Android input keyevent

http://developer.android.com/reference/android/view/KeyEvent.html

/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.commands.input;

import android.hardware.input.InputManager;
import android.os.SystemClock;
import android.util.Log;
import android.view.InputDevice;
import android.view.KeyCharacterMap;
import android.view.KeyEvent;
import android.view.MotionEvent;

import java.util.HashMap;
import java.util.Map;

/**
 * Command that sends key events to the device, either by their keycode, or by
 * desired character output.
 */

public class Input {
    private static final String TAG = "Input";
    private static final String INVALID_ARGUMENTS = "Error: Invalid arguments for command: ";

    private static final Map SOURCES = new HashMap() {{
        put("keyboard", InputDevice.SOURCE_KEYBOARD);
        put("dpad", InputDevice.SOURCE_DPAD);
        put("gamepad", InputDevice.SOURCE_GAMEPAD);
        put("touchscreen", InputDevice.SOURCE_TOUCHSCREEN);
        put("mouse", InputDevice.SOURCE_MOUSE);
        put("stylus", InputDevice.SOURCE_STYLUS);
        put("trackball", InputDevice.SOURCE_TRACKBALL);
        put("touchpad", InputDevice.SOURCE_TOUCHPAD);
        put("touchnavigation", InputDevice.SOURCE_TOUCH_NAVIGATION);
        put("joystick", InputDevice.SOURCE_JOYSTICK);
    }};


    /**
     * Command-line entry point.
     *
     * @param args The command-line arguments
     */
    public static void main(String[] args) {
        (new Input()).run(args);
    }

    private void run(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();
    }

    /**
     * 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.
     */
    private void sendText(int source, String text) {

        StringBuffer buff = new StringBuffer(text);

        boolean escapeFlag = false;
        for (int i=0; i]  [...]");
        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  (Default: touchscreen)");
        System.err.println("      keyevent [--longpress]  ..."
                + " (Default: keyboard)");
        System.err.println("      tap   (Default: touchscreen)");
        System.err.println("      swipe     [duration(ms)]"
                + " (Default: touchscreen)");
        System.err.println("      press (Default: trackball)");
        System.err.println("      roll   (Default: trackball)");
    }
}