Text ersetzen nach Buttonklick

1package com.example.testapp;
2
3import android.os.Bundle;
4import android.app.Activity;
5import android.view.Menu;
6import android.view.View;
7import android.view.View.OnClickListener;
8import android.view.animation.Animation.AnimationListener;
9import android.widget.Button;
10import android.widget.TextView;
11
12public class MainActivity extends Activity implements OnClickListener {
13
14 public Button btn;
15 public TextView tw;
16
17 @Override
18 protected void onCreate(Bundle savedInstanceState) {
19 super.onCreate(savedInstanceState);
20 setContentView(R.layout.activity_main);
21
22 btn = (Button)findViewById(R.id.BtnKlick);
23 tw = (TextView)findViewById(R.id.Text);
24
25 btn.setOnClickListener(this);
26 }
27
28 @Override
29 public boolean onCreateOptionsMenu(Menu menu) {
30 // Inflate the menu; this adds items to the action bar if it is present.
31 getMenuInflater().inflate(R.menu.main, menu);
32 return true;
33 }
34
35 @Override
36 public void onClick(View v) {
37 // TODO Auto-generated method stub
38
39 tw.setText("Android");
40
41 }
42
43
44}

1<Button
2 android:id="@+id/BtnKlick"
3 android:layout_width="wrap_content"
4 android:layout_height="wrap_content"
5 android:layout_centerHorizontal="true"
6 android:layout_centerVertical="true"
7 android:text="KlickMich" />
8
9 <TextView
10 android:id="@+id/textView1"
11 android:layout_width="wrap_content"
12 android:layout_height="wrap_content"
13 android:layout_alignParentTop="true"
14 android:layout_centerHorizontal="true"
15 android:layout_marginTop="40dp"
16 android:text="Eclipse"
17 android:textSize="70dp" />
18
19 <TextView
20 android:id="@+id/Text"
21 android:layout_width="wrap_content"
22 android:layout_height="wrap_content"
23 android:layout_alignParentTop="true"
24 android:layout_centerHorizontal="true"
25 android:layout_marginTop="40dp"
26 android:textSize="70dp" />

1<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
2 xmlns:tools="http://schemas.android.com/tools"
3 android:layout_width="match_parent"
4 android:layout_height="match_parent" >
5
6 <Button
7 android:id="@+id/BtnKlick"
8 android:layout_width="wrap_content"
9 android:layout_height="wrap_content"
10 android:layout_alignParentTop="true"
11 android:layout_centerHorizontal="true"
12 android:layout_marginTop="209dp"
13 android:text="Button" />
14
15 <TextView
16 android:id="@+id/Text"
17 android:layout_width="wrap_content"
18 android:layout_height="wrap_content"
19 android:layout_centerHorizontal="true"
20 android:layout_marginTop="60dp"
21 android:text="Eclipse"
22 android:textSize="70sp" />
23
24</RelativeLayout>

1package com.example.testapp;
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.TextView;
10
11public class MainActivity extends Activity implements OnClickListener {
12
13
14 public Button btn;
15 public TextView tw;
16
17
18
19 @Override
20 protected void onCreate(Bundle savedInstanceState) {
21 super.onCreate(savedInstanceState);
22 setContentView(R.layout.activity_main);
23
24 btn = (Button)findViewById(R.id.BtnKlick);
25 tw = (TextView)findViewById(R.id.Text);
26
27
28
29 btn.setOnClickListener(this);
30 }
31
32 @Override
33 public boolean onCreateOptionsMenu(Menu menu) {
34 // Inflate the menu; this adds items to the action bar if it is present.
35 getMenuInflater().inflate(R.menu.main, menu);
36 return true;
37 }
38
39 @Override
40 public void onClick(View v) {
41 // TODO Auto-generated method stub
42
43
44 tw.setText("Android");
45
46
47
48 {}}}