電話帳アプリ | AndroidBasic卒業生作成アプリ

<LinearLayout 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"
    android:orientation="vertical"
    android:padding="15dp"
    tools:context=".MainActivity" >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_weight="9"
        android:gravity="top"
        android:orientation="horizontal" >

        <ListView
            android:id="@+id/ListView1"
            android:layout_width="match_parent"
            android:layout_height="match_parent" >
        </ListView>
    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="48dp"
        android:layout_weight="1"
        android:gravity="bottom"
        android:orientation="horizontal" >

        <Button
            android:id="@+id/entry"
            android:layout_width="match_parent"
            android:layout_height="48dp"
            android:layout_weight="1"
            android:text="新規 " />

        <Button
            android:id="@+id/delete"
            android:layout_width="match_parent"
            android:layout_height="48dp"
            android:layout_weight="1"
            android:text="データ削除" />
    </LinearLayout>

</LinearLayout>

• EntryActivity.java

package com.example.contactlistsample;

import android.app.Activity;
import android.content.ContentValues;
import android.content.Intent;
import android.database.sqlite.SQLiteDatabase;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class EntryActivity extends Activity implements OnClickListener {

	private MyOpenHelper helper = new MyOpenHelper(this);

	private EditText nameEdit;
	private EditText numberEdit;
	private EditText addressEdit;

	private String tableName = "person";
	private SQLiteDatabase db;

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

		db = helper.getWritableDatabase();

		Button button = (Button) findViewById(R.id.button1);
		button.setOnClickListener(this);
	}

	@Override
	public void onClick(View v) {

		nameEdit = (EditText) findViewById(R.id.editName);
		numberEdit = (EditText) findViewById(R.id.editNumber);
		addressEdit = (EditText) findViewById(R.id.editAddress);

		String name = nameEdit.getText().toString();
		String number = numberEdit.getText().toString();
		String address = addressEdit.getText().toString();

		if (name.equals("")) {
			Toast.makeText(this, "名前を入力してください。", Toast.LENGTH_SHORT).show();
		} else if (number.equals("")) {
			Toast.makeText(this, "電話番号を入力してください。", Toast.LENGTH_SHORT).show();
		} else {
			ContentValues insert = new ContentValues();
			insert.put("name", name);
			insert.put("number", number);
			insert.put("address", address);
			db.insert(tableName, name, insert);

			Toast.makeText(this, name + "さんを登録しました。", Toast.LENGTH_SHORT)
					.show();
		}

		nameEdit.getEditableText().clear();
		numberEdit.getEditableText().clear();

		Intent backIntent = new Intent(EntryActivity.this, MainActivity.class);
		startActivity(backIntent);
	}
}

• activity_entry.xml

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

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="名前" />

    <EditText
        android:id="@+id/editName"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:ems="10"
        android:inputType="textPersonName" >

        <requestFocus />
    </EditText>

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="電話番号" />

    <EditText
        android:id="@+id/editNumber"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:ems="10"
        android:inputType="phone" />

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="メールアドレス" />

    <EditText
        android:id="@+id/editAddress"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:ems="10"
        android:inputType="textEmailAddress" />

    <Button
        android:id="@+id/button1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="登録" />

</LinearLayout>

• DetailActivity.java

package com.example.contactlistsample;

import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

public class DetailActivity extends Activity implements OnClickListener {

	private MyOpenHelper helper = new MyOpenHelper(this);

	private TextView nameTextView;
	private TextView numberTextView;
	private TextView addressTextView;

	private String tableName = "person";
	private SQLiteDatabase db;
	private long id;

	private Cursor c;

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

		db = helper.getReadableDatabase();

		Intent intent = getIntent();
		id = intent.getLongExtra("number", 0l);

		c = db.query(tableName, new String[] { PersonTable.NAME,
				PersonTable.NUMBER, PersonTable.ADDRESS }, "_id = ?",
				new String[] { String.valueOf(id) }, null, null, null);

		nameTextView = (TextView) findViewById(R.id.textName);
		numberTextView = (TextView) findViewById(R.id.textNumber);
		addressTextView = (TextView) findViewById(R.id.textAddress);

		c.moveToFirst();

		nameTextView.setText(c.getString(c.getColumnIndex(PersonTable.NAME)));
		numberTextView
				.setText(c.getString(c.getColumnIndex(PersonTable.NUMBER)));
		addressTextView.setText(c.getString(c
				.getColumnIndex(PersonTable.ADDRESS)));

		Button editB = (Button) findViewById(R.id.editButton);
		Button callB = (Button) findViewById(R.id.callButton);
		Button mailB = (Button) findViewById(R.id.mailButton);

		editB.setOnClickListener(this);
		callB.setOnClickListener(this);
		mailB.setOnClickListener(this);

	}

	@Override
	public void onClick(View v) {
		switch (v.getId()) {
		case R.id.editButton:
			Intent editIntent = new Intent(DetailActivity.this,
					EditActivity.class);
			editIntent.putExtra("id", id);
			startActivity(editIntent);
			break;

		case R.id.callButton:
			Uri uriCall = Uri.parse("tel:"
					+ c.getString(c.getColumnIndex(PersonTable.NUMBER)));
			Intent callIntent = new Intent(Intent.ACTION_CALL, uriCall);
			startActivity(callIntent);
			break;

		case R.id.mailButton:
			Intent mailIntent = new Intent(Intent.ACTION_SEND);
			mailIntent.setType("text/plain");
			mailIntent.putExtra(Intent.EXTRA_EMAIL, new String[] { c
					.getString(c.getColumnIndex(PersonTable.ADDRESS)) });
			startActivity(mailIntent);
			break;

		default:
			break;
		}
	}
}

• activity_detail.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:padding="15dp" >

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="名前" />

    <TextView
        android:id="@+id/textName"
        android:layout_width="match_parent"
        android:layout_height="48dp" />

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="電話番号" />

    <TextView
        android:id="@+id/textNumber"
        android:layout_width="match_parent"
        android:layout_height="48dp" />

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="メールアドレス" />

    <TextView
        android:id="@+id/textAddress"
        android:layout_width="match_parent"
        android:layout_height="48dp" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal" >

        <Button
            android:id="@+id/editButton"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="編集" />

        <Button
            android:id="@+id/callButton"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="電話" />

        <Button
            android:id="@+id/mailButton"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_weight="1"
            android:text="メール" />
    </LinearLayout>

</LinearLayout>

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