Android:theme= "@android: Style/theme.dialog"//activity displayed as dialog box mode
Android:theme= "@android: Style/theme.notitlebar"//Do not display the application title bar
Android:theme= "@android: Style/theme.notitlebar.fullscreen"//Do not display the application title bar and full screen
Android:theme= "The
Start Page Use this as a background imageThere is also a picture copyright.pngAll right, let's do it now.Start, black screen white screen change this picture look, haha ~Launcheractivity interface installed after start-upAdjust to Mainactivity interfaceIn this way, originally wanted to give GIF animation, with the film Down, AO ao do not know how to send to the computer whining ~ ~ ~ later know can be sent
Start b.apk with a.apk, and B's icon is not visible on the phone's main screen.First, a new A, B two Android project (new HelloWorld project similar), in a project to increase the Click event (Launch button to launch the B app).Second, in the B application To modify the B manifest. xml XML version= "1.0" encoding= "Utf-8"?>Manifestxmlns:android= "Http://schemas.android.com/apk/res/
Generally, the Android app has a welcome interface when it is started, similar to the QQHD startup interface. Elegant and elegant. The heart is not as good as action, and you have time to achieve similar effects.It is easy to observe and find that the welcome page of QQHD is full screen. The following describes how an Android
authorization process;-- recording screen : On the right side of any interface with suspended Windows, click on the Suspended window, will pop up the recording menu;2. Export the converted recorded videovideo conversion software download : http://www.jz5u.com/Soft/media/Conve1/45923.htmlExport converted video :-- Video location : SD card path/paimaster/video;-- Convert video : Open software, import Video, set GIF start and end points, click to export
Customize a pretty practical lock screen app, if you can win the user's approval, replace the system with the lock screen, is definitely a small day live entrance. This time is just a summary of the difficulties in the recent research on the Android platform's lock-screen
resulting properties of these windows are shown in effect four. However, by -webkit-device-pixel-ratio adding some custom CSS with the media attribute, you can apply different styles. For example, the Web page shown in Figure 5 is a high-pixel image that is raised on a high-pixel device by setting the window properties and adding CSS.Targeting Device Density with JavaScriptAndroid browsing and WebView support a DOM property that allows querying the current device density-------window.devicepixe
The Android APP simply and efficiently disables horizontal and vertical screen switching and androidapp
By default, the Android APP interface changes with the mobile phone direction. When the mobile phone is in the portrait screen
Android operating system for In addition, if the user wants to add an app shortcut to the device's home screen, you can press and hold the app's icon in launcher, and the Android system will automatically add a shortcut to the app on the home
By default, Android app's interface will change with the direction of the phone, when the phone is in the vertical state, the app's interface is also in the vertical state, and when the phone is in a horizontal screen, the app will automatically switch to the horizontal screen state. In general, the
The previous section describes the basic usage of multi-screen sliding and issues with tabs. Throughout the sliding screen experience of the App, there are three tabs: one is that each View corresponds to a small circle, and the color of the small circle corresponding to the current View is different from the other. However, all View labels are visible at the sam
Android: cartoon APP development notes: Scaling pictures in ListView by screen width
1. listview
Where,
android:divider="#00000000"Set the interval color of the list items to transparent,
android:listSelector="#00000000"Set no background color when you click an image (transparent color, no system background color)
Ii. piclist_item
I
, dimension Qualifier, screen orientation qualifier, moving stretched bitmap (. 9) )
supports various screen densities
Using non-density-restricted pixels (DP)
provide alternate bitmap (. 9 figure)
Implement an adaptive user interface process
Determining the current layout
Respond to current layout
Reusing clips from other acti
backgroundAndroid:theme= "Theme.Wallpaper.NoTitleBar"//using the system desktop as the application background with no title barAndroid:theme= "Theme.Wallpaper.NoTitleBar.Fullscreen"//Use System desktop for application background, no title bar, fullscreenAndroid:theme= "theme.translucent"//Transparent BackgroundAndroid:theme= "Theme.Translucent.NoTitleBar"//Transparent background with no captionAndroid:theme= "Theme.Translucent.NoTitleBar.Fullscreen"//Transparent background with no caption, full
Instructions for use***************************************************Android APP launches black screen optimization patchSwish, Yangyxd 2016.01.16version:1.0.0QDAC Official group: 250530692***************************************************"Installation Method"Double-click Setup.bat to install the patch file (backup will be done during installation)Double-click
Different Layouts
To improve user experience on screens of different devices, you should create a unique XML layout file for each screen size you want to support. Each layout file should be stored in the appropriate Resource Directory, which uses the screen size-as the suffix. For example, a layout file for large screens should be placed under the res/layout-large/directory.
Note:Android automatically scal
; The load.xml is a style expression that initiates activity, whereandroid:background= "@drawable/load"//Set Load.png picture as background mapLoadactivity.java Packagecom.example.dnfscripts;Importandroid.app.Activity;Importandroid.content.Intent;ImportAndroid.graphics.PixelFormat;ImportAndroid.os.Bundle;ImportAndroid.os.Handler;ImportAndroid.view.ContextMenu;ImportAndroid.view.ContextMenu.ContextMenuInfo;ImportAndroid.view.View;ImportAndroid.view.Window;ImportAndroid.view.WindowManager; Public
Reprint Please specify source: http://blog.csdn.net/l1028386804/article/details/47303575In the settings feature of the Android system, when you go to the app list, clicking on the list entry will go to the app's details screen. So can we write our own application to implement the details interface of the activation application? This is achievable, so let's take a
It is believed that most people start with a white or black screen before starting the app and then entering the first interface, for example: Splashactivity. Then what is the cause of it?
The reason is that we have to change the theme of activity/application set cause, because the theme of the corresponding Windowbackground and other backgrounds are set to white or black, And when we enter th
ProblemReact-native version 0.53.3React-native-splash-screen version 3.0.6When everything is properly configured, the following issues occur:Debug Error in Android Studio isandroid.content.res.Resources$NotFoundException: Resource ID #0x7f040038 type {这里是#什么的} is not validReasonReact-native-splash-screen versions 3.0.1 and 3.0.6 differThe differences are as follo
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