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Wm.javaAPI DocAndroid 5.1 API6876Thu Mar 12 22:22:08 GMT 2015com.android.commands.wm

Wm

public class Wm extends com.android.internal.os.BaseCommand

Fields Summary
private android.view.IWindowManager
mWm
Constructors Summary
Methods Summary
public static voidmain(java.lang.String[] args)
Command-line entry point.

param
args The command-line arguments

        (new Wm()).run(args);
public voidonRun()

        mWm = IWindowManager.Stub.asInterface(ServiceManager.checkService(
                        Context.WINDOW_SERVICE));
        if (mWm == null) {
            System.err.println(NO_SYSTEM_ERROR_CODE);
            throw new AndroidException("Can't connect to window manager; is the system running?");
        }

        String op = nextArgRequired();

        if (op.equals("size")) {
            runDisplaySize();
        } else if (op.equals("density")) {
            runDisplayDensity();
        } else if (op.equals("overscan")) {
            runDisplayOverscan();
        } else {
            showError("Error: unknown command '" + op + "'");
            return;
        }
public voidonShowUsage(java.io.PrintStream out)

        out.println(
                "usage: wm [subcommand] [options]\n" +
                "       wm size [reset|WxH]\n" +
                "       wm density [reset|DENSITY]\n" +
                "       wm overscan [reset|LEFT,TOP,RIGHT,BOTTOM]\n" +
                "\n" +
                "wm size: return or override display size.\n" +
                "\n" +
                "wm density: override display density.\n" +
                "\n" +
                "wm overscan: set overscan area for display.\n"
                );
private voidrunDisplayDensity()

        String densityStr = nextArg();
        int density;
        if (densityStr == null) {
            try {
                int initialDensity = mWm.getInitialDisplayDensity(Display.DEFAULT_DISPLAY);
                int baseDensity = mWm.getBaseDisplayDensity(Display.DEFAULT_DISPLAY);
                System.out.println("Physical density: " + initialDensity);
                if (initialDensity != baseDensity) {
                    System.out.println("Override density: " + baseDensity);
                }
            } catch (RemoteException e) {
            }
            return;
        } else if ("reset".equals(densityStr)) {
            density = -1;
        } else {
            try {
                density = Integer.parseInt(densityStr);
            } catch (NumberFormatException e) {
                System.err.println("Error: bad number " + e);
                return;
            }
            if (density < 72) {
                System.err.println("Error: density must be >= 72");
                return;
            }
        }

        try {
            if (density > 0) {
                // TODO(multidisplay): For now Configuration only applies to main screen.
                mWm.setForcedDisplayDensity(Display.DEFAULT_DISPLAY, density);
            } else {
                mWm.clearForcedDisplayDensity(Display.DEFAULT_DISPLAY);
            }
        } catch (RemoteException e) {
        }
private voidrunDisplayOverscan()

        String overscanStr = nextArgRequired();
        Rect rect = new Rect();
        int density;
        if ("reset".equals(overscanStr)) {
            rect.set(0, 0, 0, 0);
        } else {
            final Pattern FLATTENED_PATTERN = Pattern.compile(
                    "(-?\\d+),(-?\\d+),(-?\\d+),(-?\\d+)");
            Matcher matcher = FLATTENED_PATTERN.matcher(overscanStr);
            if (!matcher.matches()) {
                System.err.println("Error: bad rectangle arg: " + overscanStr);
                return;
            }
            rect.left = Integer.parseInt(matcher.group(1));
            rect.top = Integer.parseInt(matcher.group(2));
            rect.right = Integer.parseInt(matcher.group(3));
            rect.bottom = Integer.parseInt(matcher.group(4));
        }

        try {
            mWm.setOverscan(Display.DEFAULT_DISPLAY, rect.left, rect.top, rect.right, rect.bottom);
        } catch (RemoteException e) {
        }
private voidrunDisplaySize()

        String size = nextArg();
        int w, h;
        if (size == null) {
            Point initialSize = new Point();
            Point baseSize = new Point();
            try {
                mWm.getInitialDisplaySize(Display.DEFAULT_DISPLAY, initialSize);
                mWm.getBaseDisplaySize(Display.DEFAULT_DISPLAY, baseSize);
                System.out.println("Physical size: " + initialSize.x + "x" + initialSize.y);
                if (!initialSize.equals(baseSize)) {
                    System.out.println("Override size: " + baseSize.x + "x" + baseSize.y);
                }
            } catch (RemoteException e) {
            }
            return;
        } else if ("reset".equals(size)) {
            w = h = -1;
        } else {
            int div = size.indexOf('x");
            if (div <= 0 || div >= (size.length()-1)) {
                System.err.println("Error: bad size " + size);
                return;
            }
            String wstr = size.substring(0, div);
            String hstr = size.substring(div+1);
            try {
                w = Integer.parseInt(wstr);
                h = Integer.parseInt(hstr);
            } catch (NumberFormatException e) {
                System.err.println("Error: bad number " + e);
                return;
            }
        }

        try {
            if (w >= 0 && h >= 0) {
                // TODO(multidisplay): For now Configuration only applies to main screen.
                mWm.setForcedDisplaySize(Display.DEFAULT_DISPLAY, w, h);
            } else {
                mWm.clearForcedDisplaySize(Display.DEFAULT_DISPLAY);
            }
        } catch (RemoteException e) {
        }