Rechner - Buttons mit Tetviews verbinden

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  • Neuester Beitrag
Diskutiere Rechner - Buttons mit Tetviews verbinden im Android App Entwicklung im Bereich Betriebssysteme & Apps.
M

MatthiasKramer

Ambitioniertes Mitglied
Hallo,
Ich habe vor ein kleinen Taschenrechner zu programmieren.
Im Grunde sollte der so funktionieren: Nach dem Start kommt man auf die "HauptmenueActivity" in welcher man freundlich begrüßt wird und 3 Verfahrensmölichkeiten bekommt: Wechseln zum Rechner, Wechseln zu den "Saves" und "App schließen".
Diese Activity habe ich auch im Grunde fertig, funktioniert auch alles soweit. Ich hänge jetzt aber beim Rechner, das Layout habe ich schon fertig:


Mein Ziel ist es jetzt, dass wenn ich auf einen Button klicke (z.B. "9"), dass diese 9 im TextView "Aufgabe" erscheint. Wenn ich dann z.B. "9+1" eingegeben habe, klicke ich auf "=" und das Ergebnis erscheint im TextView "ergebnis". Ebenfalls könnte ich dann die Aufgabe auf einer anderen Activity speichern,indem ich auf "Save" klicke oder die Aufgabe wieder auf null setzen, indem ich auf "Reset" klicke.

Bisher habe ich folgendes:

RechnerActivity
Code:
package de.meinprojekt.rechner;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
public class RechnerActivity extends Activity {
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.rechner);
    }
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.rechner, menu);
        return true;
    }
    public void onClickClose (View view) {
     finish();
    }
    public void onClickBack (View view) {
     Intent intent = new Intent (this, HauptmenueActivity.class);
     startActivity (intent);
     finish();
 
    }
 
    public void onClickbtn9 (View view) {
     TextView tv = (TextView)
     Button btn = (Button) 
 
    }
}
RechnerLayout
Code:
[SIZE=2][COLOR=#008080]

[SIZE=2][COLOR=#008080]<
[/COLOR][/SIZE][/COLOR][/SIZE][LEFT][SIZE=2][COLOR=#3f7f7f][SIZE=2][COLOR=#3f7f7f]RelativeLayout[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]xmlns:android[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"http://schemas.android.com/apk/res/android"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[LEFT][/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]xmlns:tools[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"http://schemas.android.com/tools"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
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[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_height[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"match_parent"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]>[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#008080][/LEFT]
[/COLOR][/SIZE]
[LEFT][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]<[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f][SIZE=2][COLOR=#3f7f7f]Button[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f]
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[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]style[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"?android:attr/buttonStyleSmall"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
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[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_height[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_alignParentBottom[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"true"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
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[/COLOR][/SIZE]
[LEFT][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]<[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f][SIZE=2][COLOR=#3f7f7f]Button[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:id[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button1"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_width[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_height[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_alignParentLeft[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"true"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_marginTop[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"50dp"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:minWidth[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"40dip"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:onClick[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"onClickbtn9"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:text[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@string/btn_9"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]/>[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#008080][/LEFT]
[/COLOR][/SIZE]
[LEFT][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]<[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f][SIZE=2][COLOR=#3f7f7f]Button[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:id[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button2"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_width[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_height[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_alignBaseline[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button1"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_alignBottom[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button1"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_toRightOf[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button1"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:minWidth[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"40dip"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:text[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@string/btn_8"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]/>[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#008080][/LEFT]
[/COLOR][/SIZE]
[LEFT][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]<[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f][SIZE=2][COLOR=#3f7f7f]Button[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:id[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button3"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_width[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_height[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_alignBottom[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button2"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_toRightOf[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button2"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
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[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:text[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@string/btn_7"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]/>[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#008080][/LEFT]
[/COLOR][/SIZE]
[LEFT][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]<[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f][SIZE=2][COLOR=#3f7f7f]Button[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:id[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button4"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_width[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
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[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_alignParentLeft[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"true"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
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[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:text[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@string/btn_6"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]/>[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#008080][/LEFT]
[/COLOR][/SIZE]
[LEFT][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]<[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f][SIZE=2][COLOR=#3f7f7f]Button[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f]
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[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_width[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_height[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_alignBaseline[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button4"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
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[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:minWidth[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"40dip"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:text[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@string/btn_5"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]/>[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#008080][/LEFT]
[/COLOR][/SIZE]
[LEFT][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]<[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f][SIZE=2][COLOR=#3f7f7f]Button[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:id[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button6"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_width[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_height[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_alignBaseline[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button5"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_alignBottom[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button5"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_toRightOf[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button5"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:minWidth[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"40dip"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:text[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@string/btn_4"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]/>[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#008080][/LEFT]
[/COLOR][/SIZE]
[LEFT][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]<[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f][SIZE=2][COLOR=#3f7f7f]Button[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f]
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[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_alignParentLeft[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"true"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
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[LEFT][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]<[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f][SIZE=2][COLOR=#3f7f7f]Button[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f]
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[LEFT][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]<[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f][SIZE=2][COLOR=#3f7f7f]Button[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f]
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[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_height[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_alignBottom[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button3"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
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[LEFT][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]<[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f][SIZE=2][COLOR=#3f7f7f]Button[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f]
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[LEFT][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]<[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f][SIZE=2][COLOR=#3f7f7f]Button[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f]
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[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_height[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_alignRight[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button13"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
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[LEFT][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]<[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f][SIZE=2][COLOR=#3f7f7f]Button[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f]
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[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]style[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"?android:attr/buttonStyleSmall"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_width[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_height[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
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[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:onClick[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"onClickBack"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:text[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@string/btn_back"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]/>[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#008080][/LEFT]
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[LEFT][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]<[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f][SIZE=2][COLOR=#3f7f7f]Button[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:id[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button17"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_width[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_height[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_alignParentLeft[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"true"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_below[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button10"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_marginTop[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"24dp"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:minWidth[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"90dip"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:text[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@string/btn_reset"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]/>[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#008080][/LEFT]
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[LEFT][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]<[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f][SIZE=2][COLOR=#3f7f7f]Button[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:id[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button18"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
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[LEFT][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]<[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f][SIZE=2][COLOR=#3f7f7f]TextView[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f]
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[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_width[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"match_parent"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
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[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_alignParentLeft[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"true"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
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[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:background[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"#CCCCCC"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:minHeight[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"20dip"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:text[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@string/aufgabe_hint"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
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[/COLOR][/SIZE]
[LEFT][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]<[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f][SIZE=2][COLOR=#3f7f7f]TextView[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:id[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/Ergebnis"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_width[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"match_parent"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_height[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_alignParentLeft[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"true"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_below[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/TextView01"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:background[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"#CCCCCC"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:minHeight[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"20dip"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:text[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@string/ergebnis_hint"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:textStyle[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"normal|bold"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]/>[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#008080][/LEFT]
[/COLOR][/SIZE]
[LEFT][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]<[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f][SIZE=2][COLOR=#3f7f7f]Button[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:id[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button11"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_width[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_height[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_above[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button17"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_toLeftOf[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button10"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:minHeight[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"40dip"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:minWidth[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"40dip"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:text[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@string/btn_gleich"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
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[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:textStyle[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"bold"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]/>[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#008080][/LEFT]
[/COLOR][/SIZE]
[LEFT][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]<[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f][SIZE=2][COLOR=#3f7f7f]Button[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:id[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button15"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_width[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_height[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_below[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button14"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_toLeftOf[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/Schliessen"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:minWidth[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"50dip"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:text[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@string/btn_minus"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]/>[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#008080][/LEFT]
[/COLOR][/SIZE]
[LEFT][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]<[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f][SIZE=2][COLOR=#3f7f7f]Button[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#3f7f7f]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:id[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button19"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_width[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_height[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"wrap_content"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_below[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button8"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:layout_toRightOf[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@+id/button8"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:minWidth[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"40dip"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#2a00ff]
[/COLOR][/SIZE][SIZE=2][COLOR=#7f007f][SIZE=2][COLOR=#7f007f]android:text[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2]=[/SIZE][I][SIZE=2][COLOR=#2a00ff][SIZE=2][COLOR=#2a00ff]"@string/btn_punkt"[/COLOR][/SIZE][/COLOR][/SIZE][/I][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]/>[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#008080][/LEFT]
[/COLOR][/SIZE]
[LEFT][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]</[/LEFT]
[/LEFT]
[/COLOR][/SIZE][/COLOR][/SIZE][LEFT][SIZE=2][COLOR=#3f7f7f][SIZE=2][COLOR=#3f7f7f]RelativeLayout[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#008080][SIZE=2][COLOR=#008080]>[/COLOR][/SIZE][/COLOR][/SIZE][SIZE=2][COLOR=#008080]
[/COLOR][/SIZE]
Wenn ihr noch i.ein Code braucht, bitte melden:p

Ich weiß leider garnicht wie ich überhaupt anfangen soll, also wie ich das schaffen soll, dass die Zahl und/oder z.B. das + erst in das "Aufgabe"-TextView kommt und dann durch das klicken auf das "="-Zeichen im "Ergebnis" erscheint.

Bedanke mich schonmal, für Hilfe:)

LG
[/LEFT]
 
K

Kollen

Gast
Hi, ist ja eigentlich einfach du definierst erst die 2 TextViews die du in deinem Layout eingebaut hast in der Activity in dem der Layout halt erscheint (global sollte es sein damit auch in mehreren Buttons benutzt werden kann). Danach verweist du jedem Button eine OnClick Funktion oder (die bessere Variante) eine onClick Funktion für alle (siehe unten bsp. Code) und je nach Button Click wird auf dem Textview numero 1. der String aktualisiert. Außer bei dem = button dort wird gegebenfalls wie du es machen willst die Eingabe vom ersten Textview gelöscht oder bleibt halt erhalten und gibt den String vom ersten TextView + das Ergebnis im zweiten TextView aus. Hier ein Schnipsel wie ich es oben meine:

Code:
public class BlaBla {

private TextView nummer1;
private TextView nummer2;

@Override
public void onCreate(Bundle savedInstanceState) {
setContentView(R.layout.main);
nummer1 = (TextView) findViewById(R.id.textview1);
nummer2 = (TextView) findViewById(R.id.textview2);
}

//Gemeinsame Funktion für die ButtonClicks
public void onClickButton(View view){

switch(view.getId()){

case R.id.button_plus:{

String str = nummer1.getText().toString();
str += "+";
nummer1.setText(str); //Nun wenn der TextView leer wäre würde "+" drin
// stehen
break;
}
//usw machst für alle Buttons 

//Für den Button =
case R.id.button_ist_gleich:{
String str = nummer1.getText().toString();

//Nun nimmst du den String und kopierst ihn für den zweiten TextView und
// außerdem fügst du noch das = - Zeichen plus das ergebnis
// (Für das Ergebnis hab einen willkürlichen Methoden-namen genommen der angeblich 
//die Math. Aussage ausrechnet und als String zurückliefert


nummer2.setText(str + "=" + evaluate(str));

break;
}
}
}
letzendlich würde es im ersten textview das stehen -> "+"

und im zweiten textView das hier -> "+=Error" weil naja + allein kann man nicht berechnen lol. Sollte eigentlich leicht sein. Entweder bist du ein Blutiger Anfänger oder ich habe dein Problem nicht verstanden da die Lösung einfach ist...

ps: wenn das ist was du suchst würd ich die Lösung nicht kopieren und dann in mein project pasten, weil der code es frei geschrieben wurde und ich sicher ein paar fehler eingebaut habe die ich jetzt im mom nicht sehe ^.-
 
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