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ButtonDemoActivity(activityA) ：
package com.mhm.button.activity;import android.app.Activity;import android.content.Intent;import android.net.Uri;import android.os.Bundle;import android.view.Gravity;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.Toast;public class ButtonDemoActivity extends Activity { /** Called when the activity is first created. */ private Button btn_save; private Button btn_submit; private Button btn_call; private Button btn_sms; private Button btn_to_sec; private Button btn_to_sec_return; private static final int REQUESTCODE = 1; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); btn_save = (Button)findViewById(R.id.save); btn_submit = (Button)findViewById(R.id.submit); btn_call = (Button)findViewById(R.id.btn_call); btn_sms = (Button)findViewById(R.id.btn_sms); btn_to_sec = (Button)findViewById(R.id.btn_to_sec); btn_save.setOnClickListener(listener); btn_submit.setOnClickListener(listener); btn_call.setOnClickListener(listener); btn_sms.setOnClickListener(listener); btn_to_sec.setOnClickListener(listener); } private OnClickListener listener = new OnClickListener() { public void onClick(View v) { Button b = (Button)v; switch (b.getId()) { case R.id.save: Toast t = Toast.makeText(getApplicationContext(), "保存成功~", Toast.LENGTH_SHORT); t.setGravity(Gravity.CENTER_VERTICAL, 0, -100); t.show(); break; case R.id.submit: t = Toast.makeText(getApplicationContext(), "提交成功~", Toast.LENGTH_SHORT); t.setGravity(Gravity.CENTER_VERTICAL, 0, 100); t.show(); break; case R.id.btn_call: Intent intent = new Intent(); intent.setAction(Intent.ACTION_CALL); intent.setData(Uri.parse("tel:18721309985")); startActivity(intent); break; case R.id.btn_sms: intent = new Intent(); intent.setAction(Intent.ACTION_SENDTO); intent.setData(Uri.parse("smsto:5554")); intent.putExtra("sms_body", "Hello world"); startActivity(intent); break; //跳转activity的button case R.id.btn_to_sec: intent = new Intent(); intent.setClass(getApplicationContext(), ButtonDemoActivity2.class); intent.putExtra("str", "我是传递的参数"); startActivity(intent); break; default: t = Toast.makeText(getApplicationContext(), "按钮成功~", Toast.LENGTH_SHORT); t.setGravity(Gravity.CENTER_VERTICAL, 0, 200); t.show(); break; } } };}ButtonDemoActivity2：(activityB)
package com.mhm.button.activity;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.TextView;import android.widget.Toast;public class ButtonDemoActivity2 extends Activity { private TextView tv; private Button btn_save_2; private String str; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main2); //接收到activityA传递过来的参数 Intent intent = getIntent(); Bundle b = intent.getExtras(); str = b.getString("str"); tv = (TextView)findViewById(R.id.tv_sec); tv.setText(str); btn_save_2 = (Button)findViewById(R.id.save_sec); btn_save_2.setOnClickListener(listener); } private OnClickListener listener = new OnClickListener() { public void onClick(View v) { Button b = (Button)v; switch (b.getId()) { case R.id.save_sec: Toast t = Toast.makeText(getApplicationContext(), str, Toast.LENGTH_SHORT); t.show(); break; default: break; } } };}?
main.xml(acitvityA对应的xml)：
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <Button android:id="@+id/save" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="保存" /> <Button android:id="@+id/submit" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="提交" /> <Button android:id="@+id/btn_call" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="CALL" /> <Button android:id="@+id/btn_sms" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="MESSAGE" /> <Button android:id="@+id/btn_to_sec" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="跳转" /></LinearLayout>
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main2.xml：(activity2对应的xml)
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <TextView android:id="@+id/tv_sec" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Activity2" /> <Button android:id="@+id/save_sec" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="second保存" /></LinearLayout>?
<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.mhm.button.activity" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="10" /> <application android:icon="@drawable/ic_launcher" android:label="@string/app_name" > <activity android:label="@string/app_name" android:name=".ButtonDemoActivity" > <intent-filter > <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity><!-- 需要在AndroidManifest.xml中注册activityB --> <activity android:label="@string/app_name" android:name=".ButtonDemoActivity2" > </activity> </application><!-- 告诉android 程序可以打电话和发消息 --> <uses-permission android:name="android.permission.CALL_PHONE"/> <uses-permission android:name="android.permission.SEND_SMS"/> </manifest>?
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