我正在学习制作简单的骰子应用程序，但我刚遇到问题
问题是当我按下Lowbtn和Highbtn它只是增加和减少 以下是我的代码： 这段代码有什么问题？
随机而不管If语句。
如果我的想法是正确的当按下Highbtn并且数字结果高于乘数时，
那么它应该只将其余额增加0.1。我使用if语句而不是switch import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
import java.text.DecimalFormat;
import android.widget.Toast;
public class FieldActivity extends AppCompatActivity {
private static DecimalFormat df1 = new DecimalFormat(".##");
private static DecimalFormat df2 = new DecimalFormat(".########");
Button Highbtn, Lowbtn;
EditText BetAmount, Multiplier;
TextView Balance;
SharedPreferences mySharedPreferences;
@Override
protected void onCreate(Bundle savedInstanceState) {
mySharedPreferences = PreferenceManager.getDefaultSharedPreferences(this);
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_field);
Highbtn = (Button) findViewById(R.id.Highbtn);
Lowbtn = (Button) findViewById(R.id.LowBtn);
BetAmount = (EditText) findViewById(R.id.BetAmount);
Multiplier = (EditText) findViewById(R.id.Multiplier);
Balance = (TextView) findViewById(R.id.Balance);
String userData = Balance.getText().toString();
float balance1 = mySharedPreferences.getFloat("FLOAT_KEY1", Float.parseFloat(userData));
Balance.setText(String.format("%f", balance1));
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
Highbtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String userData = Balance.getText().toString();
float balance1 = mySharedPreferences.getFloat("FLOAT_KEY1", Float.parseFloat(userData));
float betamount1 = 0;
float multiplier = Float.valueOf(Multiplier.getText().toString());
try {
multiplier = Float.valueOf(Multiplier.getText().toString());
} catch (NumberFormatException e) {
e.printStackTrace();
}
if (balance1 >= betamount1) {
SharedPreferences.Editor editor = mySharedPreferences.edit();
editor.putFloat("FLOAT_KEY1", balance1);
editor.apply();
double number = Math.random() * 100;
TextView Number = (TextView) findViewById(R.id.Number);
String Number1 = df1.format(number);
String Balance1 = df2.format(balance1);
Number.setText(Number1);
Balance.setText(Balance1);
if (multiplier <= number) {
balance1 += 0.10000000;
editor.putFloat("FLOAT_KEY1", balance1);
editor.apply();
} else if(multiplier >= number) {
balance1 -= 0.10000000;
editor.putFloat("FLOAT_KEY1", balance1);
editor.apply();
}
}
if (balance1 <= 0.00000000) {
balance1 += 1.00000000;
SharedPreferences.Editor editor = mySharedPreferences.edit();
editor.putFloat("FLOAT_KEY1", balance1);
editor.apply();
Balance.setText(String.format("%f", balance1));
String Balance1 = df2.format(balance1);
Balance.setText(Balance1);
}
if (balance1 < betamount1) {
SharedPreferences.Editor editor = mySharedPreferences.edit();
editor.putFloat("FLOAT_KEY1", balance1);
editor.apply();
Balance.setText(String.format("%f", balance1));
Toast.makeText(getApplicationContext(), "Insufficient Funds", Toast.LENGTH_LONG).show();
}
}
});
Lowbtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String userData = Balance.getText().toString();
float balance1 = mySharedPreferences.getFloat("FLOAT_KEY1", Float.parseFloat(userData));
float betamount1 = 0;
float multiplier = Float.valueOf(Multiplier.getText().toString());;
try{
multiplier = Float.valueOf(Multiplier.getText().toString());
} catch (NumberFormatException e) {
e.printStackTrace();
}
if (balance1 >= betamount1) {
SharedPreferences.Editor editor = mySharedPreferences.edit();
editor.putFloat("FLOAT_KEY1", balance1);
editor.apply();
double number = Math.random() * 100;
TextView Number = (TextView) findViewById(R.id.Number);
String Number1 = df1.format(number);
String Balance1 = df2.format(balance1);
Number.setText(Number1);
Balance.setText(Balance1);
if(multiplier >= number){
balance1 += 0.10000000;
editor.putFloat("FLOAT_KEY1", balance1);
editor.apply();
}
else if(multiplier <= number){
balance1 -= 0.10000000;
editor.putFloat("FLOAT_KEY1", balance1);
editor.apply();
}
}
if (balance1 <= 0.00000000) {
balance1 += 1.00000000;
SharedPreferences.Editor editor = mySharedPreferences.edit();
editor.putFloat("FLOAT_KEY1", balance1);
editor.apply();
Balance.setText(String.format("%f", balance1));
String Balance1 = df2.format(balance1);
Balance.setText(Balance1);
}
if (balance1 < betamount1) {
SharedPreferences.Editor editor = mySharedPreferences.edit();
editor.putFloat("FLOAT_KEY1", balance1);
editor.apply();
Balance.setText(String.format("%f", balance1));
Toast.makeText(getApplicationContext(), "Insufficient Fund", Toast.LENGTH_LONG).show();
}
}
});
}
}