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/*
* 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;
/**
* 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";
/**
* 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;
}
String command = args[0];
try {
if (command.equals("text")) {
if (args.length == 2) {
sendText(args[1]);
return;
}
} else if (command.equals("keyevent")) {
if (args.length == 2) {
int keyCode = KeyEvent.keyCodeFromString(args[1]);
if (keyCode == KeyEvent.KEYCODE_UNKNOWN) {
keyCode = KeyEvent.keyCodeFromString("KEYCODE_" + args[1]);
}
sendKeyEvent(keyCode);
return;
}
} else if (command.equals("tap")) {
if (args.length == 3) {
sendTap(Float.parseFloat(args[1]), Float.parseFloat(args[2]));
return;
}
} else if (command.equals("swipe")) {
if (args.length == 5) {
sendSwipe(Float.parseFloat(args[1]), Float.parseFloat(args[2]),
Float.parseFloat(args[3]), Float.parseFloat(args[4]));
return;
}
} else {
System.err.println("Error: Unknown command: " + command);
showUsage();
return;
}
} catch (NumberFormatException ex) {
}
System.err.println("Error: Invalid arguments for command: " + 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(String text) {
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++) {
injectKeyEvent(events[i]);
}
}
private void sendKeyEvent(int keyCode) {
long now = SystemClock.uptimeMillis();
injectKeyEvent(new KeyEvent(now, now, KeyEvent.ACTION_DOWN, keyCode, 0, 0,
KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 0, InputDevice.SOURCE_KEYBOARD));
injectKeyEvent(new KeyEvent(now, now, KeyEvent.ACTION_UP, keyCode, 0, 0,
KeyCharacterMap.VIRTUAL_KEYBOARD, 0, 0, InputDevice.SOURCE_KEYBOARD));
}
private void sendTap(float x, float y) {
long now = SystemClock.uptimeMillis();
injectPointerEvent(MotionEvent.obtain(now, now, MotionEvent.ACTION_DOWN, x, y, 0));
injectPointerEvent(MotionEvent.obtain(now, now, MotionEvent.ACTION_UP, x, y, 0));
}
private void sendSwipe(float x1, float y1, float x2, float y2) {
final int NUM_STEPS = 11;
long now = SystemClock.uptimeMillis();
injectPointerEvent(MotionEvent.obtain(now, now, MotionEvent.ACTION_DOWN, x1, y1, 0));
for (int i = 1; i < NUM_STEPS; i++) {
float alpha = (float)i / NUM_STEPS;
injectPointerEvent(MotionEvent.obtain(now, now, MotionEvent.ACTION_MOVE,
lerp(x1, x2, alpha), lerp(y1, y2, alpha), 0));
}
injectPointerEvent(MotionEvent.obtain(now, now, MotionEvent.ACTION_UP, x2, y2, 0));
}
private void injectKeyEvent(KeyEvent event) {
Log.i(TAG, "InjectKeyEvent: " + event);
InputManager.getInstance().injectInputEvent(event,
InputManager.INJECT_INPUT_EVENT_MODE_WAIT_FOR_FINISH);
}
private void injectPointerEvent(MotionEvent event) {
event.setSource(InputDevice.SOURCE_TOUCHSCREEN);
Log.i("Input", "InjectPointerEvent: " + event);
InputManager.getInstance().injectInputEvent(event,
InputManager.INJECT_INPUT_EVENT_MODE_WAIT_FOR_FINISH);
}
private static final float lerp(float a, float b, float alpha) {
return (b - a) * alpha + a;
}
private void showUsage() {
System.err.println("usage: input ...");
System.err.println(" input text <string>");
System.err.println(" input keyevent <key code number or name>");
System.err.println(" input tap <x> <y>");
System.err.println(" input swipe <x1> <y1> <x2> <y2>");
}
}
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