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Input.javaAPI DocAndroid 5.1 API11653Thu Mar 12 22:22:08 GMT 2015com.android.commands.input

Input

public class Input extends Object
Command that sends key events to the device, either by their keycode, or by desired character output.

Fields Summary
private static final String
TAG
private static final String
INVALID_ARGUMENTS
private static final Map
SOURCES
Constructors Summary
Methods Summary
private static final intgetSource(int inputSource, int defaultSource)

        return inputSource == InputDevice.SOURCE_UNKNOWN ? defaultSource : inputSource;
private voidinjectKeyEvent(android.view.KeyEvent event)

        Log.i(TAG, "injectKeyEvent: " + event);
        InputManager.getInstance().injectInputEvent(event,
                InputManager.INJECT_INPUT_EVENT_MODE_WAIT_FOR_FINISH);
private voidinjectMotionEvent(int inputSource, int action, long when, float x, float y, float pressure)
Builds a MotionEvent and injects it into the event stream.

param
inputSource the InputDevice.SOURCE_* sending the input event
param
action the MotionEvent.ACTION_* for the event
param
when the value of SystemClock.uptimeMillis() at which the event happened
param
x x coordinate of event
param
y y coordinate of event
param
pressure pressure of event

        final float DEFAULT_SIZE = 1.0f;
        final int DEFAULT_META_STATE = 0;
        final float DEFAULT_PRECISION_X = 1.0f;
        final float DEFAULT_PRECISION_Y = 1.0f;
        final int DEFAULT_DEVICE_ID = 0;
        final int DEFAULT_EDGE_FLAGS = 0;
        MotionEvent event = MotionEvent.obtain(when, when, action, x, y, pressure, DEFAULT_SIZE,
                DEFAULT_META_STATE, DEFAULT_PRECISION_X, DEFAULT_PRECISION_Y, DEFAULT_DEVICE_ID,
                DEFAULT_EDGE_FLAGS);
        event.setSource(inputSource);
        Log.i(TAG, "injectMotionEvent: " + event);
        InputManager.getInstance().injectInputEvent(event,
                InputManager.INJECT_INPUT_EVENT_MODE_WAIT_FOR_FINISH);
private static final floatlerp(float a, float b, float alpha)

        return (b - a) * alpha + a;
public static voidmain(java.lang.String[] args)
Command-line entry point.

param
args The command-line arguments



                 
         
        (new Input()).run(args);
private voidrun(java.lang.String[] args)

        if (args.length < 1) {
            showUsage();
            return;
        }

        int index = 0;
        String command = args[index];
        int inputSource = InputDevice.SOURCE_UNKNOWN;
        if (SOURCES.containsKey(command)) {
            inputSource = SOURCES.get(command);
            index++;
            command = args[index];
        }
        final int length = args.length - index;

        try {
            if (command.equals("text")) {
                if (length == 2) {
                    inputSource = getSource(inputSource, InputDevice.SOURCE_KEYBOARD);
                    sendText(inputSource, args[index+1]);
                    return;
                }
            } else if (command.equals("keyevent")) {
                if (length >= 2) {
                    final boolean longpress = "--longpress".equals(args[index + 1]);
                    final int start = longpress ? index + 2 : index + 1;
                    inputSource = getSource(inputSource, InputDevice.SOURCE_KEYBOARD);
                    if (length > start) {
                        for (int i = start; i < length; i++) {
                            int keyCode = KeyEvent.keyCodeFromString(args[i]);
                            if (keyCode == KeyEvent.KEYCODE_UNKNOWN) {
                                keyCode = KeyEvent.keyCodeFromString("KEYCODE_" + args[i]);
                            }
                            sendKeyEvent(inputSource, keyCode, longpress);
                        }
                        return;
                    }
                }
            } else if (command.equals("tap")) {
                if (length == 3) {
                    inputSource = getSource(inputSource, InputDevice.SOURCE_TOUCHSCREEN);
                    sendTap(inputSource, Float.parseFloat(args[index+1]),
                            Float.parseFloat(args[index+2]));
                    return;
                }
            } else if (command.equals("swipe")) {
                int duration = -1;
                inputSource = getSource(inputSource, InputDevice.SOURCE_TOUCHSCREEN);
                switch (length) {
                    case 6:
                        duration = Integer.parseInt(args[index+5]);
                    case 5:
                        sendSwipe(inputSource,
                                Float.parseFloat(args[index+1]), Float.parseFloat(args[index+2]),
                                Float.parseFloat(args[index+3]), Float.parseFloat(args[index+4]),
                                duration);
                        return;
                }
            } else if (command.equals("press")) {
                inputSource = getSource(inputSource, InputDevice.SOURCE_TRACKBALL);
                if (length == 1) {
                    sendTap(inputSource, 0.0f, 0.0f);
                    return;
                }
            } else if (command.equals("roll")) {
                inputSource = getSource(inputSource, InputDevice.SOURCE_TRACKBALL);
                if (length == 3) {
                    sendMove(inputSource, Float.parseFloat(args[index+1]),
                            Float.parseFloat(args[index+2]));
                    return;
                }
            } else {
                System.err.println("Error: Unknown command: " + command);
                showUsage();
                return;
            }
        } catch (NumberFormatException ex) {
        }
        System.err.println(INVALID_ARGUMENTS + command);
        showUsage();
private voidsendKeyEvent(int inputSource, int keyCode, boolean longpress)

        long now = SystemClock.uptimeMillis();
        injectKeyEvent(new KeyEvent(now, now, KeyEvent.ACTION_DOWN, keyCode, 0, 0,
                KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 0, inputSource));
        if (longpress) {
            injectKeyEvent(new KeyEvent(now, now, KeyEvent.ACTION_DOWN, keyCode, 1, 0,
                    KeyCharacterMap.VIRTUAL_KEYBOARD, 0, KeyEvent.FLAG_LONG_PRESS,
                    inputSource));
        }
        injectKeyEvent(new KeyEvent(now, now, KeyEvent.ACTION_UP, keyCode, 0, 0,
                KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 0, inputSource));
private voidsendMove(int inputSource, float dx, float dy)
Sends a simple zero-pressure move event.

param
inputSource the InputDevice.SOURCE_* sending the input event
param
dx change in x coordinate due to move
param
dy change in y coordinate due to move

        long now = SystemClock.uptimeMillis();
        injectMotionEvent(inputSource, MotionEvent.ACTION_MOVE, now, dx, dy, 0.0f);
private voidsendSwipe(int inputSource, float x1, float y1, float x2, float y2, int duration)

        if (duration < 0) {
            duration = 300;
        }
        long now = SystemClock.uptimeMillis();
        injectMotionEvent(inputSource, MotionEvent.ACTION_DOWN, now, x1, y1, 1.0f);
        long startTime = now;
        long endTime = startTime + duration;
        while (now < endTime) {
            long elapsedTime = now - startTime;
            float alpha = (float) elapsedTime / duration;
            injectMotionEvent(inputSource, MotionEvent.ACTION_MOVE, now, lerp(x1, x2, alpha),
                    lerp(y1, y2, alpha), 1.0f);
            now = SystemClock.uptimeMillis();
        }
        injectMotionEvent(inputSource, MotionEvent.ACTION_UP, now, x2, y2, 0.0f);
private voidsendTap(int inputSource, float x, float y)

        long now = SystemClock.uptimeMillis();
        injectMotionEvent(inputSource, MotionEvent.ACTION_DOWN, now, x, y, 1.0f);
        injectMotionEvent(inputSource, MotionEvent.ACTION_UP, now, x, y, 0.0f);
private voidsendText(int source, java.lang.String text)
Convert the characters of string text into key event's and send to device.

param
text is a string of characters you want to input to the device.


        StringBuffer buff = new StringBuffer(text);

        boolean escapeFlag = false;
        for (int i=0; i<buff.length(); i++) {
            if (escapeFlag) {
                escapeFlag = false;
                if (buff.charAt(i) == 's") {
                    buff.setCharAt(i, ' ");
                    buff.deleteCharAt(--i);
                }
            }
            if (buff.charAt(i) == '%") {
                escapeFlag = true;
            }
        }

        char[] chars = buff.toString().toCharArray();

        KeyCharacterMap kcm = KeyCharacterMap.load(KeyCharacterMap.VIRTUAL_KEYBOARD);
        KeyEvent[] events = kcm.getEvents(chars);
        for(int i = 0; i < events.length; i++) {
            KeyEvent e = events[i];
            if (source != e.getSource()) {
                e.setSource(source);
            }
            injectKeyEvent(e);
        }
private voidshowUsage()

        System.err.println("Usage: input [<source>] <command> [<arg>...]");
        System.err.println();
        System.err.println("The sources are: ");
        for (String src : SOURCES.keySet()) {
            System.err.println("      " + src);
        }
        System.err.println();
        System.err.println("The commands and default sources are:");
        System.err.println("      text <string> (Default: touchscreen)");
        System.err.println("      keyevent [--longpress] <key code number or name> ..."
                + " (Default: keyboard)");
        System.err.println("      tap <x> <y> (Default: touchscreen)");
        System.err.println("      swipe <x1> <y1> <x2> <y2> [duration(ms)]"
                + " (Default: touchscreen)");
        System.err.println("      press (Default: trackball)");
        System.err.println("      roll <dx> <dy> (Default: trackball)");