android 22 启动带2个action值的预定义acticity
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互联网集市收集整理的这篇技术教程文章主要介绍了android 22 启动带2个action值的预定义acticity，小编现在分享给大家，供广大互联网技能从业者学习和参考。文章包含3802字，纯文字阅读大概需要6分钟。
内容图文
main.xml
<
LinearLayout
xmlns:android
="http://schemas.android.com/apk/res/android"
android:layout_width
="match_parent"
android:layout_height
="match_parent"
android:orientation
="vertical"
>
<
Button
android:id
="@+id/btn1"
android:layout_width
="wrap_content"
android:layout_height
="wrap_content"
android:text
="按Action值1启动目标Activity"
/>
<
Button
android:id
="@+id/btn2"
android:layout_width
="wrap_content"
android:layout_height
="wrap_content"
android:text
="按Action值2启动目标Activity"
/>
</
LinearLayout
>
mainactivity.java
package
com.sxt.day04_07_twoaction;
import
android.os.Bundle;
import
android.app.Activity;
import
android.content.Intent;
import
android.view.Menu;
import
android.view.View;
import
android.view.View.OnClickListener;
public
class MainActivity extends Activity implements OnClickListener{
@Override
protectedvoid onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
setListener();
}
privatevoid setListener() {
findViewById(R.id.btn1).setOnClickListener(this);
findViewById(R.id.btn2).setOnClickListener(this);
}
@Override
publicvoid onClick(View v) {
Intent intent=new Intent();
switch (v.getId()) {
case R.id.btn1:
intent.setAction("com.sxt.day04_07_twoaction.SecondActivity");
break;
case R.id.btn2:
intent.setAction("com.sxt.day04_07_twoaction.SecondActivity2");
break;
}
startActivity(intent);
}
}
第二个.xml
<
RelativeLayout
xmlns:android
="http://schemas.android.com/apk/res/android"
xmlns:tools
="http://schemas.android.com/tools"
android:layout_width
="match_parent"
android:layout_height
="match_parent"
android:paddingBottom
="@dimen/activity_vertical_margin"
android:paddingLeft
="@dimen/activity_horizontal_margin"
android:paddingRight
="@dimen/activity_horizontal_margin"
android:paddingTop
="@dimen/activity_vertical_margin"
tools:context
=".SecondActivity"
>
<
TextView
android:layout_width
="wrap_content"
android:layout_height
="wrap_content"
android:text
="@string/hello_world"
/>
</
RelativeLayout
>
第二个.java
package
com.sxt.day04_07_twoaction;
import
android.os.Bundle;
import
android.app.Activity;
import
android.util.Log;
import
android.view.Menu;
public
class SecondActivity extends Activity {
@Override
protectedvoid onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_second);
Log.i("main","SecondActivity");
}
}
系统描述文件：
<?
xml version="1.0" encoding="utf-8"
?>
<
manifest
xmlns:android
="http://schemas.android.com/apk/res/android"
package
="com.sxt.day04_07_twoaction"
android:versionCode
="1"
android:versionName
="1.0"
>
<
uses-sdk
android:minSdkVersion
="8"
android:targetSdkVersion
="18"
/>
<
application
android:allowBackup
="true"
android:icon
="@drawable/ic_launcher"
android:label
="@string/app_name"
android:theme
="@style/AppTheme"
>
<
activity
android:name
="com.sxt.day04_07_twoaction.MainActivity"
android:label
="@string/app_name"
>
<
intent-filter
>
<
action
android:name
="android.intent.action.MAIN"
/>
<
category
android:name
="android.intent.category.LAUNCHER"
/>
</
intent-filter
>
</
activity
>
<
activity
android:name
="com.sxt.day04_07_twoaction.SecondActivity"
android:label
="@string/title_activity_second"
>
<
intent-filter
>
给SecondActivity设置intent-filter
<
action
android:name
="com.sxt.day04_07_twoaction.SecondActivity"
/>
com.sxt.day04_07_twoaction.SecondActivity可以随便写
<
action
android:name
="com.sxt.day04_07_twoaction.SecondActivity2"
/>
<
category
android:name
="android.intent.category.DEFAULT"
/>
</
intent-filter
>
</
activity
>
</
application
>
</
manifest
>
原文：http://www.cnblogs.com/yaowen/p/4886809.html
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