在Android studio上自定义精美界面，要求包含选项菜单、上下文菜单及其对应的监听事件（高级UI组件使用练习）附完整源码

目录

activity_main.xml源码

main.xml源码

main_menu.xml

MainActivity.java源码

先放实现结果

        activity_main.xml、main_menu.xml和main.xml设计界面完成如下：

         MainActivity.java运行结果、长按选择英雄和长按选择铭文结果如下：

        目录 需要在menu下创建如下文件，把图片插入drawable

 activity_main.xml源码

main.xml源码

main_menu.xml

MainActivity.java源码

package com.example.a86189.threesz1;

        import android.support.v7.app.AppCompatActivity;
        import android.os.Bundle;
        import android.view.ContextMenu;
        import android.view.Menu;
        import android.view.MenuItem;
        import android.view.View;
        import android.widget.Button;
        import android.widget.EditText;
        import android.widget.Toast;
        import android.view.ContextMenu.ContextMenuInfo;

public class MainActivity extends AppCompatActivity {
    private Button Hero,Inscription;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Hero= (Button) findViewById(R.id.hero);
        Inscription= (Button) findViewById(R.id.inscription);
        registerForContextMenu(Hero);
        registerForContextMenu(Inscription);
    }

    @Override
    public void onCreateContextMenu(ContextMenu menu,View v,ContextMenu.ContextMenuInfo menuInfo) {
        getMenuInflater().inflate(R.menu.main_menu,menu);
        super.onCreateContextMenu(menu,v,menuInfo);

    }
    @Override
    public boolean onContextItemSelected(MenuItem item) {
        switch (item.getItemId()){
            case R.id.ns:
                toast("选择了诺手");
                break;
            case R.id.mw:
                toast("选择了蛮王");
                break;
            case R.id.hz:
                toast("选择了皇子");
                break;
            case R.id.js:
                toast("选择了剑圣");
                break;
            case R.id.j:
                toast("选择了劫");
                break;
            case R.id.tl:
                toast("选择了螳螂");
                break;
            case R.id.akl:
                toast("选择了阿卡丽");
                break;
            case R.id.ks:
                toast("选择了诺手卡莎");
                break;
            case R.id.we:
                toast("选择了薇恩");
                break;
            case R.id.hb:
                toast("选择了寒冰");
                break;
            case R.id.zz:
                toast("选择了主宰");
                break;
            case R.id.qd:
                toast("选择了启迪");
                break;
            case R.id.jj:
                toast("选择了坚决");
                break;
            case R.id.ws:
                toast("选择了巫术");
                break;
            case R.id.jm:
                toast("选择了精密");
                break;
        }
        return super.onContextItemSelected(item);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.main,menu);
        return true;
    }
    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int id =item.getItemId();
        switch (id){
            case R.id.warrior:
                toast("单击了战士");
                break;
            case R.id.thug:
                toast("单击了刺客");
                break;
            case R.id.ADC:
                toast("单击了射手");
        }
        return super.onOptionsItemSelected(item);
    }
    public void toast(String str) {
        Toast.makeText(MainActivity.this,str,Toast.LENGTH_LONG).show();
    }

}