Are you tired of less memory space and slow Phone? Here we bring you Best Phone cleaner apps Android/ iPhone 2021 which will clean your phone and remove cache and junk files. Thus these creates more space in your memory and also boost your device performance.
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Contents
1. Clean Master- Phone cleaner, Antivirus and Booster Android
This app is Best Phone cleaner app Android 2021 and it is an optimizing tool with feature of space cleaner and also works as antivirus. This application will keep your phone clean and safe from viruses and also provide you feature to hide and encrypt your private and allow you to secure your privacy. This application will clean all the junk files and free up storage by removing junk files, cache and residuals files which are making your phone slow. This application now also added WIFI security feature in order to detect fake and un authorized wifi connection. This app will boost your mobile speed and will also perform the task of battery saver and will extend battery life by hibernating running apps. It has many more features also.
2. iMyFone Umate iPhone
It is another best Phone cleaner app iPhone 2021 and will thoroughly clean junk and temporary files which are slowing your device. It compresses picture size and save up to 75% photo space and also clean messages, contacts, whatsapp or wechat data, cache, browsing history and many more.
3. iFreeUp iPhone
This app will clean useless files which are created by iOS apps and will free up space. It will also clean hidden files and will boost up your iPhone. This app will optimize your iPhone. It will diagnose your device and will remove unnecessary files briefly.
4. Cache Cleaner- DU Speed Booster Android
This application is small but powerful mobile cleaner app and will boost your device and keep your phone fast. This app can clean cache files and junk files and will boost your phone and will make your phone faster. This app is best cache cleaner, DU speed booster and cleaner and will keep your device always clean, safe and fast. This application also performs the role of antivirus and will take care of your device security. This app can also detect network status which includes download speed, wifi security, upload speed and will close background network occupying apps and thus allow you to access better network speed. It will also work as CPU cooler and will manage all your apps
5. Super Cleaner – Antivirus, Phone cleaner, Booster Android
This app is world class best Android cleaning app which will work as phone cleaner, junk cleaner, phone booster, App lock, CPU Cooler and ever perform the role of antivirus. This app will create space in your mobile by removing junk file, cache files and will boost your phone and will also work as game booster. This app will also protect your sensitive apps with extra password and will also analyse and manage your apps status. This app will also help you to silent useless notification and will keep your device clean, quiet and more efficient.
6. MAX Cleaner- Antivirus, Phone cleaner, Booster Android
This great app will speed up your device and will optimize your phone. This app has feature of phone cleaner, Virus cleaner and will also perform function of game boosting. It is also a good antivirus app. This app will cleaner cache file and will work as ram cleaner and will do virus scan and protect your device from viruses. This application will clean all the junk files and free up storage by removing junk files, cache and residuals files which are making your phone slow. It will also save your battery power.
7. Virus Cleaner, Cleaner, Antivirus ( MAX Security) Android
This app will clean your mobile device and will remove cache files, Junk files and will prove you the best Phone cleaner app. This app will work as phone cleaner, junk cleaner, phone booster, App lock, CPU Cooler and ever perform the role of antivirus. This app will create space in your mobile by removing junk file, cache files and will boost your phone and will also work as game booster. This app will also protect your sensitive apps with extra password and will also analyse and manage your apps status.
8. Super Speed Cleaner- Phone Cleaner and Virus cleaner Android
This app will efficiently optimize your device and will free up storage space by removing cache files and junk files and will speed up your device. It is professional phone cleaner app and will also boost your device and will act as CPU Cooler, battery saver and will also do work of Antivirus. This app will increase performance of your Android device with its powerful clean programme. It will deep scan your device and clean system for more storage space and will speed up your phone in single tap and protect your phone also.
9. Nox Cleaner- Clean Space, Fast master, Speed Booster Android
This application will immediately clean trash and free up your storage space. This app will intelligently move or uninstall useless apps easily and will keep your photos organised. This app also allocate duplicate picture of you and will also reduce oversized images without reducing quality. This app basically focuses on cleaning your device.
10. Android Cleaner- Phone booster and memory optimizer Android
It is best solution for slow and lagging android device. This app has feature of schedule cleaning of your device and will clean phone cache and junk files and will optimize RAM. This app will boost your device performance and it also offers you to do phone cleaning manually. It will also work as battery saver and game booster and will manage your file efficiently and will remove duplicate files. This app has many more features also.
Conclusion
So these are Best Phone cleaner apps Android/ iPhone 2021 which will clean your phone and remove cache and junk files. Hope you like this article. Please like and share and also tell us your opinion for above listed apps.
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Project files contain all the information required by qmake to build your application, library, or plugin. Generally, you use a series of declarations to specify the resources in the project, but support for simple programming constructs enables you to describe different build processes for different platforms and environments.
Project File Elements
The project file format used by qmake can be used to support both simple and fairly complex build systems. Simple project files use a straightforward declarative style, defining standard variables to indicate the source and header files that are used in the project. Complex projects may use control flow structures to fine-tune the build process.
The following sections describe the different types of elements used in project files.
Variables
In a project file, variables are used to hold lists of strings. In the simplest projects, these variables inform qmake about the configuration options to use, or supply filenames and paths to use in the build process.
qmake looks for certain variables in each project file, and it uses the contents of these to determine what it should write to a Makefile. For example, the lists of values in the HEADERS and SOURCES variables are used to tell qmake about header and source files in the same directory as the project file.
Variables can also be used internally to store temporary lists of values, and existing lists of values can be overwritten or extended with new values.
The following snippet illustrates how lists of values are assigned to variables:
The list of values in a variable is extended in the following way:
Note: The first assignment only includes values that are specified on the same line as the HEADERS
variable. The second assignment splits the values in the SOURCES
variable across lines by using a backslash ().
The CONFIG variable is another special variable that qmake uses when generating a Makefile. It is discussed in General Configuration. In the snippet above, console
is added to the list of existing values contained in CONFIG
.
The following table lists some frequently used variables and describes their contents. For a full list of variables and their descriptions, see Variables.
Variable | Contents |
---|---|
CONFIG | General project configuration options. |
DESTDIR | The directory in which the executable or binary file will be placed. |
FORMS | A list of UI files to be processed by the user interface compiler (uic). |
HEADERS | A list of filenames of header (.h) files used when building the project. |
QT | A list of Qt modules used in the project. |
RESOURCES | A list of resource (.qrc) files to be included in the final project. See the The Qt Resource System for more information about these files. |
SOURCES | A list of source code files to be used when building the project. |
TEMPLATE | The template to use for the project. This determines whether the output of the build process will be an application, a library, or a plugin. |
The contents of a variable can be read by prepending the variable name with $$
. This can be used to assign the contents of one variable to another:
The $$
operator is used extensively with built-in functions that operate on strings and lists of values. For more information, see qmake Language.
Whitespace
Usually, whitespace separates values in variable assignments. To specify values that contain spaces, you must enclose the values in double quotes:
The quoted text is treated as a single item in the list of values held by the variable. A similar approach is used to deal with paths that contain spaces, particularly when defining the INCLUDEPATH and LIBS variables for the Windows platform:
You can add comments to project files. Comments begin with the #
character and continue to the end of the same line. For example:
To include the #
character in variable assignments, it is necessary to use the contents of the built-in LITERAL_HASH variable.
Built-in Functions and Control Flow
qmake provides a number of built-in functions to enable the contents of variables to be processed. The most commonly used function in simple project files is the include() function which takes a filename as an argument. The contents of the given file are included in the project file at the place where the include
function is used. The include
function is most commonly used to include other project files:
Support for conditional structures is made available via scopes that behave like if
statements in programming languages:
The assignments inside the braces are only made if the condition is true. In this case, the win32
CONFIG option must be set. This happens automatically on Windows. The opening brace must stand on the same line as the condition.
More complex operations on variables that would usually require loops are provided by built-in functions such as find(), unique(), and count(). These functions, and many others are provided to manipulate strings and paths, support user input, and call external tools. For more information about using the functions, see qmake Language. For lists of all functions and their descriptions, see Replace Functions and Test Functions.
Project Templates
The TEMPLATE variable is used to define the type of project that will be built. If this is not declared in the project file, qmake assumes that an application should be built, and will generate an appropriate Makefile (or equivalent file) for the purpose.
The following table summarizes the types of projects available and describes the files that qmake will generate for each of them:
Template | qmake Output |
---|---|
app (default) | Makefile to build an application. |
lib | Makefile to build a library. |
aux | Makefile to build nothing. Use this if no compiler needs to be invoked to create the target, for instance because your project is written in an interpreted language. Note: This template type is only available for Makefile-based generators. In particular, it will not work with the vcxproj and Xcode generators. |
subdirs | Makefile containing rules for the subdirectories specified using the SUBDIRS variable. Each subdirectory must contain its own project file. |
vcapp | Visual Studio Project file to build an application. |
vclib | Visual Studio Project file to build a library. |
vcsubdirs | Visual Studio Solution file to build projects in sub-directories. |
See Building Common Project Types for advice on writing project files for projects that use the app
and lib
templates.
When the subdirs
template is used, qmake generates a Makefile to examine each specified subdirectory, process any project file it finds there, and run the platform's make
tool on the newly-created Makefile. The SUBDIRS
variable is used to contain a list of all the subdirectories to be processed.
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General Configuration
The CONFIG variable specifies the options and features that the project should be configured with.
The project can be built in release mode or debug mode, or both. If debug and release are both specified, the last one takes effect. If you specify the debug_and_release
option to build both the debug and release versions of a project, the Makefile that qmake generates includes a rule that builds both versions. This can be invoked in the following way:
Adding the build_all
option to the CONFIG
variable makes this rule the default when building the project.
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Note: Each of the options specified in the CONFIG
variable can also be used as a scope condition. You can test for the presence of certain configuration options by using the built-in CONFIG() function. For example, the following lines show the function as the condition in a scope to test whether only the opengl
option is in use:
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This enables different configurations to be defined for release
and debug
builds. For more information, see Using Scopes.
The following options define the type of project to be built.
Note: Some of these options only take effect when used on the relevant platform.
Option | Description |
---|---|
qt | The project is a Qt application and should link against the Qt library. You can use the QT variable to control any additional Qt modules that are required by your application. This value is added by default, but you can remove it to use qmake for a non-Qt project. |
x11 | The project is an X11 application or library. This value is not needed if the target uses Qt. |
The application and library project templates provide you with more specialized configuration options to fine tune the build process. The options are explained in detail in Building Common Project Types.
For example, if your application uses the Qt library and you want to build it in debug
mode, your project file will contain the following line:
Note: You must use '+=', not '=', or qmake will not be able to use Qt's configuration to determine the settings needed for your project.
Declaring Qt Libraries
If the CONFIG variable contains the qt
value, qmake's support for Qt applications is enabled. This makes it possible to fine-tune which of the Qt modules are used by your application. This is achieved with the QT variable which can be used to declare the required extension modules. For example, we can enable the XML and network modules in the following way:
Note: QT
includes the core
and gui
modules by default, so the above declaration adds the network and XML modules to this default list. The following assignment omits the default modules, and will lead to errors when the application's source code is being compiled:
If you want to build a project without the gui
module, you need to exclude it with the '-=' operator. By default, QT
contains both core
and gui
, so the following line will result in a minimal Qt project being built:
For a list of Qt modules that you can add to the QT
variable, see QT.
Configuration Features
qmake can be set up with extra configuration features that are specified in feature (.prf) files. These extra features often provide support for custom tools that are used during the build process. To add a feature to the build process, append the feature name (the stem of the feature filename) to the CONFIG
variable.
For example, qmake can configure the build process to take advantage of external libraries that are supported by pkg-config, such as the D-Bus and ogg libraries, with the following lines:
For more information about adding features, see Adding New Configuration Features.
Declaring Other Libraries
If you are using other libraries in your project in addition to those supplied with Qt, you need to specify them in your project file. Deckset 2 0 8 – simple presentation creator.
The paths that qmake searches for libraries and the specific libraries to link against can be added to the list of values in the LIBS variable. You can specify the paths to the libraries or use the Unix-style notation for specifying libraries and paths.
For example, the following lines show how a library can be specified:
The paths containing header files can also be specified in a similar way using the INCLUDEPATH variable.
For example, to add several paths to be searched for header files:
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