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Author Topic: How to manage how Apps use Memory on an Android Tablet PC?  (Read 3688 times)

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Tablet PC Pro

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How to manage how Apps use Memory on an Android Tablet PC?
« on: August 07, 2012, 05:48:10 PM »
Manage how Apps use Memory on your tablet PC There are two kinds of memory in your tablet, RAM and internal storage.  RAM is a faster but temporary storage location which normally is cleared when the app ends, unless the app leaves some data cached for future use; Internal storage is permanent until deleted and stores any data, settings, files, etc. that apps require to operate.

In addition to internal storage, a tablet can also have external storage in the form of an SD memory card inserted into an on-board memory card slot.  These cards and store an additional 32GB or more of data.  Most apps do not use external storage while running, however, some will access the external storage to save or retrieve files.

How much RAM and Internal storage does your tablet have?  That can be found in the specifications of your tablet.  For instance a Motorola Xoom has 1GB RAM, and either 16GB or 32GB of internal storage.

Under normal conditions, you do not need to do anything to manage the memory for apps after they are installed. The Android operating system manages how they use memory and other resources automatically. Sometimes, however, you may need to know how an app is using the memory in your tablet.

All tablets have internal storage. The operating system manages and safeguards the files in internal storage where the system files and apps are located.  When you connect your tablet to a PC via USB, you cannot see this safeguarded area, unless you have rooted the device.  The other section of internal storage is freely accessible so you can manage your own files such as photos, MP3, contacts, email, etc.

The operating system also manages how apps use your tablet’s RAM. It only allows apps and their component processes and services to use RAM when they need it. It may cache processes that you’ve been using recently in RAM, so they restart more quickly when you open them again, but it will erase the cache if it needs the RAM for new activities.


Open the Manage Applications screen
  • Open the Settings app and touch Applications > Manage applications.
  • The Manage Applications screen has three tabs, with lists of apps and their components in each. At the bottom of each tab is a graph of the memory used by the items in the list and amount of free memory.
    • Touch an app, process, or service in a list to open a screen with details about it and, depending on the item, to change its settings, stop it, uninstall it, and so on.
    • Touch the Downloaded tab to view the apps you’ve downloaded on Google Play or other sources.
    • Touch the All tab to view all the apps installed on your tablet. The list includes apps that are bundled with your release of Android and apps you downloaded on Google Play or other sources.
    • Touch the Running tab to view the apps and their processes and services that are running or cached.
    • When viewing the Downloaded or All tab, touch the By Size icon or the Alphabetical icon to switch the order of the list.

Get details about an app
  • Open the Manage Applications screen.
  • Touch an app, process, or service. You can also open the Application Info screen from Home’s Apps screen, by touching & holding an app and then dragging it to the Info icon.
    The Application Info screen for each app lists its name and version, along with details about the app. Depending on the app and where it came from, it may also include buttons for managing the app’s data, forcing the app to stop, and uninstalling the app. It also lists details about the kinds of information about your tablet and data that the app has access to.

DIfferent kinds of apps have different kinds of information and controls, but commonly include:

Use the Force stop button to stop an app that is misbehaving.

If you installed the app on Google Play or another source, you can use the Uninstall button to remove the app and all of its data and settings from the tablet. See Google Play and Uninstall an app for more information about uninstalling and reinstalling apps.

Storage: Gives details about the amount of tablet storage that an app uses.

You can delete an app’s settings and other data by touching the Clear data button.

Cache: If the app stores data in a temporary area of the tablet's memory, lists how much information is stored, and includes a button for clearing it.

Launch by default: If you have configured an app to launch certain file types by default, you can clear that setting here.

Permissions: Lists the kinds of information about your tablet and data the app has access to.

Stop a misbehaving app

You can monitor how much RAM running apps and cached processes are using and if necessary, stop them.
  • Open the Manage Applications screen.
  • Touch the Running tab.
  • At the top-right of the screen, touch Show cached processes or Show running services to switch back and forth.
  • The Running tab shows the apps, processes, and services that are currently running or that have cached processes and how much RAM they are using. The graph at the bottom of the screen shows the total RAM in use and the amount free.
You can touch a misbehaving app, process, or service and in the screen that opens touch the Stop button. You can also touch the Report button, to send the developer information about how the app misbehaved on your tablet.

Uninstall an app

You can uninstall apps you downloaded on Google Play and other sources. (You can also use Google Play to uninstall apps you downloaded from there; see Managing downloads)
  • Open the Manage Applications screen.
  • Touch the Downloads tab.
  • Touch the app you want to uninstall.
  • Touch the Uninstall button.
  • Touch OK in the screen that asks you to confirm you want to uninstall the app.
« Last Edit: July 24, 2013, 05:40:01 PM by Tablet PC Pro »
Tablet PC Pro

 

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