LayoutInflater作用及使用

 1 package com.example.inflateapp;
 2 
 3 import android.app.Activity;
 4 import android.app.AlertDialog;
 5 import android.content.Context;
 6 import android.os.Bundle;
 7 import android.view.LayoutInflater;
 8 import android.view.Menu;
 9 import android.view.MenuItem;
10 import android.view.View;
11 import android.view.View.OnClickListener;
12 import android.widget.Button;
13 import android.widget.TextView;
14 
15 public class MainActivity extends Activity implements OnClickListener{
16 
17     private Button button;
18     @Override
19     protected void onCreate(Bundle savedInstanceState) {
20         super.onCreate(savedInstanceState);
21         setContentView(R.layout.activity_main);
22         
23         button=(Button) this.findViewById(R.id.button1);
24         button.setOnClickListener(this);
25     }
26 
27     @Override
28     public boolean onCreateOptionsMenu(Menu menu) {
29         // Inflate the menu; this adds items to the action bar if it is present.
30         getMenuInflater().inflate(R.menu.main, menu);
31         return true;
32     }
33 
34     @Override
35     public boolean onOptionsItemSelected(MenuItem item) {
36         // Handle action bar item clicks here. The action bar will
37         // automatically handle clicks on the Home/Up button, so long
38         // as you specify a parent activity in AndroidManifest.xml.
39         int id = item.getItemId();
40         if (id == R.id.action_settings) {
41             return true;
42         }
43         return super.onOptionsItemSelected(item);
44     }
45 
46     @Override
47     public void onClick(View v) {
48         // TODO Auto-generated method stub
49         showMyDialog();
50     }
51     void showMyDialog(){
52         AlertDialog.Builder buider;
53         AlertDialog alertDialog;
54         Context mcontext=MainActivity.this;
55         
56         LayoutInflater inflater=(LayoutInflater) mcontext.getSystemService(LAYOUT_INFLATER_SERVICE);
57         View layout=inflater.inflate(R.layout.custom_dialog, null);
58         TextView text=(TextView) layout.findViewById(R.id.textView1);
59         text.setText("LayoutInflater作用及使用 code by 子夜双鱼");
60         buider=new AlertDialog.Builder(mcontext);
61         buider.setView(layout);
62         alertDialog=buider.create();
63         alertDialog.show();
64         
65     }
66 }