[안드로이드 스튜디오] 컨텍스트 메뉴

XML

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

    <TextView
        android:id="@+id/tv1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:text="Only I can change my life. No one can do it for me."
        android:textSize="200px"
        android:typeface="serif"/>
</LinearLayout>

 

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JAVA

package com.example.a07_29;

import android.graphics.Color;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.MenuItem;
import android.view.View;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.appcompat.app.AppCompatActivity;

public class MainActivity extends AppCompatActivity {
    TextView tv1;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        tv1 = (TextView) findViewById(R.id.tv1);
        registerForContextMenu(tv1);
    }

    @Override
    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
        super.onCreateContextMenu(menu, v, menuInfo);
        menu.setHeaderTitle("컨텍스트메뉴");
        menu.add(0,1,0,"배경색: RED");
        menu.add(0,2,0,"배경색: GREEN");
        menu.add(0,3,0,"배경색: BLUE");
    }

    @Override
    public boolean onContextItemSelected(@NonNull MenuItem item) {
        int id = item.getItemId();
        if (id == 1) {
            tv1.setBackgroundColor(Color.RED);
            return true;
        } else if (id == 2) {
            tv1.setBackgroundColor(Color.GREEN);
            return true;
        } else if (id == 3) {
            tv1.setBackgroundColor(Color.BLUE);
            return true;
        }
        return super.onContextItemSelected(item);
    }
}

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