Activity间传参

 1 package com.example.metrox.l3;
 2
 3 import android.content.Intent;
 4 import android.support.v7.app.AppCompatActivity;
 5 import android.os.Bundle;
 6 import android.view.View;
 7
 8 public class MainActivity extends AppCompatActivity {
 9
10     @Override
11     protected void onCreate(Bundle savedInstanceState) {
12         super.onCreate(savedInstanceState);
13         setContentView(R.layout.activity_main);
14         findViewById(R.id.button).setOnClickListener(new View.OnClickListener() {
15             @Override
16             public void onClick(View view) {
17                 startActivity(new Intent(MainActivity.this,TheAty.class).putExtra("data","http://www.cnblogs.com/linhongquan"));
18             }
19         });
20     }
21 }

 1 package com.example.metrox.l3;
 2
 3 import android.support.v7.app.AppCompatActivity;
 4 import android.os.Bundle;
 5 import android.widget.TextView;
 6
 7 public class TheAty extends AppCompatActivity {
 8
 9     @Override
10     protected void onCreate(Bundle savedInstanceState) {
11         super.onCreate(savedInstanceState);
12         setContentView(R.layout.activity_the_aty);
13         ((TextView)findViewById(R.id.textView2)).setText(getIntent().getStringExtra("data"));
14     }
15 }