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@@ -0,0 +1,310 @@
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+package com.siningsoft.e85mixcalc;
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+
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+import android.app.Activity;
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+import android.graphics.Color;
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+import android.os.Bundle;
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+import android.util.Log;
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+import android.view.View;
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+import android.view.View.OnClickListener;
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+import android.widget.Button;
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+import android.widget.EditText;
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+import android.widget.RadioButton;
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+import android.widget.Toast;
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+
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+public class main extends Activity {
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+ /** Called when the activity is first created. */
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+
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+ //noch schnell ein paar Variablen definieren
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+ double ethanolInhaltS = 0.10;
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+ String ethanolInhaltST = "E10";
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+ int mode = 0;
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+
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+
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+
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+ @Override
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+ public void onCreate(Bundle savedInstanceState) {
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+
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+ super.onCreate(savedInstanceState);
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+
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+ setContentView(R.layout.main);
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+
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+ Button calcbutton = (Button) findViewById(R.id.calcbutton);
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+ calcbutton.setOnClickListener(calcbuttonlistener);
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+
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+ //vorwaertskalkulation
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+ RadioButton rbfor = (RadioButton)findViewById(R.id.rbfor);
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+ rbfor.setOnClickListener(rbforL);
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+
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+ //rueckwaertskalkulation
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+ RadioButton rbbac = (RadioButton)findViewById(R.id.rbbac);
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+ rbbac.setOnClickListener(rbbacL);
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+
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+ //5 Prozent Ethanol im Super
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+ RadioButton rbe5 = (RadioButton)findViewById(R.id.rbe5);
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+ rbe5.setOnClickListener(rbe5L);
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+
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+ //10 Prozent Ethanol im Super
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+ RadioButton rbe10 = (RadioButton)findViewById(R.id.rbe10);
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+ rbe10.setOnClickListener(rbe10L);
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+
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+ }
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+
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+ public OnClickListener rbforL = new OnClickListener() {
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+
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+ @Override
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+ public void onClick(View v) {
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+ //Vorwärtskalkulation deaktiviert die Rückwärtsfelder und verwendet sie als Ausgabefelder
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+ ((EditText)findViewById(R.id.bac_enter_affair)).setEnabled(false);
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+ ((EditText)findViewById(R.id.bac_enter_affair)).setTextColor(getResources().getColorStateList(R.color.green));
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+
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+ ((EditText)findViewById(R.id.bac_enter_affair)).setText("");
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+
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+ ((EditText)findViewById(R.id.bac_enter_full)).setEnabled(false);
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+ ((EditText)findViewById(R.id.bac_enter_full)).setTextColor(getResources().getColorStateList(R.color.green));
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+
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+ ((EditText)findViewById(R.id.bac_enter_full)).setText("");
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+
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+ //Vorwärtskalkulation aktiviert alle vorwärtsfelder
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+ ((EditText)findViewById(R.id.for_enter_bio)).setEnabled(true);
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+ ((EditText)findViewById(R.id.for_enter_bio)).setTextColor(Color.parseColor("#000000"));
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+ ((EditText)findViewById(R.id.for_enter_bio)).setText("");
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+
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+ ((EditText)findViewById(R.id.for_enter_super)).setEnabled(true);
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+ ((EditText)findViewById(R.id.for_enter_super)).setTextColor(Color.parseColor("#000000"));
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+ ((EditText)findViewById(R.id.for_enter_super)).setText("");
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+
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+ //a = vorwärts
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+ mode = 0;
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+
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+ Log.i("Berechnungsmodus", "Vorwärts");
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+ }
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+ };
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+
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+ public OnClickListener rbbacL = new OnClickListener() {
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+
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+ @Override
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+ public void onClick(View v) {
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+ //Rückwärtskalkulation deaktiviert alle vorwärtsfelder
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+ ((EditText)findViewById(R.id.for_enter_bio)).setEnabled(false);
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+ ((EditText)findViewById(R.id.for_enter_bio)).setTextColor(getResources().getColorStateList(R.color.green));
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+
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+ ((EditText)findViewById(R.id.for_enter_bio)).setText("");
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+
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+ ((EditText)findViewById(R.id.for_enter_super)).setEnabled(false);
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+ ((EditText)findViewById(R.id.for_enter_super)).setTextColor(getResources().getColorStateList(R.color.green));
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+
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+ ((EditText)findViewById(R.id.for_enter_super)).setText("");
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+
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+ ((EditText)findViewById(R.id.bac_enter_affair)).setEnabled(true);
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+ ((EditText)findViewById(R.id.bac_enter_affair)).setTextColor(Color.parseColor("#000000"));
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+ ((EditText)findViewById(R.id.bac_enter_affair)).setText("");
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+
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+ ((EditText)findViewById(R.id.bac_enter_full)).setEnabled(true);
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+ ((EditText)findViewById(R.id.bac_enter_full)).setTextColor(Color.parseColor("#000000"));
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+ ((EditText)findViewById(R.id.bac_enter_full)).setText("");
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+
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+ //b = rückwärts
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+ mode = 1;
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+
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+ Log.i("Berechnungsmodus", "Rückwärts");
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+
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+ }
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+ };
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+
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+ public OnClickListener rbe5L = new OnClickListener() {
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+
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+ @Override
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+ public void onClick(View v) {
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+ // Wenn dieser Butten geclickt wird, verwenden wir 5 Prozent Ethanol
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+ ethanolInhaltS = 0.05;
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+ ethanolInhaltST = "E5";
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+
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+ Log.i("Supersorte", ethanolInhaltST);
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+
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+ }
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+ };
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+
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+ public OnClickListener rbe10L = new OnClickListener() {
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+
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+ @Override
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+ public void onClick(View v) {
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+ // Wenn dieser Butten geclickt wird, verwenden wir 10 Prozent Ethanol
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+ ethanolInhaltS = 0.10;
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+ ethanolInhaltST = "E10";
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+
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+ Log.i("Supersorte", ethanolInhaltST);
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+
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+ }
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+ };
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+
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+
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+ public OnClickListener calcbuttonlistener = new OnClickListener() {
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+
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+ @Override
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+ public void onClick(View v) {
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+ /*der Code fuer den gedrueckten button
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+ * wir weisen die Inhalte der Edit-Texts Variablen zu
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+ */
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+
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+ //wir nullen die Berechnungswerte
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+ Double v_super = 0.0;
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+ Double v_bio = 0.0;
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+ Double v_affair = 0.0;
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+ Double v_full = 0.0;
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+ Double a_ethanol = 0.0;
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+ Double a_super = 0.0;
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+ Double r_ethanol = 0.0;
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+ int sammelcnt = 0;
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+
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+ switch (mode)
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+ {
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+ //diese switch klausel prueft, ob die Werte fuer die berechnung eingegeben wurden.
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+ case 0:
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+
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+ //abfrage, ob eingabewert leer oder keine Zahl
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+ if (String.valueOf(((EditText) findViewById(R.id.for_enter_super)).getText()).length() > 0)
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+ {
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+ v_super = Double.parseDouble(String.valueOf(((EditText) findViewById(R.id.for_enter_super)).getText()));
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+ sammelcnt ++;
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+ }
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+
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+
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+ if (String.valueOf(((EditText) findViewById(R.id.for_enter_bio)).getText()).length() > 0)
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+ {
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+ v_bio = Double.parseDouble(String.valueOf(((EditText) findViewById(R.id.for_enter_bio)).getText()));
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+ sammelcnt ++;
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+ }
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+
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+ break;
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+
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+ case 1:
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+
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+ //abfrage, ob eingabewert leer oder keine Zahl
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+ if (String.valueOf(((EditText) findViewById(R.id.bac_enter_affair)).getText()).length() > 0)
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+ {
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+ v_affair = Double.parseDouble(String.valueOf(((EditText) findViewById(R.id.bac_enter_affair)).getText()));
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+ sammelcnt ++;
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+ }
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+
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+
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+ if (String.valueOf(((EditText) findViewById(R.id.bac_enter_full)).getText()).length() > 0)
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+ {
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+ v_full = Double.parseDouble(String.valueOf(((EditText) findViewById(R.id.bac_enter_full)).getText()));
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+ sammelcnt ++;
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+ }
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+
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+ break;
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+
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+ }
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+
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+
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+ /*1. es muss immer ein feld leer sein und das wird dann berechnet
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+ * also wird als erstes geprueft, ob alle felder belegt sind, wenn nicht, dann geht es weiter
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+ * sonst gibt es einen Toast
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+ */
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+
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+ Log.d("calc", v_super.toString());
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+ Log.d("calc", v_bio.toString());
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+ Log.d("calc", v_affair.toString());
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+
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+
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+ switch (sammelcnt)
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+ {
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+ case 0:
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+ //keine Werte
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+ Toast.makeText(v.getContext(), R.string.allenterless , Toast.LENGTH_SHORT).show();
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+ break;
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+
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+ case 1:
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+ //zu wenig werte
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+ Toast.makeText(v.getContext(), R.string.allenterless , Toast.LENGTH_SHORT).show();
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+ break;
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+
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+ case 2:
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+ //genau richtig ab hier wird gerechnet
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+
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+
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+ switch (mode)
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+ {
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+
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+ case 0:
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+
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+ // errechnen gesamtmenge an Ethanol
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+ a_ethanol = (v_super * ethanolInhaltS) + (v_bio * 0.85);
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+ Log.i("absolut ethanol in Liter", a_ethanol.toString());
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+
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+ a_super = (v_super * (1-ethanolInhaltS)) + (v_bio * 0.15);
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+ Log.i("absolut super in Liter", a_super.toString());
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+
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+
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+ //Berechnung Gemischverhaeltnis anhand Spritmengen
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+ if ( v_super > 0.0 && v_bio > 0.0)
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+ {
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+ //relativer Alkoholanteil
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+ r_ethanol = (a_ethanol * 100) / (v_super + v_bio);
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+ v_full = v_super + v_bio;
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+
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+ Log.i("relativ ethanol in Prozent", r_ethanol.toString());
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+
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+ ((EditText)findViewById(R.id.bac_enter_affair)).setText("E" + String.valueOf(Math.round(r_ethanol)));
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+ ((EditText)findViewById(R.id.bac_enter_full)).setText(v_full.toString() + " l");
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+
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+ }
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+
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+ break;
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+
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+ case 1:
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+
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+ Boolean calcdone = false;
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+ Double calc_a_super = v_full;
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+ Double calc_a_bio = 0.0;
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+
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+ //rueckwärtsrechnung gemischverhältnis und gesamtmenge
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+ while ( calcdone == false )
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+ {
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+
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+ // errechnen gesamtmenge an Ethanol
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+ a_ethanol = (calc_a_super * ethanolInhaltS) + (calc_a_bio * 0.85);
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+ //Log.i("absolut ethanol in Liter", a_ethanol.toString());
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+
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+
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+ //relativer Alkoholanteil
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+ r_ethanol = (a_ethanol * 100) / v_full;
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+ //Log.i("relativ ethanol in prozent", r_ethanol.toString());
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+
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+
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+ if (Math.round(r_ethanol) != Math.round(v_affair) && r_ethanol < 100.0) //errechneter Anteil ist ungleich dem gewünschten
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+ {
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+ calc_a_super = calc_a_super - 0.01; //super - 0.01
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+ calc_a_bio = calc_a_bio + 0.01; //bio + 0.01
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+
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+ }
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+ else
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+ {
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+ //hier nur ausgabe
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+
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+ Log.i("E5 in Liter",String.valueOf(Math.round(calc_a_super)));
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+ Log.i("E85 in Liter",String.valueOf(Math.round(calc_a_bio)));
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+
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+ ((EditText)findViewById(R.id.for_enter_super)).setText(String.valueOf(Math.round(calc_a_super)) + " l " + ethanolInhaltST);
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+ ((EditText)findViewById(R.id.for_enter_bio)).setText(String.valueOf(Math.round(calc_a_bio)) + " l E85");
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+
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+ calcdone = true;
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+ }
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+ }
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+
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+
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+ break;
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+ }
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+
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+ break;
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+
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+
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+ }
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+
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+
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+ }
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+ };
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+
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+
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+}
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