我有Activity
一个 RadioGroup,其中包含 2 个 RadioButtons ( rdbtn4
, rdbtn5
)。
然后我有一个 XML 文件,其中包含LinearLayouts
:
linlay4
仅包含 4 个 Spinner,linlay5
五个额外的微调器。
然后用户可以根据自己的喜好设置 Spinner,按下按钮后 2 个 TextView 会设置为特定文本(取决于所选的 Spinner 值)。
这与未设置的 TextViews 完美linlay4
配合linlay5
。
这是我的代码:
package at.esdev.electro;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.Spinner;
import android.widget.TextView;
public class Widerstandsfarbcode extends Activity
{
LinearLayout linlay4rings, linlay5rings;
TextView tvWidResultValue, tvWidToleranzValue;
Button btnCalcwid;
Spinner sp4Farbe1, sp4Farbe2, sp4Farbe3, sp4Farbe4, sp5Farbe1, sp5Farbe2, sp5Farbe3, sp5Farbe4, sp5Farbe5;
RadioGroup rdGrp1;
RadioButton rdbtn4rings, rdbtn5rings;
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.widerstandsfarbcode);
linlay4rings = (LinearLayout) findViewById(R.id.linLay4rings);
linlay5rings = (LinearLayout) findViewById(R.id.linLay5rings);
tvWidResultValue = (TextView) findViewById(R.id.tvWidResultValue);
tvWidToleranzValue = (TextView) findViewById(R.id.tvWidToleranzValue);
btnCalcwid = (Button) findViewById(R.id.btnCalcwid);
sp4Farbe1 = (Spinner) findViewById(R.id.sp4Farbe1);
sp4Farbe2 = (Spinner) findViewById(R.id.sp4Farbe2);
sp4Farbe3 = (Spinner) findViewById(R.id.sp4Farbe3);
sp4Farbe4 = (Spinner) findViewById(R.id.sp4Farbe4);
sp5Farbe1 = (Spinner) findViewById(R.id.sp5Farbe1);
sp5Farbe2 = (Spinner) findViewById(R.id.sp5Farbe2);
sp5Farbe3 = (Spinner) findViewById(R.id.sp5Farbe3);
sp5Farbe4 = (Spinner) findViewById(R.id.sp5Farbe4);
sp5Farbe5 = (Spinner) findViewById(R.id.sp5Farbe5);
rdGrp1 = (RadioGroup) findViewById(R.id.rdGrp1);
rdbtn4rings = (RadioButton) findViewById(R.id.rdb4Rings);
rdbtn5rings = (RadioButton) findViewById(R.id.rdb5Rings);
//Default-Value when starting Activity:
linlay4rings.setVisibility(0); //0 = visible, 4 = invisible, 8 = gone
linlay5rings.setVisibility(8);
//Layout for 5 buttons disabled, if rdbtn4 is selected:
rdbtn4rings.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v)
{
linlay4rings.setVisibility(0); //0 = visible, 4 = invisible, 8 = gone
linlay5rings.setVisibility(8);
}
});
//Layout for 4 buttons disabled, if rdbtn5 is selected:
rdbtn5rings.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v)
{
linlay4rings.setVisibility(8); //0 = visible, 4 = invisible, 8 = gone
linlay5rings.setVisibility(0);
}
});
//Color-adjusting
ArrayAdapter <?> adapterFarben = ArrayAdapter.createFromResource(this, R.array.widerstandsfarbSpinnerItems, android.R.layout.simple_spinner_item);
adapterFarben.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
sp4Farbe1.setAdapter(adapterFarben);
sp4Farbe2.setAdapter(adapterFarben);
sp5Farbe1.setAdapter(adapterFarben);
sp5Farbe2.setAdapter(adapterFarben);
sp5Farbe3.setAdapter(adapterFarben);
//Multiplier-adjusting
ArrayAdapter <?> adapterMultiplikator = ArrayAdapter.createFromResource(this, R.array.widerstandsMultiplikatorSpinnerItems, android.R.layout.simple_spinner_item);
adapterMultiplikator.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
sp4Farbe3.setAdapter(adapterMultiplikator);
sp5Farbe4.setAdapter(adapterMultiplikator);
//Tolerance-adjusting:
ArrayAdapter <?> adapterToleranz = ArrayAdapter.createFromResource(this, R.array.widerstandsToleranzSpinnerItems, android.R.layout.simple_spinner_item);
adapterFarben.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
sp4Farbe4.setAdapter(adapterToleranz);
sp5Farbe5.setAdapter(adapterToleranz);
if (rdbtn4rings.isChecked())
{
btnCalcwid.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v)
{
String s41 = String.valueOf(sp4Farbe1.getSelectedItemId()); //Farbe 1
String s42 = String.valueOf(sp4Farbe2.getSelectedItemId()); //Farbe 2
String s43 = String.valueOf(sp4Farbe3.getSelectedItemId()); //Multiplikator
String s44 = String.valueOf(sp4Farbe4.getSelectedItemId()); //Toleranz
int ds43 = Integer.parseInt(s43);
int ds44 = Integer.parseInt(s44);
rise1(ds43);
String snewTolerance = String.valueOf(getToleranceValue(ds44));
//Output:
tvWidResultValue.setText("" + s41 + s42 + "*10^" + ds43 + " Ohm");
tvWidToleranzValue.setText(""+ snewTolerance + " %");
}
});
}
if (rdbtn5rings.isChecked())
{
btnCalcwid.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v)
{
String s51 = String.valueOf(sp5Farbe1.getSelectedItemId()); //Farbe 1
String s52 = String.valueOf(sp5Farbe2.getSelectedItemId()); //Farbe 2
String s53 = String.valueOf(sp5Farbe3.getSelectedItemId()); //Farbe 3
String s54 = String.valueOf(sp5Farbe4.getSelectedItemId()); //Multiplikator
String s55 = String.valueOf(sp5Farbe5.getSelectedItemId()); //Toleranz
int ds54 = Integer.parseInt(s54);
int ds55 = Integer.parseInt(s55);
rise1(ds54);
String snewTolerance = String.valueOf(getToleranceValue(ds55));
//Output:
tvWidResultValue.setText("" + s51 + s52 + s53 + "*10^" + ds54 + " Ohm");
tvWidToleranzValue.setText(""+ snewTolerance + " %");
}//onClick
});
}
}
public double rise1(double multiplikValue)
{
if (multiplikValue > -1)
{
if (multiplikValue < 7)
{
multiplikValue = multiplikValue++;
}
}
if (multiplikValue == 7)
{
multiplikValue = -1; //weil 10^-1 = 0.1
}
if (multiplikValue == 8)
{
multiplikValue = -2; //weil 10^-2 = 0.01
}
return multiplikValue;
}
public double getToleranceValue(double toleranz)
{
double newTolerance = 0;
if (toleranz == 0) //Spinnerposition
{
newTolerance = 1; //Toleranz-%-Wert
}
if (toleranz == 1 )
{
newTolerance = 2;
}
if (toleranz == 2 )
{
newTolerance = 0.5;
}
if (toleranz == 3 )
{
newTolerance = 0.25;
}
if (toleranz == 4 )
{
newTolerance = 0.1;
}
if (toleranz == 5 )
{
newTolerance = 5;
}
if (toleranz == 6 )
{
newTolerance = 10;
}
return newTolerance;
}
}
提前致谢!:)