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SDLActivity.java
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package org.libsdl.app;
import java.io.IOException;
import java.io.InputStream;
import java.util.Arrays;
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import java.util.Hashtable;
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import java.lang.reflect.Method;
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import java.lang.Math;
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import android.app.*;
import android.content.*;
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import android.content.res.Configuration;
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import android.text.InputType;
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import android.view.*;
import android.view.inputmethod.BaseInputConnection;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputConnection;
import android.view.inputmethod.InputMethodManager;
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import android.widget.RelativeLayout;
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import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.os.*;
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import android.util.DisplayMetrics;
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import android.util.Log;
import android.util.SparseArray;
import android.graphics.*;
import android.graphics.drawable.Drawable;
import android.hardware.*;
import android.content.pm.ActivityInfo;
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import android.content.pm.PackageManager;
import android.content.pm.ApplicationInfo;
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/**
SDL Activity
*/
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public class SDLActivity extends Activity implements View.OnSystemUiVisibilityChangeListener {
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private static final String TAG = "SDL";
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public static boolean mIsResumedCalled, mIsSurfaceReady, mHasFocus;
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// Cursor types
private static final int SDL_SYSTEM_CURSOR_NONE = -1;
private static final int SDL_SYSTEM_CURSOR_ARROW = 0;
private static final int SDL_SYSTEM_CURSOR_IBEAM = 1;
private static final int SDL_SYSTEM_CURSOR_WAIT = 2;
private static final int SDL_SYSTEM_CURSOR_CROSSHAIR = 3;
private static final int SDL_SYSTEM_CURSOR_WAITARROW = 4;
private static final int SDL_SYSTEM_CURSOR_SIZENWSE = 5;
private static final int SDL_SYSTEM_CURSOR_SIZENESW = 6;
private static final int SDL_SYSTEM_CURSOR_SIZEWE = 7;
private static final int SDL_SYSTEM_CURSOR_SIZENS = 8;
private static final int SDL_SYSTEM_CURSOR_SIZEALL = 9;
private static final int SDL_SYSTEM_CURSOR_NO = 10;
private static final int SDL_SYSTEM_CURSOR_HAND = 11;
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protected static final int SDL_ORIENTATION_UNKNOWN = 0;
protected static final int SDL_ORIENTATION_LANDSCAPE = 1;
protected static final int SDL_ORIENTATION_LANDSCAPE_FLIPPED = 2;
protected static final int SDL_ORIENTATION_PORTRAIT = 3;
protected static final int SDL_ORIENTATION_PORTRAIT_FLIPPED = 4;
protected static int mCurrentOrientation;
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// Handle the state of the native layer
public enum NativeState {
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INIT, RESUMED, PAUSED
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}
public static NativeState mNextNativeState;
public static NativeState mCurrentNativeState;
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public static boolean mExitCalledFromJava;
/** If shared libraries (e.g. SDL or the native application) could not be loaded. */
public static boolean mBrokenLibraries;
// If we want to separate mouse and touch events.
// This is only toggled in native code when a hint is set!
public static boolean mSeparateMouseAndTouch;
// Main components
protected static SDLActivity mSingleton;
protected static SDLSurface mSurface;
protected static View mTextEdit;
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protected static boolean mScreenKeyboardShown;
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protected static ViewGroup mLayout;
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protected static SDLClipboardHandler mClipboardHandler;
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protected static Hashtable<Integer, Object> mCursors;
protected static int mLastCursorID;
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protected static SDLGenericMotionListener_API12 mMotionListener;
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protected static HIDDeviceManager mHIDDeviceManager;
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// This is what SDL runs in. It invokes SDL_main(), eventually
protected static Thread mSDLThread;
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protected static SDLGenericMotionListener_API12 getMotionListener() {
if (mMotionListener == null) {
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if (Build.VERSION.SDK_INT >= 26) {
mMotionListener = new SDLGenericMotionListener_API26();
} else
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if (Build.VERSION.SDK_INT >= 24) {
mMotionListener = new SDLGenericMotionListener_API24();
} else {
mMotionListener = new SDLGenericMotionListener_API12();
}
}
return mMotionListener;
}
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/**
* This method returns the name of the shared object with the application entry point
* It can be overridden by derived classes.
*/
protected String getMainSharedObject() {
String library;
String[] libraries = SDLActivity.mSingleton.getLibraries();
if (libraries.length > 0) {
library = "lib" + libraries[libraries.length - 1] + ".so";
} else {
library = "libmain.so";
}
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return getContext().getApplicationInfo().nativeLibraryDir + "/" + library;
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}
/**
* This method returns the name of the application entry point
* It can be overridden by derived classes.
*/
protected String getMainFunction() {
return "SDL_main";
}
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/**
* This method is called by SDL before loading the native shared libraries.
* It can be overridden to provide names of shared libraries to be loaded.
* The default implementation returns the defaults. It never returns null.
* An array returned by a new implementation must at least contain "SDL2".
* Also keep in mind that the order the libraries are loaded may matter.
* @return names of shared libraries to be loaded (e.g. "SDL2", "main").
*/
protected String[] getLibraries() {
return new String[] {
"SDL2",
// "SDL2_image",
// "SDL2_mixer",
// "SDL2_net",
// "SDL2_ttf",
"main"
};
}
// Load the .so
public void loadLibraries() {
for (String lib : getLibraries()) {
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SDL.loadLibrary(lib);
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}
}
/**
* This method is called by SDL before starting the native application thread.
* It can be overridden to provide the arguments after the application name.
* The default implementation returns an empty array. It never returns null.
* @return arguments for the native application.
*/
protected String[] getArguments() {
return new String[0];
}
public static void initialize() {
// The static nature of the singleton and Android quirkyness force us to initialize everything here
// Otherwise, when exiting the app and returning to it, these variables *keep* their pre exit values
mSingleton = null;
mSurface = null;
mTextEdit = null;
mLayout = null;
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mClipboardHandler = null;
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mCursors = new Hashtable<Integer, Object>();
mLastCursorID = 0;
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mSDLThread = null;
mExitCalledFromJava = false;
mBrokenLibraries = false;
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mIsResumedCalled = false;
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mIsSurfaceReady = false;
mHasFocus = true;
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mNextNativeState = NativeState.INIT;
mCurrentNativeState = NativeState.INIT;
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}
// Setup
@Override
protected void onCreate(Bundle savedInstanceState) {
Log.v(TAG, "Device: " + android.os.Build.DEVICE);
Log.v(TAG, "Model: " + android.os.Build.MODEL);
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Log.v(TAG, "onCreate()");
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super.onCreate(savedInstanceState);
// Load shared libraries
String errorMsgBrokenLib = "";
try {
loadLibraries();
} catch(UnsatisfiedLinkError e) {
System.err.println(e.getMessage());
mBrokenLibraries = true;
errorMsgBrokenLib = e.getMessage();
} catch(Exception e) {
System.err.println(e.getMessage());
mBrokenLibraries = true;
errorMsgBrokenLib = e.getMessage();
}
if (mBrokenLibraries)
{
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mSingleton = this;
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AlertDialog.Builder dlgAlert = new AlertDialog.Builder(this);
dlgAlert.setMessage("An error occurred while trying to start the application. Please try again and/or reinstall."
+ System.getProperty("line.separator")
+ System.getProperty("line.separator")
+ "Error: " + errorMsgBrokenLib);
dlgAlert.setTitle("SDL Error");
dlgAlert.setPositiveButton("Exit",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog,int id) {
// if this button is clicked, close current activity
SDLActivity.mSingleton.finish();
}
});
dlgAlert.setCancelable(false);
dlgAlert.create().show();
return;
}
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// Set up JNI
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SDL.setupJNI();
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// Initialize state
SDL.initialize();
// So we can call stuff from static callbacks
mSingleton = this;
SDL.setContext(this);
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if (Build.VERSION.SDK_INT >= 11) {
mClipboardHandler = new SDLClipboardHandler_API11();
} else {
/* Before API 11, no clipboard notification (eg no SDL_CLIPBOARDUPDATE) */
mClipboardHandler = new SDLClipboardHandler_Old();
}
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mHIDDeviceManager = new HIDDeviceManager(this);
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// Set up the surface
mSurface = new SDLSurface(getApplication());
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mLayout = new RelativeLayout(this);
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mLayout.addView(mSurface);
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// Get our current screen orientation and pass it down.
mCurrentOrientation = SDLActivity.getCurrentOrientation();
SDLActivity.onNativeOrientationChanged(mCurrentOrientation);
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setContentView(mLayout);
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setWindowStyle(false);
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getWindow().getDecorView().setOnSystemUiVisibilityChangeListener(this);
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// Get filename from "Open with" of another application
Intent intent = getIntent();
if (intent != null && intent.getData() != null) {
String filename = intent.getData().getPath();
if (filename != null) {
Log.v(TAG, "Got filename: " + filename);
SDLActivity.onNativeDropFile(filename);
}
}
}
// Events
@Override
protected void onPause() {
Log.v(TAG, "onPause()");
super.onPause();
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mNextNativeState = NativeState.PAUSED;
mIsResumedCalled = false;
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if (SDLActivity.mBrokenLibraries) {
return;
}
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if (mHIDDeviceManager != null) {
mHIDDeviceManager.setFrozen(true);
}
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SDLActivity.handleNativeState();
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}
@Override
protected void onResume() {
Log.v(TAG, "onResume()");
super.onResume();
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mNextNativeState = NativeState.RESUMED;
mIsResumedCalled = true;
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if (SDLActivity.mBrokenLibraries) {
return;
}
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if (mHIDDeviceManager != null) {
mHIDDeviceManager.setFrozen(false);
}
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SDLActivity.handleNativeState();
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}
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public static int getCurrentOrientation() {
final Context context = SDLActivity.getContext();
final Display display = ((WindowManager) context.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();
int result = SDL_ORIENTATION_UNKNOWN;
switch (display.getRotation()) {
case Surface.ROTATION_0:
result = SDL_ORIENTATION_PORTRAIT;
break;
case Surface.ROTATION_90:
result = SDL_ORIENTATION_LANDSCAPE;
break;
case Surface.ROTATION_180:
result = SDL_ORIENTATION_PORTRAIT_FLIPPED;
break;
case Surface.ROTATION_270:
result = SDL_ORIENTATION_LANDSCAPE_FLIPPED;
break;
}
return result;
}
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@Override
public void onWindowFocusChanged(boolean hasFocus) {
super.onWindowFocusChanged(hasFocus);
Log.v(TAG, "onWindowFocusChanged(): " + hasFocus);
if (SDLActivity.mBrokenLibraries) {
return;
}
SDLActivity.mHasFocus = hasFocus;
if (hasFocus) {
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mNextNativeState = NativeState.RESUMED;
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SDLActivity.getMotionListener().reclaimRelativeMouseModeIfNeeded();
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} else {
mNextNativeState = NativeState.PAUSED;
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}
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SDLActivity.handleNativeState();
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}
@Override
public void onLowMemory() {
Log.v(TAG, "onLowMemory()");
super.onLowMemory();
if (SDLActivity.mBrokenLibraries) {
return;
}
SDLActivity.nativeLowMemory();
}
@Override
protected void onDestroy() {
Log.v(TAG, "onDestroy()");
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if (mHIDDeviceManager != null) {
mHIDDeviceManager.close();
mHIDDeviceManager = null;
}
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if (SDLActivity.mBrokenLibraries) {
super.onDestroy();
// Reset everything in case the user re opens the app
SDLActivity.initialize();
return;
}
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mNextNativeState = NativeState.PAUSED;
SDLActivity.handleNativeState();
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// Send a quit message to the application
SDLActivity.mExitCalledFromJava = true;
SDLActivity.nativeQuit();
// Now wait for the SDL thread to quit
if (SDLActivity.mSDLThread != null) {
try {
SDLActivity.mSDLThread.join();
} catch(Exception e) {
Log.v(TAG, "Problem stopping thread: " + e);
}
SDLActivity.mSDLThread = null;
//Log.v(TAG, "Finished waiting for SDL thread");
}
super.onDestroy();
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// Reset everything in case the user re opens the app
SDLActivity.initialize();
}
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@Override
public void onBackPressed() {
// Check if we want to block the back button in case of mouse right click.
//
// If we do, the normal hardware back button will no longer work and people have to use home,
// but the mouse right click will work.
//
String trapBack = SDLActivity.nativeGetHint("SDL_ANDROID_TRAP_BACK_BUTTON");
if ((trapBack != null) && trapBack.equals("1")) {
// Exit and let the mouse handler handle this button (if appropriate)
return;
}
// Default system back button behavior.
super.onBackPressed();
}
// Called by JNI from SDL.
public static void manualBackButton() {
mSingleton.pressBackButton();
}
// Used to get us onto the activity's main thread
public void pressBackButton() {
runOnUiThread(new Runnable() {
@Override
public void run() {
SDLActivity.this.superOnBackPressed();
}
});
}
// Used to access the system back behavior.
public void superOnBackPressed() {
super.onBackPressed();
}
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@Override
public boolean dispatchKeyEvent(KeyEvent event) {
if (SDLActivity.mBrokenLibraries) {
return false;
}
int keyCode = event.getKeyCode();
// Ignore certain special keys so they're handled by Android
if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN ||
keyCode == KeyEvent.KEYCODE_VOLUME_UP ||
keyCode == KeyEvent.KEYCODE_CAMERA ||
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keyCode == KeyEvent.KEYCODE_ZOOM_IN || /* API 11 */
keyCode == KeyEvent.KEYCODE_ZOOM_OUT /* API 11 */
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) {
return false;
}
return super.dispatchKeyEvent(event);
}
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/* Transition to next state */
public static void handleNativeState() {
if (mNextNativeState == mCurrentNativeState) {
// Already in same state, discard.
return;
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}
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// Try a transition to init state
if (mNextNativeState == NativeState.INIT) {
mCurrentNativeState = mNextNativeState;
return;
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}
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// Try a transition to paused state
if (mNextNativeState == NativeState.PAUSED) {
nativePause();
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if (mSurface != null)
mSurface.handlePause();
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mCurrentNativeState = mNextNativeState;
return;
}
// Try a transition to resumed state
if (mNextNativeState == NativeState.RESUMED) {
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if (mIsSurfaceReady && mHasFocus && mIsResumedCalled) {
if (mSDLThread == null) {
// This is the entry point to the C app.
// Start up the C app thread and enable sensor input for the first time
// FIXME: Why aren't we enabling sensor input at start?
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mSDLThread = new Thread(new SDLMain(), "SDLThread");
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mSurface.enableSensor(Sensor.TYPE_ACCELEROMETER, true);
mSDLThread.start();
}
nativeResume();
mSurface.handleResume();
mCurrentNativeState = mNextNativeState;
}
}
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}
/* The native thread has finished */
public static void handleNativeExit() {
SDLActivity.mSDLThread = null;
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if (mSingleton != null) {
mSingleton.finish();
}
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}
// Messages from the SDLMain thread
static final int COMMAND_CHANGE_TITLE = 1;
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static final int COMMAND_CHANGE_WINDOW_STYLE = 2;
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static final int COMMAND_TEXTEDIT_HIDE = 3;
static final int COMMAND_SET_KEEP_SCREEN_ON = 5;
protected static final int COMMAND_USER = 0x8000;
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protected static boolean mFullscreenModeActive;
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/**
* This method is called by SDL if SDL did not handle a message itself.
* This happens if a received message contains an unsupported command.
* Method can be overwritten to handle Messages in a different class.
* @param command the command of the message.
* @param param the parameter of the message. May be null.
* @return if the message was handled in overridden method.
*/
protected boolean onUnhandledMessage(int command, Object param) {
return false;
}
/**
* A Handler class for Messages from native SDL applications.
* It uses current Activities as target (e.g. for the title).
* static to prevent implicit references to enclosing object.
*/
protected static class SDLCommandHandler extends Handler {
@Override
public void handleMessage(Message msg) {
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Context context = SDL.getContext();
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if (context == null) {
Log.e(TAG, "error handling message, getContext() returned null");
return;
}
switch (msg.arg1) {
case COMMAND_CHANGE_TITLE:
if (context instanceof Activity) {
((Activity) context).setTitle((String)msg.obj);
} else {
Log.e(TAG, "error handling message, getContext() returned no Activity");
}
break;
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case COMMAND_CHANGE_WINDOW_STYLE:
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if (Build.VERSION.SDK_INT < 19) {
// This version of Android doesn't support the immersive fullscreen mode
break;
}
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if (context instanceof Activity) {
Window window = ((Activity) context).getWindow();
if (window != null) {
if ((msg.obj instanceof Integer) && (((Integer) msg.obj).intValue() != 0)) {
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int flags = View.SYSTEM_UI_FLAG_FULLSCREEN |
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View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
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View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY |
View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN |
View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION |
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View.SYSTEM_UI_FLAG_LAYOUT_STABLE | View.INVISIBLE;
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window.getDecorView().setSystemUiVisibility(flags);
window.addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
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window.clearFlags(WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN);
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SDLActivity.mFullscreenModeActive = true;
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} else {
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int flags = View.SYSTEM_UI_FLAG_LAYOUT_STABLE | View.SYSTEM_UI_FLAG_VISIBLE;
window.getDecorView().setSystemUiVisibility(flags);
window.addFlags(WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN);
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window.clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
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SDLActivity.mFullscreenModeActive = false;
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}
}
} else {
Log.e(TAG, "error handling message, getContext() returned no Activity");
}
break;
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case COMMAND_TEXTEDIT_HIDE:
if (mTextEdit != null) {
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// Note: On some devices setting view to GONE creates a flicker in landscape.
// Setting the View's sizes to 0 is similar to GONE but without the flicker.
// The sizes will be set to useful values when the keyboard is shown again.
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mTextEdit.setLayoutParams(new RelativeLayout.LayoutParams(0, 0));
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InputMethodManager imm = (InputMethodManager) context.getSystemService(Context.INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(mTextEdit.getWindowToken(), 0);
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mScreenKeyboardShown = false;
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}
break;
case COMMAND_SET_KEEP_SCREEN_ON:
{
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if (context instanceof Activity) {
Window window = ((Activity) context).getWindow();
if (window != null) {
if ((msg.obj instanceof Integer) && (((Integer) msg.obj).intValue() != 0)) {
window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
} else {
window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
}
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}
}
break;
}
default:
if ((context instanceof SDLActivity) && !((SDLActivity) context).onUnhandledMessage(msg.arg1, msg.obj)) {
Log.e(TAG, "error handling message, command is " + msg.arg1);
}
}
}
}
// Handler for the messages
Handler commandHandler = new SDLCommandHandler();
// Send a message from the SDLMain thread
boolean sendCommand(int command, Object data) {
Message msg = commandHandler.obtainMessage();
msg.arg1 = command;
msg.obj = data;
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boolean result = commandHandler.sendMessage(msg);
// Ensure we don't return until the resize has actually happened,
// or 250ms have passed.
if (command == COMMAND_CHANGE_WINDOW_STYLE) {
synchronized(SDLActivity.getContext()) {
try {
SDLActivity.getContext().wait(250);
}
catch (InterruptedException ie) {
ie.printStackTrace();
}
}
}
return result;
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}
// C functions we call
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public static native int nativeSetupJNI();
public static native int nativeRunMain(String library, String function, Object arguments);
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public static native void nativeLowMemory();
public static native void nativeQuit();
public static native void nativePause();
public static native void nativeResume();
public static native void onNativeDropFile(String filename);
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public static native void onNativeResize(int surfaceWidth, int surfaceHeight, int deviceWidth, int deviceHeight, int format, float rate);
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public static native void onNativeKeyDown(int keycode);
public static native void onNativeKeyUp(int keycode);
public static native void onNativeKeyboardFocusLost();
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public static native void onNativeMouse(int button, int action, float x, float y, boolean relative);
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public static native void onNativeTouch(int touchDevId, int pointerFingerId,
int action, float x,
float y, float p);
public static native void onNativeAccel(float x, float y, float z);
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public static native void onNativeClipboardChanged();
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public static native void onNativeSurfaceChanged();
public static native void onNativeSurfaceDestroyed();
public static native String nativeGetHint(String name);
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public static native void nativeSetenv(String name, String value);
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public static native void onNativeOrientationChanged(int orientation);
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/**
* This method is called by SDL using JNI.
*/
public static boolean setActivityTitle(String title) {
// Called from SDLMain() thread and can't directly affect the view
return mSingleton.sendCommand(COMMAND_CHANGE_TITLE, title);
}
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/**
* This method is called by SDL using JNI.
*/
public static void setWindowStyle(boolean fullscreen) {
// Called from SDLMain() thread and can't directly affect the view
mSingleton.sendCommand(COMMAND_CHANGE_WINDOW_STYLE, fullscreen ? 1 : 0);
}
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/**
* This method is called by SDL using JNI.
* This is a static method for JNI convenience, it calls a non-static method
* so that is can be overridden
*/
public static void setOrientation(int w, int h, boolean resizable, String hint)
{
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if (mSingleton != null) {
mSingleton.setOrientationBis(w, h, resizable, hint);
}
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}
/**
* This can be overridden
*/
public void setOrientationBis(int w, int h, boolean resizable, String hint)
{
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int orientation = -1;
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if (hint.contains("LandscapeRight") && hint.contains("LandscapeLeft")) {
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orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE;
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} else if (hint.contains("LandscapeRight")) {
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orientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
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} else if (hint.contains("LandscapeLeft")) {
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orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
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} else if (hint.contains("Portrait") && hint.contains("PortraitUpsideDown")) {
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orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT;
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} else if (hint.contains("Portrait")) {
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orientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
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} else if (hint.contains("PortraitUpsideDown")) {
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orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT;
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}
/* no valid hint */
if (orientation == -1) {
if (resizable) {
/* no fixed orientation */
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} else {
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if (w > h) {
orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE;
} else {
orientation = ActivityInfo.SCREEN_ORIENTATION_SENSOR_PORTRAIT;
}
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}
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}
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Log.v("SDL", "setOrientation() orientation=" + orientation + " width=" + w +" height="+ h +" resizable=" + resizable + " hint=" + hint);
if (orientation != -1) {
mSingleton.setRequestedOrientation(orientation);
}
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}
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/**
* This method is called by SDL using JNI.
*/
public static boolean isScreenKeyboardShown()
{
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if (mTextEdit == null) {
return false;
}
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if (!mScreenKeyboardShown) {
return false;
}
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InputMethodManager imm = (InputMethodManager) SDL.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
return imm.isAcceptingText();
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}
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/**
* This method is called by SDL using JNI.
*/
public static boolean supportsRelativeMouse()
{
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// ChromeOS doesn't provide relative mouse motion via the Android 7 APIs
if (isChromebook()) {
return false;
}
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// DeX mode in Samsung Experience 9.0 and earlier doesn't support relative mice properly under
// Android 7 APIs, and simply returns no data under Android 8 APIs.
//
// This is fixed in Samsung Experience 9.5, which corresponds to Android 8.1.0, and
// thus SDK version 27. If we are in DeX mode and not API 27 or higher, as a result,
// we should stick to relative mode.
//
if ((Build.VERSION.SDK_INT < 27) && isDeXMode()) {
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return false;
}
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return SDLActivity.getMotionListener().supportsRelativeMouse();
}
/**
* This method is called by SDL using JNI.
*/
public static boolean setRelativeMouseEnabled(boolean enabled)
{
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if (enabled && !supportsRelativeMouse()) {
return false;
}
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return SDLActivity.getMotionListener().setRelativeMouseEnabled(enabled);
}
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/**
* This method is called by SDL using JNI.
*/
public static boolean sendMessage(int command, int param) {
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if (mSingleton == null) {
return false;
}
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return mSingleton.sendCommand(command, Integer.valueOf(param));
}
/**
* This method is called by SDL using JNI.
*/
public static Context getContext() {
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return SDL.getContext();
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}
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/**
* This method is called by SDL using JNI.
*/
public static boolean isAndroidTV() {
UiModeManager uiModeManager = (UiModeManager) getContext().getSystemService(UI_MODE_SERVICE);
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if (uiModeManager.getCurrentModeType() == Configuration.UI_MODE_TYPE_TELEVISION) {
return true;
}
if (Build.MANUFACTURER.equals("MINIX") && Build.MODEL.equals("NEO-U1")) {
return true;
}
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if (Build.MANUFACTURER.equals("Amlogic") && Build.MODEL.equals("X96-W")) {
return true;
}
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return false;
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}
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/**
* This method is called by SDL using JNI.
*/
public static boolean isTablet() {
DisplayMetrics metrics = new DisplayMetrics();
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Activity activity = (Activity)getContext();
activity.getWindowManager().getDefaultDisplay().getMetrics(metrics);
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double dWidthInches = metrics.widthPixels / (double)metrics.xdpi;
double dHeightInches = metrics.heightPixels / (double)metrics.ydpi;
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double dDiagonal = Math.sqrt((dWidthInches * dWidthInches) + (dHeightInches * dHeightInches));
// If our diagonal size is seven inches or greater, we consider ourselves a tablet.
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return (dDiagonal >= 7.0);
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}
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/**
* This method is called by SDL using JNI.
*/
public static boolean isChromebook() {
return getContext().getPackageManager().hasSystemFeature("org.chromium.arc.device_management");
}
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/**
* This method is called by SDL using JNI.
*/
public static boolean isDeXMode() {
if (Build.VERSION.SDK_INT < 24) {
return false;
}
try {
final Configuration config = getContext().getResources().getConfiguration();
final Class configClass = config.getClass();
return configClass.getField("SEM_DESKTOP_MODE_ENABLED").getInt(configClass)
== configClass.getField("semDesktopModeEnabled").getInt(config);
} catch(Exception ignored) {
return false;
}
}
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/**
* This method is called by SDL using JNI.
*/
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public static DisplayMetrics getDisplayDPI() {
return getContext().getResources().getDisplayMetrics();
}
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/**
* This method is called by SDL using JNI.
*/
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public static boolean getManifestEnvironmentVariables() {
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try {
ApplicationInfo applicationInfo = getContext().getPackageManager().getApplicationInfo(getContext().getPackageName(), PackageManager.GET_META_DATA);
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Bundle bundle = applicationInfo.metaData;
if (bundle == null) {
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return false;
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}
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String prefix = "SDL_ENV.";
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final int trimLength = prefix.length();
for (String key : bundle.keySet()) {
if (key.startsWith(prefix)) {
String name = key.substring(trimLength);
String value = bundle.get(key).toString();
nativeSetenv(name, value);
}
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}
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/* environment variables set! */
return true;
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} catch (Exception e) {
Log.v("SDL", "exception " + e.toString());
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}
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return false;
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}
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// This method is called by SDLControllerManager's API 26 Generic Motion Handler.
public static View getContentView()
{
return mSingleton.mLayout;
}
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static class ShowTextInputTask implements Runnable {
/*
* This is used to regulate the pan&scan method to have some offset from
* the bottom edge of the input region and the top edge of an input
* method (soft keyboard)
*/
static final int HEIGHT_PADDING = 15;
public int x, y, w, h;
public ShowTextInputTask(int x, int y, int w, int h) {
this.x = x;
this.y = y;
this.w = w;
this.h = h;
}
@Override
public void run() {
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RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(w, h + HEIGHT_PADDING);
params.leftMargin = x;
params.topMargin = y;
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if (mTextEdit == null) {
949
mTextEdit = new DummyEdit(SDL.getContext());
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mLayout.addView(mTextEdit, params);
} else {
mTextEdit.setLayoutParams(params);
}
mTextEdit.setVisibility(View.VISIBLE);
mTextEdit.requestFocus();
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InputMethodManager imm = (InputMethodManager) SDL.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);
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imm.showSoftInput(mTextEdit, 0);
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mScreenKeyboardShown = true;
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}
}
/**
* This method is called by SDL using JNI.
*/
public static boolean showTextInput(int x, int y, int w, int h) {
// Transfer the task to the main thread as a Runnable
return mSingleton.commandHandler.post(new ShowTextInputTask(x, y, w, h));
}
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public static boolean isTextInputEvent(KeyEvent event) {
// Key pressed with Ctrl should be sent as SDL_KEYDOWN/SDL_KEYUP and not SDL_TEXTINPUT
977
if (Build.VERSION.SDK_INT >= 11) {
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if (event.isCtrlPressed()) {
return false;
}
}
983
return event.isPrintingKey() || event.getKeyCode() == KeyEvent.KEYCODE_SPACE;
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}
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/**
* This method is called by SDL using JNI.
*/
public static Surface getNativeSurface() {
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if (SDLActivity.mSurface == null) {
return null;
}
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return SDLActivity.mSurface.getNativeSurface();
}
// Input
/**
* This method is called by SDL using JNI.
* @return an array which may be empty but is never null.