1. 透過Bundle物件傳遞參數到下一個Activity
2. 第一個Activity(MainActivity.java)
01.package org.me.android_transferparam;02.import android.app.Activity;03.import android.content.Intent;04.import android.os.Bundle;05.import android.view.View;06.import android.widget.Button;07.import android.widget.EditText;08. 09.public class MainActivity extends Activity {10. private Button nextButton;11. private EditText nameEdit;12. private EditText phoneEdit;13. 14. @Override15. public void onCreate(Bundle icicle) {16. super.onCreate(icicle);17. setContentView(R.layout.main);18. //載入所有的Widget19. loadWidget();20. 21. nextButton.setOnClickListener(new Button.OnClickListener(){22. @Override23. public void onClick(View view){24. //傳送參數到下一個Actitity25. deliverToNextActitity();26. }27. });28. }29. 30. public void deliverToNextActitity(){31. //建立一個bundle物件,並將要傳遞的參數放到bundle裡32. Bundle bundle = new Bundle();33. bundle.putString("name", nameEdit.getText().toString());34. bundle.putString("phone", phoneEdit.getText().toString());35. Intent intent = new Intent();36. //設定下一個Actitity37. intent.setClass(this, SecondActivity.class);38. intent.putExtras(bundle);39. //開啟Activity40. startActivity(intent);41. }42. 43. private void loadWidget(){44. nextButton = (Button) findViewById(R.id.nextButton);45. nameEdit = (EditText) findViewById(R.id.nameEdit);46. phoneEdit = (EditText) findViewById(R.id.phoneEdit);47. }48.}
3. 第二個Activity(SecondActivity.java)
01.package org.me.android_transferparam;02.import android.app.Activity;03.import android.os.Bundle;04.import android.view.View;05.import android.widget.Button;06.import android.widget.TextView;07. 08.public class SecondActivity extends Activity {09. 10. @Override11. public void onCreate(Bundle icicle) {12. super.onCreate(icicle);13. setContentView(R.layout.second);14. TextView content = (TextView) findViewById(R.id.content);15. Button backButton = (Button) findViewById(R.id.backButton);16. //取得前一個Activity傳過來的Bundle物件17. Bundle bundle = getIntent().getExtras();18. content.setText("姓名:"+bundle.getString("name")+" 電話:"+bundle.getString("phone"));19. 20. backButton.setOnClickListener(new Button.OnClickListener(){21. @Override22. public void onClick(View view){23. //結束此Activity24. finish();25. }26. });27. }28.}
4. main.xml(Layout)
01.<?xml version="1.0" encoding="utf-8"?>02.<AbsoluteLayout03. android:id="@+id/widget149"04. android:layout_width="fill_parent"05. android:layout_height="fill_parent"06. xmlns:android="http://schemas.android.com/apk/res/android"07. >08. <EditText09. android:id="@+id/nameEdit"10. android:layout_width="100px"11. android:layout_height="36px"12. android:layout_x="58px"13. android:layout_y="12px"14. >15. </EditText>16. <TextView17. android:id="@+id/nameText"18. android:layout_width="wrap_content"19. android:layout_height="wrap_content"20. android:text="姓名:"21. android:layout_x="0px"22. android:layout_y="18px"23. >24. </TextView>25. <TextView26. android:id="@+id/phoneText"27. android:layout_width="wrap_content"28. android:layout_height="-12px"29. android:text="電話:"30. android:layout_x="-1px"31. android:layout_y="62px"32. >33. </TextView>34. <EditText35. android:id="@+id/phoneEdit"36. android:layout_width="100px"37. android:layout_height="36px"38. android:layout_x="58px"39. android:layout_y="57px"40. >41. </EditText>42. <Button43. android:id="@+id/nextButton"44. android:layout_width="wrap_content"45. android:layout_height="wrap_content"46. android:text="傳送到下一個Activity"47. android:layout_x="4px"48. android:layout_y="103px"49. >50. </Button>51.</AbsoluteLayout>
5. second.xml(Layout)
01.<?xml version="1.0" encoding="UTF-8"?>02.<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"03. android:orientation="vertical"04. android:layout_width="fill_parent"05. android:layout_height="fill_parent">"06. <TextView07. android:id="@+id/content"08. android:layout_width="wrap_content"09. android:layout_height="wrap_content">10. </TextView>11. <Button12. android:id="@+id/backButton"13. android:layout_width="wrap_content"14. android:layout_height="wrap_content"15. android:text="回前一個Activity">16. </Button>17.</LinearLayout>
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