NumberPicker scrollt nicht

1<?xml version="1.0" encoding="utf-8"?>
2
3<ScrollView
4
5 android:layout_width="fill_parent"
6 android:layout_height="fill_parent"
7 android:background="@color/DarkOliveGreen1" >
8
9 <LinearLayout
10
11 android:layout_width="fill_parent"
12 android:layout_height="389dp"
13 android:background="@color/DarkOliveGreen1"
14 android:orientation="vertical" >
15
16 <LinearLayout
17
18 android:layout_width="fill_parent"
19 android:layout_height="wrap_content"
20 android:gravity="center"
21 android:orientation="horizontal"
22 android:layout_gravity="center_horizontal" >
23
24 <TextView
25 android:id="@+id/getankteLiterPickerText"
26 android:layout_width="wrap_content"
27 android:layout_height="wrap_content"
28 android:text="getankte Liter" />
29
30 <TextView
31 android:layout_height="wrap_content"
32 android:layout_width="wrap_content"
33 android:text=" "/>
34
35 <TextView
36 android:id="@+id/gesamtpreisPickerText"
37 android:layout_width="wrap_content"
38 android:layout_height="wrap_content"
39 android:text="Gesamtpreis (€)" />
40 </LinearLayout>
41
42 <LinearLayout
43
44 android:layout_width="fill_parent"
45 android:layout_height="wrap_content"
46 android:gravity="center"
47 android:orientation="horizontal" >
48
49 <NumberPicker
50 android:id="@+id/LNPbigGetankteLiter"
51 android:layout_width="wrap_content"
52 android:layout_height="wrap_content"
53 android:paddingLeft="5dip"
54 android:layout_marginRight="3dip"
55 android:layout_marginBottom="50dip"
56 android:layout_marginTop="50dip">
57 </NumberPicker>
58
59 <NumberPicker
60 android:id="@+id/LNPlowGetankteLiter"
61 android:layout_width="wrap_content"
62 android:layout_height="wrap_content"
63 android:layout_marginLeft="3dip"
64 android:layout_marginRight="50dip">
65 </NumberPicker>
66
67 <NumberPicker
68 android:id="@+id/LNPbigGesamtPreis"
69 android:layout_width="wrap_content"
70 android:layout_height="wrap_content"
71 android:layout_marginRight="3dip"/>
72
73 <NumberPicker
74 android:id="@+id/LNPlowGesamtPreis"
75 android:layout_width="wrap_content"
76 android:layout_height="wrap_content"
77 android:paddingRight="5dip"
78 android:layout_marginLeft="3dip"
79 android:layout_marginBottom="50dip"
80 android:layout_marginTop="50dip">
81 </NumberPicker>
82 </LinearLayout>
83
84 <LinearLayout
85
86 android:layout_width="fill_parent"
87 android:layout_height="wrap_content"
88 android:gravity="center"
89 android:orientation="vertical" >
90
91 <Button
92 android:id="@+id/LBpreisProLiter"
93 style="?android:attr/buttonStyleSmall"
94 android:layout_width="wrap_content"
95 android:layout_height="wrap_content"
96 android:layout_marginBottom="5dip"
97 android:text="berechne Preis pro Liter">
98 </Button>
99
100 <TextView
101 android:id="@+id/LTVpreisProLiter"
102 android:layout_width="wrap_content"
103 android:layout_height="wrap_content"
104 android:text="Preis pro Liter">
105 </TextView>
106
107 </LinearLayout>
108
109 </LinearLayout>
110
111</ScrollView>

1package de.mic.tankstatistik;
2
3import android.os.Bundle;
4import android.app.Activity;
5import android.view.Menu;
6import android.view.View;
7import android.view.View.OnClickListener;
8import android.widget.Button;
9import android.widget.EditText;
10import android.widget.NumberPicker;
11import android.widget.SeekBar;
12import android.widget.SeekBar.OnSeekBarChangeListener;
13import android.widget.TextView;
14
15public class StartScreen extends Activity implements OnClickListener
16{
17
18 private NumberPicker bigLiterNumberPicker;
19 private NumberPicker lowLiterNumberPicker;
20 private NumberPicker bigGesamtpreisNumberPicker;
21 private NumberPicker lowGesamtpreisNumberPicker;
22
23 private Button preisProLiterButton;
24 private TextView preisProLiterTextView;
25
26 private double gesamtPreis;
27 private double getankteLiter;
28
29 @Override
30 public void onCreate(Bundle savedInstanceState)
31 {
32 super.onCreate(savedInstanceState);
33 setContentView(R.layout.activity_start_screen);
34
35 bigLiterNumberPicker = (NumberPicker)findViewById(R.id.LNPbigGetankteLiter);
36 bigLiterNumberPicker.setMaxValue(65);
37 bigLiterNumberPicker.setMinValue(0);
38 bigLiterNumberPicker.setWrapSelectorWheel(true);
39 lowLiterNumberPicker = (NumberPicker)findViewById(R.id.LNPlowGetankteLiter);
40 lowLiterNumberPicker.setMaxValue(99);
41 lowLiterNumberPicker.setMinValue(0);
42 lowLiterNumberPicker.setWrapSelectorWheel(true);
43
44 bigGesamtpreisNumberPicker = (NumberPicker)findViewById(R.id.LNPbigGesamtPreis);
45 bigGesamtpreisNumberPicker.setMaxValue(130);
46 bigGesamtpreisNumberPicker.setMinValue(0);
47 bigGesamtpreisNumberPicker.setWrapSelectorWheel(true);
48 lowGesamtpreisNumberPicker = (NumberPicker)findViewById(R.id.LNPlowGesamtPreis);
49 lowGesamtpreisNumberPicker.setMaxValue(99);
50 lowGesamtpreisNumberPicker.setMinValue(0);
51 lowGesamtpreisNumberPicker.setWrapSelectorWheel(true);
52
53 preisProLiterButton = (Button)findViewById(R.id.LBpreisProLiter);
54 preisProLiterTextView = (TextView)findViewById(R.id.LTVpreisProLiter);
55
56 preisProLiterButton.setOnClickListener(this);
57
58 }
59
60
61 @Override
62 public boolean onCreateOptionsMenu(Menu menu)
63 {
64 getMenuInflater().inflate(R.menu.activity_start_screen, menu);
65 return true;
66 }
67
68 public void onClick(View v)
69 {
70 // TODO Auto-generated method stub
71 if ( v == preisProLiterButton)
72 {
73 getankteLiter = bigLiterNumberPicker.getValue();
74 getankteLiter += ((double)lowLiterNumberPicker.getValue()) / 100;
75
76 gesamtPreis = bigGesamtpreisNumberPicker.getValue();
77 gesamtPreis += ((double)lowGesamtpreisNumberPicker.getValue()/100);
78
79 if (0 == getankteLiter )
80 {
81 preisProLiterTextView.setText("gib die Anzahl getankter Liter ein");
82 }
83
84 else
85 {
86 double preisProLiter;
87
88 preisProLiter = gesamtPreis/getankteLiter;
89 preisProLiter = (double)Math.round(preisProLiter*1000)/1000; //runden auf 2. Stelle nach dem Komma
90
91 preisProLiterTextView.setText(""+preisProLiter+" €");
92 }
93 }
94 }
95
96}