在Android Studio 2.2.2(MainActivity.java)中編寫程序。基本上有多個輸入,一個按鈕,多個輸出。然而,許多產出被交叉引用到許多其他產出中。因爲我們的教授在非編程課上向我們投擲了這些東西,所以我對這一切都很陌生。任何人都可以看到我的一些錯誤?我希望我正在做的過程大部分都是正確的,但操作都與字符串/浮點數/雙不兼容問題。感謝您的任何見解!轉換爲浮點以進行數學運算
public class MainActivity extends AppCompatActivity implements View.OnClickListener {
private Button btnCalc;
private TextView tvaResult;
private TextView tvcResult;
private TextView tvetResult;
private TextView tvphiResult;
private TextView tvMnResult;
private TextView tvphiMnResult;
private TextView tvbeta1Result;
private EditText etB,etD,etH,etAs,etFc,etFy;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
init();
}
private void init() {
btnCalc = (Button)findViewById(R.id.btnCalc);
etB = (EditText)findViewById(R.id.etB);
etD = (EditText)findViewById(R.id.etD);
etH = (EditText)findViewById(R.id.etH);
etAs = (EditText)findViewById(R.id.etAs);
etFc = (EditText)findViewById(R.id.etFc);
etFy = (EditText)findViewById(R.id.etFy);
tvaResult = (TextView)findViewById(R.id.tvaResult);
tvcResult = (TextView)findViewById(R.id.tvcResult);
tvetResult = (TextView)findViewById(R.id.tvetResult);
tvphiResult = (TextView)findViewById(R.id.tvphiResult);
tvMnResult = (TextView)findViewById(R.id.tvMnResult);
tvphiMnResult = (TextView)findViewById(R.id.tvphiMnResult);
tvbeta1Result = (TextView)findViewById(R.id.tvbeta1Result);
btnCalc.setOnClickListener(this);
}
@Override
public void onClick(View view) {
Float B = Float.parseFloat(etB.getText().toString());
Float D = Float.parseFloat(etD.getText().toString());
Float H = Float.parseFloat(etH.getText().toString());
Float As = Float.parseFloat(etAs.getText().toString());
Float Fc = Float.parseFloat(etFc.getText().toString());
Float Fy = Float.parseFloat(etFy.getText().toString());
Float aResult = Float.parseFloat(tvaResult.getText().toString());
Float cResult = Float.parseFloat(tvcResult.getText().toString());
Float etResult = Float.parseFloat(tvetResult.getText().toString());
Float beta1Result = Float.parseFloat(tvbeta1Result.getText().toString());
Float phiResult = Float.parseFloat(tvphiResult.getText().toString());
switch(view.getId()) {
case R.id.btnCalc:
tvaResult = (Fy * As)/(0.85 * Fc * B);
tvcResult = aResult/beta1Result;
tvetResult = ((D - cResult)/(cResult)) * 0.003;
if (Fc <= 4000) {
beta1Result = 0.85;
} else if (4000 < Fc <= 8000) {
beta1Result= ((0.85)-(0.05 * ((Fc - 4000)/(1000))));
} else {
beta1Result= 0.65;
}
if (etResult >= 0.005) {
tvphiResult= 0.9;
} else if (0.002 <= etResult < 0.005) {
tvphiResult= 0.65 + ((etResult - 0.002) * ((0.25)/(0.005 - 0.002)));
} else {
tvphiResult= 0.00
}
tvMnResult= (Fy * As) * (etD - (aResult/2));
tvphiMnResult= phiResult * tvMnResult
}}
}}
_誰能看到我的一些錯誤?_不,看不到任何東西。請提供一些代碼。見[問]。並歡迎SO – AxelH
AxelH:添加了代碼,更容易編寫問題然後添加代碼。 我知道這可能是一堆錯誤,因爲這實際上是我第一次需要編碼。我不希望任何人爲我做這些,當然,任何幫助表示讚賞。 –
既然你說了很多錯誤,那麼它們就成爲了哪一行代碼的指示,你能提供嗎? – MVCNoob