1,在activity_main.xml中添加一个按钮
内容:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/container_1"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.activity_tiaozhuan.MainActivity"
tools:ignore="MergeRootFrame" >
<Button
android:id="@+id/bt_activity"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:text="跳转" />
</RelativeLayout>
2,新建一个跳转的目标页面的xml文件:activity_second.xml,并且添加一个TextView
内容:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/container_2"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.activity_tiaozhuan.MainActivity"
tools:ignore="MergeRootFrame" >
<TextView
android:id="@+id/tv_activity"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:text="第二个activity"
android:textColor="#ff0000" />
</RelativeLayout>
3,新建一个SecondActivity.java,把MainActivity里的内容复制过去,改下这行内容:
setContentView(R.layout.activity_second);
内容:
package com.example.activity_tiaozhuan;
import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
public class SecondActivity extends ActionBarActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_second);
}
}
4,在MainActivity里实现页面跳转
内容:
package com.example.activity_tiaozhuan; //包名视具体情况自行改动
import android.support.v7.app.ActionBarActivity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
public class MainActivity extends ActionBarActivity implements OnClickListener {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button bt = (Button) findViewById(R.id.bt_activity); //查找到按钮bt_activity
bt.setOnClickListener(this); //给按钮注册点击事件
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.bt_activity:
method(); //按钮是R.id.bt_activity时,调用method()方法来实现点击的具体意图
break;
}
}
private void method() {
Intent intent = new Intent(this,SecondActivity.class); //定义一个跳转到SecondActivity的意图
startActivity(intent); //启动意图intent
}
}
5,在AndroidMainfest.xml中注册SecondActivity,添加:
<activity
android:name="com.example.activity_tiaozhuan.SecondActivity" ></activity>
内容:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.activity_tiaozhuan"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="19" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.activity_tiaozhuan.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.example.activity_tiaozhuan.SecondActivity" ></activity>
</application>
</manifest>
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