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package net.hoopajoo.android;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.SystemClock;
import android.util.Log;
import android.view.IWindowManager;
import android.view.KeyEvent;
import android.os.IPowerManager;
import android.content.Context;
/*
* Inject events as root in to the android framework, accepts commands on stdin,
*
* This gives finer access control to keydown/up and also to put the device to sleep
*
* Other things that are blocked from normal apps that have an interface could be added here
* like pointer control
*/
public class RemoteContext {
private boolean debug = false;
private final String LOG = "RootContext";
public static void main( String[] args ) {
(new RemoteContext()).run( args );
}
private void run( String[] args ) {
if( args.length > 0 ) {
debug = true;
d( "Debugging enabled" );
}
BufferedReader input = new BufferedReader(
new InputStreamReader( System.in ),
2 * 1024 );
String cmd;
try {
while( true ) {
cmd = input.readLine();
d( "Read: " + cmd );
String[] parts = cmd.split( " " );
if( debug ) {
for( String s : parts ) {
d( "Part: " + s );
}
}
boolean processed = false;
if( parts.length > 0 ) {
if( parts[ 0 ].startsWith( "key") ) {
int code = Integer.parseInt( parts[ 1 ] );
if( parts[ 0 ].equals( "keycode" ) ) {
// key down, up
d( "Sending keycode: " + code );
sendKeyCode( code, KeyEvent.ACTION_DOWN );
sendKeyCode( code, KeyEvent.ACTION_UP );
processed = true;
}else if( parts[ 0 ].equals( "keycodedown" ) ) {
d( "Sending keycode DOWN: " + code );
sendKeyCode( code, KeyEvent.ACTION_DOWN );
processed = true;
}else if( parts[ 0 ].equals( "keycodeup" ) ) {
d( "Sending keycode UP: " + code );
sendKeyCode( code, KeyEvent.ACTION_UP );
processed = true;
}
}
if( parts[ 0 ].equals( "sleep" ) ) {
d( "Going to sleep" );
goToSleep();
processed = true;
}
if( parts[ 0 ].equals( "null" ) ) {
d( "null command" );
processed = true;
}
if( parts[ 0 ].equals( "system" ) ) {
Runtime r = Runtime.getRuntime();
String exec = cmd.substring( "system ".length() );
d( "Executing shell command: '" + exec + "'" );
r.exec( exec );
processed = true;
}
}
if( ! processed ) {
Log.e( LOG, "Failed to process input: " + cmd );
d( "Failed to process input: " + cmd );
}
}
}catch( Exception e ) {
Log.i( LOG, e.toString() );
}
d( "Finished" );
}
private void d( String s ) {
if( debug ) {
//System.out.println( s );
Log.d( LOG, s );
}
}
private void sendKeyCode( int code, int action ) {
long now = SystemClock.uptimeMillis();
KeyEvent k = new KeyEvent(now, now, action, code, 0);
try {
( IWindowManager.Stub
.asInterface( ServiceManager.getService( Context.WINDOW_SERVICE) ) )
.injectKeyEvent( k , true );
} catch (RemoteException e) {
Log.i( LOG, e.toString() );
}
}
private void goToSleep() {
try {
( IPowerManager.Stub
.asInterface( ServiceManager.getService( Context.POWER_SERVICE ) ) )
.goToSleep( SystemClock.uptimeMillis() );
} catch (RemoteException e) {
Log.i( LOG, e.toString() );
}
}
}
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