Discussion :

[Fichss]

bonjour
je suis débutant en androïd
j'ai un bug dans ficher main.xml
et j'ai pas bien compris le problem

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
 
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
  xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="wrap_content"
  android:layout_height="wrap_content">
 
<TextView
	        android:id="@+id/questions"
	        android:layout_width="wrap_content"
  android:layout_height="wrap_content"
	        android:text="@string/questions"
 
	        android:textStyle="bold"
	        />
 
	    <RelativeLayout
	    android:id="@+id/InnerRelativeLayoutQuestion"
	    android:layout_width="wrap_content"
	    android:layout_height="wrap_content"
	    android:layout_centerInParent="true" >
 
	        <RadioGroup android:layout_width="fill_parent"
	        android:layout_height="wrap_content"
	        android:orientation="vertical"
	        android:id="@+id/radiogroup1">
 
	            <RadioButton android:text="@string/data_suf_a"
	                android:id="@+id/Rep1"
	                android:layout_width="wrap_content"
	                android:layout_height="wrap_content"
	                android:textSize="@dimen/txtdatasuf">
	            </RadioButton>
	            <RadioButton android:text="@string/data_suf_b"
	                android:id="@+id/Rep2"
	                android:layout_width="wrap_content"
	                android:layout_height="wrap_content"
	                android:textSize="@dimen/txtdatasuf">
	            </RadioButton>
            <RadioButton android:text="@string/data_suf_d" android:id="@+id/Rep4" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textSize="@dimen/txtdatasuf">
	            </RadioButton><RadioButton android:text="@string/data_suf_c"
	                android:id="@+id/Rep3"
	                android:layout_width="wrap_content"
	                android:layout_height="wrap_content"
	                android:textSize="@dimen/txtdatasuf">
	            </RadioButton>
 
	            <RadioButton android:text="@string/data_suf_e"
	                android:id="@+id/Rep5"
	                android:layout_width="wrap_content"
	                android:layout_height="wrap_content"
	                android:textSize="@dimen/txtdatasuf">
	            </RadioButton>
	         </RadioGroup>
	    </RelativeLayout>
 
	    <RelativeLayout
	        android:id="@+id/InnerRelativeLayout"
	        android:layout_width="wrap_content"
	        android:layout_height="wrap_content"
	        android:layout_alignParentBottom="true" >
 
	        <Button android:text="Next"
	            android:id="@+id/Next"
	            android:layout_alignParentRight="true"
	            android:layout_width="wrap_content"
	            android:layout_height="wrap_content">
	        </Button>
 
	    </RelativeLayout>
 
	</RelativeLayout>

Code :

Sélectionner tout - Visualiser dans une fenêtre à part

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
 
 
package demo.demo;
 
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
 
public class demo extends Activity {
    private static int count;
    public String[] questions = { "Is x an integer ?\n(1) x/2 is an integer \n(2) 2x is an integer",
            "What is the value of x ? \n(1)2x + 1=0 \n(2) (x+1)²=x²",
            "What is the value of 1/k + 1/r ? \n(1) k+r = 20 \n(2) kr = 64" };
 
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
 
 
 
       TextView quest = null ;
       Button btn = null ;
 
        if (count<3){
            quest.setText(count + "  " + questions[count]);
        }
        else{
            quest.setText(count + " questions " );
        }
 
        btn.setOnClickListener(new View.OnClickListener() {
 
            public void onClick(View view) {
                newActivity();
 
            }
 
        });
 
    }
 
    public void newActivity (){
        Intent i = new Intent();
        i.setClass(this, demo.class);
        i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        startActivity(i);
        count++;
    }
}

merci beaucoup