{
if (sum11 > sum13)
{
sum7 = sum11 - sum13;
}
else
{
sum7 = sum13 - sum11;
}
}
else if ((sum12 > sum11) && (sum13 > sum14))
{
if (sum12 > sum13)
{
sum7 = sum12 - sum13;
}
else
{
sum7 = sum13 - sum12;
}
}
else if ((sum11 > sum12) && (sum14 > sum13))
{
if (sum11 > sum14)
{
sum7 = sum11 - sum14;
}
else
{
sum7 = sum14 - sum11;
}
}
else if ((sum12 > sum11) && (sum14 > sum13))
{
if (sum12 > sum14)
{
sum7 = sum12 - sum14;
}
else
{
sum7 = sum14 - sum12;
}
}
}
else
{
sum11 = (sum5 - sum8);
sum12 = (sum8 - sum5);
sum13 = (sum6 - sum5);
sum14 = (sum5 - sum6);
if ((sum11 > sum12) && (sum13 > sum14))
{
if (sum11 > sum13)
{
sum7 = sum11 - sum13;
}
else
{
sum7 = sum13 - sum11;
}
}
else if ((sum12 > sum11) && (sum13 > sum14))
{
if (sum12 > sum13)
{
sum7 = sum12 - sum13;
}
else
{
sum7 = sum13 - sum12;
}
}
else if ((sum11 > sum12) && (sum14 > sum13))
{
if (sum11 > sum14)
{
sum7 = sum11 - sum14;
}
else
{
sum7 = sum14 - sum11;
}
}
else if ((sum12 > sum11) && (sum14 > sum13))
{
if (sum12 > sum14)
{
sum7 = sum12 - sum14;
}
else
{
sum7 = sum14 - sum12;
}
}
}
String edtxt1 = et1.getText().toString();
String edtxt4 = et4.getText().toString();
if(edtxt1.equals(""))
{
Toast.makeText(getApplicationContext(),"First Name should not be left blank, Please enter your First Name ", Toast.LENGTH_LONG).show();
}
else if(edtxt4.equals(""))
{
Toast.makeText(getApplicationContext(),"Last Name should not be left blank, Please enter your Last Name ", Toast.LENGTH_LONG).show();
}
else{
Intent i = new Intent(this, result.class);
i.putExtra("name", sum1 + "");
i.putExtra("name1", sum2 + "");
i.putExtra("name2", sum3 + "");
i.putExtra("name3", sum4 + "");
i.putExtra("name4", sum7 + "");
startActivity(i);
}
答案 0 :(得分：1)
你应该看看Storage Options。但如果不适合很多用户，您可以使用SharedPreferences。该链接有一个很好的开始使用它们的例子。
如果您要让多个用户拥有大量不同的数据，那么您可能需要查看使用SQLite DB。如果您不习惯使用SQLite Db，那么this tutorial可能是一个很好的开始。
您也可以使用我提供的链接中的其他存储选项，但对于为不同用户存储大量不同信息，数据库可能是最好的。
答案 1 :(得分：1)
您是否考虑过使用SharedPreferences？
您可以使用SharedPreferences存储任何变量，这非常简单！ 这是一个快速教程
SharedPreferences prefs = this.getSharedPreferences(
getApplicationContext(), Context.MODE_PRIVATE);
阅读偏好：
String dateTimeKey = "com.example.app.datetime";
// use a default value using new Date()
long l = prefs.getLong(dateTimeKey, new Date().getTime());
编辑和保存偏好
Date dt = getSomeDate();
prefs.edit().putLong(dateTimeKey, dt.getTime()).commit();