1 package com.fry.logcatTest;
2
3
4
5
6
7 import android.app.Activity;
8 import android.content.Intent;
9 import android.os.Bundle;
10 import android.util.Log;
11 import android.view.View;
12 import android.view.View.OnClickListener;
13 import android.widget.Button;
14
15
16
17 public class MainActivity extends Activity{
18 protected void onCreate(Bundle savedInstanceState) {
19 super.onCreate(savedInstanceState);//父类操作
20 setContentView(R.layout.activity_main);//引入名为activity_main的界面
21 Log.v("MainActivity", "v"); 22 Log.d("MainActivity", "d"); 23 Log.i("MainActivity", "i"); 24 Log.w("MainActivity", "w"); 25 Log.e("MainActivity", "e"); 26 }
27 }
