App komische Werte entstehen

1package de.evohgames.crapclickers;
2
3 import java.util.Timer;
4 import java.util.TimerTask;
5
6 import android.app.Activity;
7 import android.os.Bundle;
8 import android.util.Log;
9 import android.view.Menu;
10 import android.view.View;
11 import android.view.View.OnClickListener;
12 import android.widget.Button;
13 import android.widget.TextView;
14
15 public class MainActivity extends Activity implements OnClickListener{
16
17 private Button click;
18 private Button but1;
19 private Button but2;
20 private Button but3;
21
22 private double Gesamt = 0;
23 private double secondcount;
24 private double zaehler1;
25
26 @Override
27 protected void onCreate(Bundle savedInstanceState) {
28 super.onCreate(savedInstanceState);
29 setContentView(R.layout.activity_main);
30 click = (Button) findViewById(R.id.button1);
31 click.setOnClickListener(this);
32 but1 = (Button) findViewById(R.id.button2);
33 but1.setOnClickListener(this);
34 aktualisieren();
35 starteCount();
36 }
37
38
39 @Override
40 public boolean onCreateOptionsMenu(Menu menu) {
41 // Inflate the menu; this adds items to the action bar if it is present.
42 getMenuInflater().inflate(R.menu.main, menu);
43 return true;
44 }
45
46
47 @Override
48 public void onClick(View v) {
49
50 if(v.getId() == R.id.button1) {
51 Gesamt = Gesamt + 1.0;
52 aktualisieren();
53 }
54
55 if(v.getId() == R.id.button2) {
56 if(Gesamt >= (int) Math.pow(1, 1)*50) {
57 Gesamt = Gesamt - (Math.pow(1, 1)*50);
58 zaehler1 = zaehler1 + 0.1;
59 aktualisieren();
60 }
61 }
62 Secondcount = zaehler1;
63 aktualisieren();
64 }
65
66 private void starteCount()
67 {
68 new Thread(new Runnable() {
69 public void run(){
70 Count();
71 }
72 }).start();
73 }
74
75 private void Count() {
76 Timer timer = new Timer();
77 TimerTask task = new TimerTask() {
78 public void run(){
79 MainActivity.this.runOnUiThread(new Runnable() {
80 public void run() {
81 Gesamt = Gesamt + secondcount;
82 aktualisieren();
83 }
84 });
85 }
86 };
87 timer.schedule(task, 0, 1000);
88 }
89
90 public void aktualisieren(){
91 TextView secondcount = (TextView) findViewById(R.id.secondcount);
92 secondcount.setText(Double.toString(secondcount) + " Secondcount");
93 TextView Gesamt = (TextView) findViewById(R.id.Gesamt);
94 Gesamt.setText(Double.toString(Gesamt) + " Gesamt");
95 but1.setText(Integer.toString( (int) ( Math.pow(1, 1)*50)));
96 }
97 }

1double test;
2 test = Math.round(0.1*10) / 10;
3 System.out.println(test);

1double test;
2 test = Math.round(0.1*10) ;
3 System.out.println(test);

1zaehler1 = zaehler1 + Math.round(0.1*10)/10d;