Android Intent數據傳輸

// 目錄結構

//運行結果

//SimpleDemo01Activity.java

1. package sn.len.simple;
3. import Android.app.Activity;
4. import android.content.Intent;
5. import android.os.Bundle;
6. import android.util.Log;
7. import android.view.View;
8. import android.view.View.OnClickListener;
10. public class SimpleDemo01Activity extends Activity implements OnClickListener
11. {
13. @Override
14. public void onCreate(Bundle savedInstanceState)
15. {
16. super.onCreate(savedInstanceState);
17. setContentView(R.layout.main);
18. View openOtherAct=findViewById(R.id.openotheractivity);
19. openOtherAct.setOnClickListener(this);
21. }
23. @Override
24. public void onClick(View v)
25. {
26. switch (v.getId())
27. {
28. case R.id.openotheractivity:
30. Intent intent=new Intent(this,OtherActivity.class);
31. //傳參寫法1
32. intent.putExtra("name", "楊煉");
33. intent.putExtra("age", 18);
34. //傳參寫法2
35. Bundle bundle=new Bundle();
36. bundle.putString("name", "xiaoyang");
37. bundle.putInt("age", 18);
38. intent.putExtras(bundle);
39. //激活另一個Activity
40. //startActivity(intent);
41. startActivityForResult(intent, 100);
42. break;
43. default:
44. break;
45. }
46. }
47. @Override
48. protected void onActivityResult(int requestCode, int resultCode, Intent data)
49. {
50. if(resultCode==20) //判斷其它關閉
51. {
52. String str=data.getExtras().getString("close");
53. Log.i("CLOSE", str);
54. }
55. else
56. {
57. Log.i("CLOSE", "叫你不按按鈕關閉，如果不判斷響應代碼就出異常了吧。");
58. }
60. }
62. }

1. package sn.len.simple;
3. import android.app.Activity;
4. import android.content.Intent;
5. import android.os.Bundle;
6. import android.view.View;
7. import android.view.View.OnClickListener;
8. import android.widget.Button;
9. import android.widget.TextView;
11. public class OtherActivity extends Activity implements OnClickListener
12. {
14. @Override
15. protected void onCreate(Bundle savedInstanceState)
16. {
17. // TODO Auto-generated method stub
18. super.onCreate(savedInstanceState);
19. setContentView(R.layout.other);
20. Intent intent=this.getIntent();
21. //取得方法1
22. String name1=intent.getStringExtra("name");
23. int age1=intent.getIntExtra("age",0);
24. //取得方法2
25. String name2=intent.getExtras().getString("name");
26. int age2=intent.getExtras().getInt("age");
27. TextView textView1=(TextView)findViewById(R.id.simplepro1);
28. TextView textView2=(TextView)findViewById(R.id.simplepro2);
29. textView1.setText("第一種:name"+name1+" age"+age1);
30. textView2.setText("第二種:name"+name2+" age"+age2);
34. Button close=(Button)findViewById(R.id.close);
35. close.setOnClickListener(this);
37. }
39. @Override
40. public void onClick(View v)
41. {
42. switch(v.getId())
43. {
44. case R.id.close:
45. Intent intent2=new Intent();
46. intent2.putExtra("close", "已經關掉了");
47. setResult(20, intent2);
48. finish();
49. break;
50. }
52. }
55. }