1.无参数的跳转
先在layout下建立一个factivity.xml,在里面添加2个Button按钮和一个TextView,并添加属性
,
然后建立以个sactivity.xml文件,
在src下建立FActivity,SActivity, 然后在manifest,中分别添加
<activity
android:name="com.example.demo15.FActivity"
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.demo15.SActivity"
android:label="@string/app_name" >
</activity>
这里是先启动FActivity。
分别给factivity,sactivity中的按钮添加实例化并添加监听事件,
bt4.setOnClickListener(new OnClickListener() {
public void onClick(View view) {
// TODO Auto-generated method stub
Intent intent = new Intent(mContext, SActivity.class);
startActivity(intent);
}
});
bt3.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
// TODO Auto-generated method stub
Intent intent = new Intent(mContext, SActivity.class);
startActivityForResult(intent, 1);
}
});
}
有参数传回的在SActivity
bt1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View view) {
// TODO Auto-generated method stub
Intent data = new Intent();
data.putExtra("data", content);
setResult(2, data);
// 结束当前页面
finish();
}
});
}
然后在FActivity中添加
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
// TODO Auto-generated method stub
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == 1 && resultCode == 2) { //这里要注意的是一个是requestCode 一个是resultCode作判断
String content = data.getStringExtra("data");
tv.setText(content);
}
}
ListView里的跳转
protected void onListItemClick(ListView l, View v, int position, long id) { Intent intent = null; switch (position) { case 0: intent = new Intent(this, Progress_Activity.class); break; case 1: intent = new Intent(this, OpenLoadingActivity.class); break; case 2: intent = new Intent(this, RocketActivity.class); break; case 3: intent = new Intent(this, FlowerActivity.class); break; case 4: intent = new Intent(this, TrendActivity.class); break; } startActivity(intent);
<!-- manifest中对应的-->
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.lqm.animation" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="15" android:targetSdkVersion="18" /> <application android:allowBackup="true" android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:largeHeap="true" android:theme="@style/AppTheme" > <activity android:name="com.example.lqm.animation.CategoryListActivity" 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=".Progress_Activity"></activity> <activity android:name=".RocketActivity"></activity> <activity android:name=".FlowerActivity"></activity> <activity android:name=".TrendActivity"></activity> <activity android:name=".OpenLoadingActivity"></activity> </application> </manifest>