important points

• A piece has its own design and behavior and callbacks of its own life cycle.
• When an activity is running, you can add or remove components.
• You can combine several pieces into a single activity to create a multi-level user interface.
• The piece can be used in several activities.
• The life cycle of a piece is close to the life cycle of its host activity, ie when the activity stops, all the parts in it also stop.
• A component can perform behavior that has no user interface components.
• Parts in the Honeycomb version of Android, which has the API version 11, have been added to the Android API.

You create fragments by expanding the Fragment class, and you can insert a fragment into your activity pagination by declaring the fragment in the activity pagination file as a <fragment> element.

Before introducing the piece, we had a limit because we could only display a single activity on the screen at a given time.

 So we could not split the device screen and control the different parts separately. 

But with the introduction of the piece, we gained more flexibility and removed the restriction of having a single activity on the screen at the same time. We can now have a single activity, but each activity can consist of several pieces that have their own layout, events, and life cycle.

The following example shows how the two UI modules are combined by the parts to design the tablet, but these parts must be separated to design the phone.

The program can play two pieces in activity A when running on a tablet-sized device. However, on a screen the size of a phone, there is not enough space for both sections, so activity A contains a snippet that contains the list of articles, and activity B starts when the user selects an article. Which includes the second part for reading the article.

The life cycle of the piece

The life cycle of Android components is very similar to the life cycle of Android activity. This section summarizes the various stages of its life cycle.

Here is a list of methods you can use to skip your piece class –

• onAttach () The  sample instance is accompanied by an activity sample. Normally this method is called when the snippet is added to the activity.
• onCreate () The  system invokes this method when creating a fragment. You must initialize the basic components of the part you want to keep when pausing or stopping, and then resume.
• onCreateView () The  system invokes this callback when the component first draws its user interface. To draw the UI for your piece, you must return a View component from this method that is the root of your piece design. If the piece does not provide a UI, you can return null.

• onActivityCreated ()  When the host activity is created, onActivityCreated () is called after the onCreateView () method. Activity and sample samples as well as activity observation hierarchy are created. In this step, you can access the view with the findViewById () method. Example. In this method you can specify objects that need a context object.

• onStart () The onStart () method is called after the component is visible.
• onResume () The  snippet is enabled.
• onPause () The system uses this method as the first indication that the user is leaving the component.
• onstop () stops  by calling the piece onStop.
• onDestroyView ()  The snippet view disappears after this method is called.
• onDestroy () is called at the end of the life of this method.

How to use parts?

The simple steps of creating parts are given below.

• First of all, decide how many pieces you want to use in an activity. For example, we want to use two pieces to manage the horizontal and vertical modes of the device.
• Then create classes that extend the Fragment class based on the number of pieces. The Fragment class has the callback functions mentioned above. You can override any of the functions according to your needs.
• Depending on each piece, you need to create pagination files in the XML file. These files have pagination for defined parts.
• Finally, modify the activity file to define the logic of the replaced parts according to your needs.

Types of parts

Basically, the parts are divided into three classes, which are shown below.

• Single frame fragments – Single frame fragments are used for handheld devices such as mobile phones, here we can only display one piece as a view.
• List fragments – Parts with a special list view are called list fragments.
• Fragments transaction – Using a piece transaction, we can move a piece to another piece.

In this article, we will teach you how to change the Persian font of Xiaomi phones without the need for any additional software.

Android Phones Fortunately, today, with the help of cloud storage and various backup tools, one can easily backup data. Here are some of the different ways to back up data to Android phones.

Backup using Google Account

As almost all Android phones use Google’s mobile platform, your device automatically saves most vital information such as audience numbers, etc. on its cloud servers. But it’s best to make sure that the information on your phone and the information stored by Google is consistent with Google Account Sync status.

Google Account Sync

To do so, go to the Accounts section of the phone’s Settings section and select Google . Selecting this option will show a list of backed up items, including contacts, email, calendars, etc., and will show below each item the time and date of the last sync.

If some items have not been synced recently, you can sync them by selecting Sync Now. Note that based on the Android version and shell of your phone, the Sync Now option may be in different menus.

Backup your files with the Backup and Reset feature

In addition to backing up contacts, calendars, and more, Google also backs up files on your phone as Backup and Reset features for Android users. This feature stores information on the phone, including files and some settings and app data, on Google’s cloud servers for later retrieval. Also, in the Pixel family phones, in addition to the files and settings, you can also back up your SMS.

One of the benefits of this method is the automatic backup which makes it very easy. Of course, Google only provides one backup per device, and the amount of data stored cannot exceed 5 GB.

To use this feature, look for the Backup and Reset option in the Settings section. On the page for this feature, you will find two options: Backup my data and Automatic Restore. This option requires both options to be enabled; if not, enable them.

Also check the Backup Account option and make sure you select the Google account you want.

Save images using Google Photos

The Photos service provides users with cloud storage of images in the form of an Android app as well as over the web. If this app is not installed by default on your phone, you can install it on your device from this link . The app automatically saves images to Google’s cloud servers.

Of course, to make sure all images are stored on Google’s servers, you can run the Photos app on your Android phone and check if a cloud image appears. If you have previously turned off cloud backup in Photos app, from the side menu select Settings. Then go to the “Backup and sync” section and make sure the Back up and sync option is enabled.

Manually back up

If you do not want to use cloud backup, you can manually back up information such as your files and audience information.

Backup images and other files

To back up files, you can attach a flash memory to your phone and save the desired files to it. Instead of connecting flash memory to your phone, you can connect your Android device to a computer via USB cable and save files to your computer. Which folders to back up depends on your needs, but here are some common ones:

• Images recorded by the camera are stored in the DCIM folder.
• WhatsApp app images and videos are stored in the Media folder inside the WhatsApp folder.
• WhatsApp local backups are stored in the Backups folder under the WhatsApp folder.
• Images saved from Telegram , Twitter and Reddit apps are typically stored in folders named after those Pictures under the Pictures folder.
• Screenshots of a phone screen are usually stored in a folder called Screenshots. This folder may be inside the DCIM folder.
• Files downloaded by the Android Download Manager application and browsers like Firefox are stored in the Downloads folder.
• Most informal Android markets, such as ApkPure, store APK files in folders that you can back up.
• Other apps may also have folders in your phone’s memory that you might want to check.

Backup contact information

Most contacts management applications provide a way to export your contacts from the list and re-import them. Simply find the Export option in the Contacts app, in the main menu, or in the Settings section, and then extract an output from the contacts list.

You need to save this file to the flash drive or to your computer. Then with the Import option you can return the information stored in this file to the contact list. Below is a screenshot of the Import and Export options in MIUI, EMUI, OxygenOS and Android One.

Sample Output Copy and Importing Audience Pages (top EMUI right; top left MIUI; bottom right OxygenOS; bottom left Android One)

Backup with other apps

Backup with dr.fone app

The dr.fone app offers a variety of features including data transfer and retrieval, data cleanup, etc., but we focus on the backup feature. An advantage of backing up with this app is the ability to preview saved files. This feature allows you to retrieve only a specific piece of backed up information. The Windows version of this app is available from this link . Use this link to get a copy of Macs.

After installing the program, connect your Android device to your computer and run the dr.fone application on your computer. When done, click Backup & Restore. At this time you need to enable Debugging feature on your Android device.

Dr.fone app homepage

To do so in the Settings section, select About Phone. In this section, find the Build Number option and tap it seven times to activate the Developer Options section on your phone. Now in the Phone Settings section, search for and select Developer Options. In the next section, find the USB Debugging option and select the check box.

Enable USB Debuggging feature

On the Backup and Restore feature page in the dr.fone app, we come across two options: Backup and Restore. Choose Backup from these two options. On the next page, you can back up different items such as messages, call history, gallery, apps, and more. You can also choose to save files in the Backup Path section. Finally, click the Backup key to start the backup.

To retrieve the data, simply connect the phone to your computer and select the Backup and Restore feature in the dr.fone app. Then, by selecting the Restore option, you can retrieve the desired data.

Backup with G Cloud Backup app

The G Cloud Backup app allows you to back up data on your phone to Google servers. Get the app from the Google Apps Store first and then create a new account.

Next, select the data you want to back up. Here you can select options such as contact list, SMS, images, and more. By selecting the Backup option, the backup process begins.

To restore the data, just select Restore in the same application and retrieve the desired data. Keep in mind, however, that this app only allows you to back up data up to 1 GB, and you’ll have to pay for more data storage.

Given the growing concern about the continuing spread of the Corona virus, this article has attempted to teach you how to properly clean your smartphone with home appliances only.

Here are some ways to increase the speed and accuracy of an ultrasonic fingerprint sensor on a Galaxy S20 series smartphone.

No matter how long it can support your consumption needs, you will definitely face this problem someday. Note that the iPhone’s battery life is usually between 4-5 years and may vary slightly or less depending on the user.

There are various situations that you may encounter and the symptoms of battery needs are changing.

Status 1: Battery life is much shorter than before and you’re tired of charging your iPhone. You have to do this: Charge your battery to its full capacity and consider the length of time it takes for the battery to decrease. Compare this time with the specifications in your iPhone manual. If there is a big difference, your iPhone’s battery is defective and you need to replace it timely.

Status 1: Your iPhone turns off without a warning or has a problem turning on. This can also happen due to the contaminated connection chip, so you can remove the battery and clean the gold connection chip with a cotton sponge or soft cloth dipped in isopropyl alcohol. Place yourself. Of course, if you don’t know how to do this, go to your mobile repair shop and get help. If you haven’t resolved your problem after using this method, it’s time to get a new battery.

Use battery programs

• Download this free app from here!

To check your iPhone’s battery health, there are limited apps in the App Store. There is a program that is completely simple, free and available, giving you everything you need to know about battery life and life.

If your battery is good enough,

tap the menu icon in the upper left corner of the app and tap “Raw Data” for more in-depth information about the battery.

This option can show the current battery capacity. mobile phone

And it can do a much closer look at your current battery charge than it does in the status bar. For further research, it can also mention your battery voltage while the voltage difference between you and us may be very low, abnormal deviations may cause concern and lead to warranty claims.

There’s an option to see how long your battery will last in a variety of situations,

whether during 4G talk or 4G browsing, Wi-Fi, LTE, video or more. The ability to check the expected length of time between charging the iPhone 2 times can help you better assess how your iPhone is used when you’re out of power. mobile phone

battery  Smartphone companies like Apple, Samsung and LG aren’t too worried about charging your phone overnight because they believe their new phones have systems that protect your phone from overcharging.

I do not like bad news, but you may shorten the life of your phone with particularly charging habits; especially if you often charge it during the night or do not unplug it for up to 5% for consecutive hours. . In fact, it would speed up the process of aging your smartphone’s lithium-ion batteries.

Briefly

In short, almost all phones and batteries that have been built in the last 5 years have optimal battery protection and protection systems. If you just bought a new phone or just bought a battery, it makes no difference to charge it for a few hours at first, and in fact it doesn’t make any difference to the charging method and has no effect on calibration or battery life. Be sure of this!

Detailed explanation

In fact, when lithium-ion battery life expires, the chemistry inside it loses its ability to store power and transfer it to your device. Of course, all lithium-ion batteries are worn out and their lifespan is limited. No matter what you do, your phone’s battery life / capacity will be lost. But you can slow down the process of exhaustion.

The companies that make mobile phones don’t seem to have much to worry about

I asked smartphone companies what they thought about charging phones overnight and keeping them at 4% for late hours. Most of them have guided me to web pages containing information on their respective smartphone batteries.

In short, the company that made your smartphone does not seem to think overnight charging is a cause for concern.

Apple suggests charging at night on one of its notification pages, but that’s not to say it’s not good.

Google says worries over charging mobile phone is ‘out of date’

“In general, the notion that ‘charging is too bad’ or ‘charging too often’ is bad given the company’s current optimization and charging technologies,” said Ronald Ho, project manager at Google, told Business Insider. The devices used in their devices are out of reach. ”

“When the phone’s battery reaches 5%, the built-in phone battery charger actually stops charging to prevent it from charging,” Hu said. Phone batteries only use the charger when they reach a certain level below.

But Schulte and most smartphone makers agree:

When you keep a smartphone you’re not going to use, you have to keep the battery charged within a certain range – and that’s a hint that the battery Smartphones don’t like to stay 2%.

Schultz stated that lithium-ion batteries had the slowest decay rate of about 2 to 5 percent. And that’s part of the range that most smartphone makers suggest charging your phone’s battery when you want to keep it unused for a while.

Samsung has stated on its battery screen that you should keep your battery charge “at least 1.5”. Apple Says iPhone If You Keep It “Partially Charged” for a Long Time This Helps Increase Battery Life ”

At the end of the day, lithium-ion batteries do not like to be ۱۰۰۱۰۰ long, at least for long periods.

But no one recommends that you always keep your smartphone at between 2 and 4 percent.

This is not out of the question for the device that most of us are on all day, especially when we often need it to last a long time between charging times.

The main thing is not to keep your phone’s battery charged for extra . Instead, Schultz has said, “It’s great to charge the phone in the morning or anytime, but don’t keep the phone up at 8pm.”

All of this can lead to how many times you buy a new phone.

It’s hard to say how fast charging at night speeds up the process of lithium-ion battery depletion in our smartphones. If you buy a new phone every year, or maybe even every two years, it may not have significant effects.

But if you usually buy a new phone because your current phone goes off too soon – and it’s not old – you may want to reassess how your phone is charging. Charging at night may not take a long time, but it can keep your smartphone longer. If you charge at night and plan to keep your phone for several years, it may be time to cancel this behavior.

But remember, all lithium-ion batteries go away. You can be the most cautious phone charger in the world and your phone’s battery life will be reduced, albeit slower.

There are two other things that almost everyone agrees with on smartphone batteries. First, unplug your smartphone before fully charging it before charging it again. And always avoid extreme temperatures as much as possible.

But in the end,

smartphone batteries are going to be used, so don’t worry too much. In general, do not stress. It’s great if you can do it in the morning instead of charging your phone overnight. You can find out if changing your charging habits can have a positive effect on your phone’s battery life. And if you don’t, you’ll have no problem.

Perhaps the best thing to know is that many phone makers allow you to replace your battery for a fraction of the price of a new mode

To further protect privacy, Google plans to review apps that need users’ location in the background before publishing to Google Play.