質問編集履歴
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コードの開示
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@@ -5,4 +5,88 @@
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②メイン画面にすべての画面分のレイアウトを記述する
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8
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①・②のどちらですか？
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8
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①・②のどちらですか？
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メイン画面のJava
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11
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```ここに言語を入力
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package com.example.club_.music;
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import android.app.Activity;
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import android.os.Bundle;
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import android.support.annotation.NonNull;
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import android.support.design.widget.BottomNavigationView;
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import android.support.v7.app.AppCompatActivity;
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import android.view.MenuItem;
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import android.widget.TextView;
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//public class Main extends AppCompatActivity {
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public class Main extends Activity{
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private TextView mTextMessage;
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private BottomNavigationView.OnNavigationItemSelectedListener mOnNavigationItemSelectedListener
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= new BottomNavigationView.OnNavigationItemSelectedListener() {
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@Override
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public boolean onNavigationItemSelected(@NonNull MenuItem item) {
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switch (item.getItemId()) {
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case R.id.item_music:
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mTextMessage.setText(R.string.Music);
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return true;
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case R.id.item_folder:
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mTextMessage.setText(R.string.Folder);
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return true;
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}
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return false;
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}
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};
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.main);
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}
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}
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```
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メイン画面のxml
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```ここに言語を入力
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<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout
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xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:app="http://schemas.android.com/apk/res-auto"
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xmlns:tools="http://schemas.android.com/tools"
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android:id="@+id/container"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:orientation="vertical"
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tools:context="com.example.club_.music.Main">
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<FrameLayout
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android:id="@+id/content"
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android:layout_width="match_parent"
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android:layout_height="0dp"
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android:layout_weight="1">
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<TextView
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android:id="@+id/message"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_marginBottom="@dimen/activity_vertical_margin"
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android:layout_marginLeft="@dimen/activity_horizontal_margin"
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android:layout_marginRight="@dimen/activity_horizontal_margin"
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android:layout_marginTop="@dimen/activity_vertical_margin"
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android:text="@string/Music"/>
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</FrameLayout>
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<android.support.design.widget.BottomNavigationView
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android:id="@+id/navigation"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:layout_gravity="bottom"
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android:background="?android:attr/windowBackground"
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app:menu="@menu/navigation"/>
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</LinearLayout>
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```
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