Android horizontal and vertical screen switching summary

<activity
android:name=""
android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|uiMode|screenSize|smallestScreenSize"
android:theme="@android:style/" />
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:andro
package=".yl7" >
<!-- Include required permissions for Google Mobile Ads to run. -->
<uses-permission android:name="" />
<uses-permission android:name=".ACCESS_NETWORK_STATE" />
<uses-permission android:name=".CHANGE_CONFIGURATION"/>
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<!-- This meta-data tag is required to use Google Play Services. -->
<meta-data
android:name=""
android:value="@integer/google_play_services_version" />
<activity
android:name=".MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="" />
<category android:name="" />
</intent-filter>
</activity> <!-- Include the AdActivity configChanges and theme. -->
<activity
android:name=""
android:configChanges="keyboard|keyboardHidden|orientation|screenLayout|uiMode|screenSize|smallestScreenSize"
android:theme="@android:style/" />
</application>
</manifest>

<RelativeLayout
xmlns:andro
xmlns:tools="/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
>
<Button
android:
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Get Configuration Information"
android:textSize="25sp"
android:layout_marginTop="80dip"
android:layout_centerHorizontal="true"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Test ConfigurationChange"
android:textSize="25sp"
android:layout_centerInParent="true"
android: />
</RelativeLayout>

package .yl7;
import ;
import ;
import .;
import ;
import ;
import ;
import ;
import ;
import ;
import ;
public class MainActivity extends AppCompatActivity {
private Button mButton;
private TextView pTextView;
@Override
protected void onCreate(Bundle savedInstanceState) {
(savedInstanceState);
setContentView(.activity_main);
pTextView=(TextView)();
("---> onCreate()");
init();
}
private void init() {
mButton = (Button) findViewById();
(new ClickListenerImpl());
}
private class ClickListenerImpl implements OnClickListener {
@Override
public void onClick(View v) {
getConfigurationInfo();
}
}
private void getConfigurationInfo() {
Configuration configuration = getResources().getConfiguration();
//Get the screen directionint l = configuration.ORIENTATION_LANDSCAPE;
int p = configuration.ORIENTATION_PORTRAIT;
if ( == l) {
("Now it's horizontal screen====");
("Now it's horizontal screen");
}
if ( == p) {
("It's a vertical screen now===");
("Now it's a vertical screen");
}
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
(newConfig);
//Get the current screen status is horizontal or vertical//Configuration.ORIENTATION_PORTRAIT means vertical//Configuration.ORIENTATION_LANDSCAPE means horizontal screenif(==Configuration.ORIENTATION_PORTRAIT){
("Now it's a vertical screen");
(, "Now it's a vertical screen", Toast.LENGTH_SHORT).show();
}
if(==Configuration.ORIENTATION_LANDSCAPE){
("Now it's horizontal screen");
(, "Now it's horizontal screen", Toast.LENGTH_SHORT).show();
}
}

@Override
protected void onSaveInstanceState(Bundle outState) {
(outState);
("name", "zxx");
("id", 9527);
("---> onSaveInstanceState()");
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
(savedInstanceState);
String name = ("name");
int id = ("id");
("---> onRestoreInstanceState()");
("name=" + name + ",serial number=" + id);

}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in .
int id = ();
if (id == .action_settings) {
return true;
}
return (item);
}
}