Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5ef44b75 authored by Kenny Root's avatar Kenny Root
Browse files

Add API for preferred Launcher icon size and density 

Applications that create an icon for launcher to use couldn't determine
which size or density the icon should be created.

Bug: 3224340
Change-Id: Iee96113a4092696a9bd18eecbd2593b38f952a16
parent 0f2e2b8b

api/current.xml

+22 −0
Original line number Diff line number Diff line
@@ -24777,6 +24777,28 @@ 
 visibility="public"

>

</method>

<method name="getLauncherLargeIconDensity"

 return="int"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

</method>

<method name="getLauncherLargeIconSize"

 return="int"

 abstract="false"

 native="false"

 synchronized="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

</method>

<method name="getMemoryClass"

 return="int"

 abstract="false"

core/java/android/app/ActivityManager.java

+65 −1
Original line number Diff line number Diff line
@@ -22,6 +22,8 @@ import android.content.Intent; 
import android.content.pm.ApplicationInfo;

import android.content.pm.ConfigurationInfo;

import android.content.pm.IPackageDataObserver;

import android.content.res.Configuration;

import android.content.res.Resources;

import android.graphics.Bitmap;

import android.os.Debug;

import android.os.RemoteException;
@@ -30,6 +32,8 @@ import android.os.Parcel; 
import android.os.Parcelable;

import android.os.SystemProperties;

import android.text.TextUtils;

import android.util.DisplayMetrics;



import java.util.List;



/**
@@ -1146,6 +1150,66 @@ public class ActivityManager { 
        return null;

    }



    /**

     * Get the preferred density of icons for the launcher. This is used when

     * custom drawables are created (e.g., for shortcuts).

     *

     * @return density in terms of DPI

     */

    public int getLauncherLargeIconDensity() {

        final Resources res = mContext.getResources();

        final int density = res.getDisplayMetrics().densityDpi;



        if ((res.getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK)

                != Configuration.SCREENLAYOUT_SIZE_XLARGE) {

            return density;

        }



        switch (density) {

            case DisplayMetrics.DENSITY_LOW:

                return DisplayMetrics.DENSITY_MEDIUM;

            case DisplayMetrics.DENSITY_MEDIUM:

                return DisplayMetrics.DENSITY_HIGH;

            case DisplayMetrics.DENSITY_HIGH:

                return DisplayMetrics.DENSITY_XHIGH;

            case DisplayMetrics.DENSITY_XHIGH:

                return DisplayMetrics.DENSITY_MEDIUM * 2;

            default:

                return density;

        }

    }



    /**

     * Get the preferred launcher icon size. This is used when custom drawables

     * are created (e.g., for shortcuts).

     *

     * @return dimensions of square icons in terms of pixels

     */

    public int getLauncherLargeIconSize() {

        final Resources res = mContext.getResources();

        final int size = res.getDimensionPixelSize(android.R.dimen.app_icon_size);



        if ((res.getConfiguration().screenLayout & Configuration.SCREENLAYOUT_SIZE_MASK)

                != Configuration.SCREENLAYOUT_SIZE_XLARGE) {

            return size;

        }



        final int density = res.getDisplayMetrics().densityDpi;



        switch (density) {

            case DisplayMetrics.DENSITY_LOW:

                return (size * DisplayMetrics.DENSITY_MEDIUM) / DisplayMetrics.DENSITY_LOW;

            case DisplayMetrics.DENSITY_MEDIUM:

                return (size * DisplayMetrics.DENSITY_HIGH) / DisplayMetrics.DENSITY_MEDIUM;

            case DisplayMetrics.DENSITY_HIGH:

                return (size * DisplayMetrics.DENSITY_XHIGH) / DisplayMetrics.DENSITY_HIGH;

            case DisplayMetrics.DENSITY_XHIGH:

                return (size * DisplayMetrics.DENSITY_MEDIUM * 2) / DisplayMetrics.DENSITY_XHIGH;

            default:

                return size;

        }

    }



    /**

     * Returns "true" if the user interface is currently being messed with

     * by a monkey.