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package com.doop.multilayoutdemo;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.view.LayoutInflater;import android.view.View;import android.widget.Button;import android.widget.LinearLayout;import android.widget.RelativeLayout;//在后面添加implements View.OnClickListenerpublic class MainActivity extends AppCompatActivity implements View.OnClickListener { private RelativeLayout FatherLL; private LinearLayout ChildLL1; private LinearLayout ChildLL2; private Button btnloadLayout; private RelativeLayout.LayoutParams RLP; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); init();//初始化 } //初始化 private void init() { btnloadLayout = (Button) findViewById(R.id.btn_openChildLayout);//定义按钮引用 FatherLL = (RelativeLayout) findViewById(R.id.activity_main);//定义布局变量引用 View view1 = LayoutInflater.from(this).inflate(R.layout.acttivity_child, null, false); ChildLL1 = (LinearLayout) view1.findViewById(R.id.child1); View view2 = LayoutInflater.from(this).inflate(R.layout.activity_child2, null, false); ChildLL2 = (LinearLayout) view2.findViewById(R.id.child2); btnloadLayout.setOnClickListener(this);//btn_openChildLayout添加单击监听 } public void onClick(View view) { switch (view.getId()) { case R.id.btn_openChildLayout: RelativeLayout.LayoutParams RLP = new RelativeLayout.LayoutParams( RelativeLayout.LayoutParams.WRAP_CONTENT, RelativeLayout.LayoutParams.WRAP_CONTENT); RLP.setMargins(16, 16, 16, 16); FatherLL.addView(ChildLL1, RLP); ChildLL1.setVisibility(View.VISIBLE); break; default: break; } }} |
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