belajar ku android yang pertama



res->layout->main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content" android:layout_height="match_parent"
android:orientation="vertical">

<EditText
   android:id="@+id/edit1"
   android:layout_width="200dp"
android:layout_height="wrap_content"
android:hint=""  (untuk menghilangkan error)
/>

<Button
   android:id="@+id/klik"
   android:layout_width="134dp"
android:layout_height="wrap_content"
android:text=""
android:hint="" android:onClick="myClickHandler"/> ......>diarahkan ke subProcedure

<EditText
   android:id="@+id/edit2"
   android:layout_width="200dp"
android:layout_height="wrap_content"
android:hint="" 
/>

<TextView
   android:id="@+id/textView1"
   android:layout_width="wrap_content"
   android:layout_height="wrap_content"
   />

</LinearLayout>



kemudian di src dot java
package com.example.helloworld;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;
import android.widget.Button;

public class HelloWorldActivity extends Activity {
    /** Called when the activity is first created. */
private TextView textview;
private TextView bbbb;
private TextView isiText;
private Button bot;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        textview = (TextView) findViewById(R.id.edit1); //konek kan dg xml
        bbbb = (TextView) findViewById(R.id.edit2);        
        bot   = (Button) findViewById(R.id.klik);
        isiText = (TextView) findViewById(R.id.textView1);
        
        //isi awal
        textview.setText("test"); //cara pengisian
        bot.setText("Klik");
        bbbb.setText("merdeka");
    }
        

//pengunaan botton
 public void myClickHandler(View view)
 {
switch (view.getId()){
case R.id.klik:
bbbb.setText(textview.getText());
isiText.setText(textview.getText());
    break;
    }
 }
}

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