嗨，我有一个不同editTexts 的arrayList，我希望输入的值将得到五个editTexts 的总和并将其显示到textView 的arrayList 我将如何做到这一点？请帮助我..我很难考虑..提前谢谢..
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
final TextView excellent_val = (TextView)findViewById(R.id.excellent_val);
TextView best_val = (TextView)findViewById(R.id.best_val);
TextView better_val = (TextView)findViewById(R.id.better_val);
TextView good_val = (TextView)findViewById(R.id.good_val);
TextView poor_val = (TextView)findViewById(R.id.poor_val);
final EditText respondents = (EditText)findViewById(R.id.respondents);
final EditText questions = (EditText)findViewById(R.id.questions);
Button button1 = (Button)findViewById(R.id.btn);
button1.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
String c = questions.getText().toString();
final Integer count = Integer.parseInt(c);
questions.setText(Integer.toString(count));
respondents.setText(respondents.getText().toString());
final TableLayout table = new TableLayout(getApplicationContext());
table.setVerticalScrollBarEnabled(true);
table.setPadding(10, 10, 10, 10);
final TableRow tableRow = new TableRow (getApplicationContext());
TextView txt = new TextView (getApplicationContext());
TextView txt2 = new TextView (getApplicationContext());
TextView txt3 = new TextView (getApplicationContext());
TextView txt4 = new TextView (getApplicationContext());
TextView txt5 = new TextView (getApplicationContext());
TextView txt6 = new TextView (getApplicationContext());
tableRow.addView(txt);
tableRow.addView(txt2);
tableRow.addView(txt3);
tableRow.addView(txt4);
tableRow.addView(txt5);
tableRow.addView(txt6);
tableRow.setBackgroundColor(Color.GRAY);
txt.setText("Question ");
txt2.setText("Excellent ");
txt3.setText("Best ");
txt4.setText("Better ");
txt5.setText("Good ");
txt6.setText("Poor ");
txt.setTextColor(Color.BLACK);
txt2.setTextColor(Color.BLACK);
txt3.setTextColor(Color.BLACK);
txt4.setTextColor(Color.BLACK);
txt5.setTextColor(Color.BLACK);
txt6.setTextColor(Color.BLACK);
table.addView(tableRow);
final StringBuilder output = new StringBuilder();
int j=0;
for(j = 1; j<=count; j++){
Random rnd = new Random();
int color = Color.argb(255, rnd.nextInt(256), rnd.nextInt(256), rnd.nextInt(256));
tableRow2 = new TableRow (getApplicationContext());
excellent = new EditText (getApplicationContext());
best = new EditText (getApplicationContext());
better = new EditText (getApplicationContext());
good = new EditText (getApplicationContext());
poor = new EditText (getApplicationContext());
mean_in = new TextView(getApplicationContext());
name = new TextView (getApplicationContext());
excellent.setBackgroundColor(color);
best.setBackgroundColor(color);
better.setBackgroundColor(color);
good.setBackgroundColor(color);
poor.setBackgroundColor(color);
name.setText("Q#"+Integer.toString(j));
mean_in.setTextColor(Color.WHITE);
tableRow2.addView(name);
tableRow2.addView(excellent);
tableRow2.addView(best);
tableRow2.addView(better);
tableRow2.addView(good);
tableRow2.addView(poor);
tableRow2.addView(mean_in);
table.addView(tableRow2);
excellentList.add(excellent);
bestList.add(best);
betterList.add(better);
goodList.add(good);
poorList.add(poor);
mean_array.add(excellent);
mean_array.add(best);
mean_array.add(better);
mean_array.add(good);
mean_array.add(poor);
MEAN.add(mean_in);
}
//Make an ArrayList of EditText
//Put all excellent EditTexts in it.
//In the onClick go through this list and append all the getText().toString() of these EditTexts
tableRow1 = new TableRow (getApplicationContext());
final Button get = new Button(getApplicationContext());
tableRow1.addView(get);
get.setText("Get!");
get.setTextSize(8);
//******************************************************************************//
// GET! //
//******************************************************************************//
get.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
String population = respondents.getText().toString();
double n = Double.parseDouble(population);
double Population = 0;
double final_Population =0;
Population = n/(1+(n*(0.003*0.003)));
final_Population = Math.ceil(Population);
String val_excellent=null;
double weigthed_ex=0;
double result =0;
double final_result=0;
for(EditText excellent : excellentList){
val_excellent= excellent.getText().toString();
double values = Double.parseDouble(val_excellent);
for(int z=0;z<val_excellent.length();z++){
weigthed_ex =values*5/final_Population;
}
String weight_excellent =String.format("%.3g",weigthed_ex);
get.setEnabled(false);
excellent.setTextSize(11);
excellent.setTextColor(Color.BLACK);
excellent.setEnabled(false);
excellent.setText((weight_excellent));
}
String val_best=null;
double weigthed_best=0;
for(EditText best: bestList){
val_best = best.getText().toString();
double values_best = Double.parseDouble(val_best);
for(int y =0; y<val_best.length();y++){
weigthed_best = values_best*4/final_Population;
}
String weight_best =String.format("%.3g",weigthed_best);
best.setTextSize(11);
best.setTextColor(Color.BLACK);
best.setEnabled(false);
best.setText(weight_best);
}
String val_better=null;
double weigthed_better=0;
for(EditText better: betterList){
val_better = better.getText().toString();
double values_better = Double.parseDouble(val_best);
for(int k =0; k<val_better.length();k++){
weigthed_best = values_better*3/final_Population;
}
String weight_better =String.format("%.3g",weigthed_better);
better.setTextSize(11);
better.setTextColor(Color.BLACK);
better.setEnabled(false);
better.setText(weight_better);
}
String val_good=null;
double weigthed_good=0;
for(EditText good: goodList){
val_good = good.getText().toString();
double values_good = Double.parseDouble(val_good);
for(int l =0; l<val_good.length();l++){
weigthed_good = values_good*2/final_Population;
}
String weight_good =String.format("%.3g",weigthed_good);
good.setTextSize(11);
good.setTextColor(Color.BLACK);
good.setEnabled(false);
good.setText(weight_good);
}
String val_poor=null;
double weigthed_poor=0;
for(EditText poor: poorList){
val_poor = poor.getText().toString();
double values_poor = Double.parseDouble(val_poor);
for(int m =0; m<val_poor.length();m++){
weigthed_poor = values_poor*1/final_Population;
}
String weight_poor =String.format("%.3g",weigthed_poor);
poor.setTextSize(11);
poor.setTextColor(Color.BLACK);
poor.setEnabled(false);
poor.setText(weight_poor);
}
Button getMean = new Button(getApplicationContext());
tableRow1.addView(getMean);
getMean.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
String a=null;
String b=null;
String c=null;
String d=null;
String e=null;
double f=0;
double g=0;
double h=0;
double i=0;
double j=0;
double mean=0;
for(TextView mean_in: MEAN){
for(EditText excellent :excellentList){
a = excellent.getText().toString();
f= Double.parseDouble(a);
}
for(EditText best :bestList){
b = best.getText().toString();
g= Double.parseDouble(b);
}
for(EditText better :betterList){
c = better.getText().toString();
h= Double.parseDouble(c);
}
for(EditText good :goodList){
d = good.getText().toString();
i= Double.parseDouble(d);
}
for(EditText poor :poorList){
e = poor.getText().toString();
j= Double.parseDouble(e);
}
mean = f+g+h+i+j/5;
mean_in.setText(" ");
}
}
});
TextView mean = new TextView(getApplicationContext());
mean.setText("Mean");
mean.setTextColor(Color.RED);
tableRow.addView(mean);
}
});
这是输出...
