small project) 띠 계산 앱 만들기의 java, layout 파일

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="${relativePackage}.${activityClass}" >

    <Button
        android:id="@+id/buttonStart"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="190dp"
        android:text="Start" />

    <Button
        android:id="@+id/buttonSetup"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignLeft="@+id/buttonStart"
        android:layout_below="@+id/buttonStart"
        android:layout_marginTop="40dp"
        android:text="Setup" />

</RelativeLayout>

activity_setup.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="${relativePackage}.${activityClass}" >

    <TextView
        android:id="@+id/textView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:text="이름" />

    <EditText
        android:id="@+id/editTextName"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/textView1"
        android:ems="10"
        android:inputType="textPersonName" >
    </EditText>

    <TextView
        android:id="@+id/textView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/editTextName"
        android:text="생년" />

    <EditText
        android:id="@+id/editTextYearBorn"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/textView2"
        android:ems="10" >

    </EditText>

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/editTextYearBorn"
        android:text="Save" />

</RelativeLayout>

activity_display.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    tools:context="${relativePackage}.${activityClass}" >

    <TextView

        android:id="@+id/textView1"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_centerHorizontal="true"

        android:layout_centerVertical="true"

        android:text="Hello" />

</RelativeLayout>

MainActivity.java

package com.example.mybirthdayapp;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class MainActivity extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);

Button buttonStart = (Button)findViewById(R.id.buttonStart);

buttonStart.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(MainActivity.this, DisplayActivity.class);
startActivity(intent);
}
});

Button buttonSetup = (Button)findViewById(R.id.buttonSetup);

buttonSetup.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(MainActivity.this, SetupActivity.class);
startActivity(intent);
}
});
}
}

SetupActivity.java

package com.example.mybirthdayapp;

import android.app.Activity;
import android.os.Bundle;
import android.view.Gravity;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class SetupActivity extends Activity {

EditText editTextName;
EditText editTextYearBorn;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_setup);

Button saveButton = (Button)findViewById(R.id.button1);
editTextName = (EditText)findViewById(R.id.editTextName);
editTextYearBorn = (EditText)findViewById(R.id.editTextYearBorn);

String name = MyUtil.getPreferenceString(getApplicationContext(), "name", "");
Integer yearBorn = MyUtil.getPreferenceInt(getApplicationContext(), "yearBorn", 1995);

editTextName.setText(name);
editTextYearBorn.setText(yearBorn+"");

saveButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
String name = editTextName.getText().toString();
String yearBorn = editTextYearBorn.getText().toString();

MyUtil.savePreferenceString(getApplicationContext(), "name", name);
MyUtil.savePreferenceInt(getApplicationContext(), "yearBorn", Integer.valueOf(yearBorn));

Toast.makeText(getApplicationContext(), "Saved!", Toast.LENGTH_SHORT).show();

finish();
}
});
}
}

DisplayActivity.java

package com.example.mybirthdayapp;

import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;

public class DisplayActivity extends Activity {

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_display);

TextView textView = (TextView)findViewById(R.id.textView1);

String name = MyUtil.getPreferenceString(getApplicationContext(), "name", "");
Integer yearBorn = MyUtil.getPreferenceInt(getApplicationContext(), "yearBorn", 1995);

String animal = "";

int namuji = yearBorn % 12;

if (namuji == 4) animal = "쥐띠";
else if (namuji == 5) animal = "소띠";
else if (namuji == 6) animal = "호랑이띠";
else if (namuji == 7) animal = "토끼띠";
else if (namuji == 8) animal = "용띠";
else if (namuji == 9) animal = "뱀띠";
else if (namuji == 10) animal = "말띠";
else if (namuji == 11) animal = "양띠";
else if (namuji == 0) animal = "원숭이띠";
else if (namuji == 1) animal = "닭띠";
else if (namuji == 2) animal = "개띠";
else if (namuji == 3) animal = "돼지띠";

textView.setText("Hi, "+name + " You're born in " + yearBorn + " your animal " + animal);
}
}

MyUtil.java

package com.example.mybirthdayapp;

import android.content.Context;

import android.content.SharedPreferences;

public class MyUtil {

private static final String pref_name = "appname";

private static final int pref_mode = Context.MODE_PRIVATE;

//////////////////////////////////////////////////////////////////////////

private static SharedPreferences getPref(Context context) {

return context.getSharedPreferences(pref_name, pref_mode);

}

//////////////////////////////////////////////////////////////////////////

public static void savePreferenceString(Context context, String key, String value) {

getPref(context).edit().putString(key, value).commit();

}

public static String getPreferenceString(Context context, String key, String value) {

return getPref(context).getString(key, value);

}

//////////////////////////////////////////////////////////////////////////

public static void savePreferenceInt(Context context, String key, Integer value) {

getPref(context).edit().putInt(key, value).commit();

}

public static Integer getPreferenceInt(Context context, String key, Integer value) {

return getPref(context).getInt(key, value);

}

}