安卓一个Activity加载多个layout布局文件
博客后 附上工程文件
效果图:
看下工程结构:
MainActivity.java文件
package com.example.pro225;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
public class MainActivity extends Activity {
private Button btn1;
private Button btn2;
private Button btnback1;
private Button btnback2;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
this.setTitle(R.string.who);
btn1=(Button)findViewById(R.id.buttonlayout_1);
btn1.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
setContentView(R.layout.layout_1);
btnback1=(Button)findViewById(R.id.buttonback1);
btnback1.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent i=new Intent(MainActivity.this,MainActivity.class);
startActivity(i);
//setContentView(R.layout.activity_main);
}
});
}
});
btn2=(Button)findViewById(R.id.buttonlayout_2);
btn2.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
setContentView(R.layout.layout_2);
btnback2=(Button)findViewById(R.id.buttonback2);
btnback2.setOnClickListener(new OnClickListener(){
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent i=new Intent(MainActivity.this,MainActivity.class);
startActivity(i);
//setContentView(R.layout.activity_main);
}
});
}
});
}
}
还有一个有趣的东西可以改进,我们可以设置控件的可见与不可见,在代码中十分有用
添加的代码用红色标注出来了
下载链接:pro225.rar