//简单的两个activity之间的跳转（不传递返回任何数据），由button触发，用手机调试时，只能打开EasyA2AActivity界面，但是按了按钮后就跳出“程序意外终止”
//EasyA2AActivity
public class EasyA2AActivity extends Activity {
Button bntjump;
TextView out;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
out=(TextView)this.findViewById(R.id.view);
bntjump=(Button)this.findViewById(R.id.jump);
out.setText("Fist_Activity");
bntjump.setOnClickListener(new OnClickListener()
{
public void onClick(View v) {
callactivity();
}
});
}
void callactivity()
{
Intent i=new Intent(this,Second.class);
startActivity(i);
}
}
//Second
public class Second extends Activity {
Button bntfinsh;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.second);
//this.setTitle("Second_Activity");
bntfinsh.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
finish();
}
});
}
}
//main.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/view"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello" />
<Button
android:id="@+id/jump"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="跳转" />
</LinearLayout>
//second.xml
<?xml version="1.0" encoding="utf-8"?>
<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/finsh"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="结束" />
</LinearLayout>
//AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="your.A2A.xiaoyin"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk android:minSdkVersion="8" />
<application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
<activity
android:label="@string/app_name"
android:name=".EasyA2AActivity" >
<intent-filter >
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />