Summary of common Activity features in Android of includes full screen horizontal and vertical screen etc

This article illustrates the summary of common Activity features in Android (including full screen, vertical screen, etc.). To share for your reference, the details are as follows:

Activity full screen Settings

Method 1: AndroidManifest.xml

<activity android:name="myAcitivty"  android:theme="@android:style/Theme.NoTitleBar.Fullscreen" />

Approach 2: Code implementation

requestWindowFeature(Window.FEATURE_NO_TITLE);   //  Hide title bar 

getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);  //  Hidden status bar 

Note: The two sections of code used to set the full screen must precede setContentView(R.layout.main), otherwise an error will be reported.

Activity horizontal and vertical Settings

Method 1: ES25en. xml

<activity android:name="myAcitivty"  android:screenOrientation="landscape" />  //  or   " portrait " 

Approach 2: Code implementation

setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);

Gets the landscape direction

int orientation = this.getResources().getConfiguration().orientation;

Common values for orientation can be ES37en.SCREEN_ES39en_ES40en (landscape) or ActivityInfo.SCREEN_ES43en_ES44en (portrait)

Activity screen 1 straight display

1: AndroidManifest.xml add permissions

<uses-permission android:name="android.permission.WAKE_LOCK" />

2: Code implementation

getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

I hope this article has been helpful for Android programming.