동적으로 리니어레이아웃 만들기

결과

MainActivity.java

package com.example.android_layout; import android.app.Activity; import android.graphics.Color; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.LinearLayout; import android.widget.Toast; public class MainActivity extends Activity {     LinearLayout testLayout;     @Override     public void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         // setContentView(R.layout.activity_main);         LinearLayout.LayoutParams p = new LinearLayout.LayoutParams(                 LinearLayout.LayoutParams.MATCH_PARENT,                 LinearLayout.LayoutParams.MATCH_PARENT);         testLayout = new LinearLayout(this);         testLayout.setOrientation(LinearLayout.VERTICAL);         testLayout.setBackgroundColor(Color.rgb(0, 255, 0));         setContentView(testLayout, p);         CreateButton();                        //메소드 호출     }     public void CreateButton() {         Button btn = new Button(this);         btn.setText("자바코드에서 생성한 버튼");         btn.setBackgroundColor(Color.CYAN);         testLayout.addView(btn);         btn.setOnClickListener(new OnClickListener() {             public void onClick(View arg0) {                 Toast.makeText(getApplicationContext(), "코드로 생성한 버튼입니다.", 0).show();             }         });     } }