AndroidEventInjector/Injector.java at master · jpunz/AndroidEventInjector · GitHub

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package at.ba1.punz.eyenavigator.inputinjector;

import java.io.DataOutputStream;
import java.io.IOException;
import java.util.Locale;

/**
 * @author Juergen Punz
 * Injects InputEvents to Android-Device
 * Needs root-access to Device and App needs superuser-rights (you will be asked for that at execution-time).
 */
public class Injector {

	/**
	 * Injects Swipe-Event from right to left
	 * @return If execution of shell-command was successful or not
	 * @throws IOException
	 * @throws InterruptedException
	 */
	public static boolean swipeRightLeft() throws IOException, InterruptedException
	{
		return executeCommand("input swipe 300 500 50 500 100");
	}

	/**
	 * Injects Swipe-Event from left to right
	 * @return If execution of shell-command was successful or not
	 * @throws IOException
	 * @throws InterruptedException
	 */
	public static boolean swipeLeftRight() throws IOException, InterruptedException
	{
		return executeCommand("input swipe 50 500 300 500 100");
	}

	/**
	 * Injects Touch-Event at x- and y-coordinates of screen
	 * @param x x-coordinate of screen
	 * @param y y-coordinate of screen
	 * @return If execution of shell-command was successful or not
	 * @throws IOException
	 * @throws InterruptedException
	 */
	public static boolean touch(int x, int y) throws IOException, InterruptedException
	{
		return executeCommand(String.format(Locale.getDefault(), "input tap %d %d", x, y));
	}

	/**
	 * Injects Unlock-Event for unlocking the device's screen
	 * @return If execution of shell-command was successful or not
	 * @throws IOException
	 * @throws InterruptedException
	 */
	public static boolean unlockDevice() throws IOException, InterruptedException
	{
		return executeCommand("input keyevent 82");
	}

	/**
	 * Injects Powerbutton-Event for locking or activate the device's screen
	 * @return If execution of shell-command was successful or not
	 * @throws IOException
	 * @throws InterruptedException
	 */
	public static boolean pressPowerButton() throws IOException, InterruptedException
	{
		return executeCommand("input keyevent 26");
	}

	/**
	 * Injects Homebutton-Event
	 * @return If execution of shell-command was successful or not
	 * @throws IOException
	 * @throws InterruptedException
	 */
	public static boolean pressHomeButton() throws IOException, InterruptedException
	{
		return executeCommand("input keyevent 3");
	}

	/**
	 * Injects Backbutton-Event
	 * @return If execution of shell-command was successful or not
	 * @throws IOException
	 * @throws InterruptedException
	 */
	public static boolean pressBackButton() throws IOException, InterruptedException
	{
		return executeCommand("input keyevent 4");
	}

	/**
	 * Injects Swipe-Event (up to down) for opening the Notificationcenter
	 * @return If execution of shell-command was successful or not
	 * @throws IOException
	 * @throws InterruptedException
	 */
	public static boolean showNotificationCenter() throws IOException, InterruptedException
	{
		return executeCommand("input swipe 10 10 10 1000");
	}

	/**
	 * Runs given command in shell as superuser
	 * @param command Command to execute
	 * @return If execution of shell-command was successful or not
	 * @throws IOException
	 * @throws InterruptedException
	 */
	private static boolean executeCommand(String command) throws IOException, InterruptedException
	{
		Process suShell = Runtime.getRuntime().exec("su");
		DataOutputStream commandLine = new DataOutputStream(suShell.getOutputStream());

		commandLine.writeBytes(command + '\n');
	    commandLine.flush();
	    commandLine.writeBytes("exit\n");
	    commandLine.flush();

	    return suShell.waitFor() == 0;
	}
}