package com.example.testapp; import android.os.Bundle; import android.support.design.widget.FloatingActionButton; import android.support.design.widget.Snackbar; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.Toolbar; import android.view.View; import android.widget.TextView; import android.view.Menu; import android.view.MenuItem; import android.widget.Button; import android.widget.Toast; import android.widget.LinearLayout; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(toolbar); FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab); fab.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG) .setAction("Action", null).show(); // TextView textView = (TextView) findViewById(android.support.v7.appcompat.R.id.text);// textView.setText("テスト"); Toast.makeText(view.getContext(), "テスト", Toast.LENGTH_LONG).show(); } }); Button button = (Button) findViewById(R.id.button_id); button.setOnClickListener(new View.OnClickListener() { public void onClick(View view) { // TODO: ボタン押下時の処理を追加する Toast.makeText(view.getContext(), "テストbutton", Toast.LENGTH_LONG).show(); } }); // layout.addView(button); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.menu_main, menu); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { // Handle action bar item clicks here. The action bar will // automatically handle clicks on the Home/Up button, so long // as you specify a parent activity in AndroidManifest.xml. int id = item.getItemId(); //noinspection SimplifiableIfStatement if (id == R.id.action_settings) { return true; } return super.onOptionsItemSelected(item); } }
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■strings.xml
<string name="button_txt">ボタン</string>
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■content_main.xml
<Button
android:id="@+id/button_id"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/button_txt"
/>
android:id="@+id/button_id"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/button_txt"
/>
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■idx.xml
<?xml version="1.0" encoding="utf-8"?>
<resources>
<item type="id" name="button_id" />
</resources>
<resources>
<item type="id" name="button_id" />
</resources>
