Android日志与DDMS

 1 package com.example.metrox.syslog;
 2 
 3 import android.support.v7.app.AppCompatActivity;
 4 import android.os.Bundle;
 5 import android.util.Log;
 6 
 7 public class MainActivity extends AppCompatActivity {
 8 
 9     public static  String TAG = "MainActivity";
10     @Override
11     protected void onCreate(Bundle savedInstanceState) {
12         super.onCreate(savedInstanceState);
13         setContentView(R.layout.activity_main);
14         Log.e(TAG,"错误的信息");
15         Log.w(TAG,"警告的信息");
16         Log.i(TAG,"普通的信息");
17         Log.d(TAG,"调试的信息");
18         Log.v(TAG,"无用的信息");
19         Log.e(TAG,"其它信息");
20     }
21 }