ClassiCube/android/app/src/main/java/com/classicube/MainActivity.java

859 lines
28 KiB
Java

package com.classicube;
import java.io.File;
import java.io.InputStream;
import java.lang.reflect.Method;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Queue;
import java.util.concurrent.Semaphore;
import java.util.concurrent.ConcurrentLinkedQueue;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.ClipboardManager;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.res.Configuration;
import android.graphics.PixelFormat;
import android.net.Uri;
import android.os.Bundle;
import android.os.StrictMode;
import android.provider.Settings.Secure;
import android.text.Editable;
import android.text.InputType;
import android.text.Selection;
import android.text.SpannableStringBuilder;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.Display;
import android.view.InputQueue;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.Surface;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.WindowManager;
import android.view.View;
import android.view.ViewTreeObserver.OnGlobalLayoutListener;
import android.view.Window;
import android.view.inputmethod.BaseInputConnection;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputConnection;
import android.view.inputmethod.InputMethod;
import android.view.inputmethod.InputMethodManager;
// This class contains all the glue/interop code for bridging ClassiCube to the java Android world.
// Some functionality is only available on later Android versions - try {} catch {} is used in such places
// to ensure that the game can still run on earlier Android versions (albeit with reduced functionality)
// Currently the minimum required API level to run the game is level 9 (Android 2.3).
// When using Android functionality, always aim to add a comment with the API level that the functionality
// was added in, as this will make things easier if the minimum required API level is ever changed again
// implements InputQueue.Callback
public class MainActivity extends Activity {
// ======================================
// -------------- COMMANDS --------------
// ======================================
// The main thread (which receives events) is separate from the game thread (which processes events)
// Therefore pushing/pulling events must be thread-safe, which is achieved through ConcurrentLinkedQueue
// Additionally, a cache is used (freeCmds) to avoid constantly allocating NativeCmdArgs instances
class NativeCmdArgs { public int cmd, arg1, arg2, arg3, arg4; public String str; public Surface sur; }
Queue<NativeCmdArgs> pending = new ConcurrentLinkedQueue<NativeCmdArgs>();
Queue<NativeCmdArgs> freeCmds = new ConcurrentLinkedQueue<NativeCmdArgs>();
NativeCmdArgs getCmdArgs() {
NativeCmdArgs args = freeCmds.poll();
return args != null ? args : new NativeCmdArgs();
}
void pushCmd(int cmd) {
NativeCmdArgs args = getCmdArgs();
args.cmd = cmd;
pending.add(args);
}
void pushCmd(int cmd, int a1) {
NativeCmdArgs args = getCmdArgs();
args.cmd = cmd;
args.arg1 = a1;
pending.add(args);
}
void pushCmd(int cmd, int a1, int a2, int a3, int a4) {
NativeCmdArgs args = getCmdArgs();
args.cmd = cmd;
args.arg1 = a1;
args.arg2 = a2;
args.arg3 = a3;
args.arg4 = a4;
pending.add(args);
}
void pushCmd(int cmd, String text) {
NativeCmdArgs args = getCmdArgs();
args.cmd = cmd;
args.str = text;
pending.add(args);
}
void pushCmd(int cmd, Surface surface) {
NativeCmdArgs args = getCmdArgs();
args.cmd = cmd;
args.sur = surface;
pending.add(args);
}
final static int CMD_KEY_DOWN = 0;
final static int CMD_POINTER_DOWN = 3;
final static int CMD_POINTER_UP = 4;
final static int CMD_KEY_UP = 1;
final static int CMD_KEY_CHAR = 2;
final static int CMD_KEY_TEXT = 19;
final static int CMD_POINTER_MOVE = 5;
final static int CMD_WIN_CREATED = 6;
final static int CMD_WIN_DESTROYED = 7;
final static int CMD_WIN_RESIZED = 8;
final static int CMD_WIN_REDRAW = 9;
final static int CMD_APP_START = 10;
final static int CMD_APP_STOP = 11;
final static int CMD_APP_RESUME = 12;
final static int CMD_APP_PAUSE = 13;
final static int CMD_APP_DESTROY = 14;
final static int CMD_GOT_FOCUS = 15;
final static int CMD_LOST_FOCUS = 16;
final static int CMD_CONFIG_CHANGED = 17;
final static int CMD_LOW_MEMORY = 18;
// ======================================
// --------------- EVENTS ---------------
// ======================================
static boolean gameRunning;
InputMethodManager input;
void startGameAsync() {
Log.i("CC_WIN", "handing off to native..");
try {
System.loadLibrary("classicube");
} catch (UnsatisfiedLinkError ex) {
ex.printStackTrace();
showAlertAsync("Failed to start", ex.getMessage());
return;
}
gameRunning = true;
runGameAsync();
}
void HACK_avoidFileUriExposedErrors() {
// StrictMode - API level 9
// disableDeathOnFileUriExposure - API level 24 ?????
try {
Method m = StrictMode.class.getMethod("disableDeathOnFileUriExposure");
m.invoke(null);
} catch (NoClassDefFoundError ex) {
ex.printStackTrace();
} catch (Exception ex) {
ex.printStackTrace();
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
// requestWindowFeature - API level 1
// setSoftInputMode, SOFT_INPUT_STATE_UNSPECIFIED, SOFT_INPUT_ADJUST_RESIZE - API level 3
input = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE);
Log.i("CC_WIN", "CREATE EVENT");
Window window = getWindow();
Log.i("CC_WIN", "GAME RUNNING?" + gameRunning);
//window.takeSurface(this);
//window.takeInputQueue(this);
// TODO: Should this be RGBA_8888??
window.setFormat(PixelFormat.RGBX_8888);
window.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_UNSPECIFIED | WindowManager.LayoutParams.SOFT_INPUT_ADJUST_RESIZE);
requestWindowFeature(Window.FEATURE_NO_TITLE);
// TODO: semaphore for destroyed and surfaceDestroyed
// avoid FileUriExposed exception when taking screenshots on recent Android versions
HACK_avoidFileUriExposedErrors();
if (!gameRunning) startGameAsync();
super.onCreate(savedInstanceState);
}
/*@Override
public boolean dispatchKeyEvent(KeyEvent event) {
int action = event.getAction();
int code = event.getKeyCode();
if (action == KeyEvent.ACTION_DOWN) {
pushCmd(CMD_KEY_DOWN, keyCode);
int keyChar = event.getUnicodeChar();
if (keyChar != 0) pushCmd(CMD_KEY_CHAR, keyChar);
return true;
} else if (action == KeyEvent.ACTION_UP) {
pushCmd(CMD_KEY_UP, keyCode);
return true;
}
return super.dispatchKeyEvent(event);
}*/
void pushTouch(int cmd, MotionEvent event, int i) {
// getPointerId, getX, getY - API level 5
int id = event.getPointerId(i);
// TODO: Pass float to jni
int x = (int)event.getX(i);
int y = (int)event.getY(i);
pushCmd(cmd, id, x, y, 0);
}
boolean handleTouchEvent(MotionEvent event) {
// getPointerCount - API level 5
// getActionMasked, getActionIndex - API level 8
switch (event.getActionMasked()) {
case MotionEvent.ACTION_DOWN:
case MotionEvent.ACTION_POINTER_DOWN:
pushTouch(CMD_POINTER_DOWN, event, event.getActionIndex());
break;
case MotionEvent.ACTION_UP:
case MotionEvent.ACTION_POINTER_UP:
pushTouch(CMD_POINTER_UP, event, event.getActionIndex());
break;
case MotionEvent.ACTION_MOVE:
for (int i = 0; i < event.getPointerCount(); i++) {
pushTouch(CMD_POINTER_MOVE, event, i);
}
}
return true;
}
public boolean onKeyDown(int keyCode, KeyEvent event) {
// Ignore volume keys
if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) return false;
if (keyCode == KeyEvent.KEYCODE_VOLUME_MUTE) return false;
if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) return false;
// TODO: not always handle (use Window_MapKey)
pushCmd(CMD_KEY_DOWN, keyCode);
int keyChar = event.getUnicodeChar();
if (keyChar != 0) pushCmd(CMD_KEY_CHAR, keyChar);
return true;
}
public boolean onKeyUp(int keyCode, KeyEvent event) {
// TODO: not always handle (use Window_MapKey)
pushCmd(CMD_KEY_UP, keyCode);
return true;
}
@Override
protected void onStart() {
super.onStart();
pushCmd(CMD_APP_START);
}
@Override
protected void onStop() {
super.onStop();
pushCmd(CMD_APP_STOP);
// In case game thread is blocked on showing dialog
releaseDialogSem();
}
@Override
protected void onResume() {
attachSurface();
super.onResume();
pushCmd(CMD_APP_RESUME);
}
@Override
protected void onPause() {
// setContentView - API level 1
// Can't use null.. TODO is there a better way?
setContentView(new View(this));
super.onPause();
pushCmd(CMD_APP_PAUSE);
}
@Override
public void onWindowFocusChanged(boolean hasFocus) {
super.onWindowFocusChanged(hasFocus);
pushCmd(hasFocus ? CMD_GOT_FOCUS : CMD_LOST_FOCUS);
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
//pushCmd(CMD_CONFIG_CHANGED);
// not needed because it's the surfaceChanged event that matters
}
@Override
public void onLowMemory() { super.onLowMemory(); pushCmd(CMD_LOW_MEMORY); }
@Override
public void onDestroy() {
Log.i("CC_WIN", "APP DESTROYED");
super.onDestroy();
}
// Called by the game thread to actually process events
public void processEvents() {
for (;;) {
NativeCmdArgs c = pending.poll();
if (c == null) return;
switch (c.cmd) {
case CMD_KEY_DOWN: processKeyDown(c.arg1); break;
case CMD_KEY_UP: processKeyUp(c.arg1); break;
case CMD_KEY_CHAR: processKeyChar(c.arg1); break;
case CMD_KEY_TEXT: processKeyText(c.str); break;
case CMD_POINTER_DOWN: processPointerDown(c.arg1, c.arg2, c.arg3, c.arg4); break;
case CMD_POINTER_UP: processPointerUp( c.arg1, c.arg2, c.arg3, c.arg4); break;
case CMD_POINTER_MOVE: processPointerMove(c.arg1, c.arg2, c.arg3, c.arg4); break;
case CMD_WIN_CREATED: processSurfaceCreated(c.sur); break;
case CMD_WIN_DESTROYED: processSurfaceDestroyed(); break;
case CMD_WIN_RESIZED: processSurfaceResized(c.sur); break;
case CMD_WIN_REDRAW: processSurfaceRedrawNeeded(); break;
case CMD_APP_START: processOnStart(); break;
case CMD_APP_STOP: processOnStop(); break;
case CMD_APP_RESUME: processOnResume(); break;
case CMD_APP_PAUSE: processOnPause(); break;
case CMD_APP_DESTROY: processOnDestroy(); break;
case CMD_GOT_FOCUS: processOnGotFocus(); break;
case CMD_LOST_FOCUS: processOnLostFocus(); break;
//case CMD_CONFIG_CHANGED: processOnConfigChanged(); break;
case CMD_LOW_MEMORY: processOnLowMemory(); break;
}
c.str = null;
c.sur = null; // don't keep a reference to it
freeCmds.add(c);
}
}
native void processKeyDown(int code);
native void processKeyUp(int code);
native void processKeyChar(int code);
native void processKeyText(String str);
native void processPointerDown(int id, int x, int y, int isMouse);
native void processPointerUp( int id, int x, int y, int isMouse);
native void processPointerMove(int id, int x, int y, int isMouse);
native void processSurfaceCreated(Surface sur);
native void processSurfaceDestroyed();
native void processSurfaceResized(Surface sur);
native void processSurfaceRedrawNeeded();
native void processOnStart();
native void processOnStop();
native void processOnResume();
native void processOnPause();
native void processOnDestroy();
native void processOnGotFocus();
native void processOnLostFocus();
//native void processOnConfigChanged();
native void processOnLowMemory();
native void runGameAsync();
// ======================================
// --------------- VIEWS ----------------
// ======================================
volatile boolean fullscreen;
final Semaphore winDestroyedSem = new Semaphore(0, true);
SurfaceHolder.Callback callback;
CCView curView;
// SurfaceHolder.Callback - API level 1
class CCSurfaceCallback implements SurfaceHolder.Callback {
public void surfaceCreated(SurfaceHolder holder) {
// getSurface - API level 1
Log.i("CC_WIN", "win created " + holder.getSurface());
MainActivity.this.pushCmd(CMD_WIN_CREATED, holder.getSurface());
}
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
// getSurface - API level 1
Log.i("CC_WIN", "win changed " + holder.getSurface());
MainActivity.this.pushCmd(CMD_WIN_RESIZED, holder.getSurface());
}
public void surfaceDestroyed(SurfaceHolder holder) {
// getSurface, removeCallback - API level 1
Log.i("CC_WIN", "win destroyed " + holder.getSurface());
Log.i("CC_WIN", "cur view " + curView);
holder.removeCallback(this);
//08-02 21:03:02.967: E/BufferQueueProducer(1350): [SurfaceView - com.classicube.ClassiCube/com.classicube.MainActivity#0] disconnect: not connected (req=2)
//08-02 21:03:02.968: E/SurfaceFlinger(1350): Failed to find layer (SurfaceView - com.classicube.ClassiCube/com.classicube.MainActivity#0) in layer parent (no-parent).
MainActivity.this.pushCmd(CMD_WIN_DESTROYED);
// In case game thread is blocked showing a dialog on main thread
releaseDialogSem();
// per the android docs for SurfaceHolder.Callback
// "If you have a rendering thread that directly accesses the surface, you must ensure
// that thread is no longer touching the Surface before returning from this function."
try {
winDestroyedSem.acquire();
} catch (InterruptedException e) { }
}
}
// SurfaceHolder.Callback2 - API level 9
class CCSurfaceCallback2 extends CCSurfaceCallback implements SurfaceHolder.Callback2 {
public void surfaceRedrawNeeded(SurfaceHolder holder) {
// getSurface - API level 1
Log.i("CC_WIN", "win dirty " + holder.getSurface());
MainActivity.this.pushCmd(CMD_WIN_REDRAW);
}
}
// Called by the game thread to notify the main thread
// that it is safe to destroy the window surface now
public void processedSurfaceDestroyed() { winDestroyedSem.release(); }
void createSurfaceCallback() {
if (callback != null) return;
try {
callback = new CCSurfaceCallback2();
} catch (NoClassDefFoundError ex) {
ex.printStackTrace();
callback = new CCSurfaceCallback();
}
}
void attachSurface() {
// setContentView, requestFocus, getHolder, addCallback, RGBX_8888 - API level 1
createSurfaceCallback();
curView = new CCView(this);
curView.getHolder().addCallback(callback);
curView.getHolder().setFormat(PixelFormat.RGBX_8888);
setContentView(curView);
curView.requestFocus();
if (fullscreen) setUIVisibility(FULLSCREEN_FLAGS);
}
class CCView extends SurfaceView {
SpannableStringBuilder kbText;
public CCView(Context context) {
// setFocusable, setFocusableInTouchMode - API level 1
super(context);
setFocusable(true);
setFocusableInTouchMode(true);
}
@Override
public boolean dispatchTouchEvent(MotionEvent ev) {
return MainActivity.this.handleTouchEvent(ev) || super.dispatchTouchEvent(ev);
}
@Override
public InputConnection onCreateInputConnection(EditorInfo attrs) {
// BaseInputConnection, IME_ACTION_GO, IME_FLAG_NO_EXTRACT_UI - API level 3
attrs.actionLabel = null;
attrs.inputType = MainActivity.this.getKeyboardType();
attrs.imeOptions = EditorInfo.IME_ACTION_GO | EditorInfo.IME_FLAG_NO_EXTRACT_UI;
kbText = new SpannableStringBuilder(MainActivity.this.keyboardText);
InputConnection ic = new BaseInputConnection(this, true) {
boolean inited;
void updateText() { MainActivity.this.pushCmd(CMD_KEY_TEXT, kbText.toString()); }
@Override
public Editable getEditable() {
if (!inited) {
// needed to set selection, otherwise random crashes later with backspacing
// set selection to end, so backspacing after opening keyboard with text still works
Selection.setSelection(kbText, kbText.toString().length());
inited = true;
}
return kbText;
}
@Override
public boolean setComposingText(CharSequence text, int newCursorPosition) {
boolean success = super.setComposingText(text, newCursorPosition);
updateText();
return success;
}
@Override
public boolean deleteSurroundingText(int beforeLength, int afterLength) {
boolean success = super.deleteSurroundingText(beforeLength, afterLength);
updateText();
return success;
}
@Override
public boolean commitText(CharSequence text, int newCursorPosition) {
boolean success = super.commitText(text, newCursorPosition);
updateText();
return success;
}
@Override
public boolean sendKeyEvent(KeyEvent ev) {
// getSelectionStart - API level 1
if (ev.getAction() != KeyEvent.ACTION_DOWN) return super.sendKeyEvent(ev);
int code = ev.getKeyCode();
int uni = ev.getUnicodeChar();
// start is -1 sometimes, and trying to insert/delete there crashes
int start = Selection.getSelectionStart(kbText);
if (start == -1) start = kbText.toString().length();
if (code == KeyEvent.KEYCODE_ENTER) {
// enter maps to \n but that should not be intercepted
} else if (code == KeyEvent.KEYCODE_DEL) {
if (start <= 0) return false;
kbText.delete(start - 1, start);
updateText();
return false;
} else if (uni != 0) {
kbText.insert(start, String.valueOf((char)uni));
updateText();
return false;
}
return super.sendKeyEvent(ev);
}
};
//String text = MainActivity.this.keyboardText;
//if (text != null) ic.setComposingText(text, 0);
return ic;
}
}
// ======================================
// -------------- PLATFORM --------------
// ======================================
// Implements java Android side of the Android Platform backend (See Platform.c)
public void setupForGame() {
// Once a surface has been locked for drawing with canvas, can't ever be detached
// This means trying to attach an OpenGL ES context to the surface will fail
// So just destroy the current surface and make a new one
runOnUiThread(new Runnable() {
public void run() {
attachSurface();
}
});
}
public void startOpen(String url) {
// ACTION_VIEW, resolveActivity, getPackageManager, startActivity - API level 1
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
if (intent.resolveActivity(getPackageManager()) != null) {
startActivity(intent);
}
}
public String getExternalAppDir() {
// getExternalFilesDir - API level 8
return getExternalFilesDir(null).getAbsolutePath();
}
public String getUUID() {
// getContentResolver - API level 1
// getString, ANDROID_ID - API level 3
return Secure.getString(getContentResolver(), Secure.ANDROID_ID);
}
public long getApkUpdateTime() {
try {
// getApplicationInfo - API level 4
ApplicationInfo info = getApplicationInfo();
File apkFile = new File(info.sourceDir);
// https://developer.android.com/reference/java/io/File#lastModified()
// lastModified is returned in milliseconds
return apkFile.lastModified() / 1000;
} catch (Exception ex) {
return 0;
}
}
// ======================================
// --------------- WINDOW ---------------
// ======================================
// Implements java Android side of the Android Window backend (See Window.c)
volatile int keyboardType;
volatile String keyboardText = "";
// setTitle - API level 1
public void setWindowTitle(String str) { setTitle(str); }
public void openKeyboard(String text, int type) {
// restartInput, showSoftInput - API level 3
keyboardType = type;
keyboardText = text;
//runOnUiThread(new Runnable() {
//public void run() {
// Restart view so it uses the right INPUT_TYPE
if (curView != null) input.restartInput(curView);
if (curView != null) input.showSoftInput(curView, 0);
//}
//});
}
public void closeKeyboard() {
// InputMethodManager, hideSoftInputFromWindow - API level 3
// getWindow, getDecorView, getWindowToken - API level 1
InputMethodManager input = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE);
View view = getWindow().getDecorView();
input.hideSoftInputFromWindow(view.getWindowToken(), 0);
keyboardText = "";
//runOnUiThread(new Runnable() {
//public void run() {
if (curView != null) input.hideSoftInputFromWindow(curView.getWindowToken(), 0);
//}
//});
}
public void setKeyboardText(String text) {
keyboardText = text;
// Restart view because text changed externally
if (curView == null) return;
// Try to avoid restarting input if possible
if (curView.kbText != null) {
String curText = curView.kbText.toString();
if (text.equals(curText)) return;
}
// Have to restart input because text changed externally
// NOTE: Doing this still has issues, like changing keyboard tab back to default one,
// and one user has a problem where it also resets letters to uppercase
// TODO: Consider just doing kbText.replace instead
// (see https://chromium.googlesource.com/chromium/src/+/d1421a5faf9dc2d3b3cad10640576b24a092d9ba/content/public/android/java/src/org/chromium/content/browser/input/AdapterInputConnection.java)
input.restartInput(curView);
}
public int getKeyboardType() {
// TYPE_CLASS_TEXT, TYPE_CLASS_NUMBER, TYPE_TEXT_VARIATION_PASSWORD - API level 3
if (keyboardType == 2) return InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD;
if (keyboardType == 1) return InputType.TYPE_CLASS_NUMBER;
return InputType.TYPE_CLASS_TEXT;
}
public String getClipboardText() {
// ClipboardManager, getText() - API level 11
ClipboardManager clipboard = (ClipboardManager)getSystemService(Context.CLIPBOARD_SERVICE);
CharSequence chars = clipboard.getText();
return chars == null ? null : chars.toString();
}
public void setClipboardText(String str) {
// ClipboardManager, setText() - API level 11
ClipboardManager clipboard = (ClipboardManager)getSystemService(Context.CLIPBOARD_SERVICE);
clipboard.setText(str);
}
DisplayMetrics getMetrics() {
// getDefaultDisplay, getMetrics - API level 1
DisplayMetrics dm = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(dm);
return dm;
}
// Using raw DPI gives values such as 1.86, 3.47, 1.62.. not exactly ideal
// One device also gave differing x/y DPI which stuffs up the movement overlay
public float getDpiX() { return getMetrics().density; }
public float getDpiY() { return getMetrics().density; }
final Semaphore dialogSem = new Semaphore(0, true);
void releaseDialogSem() {
// Only release when no free permits (otherwise showAlert doesn't block when called)
if (dialogSem.availablePermits() > 0) return;
dialogSem.release();
}
void showAlertAsync(final String title, final String message) {
//final Activity activity = this;
// setTitle, setMessage, setPositiveButton, setCancelable, create, show - API level 1
runOnUiThread(new Runnable() {
public void run() {
AlertDialog.Builder dlg = new AlertDialog.Builder(MainActivity.this);
dlg.setTitle(title);
dlg.setMessage(message);
dlg.setPositiveButton("Close", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) { releaseDialogSem(); }
});
dlg.setCancelable(false);
dlg.create().show();
}
});
}
public void showAlert(final String title, final String message) {
showAlertAsync(title, message);
try {
dialogSem.acquire(); // Block game thread
} catch (InterruptedException e) { }
}
public int getWindowState() { return fullscreen ? 1 : 0; }
// SYSTEM_UI_FLAG_HIDE_NAVIGATION - API level 14
// SYSTEM_UI_FLAG_FULLSCREEN - API level 16
// SYSTEM_UI_FLAG_IMMERSIVE_STICKY - API level 19
final static int FULLSCREEN_FLAGS = View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
void setUIVisibility(int flags) {
if (curView == null) return;
// setSystemUiVisibility - API level 11
try {
curView.setSystemUiVisibility(flags);
} catch (NoSuchMethodError ex) {
ex.printStackTrace();
}
}
public void enterFullscreen() {
fullscreen = true;
runOnUiThread(new Runnable() {
public void run() { setUIVisibility(FULLSCREEN_FLAGS); }
});
}
public void exitFullscreen() {
fullscreen = false;
runOnUiThread(new Runnable() {
public void run() { setUIVisibility(View.SYSTEM_UI_FLAG_VISIBLE); }
});
}
public String shareScreenshot(String path) {
try {
File file = new File(getExternalAppDir() + "/screenshots/" + path);
Intent intent = new Intent();
intent.setAction(Intent.ACTION_SEND);
intent.putExtra(Intent.EXTRA_STREAM, Uri.fromFile(file));
intent.setType("image/png");
intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
startActivity(Intent.createChooser(intent, "share via"));
} catch (Exception ex) {
return ex.toString();
}
return "";
}
// ======================================
// ---------------- HTTP ----------------
// ======================================
// Implements java Android side of the Android HTTP backend (See Http.c)
HttpURLConnection conn;
InputStream src;
byte[] readCache = new byte[8192];
public int httpInit(String url, String method) {
try {
conn = (HttpURLConnection)new URL(url).openConnection();
conn.setDoInput(true);
conn.setRequestMethod(method);
conn.setInstanceFollowRedirects(true);
return 0;
} catch (Exception ex) {
return httpOnError(ex);
}
}
public void httpSetHeader(String name, String value) {
conn.setRequestProperty(name, value);
}
public int httpSetData(byte[] data) {
try {
conn.setDoOutput(true);
conn.getOutputStream().write(data);
conn.getOutputStream().flush();
return 0;
} catch (Exception ex) {
return httpOnError(ex);
}
}
public int httpPerform() {
int len;
try {
conn.connect();
// Some implementations also provide this as getHeaderField(0), but some don't
httpParseHeader("HTTP/1.1 " + conn.getResponseCode() + " MSG");
// Legitimate webservers aren't going to reply with over 200 headers
for (int i = 0; i < 200; i++) {
String key = conn.getHeaderFieldKey(i);
String val = conn.getHeaderField(i);
if (key == null && val == null) break;
if (key == null) {
httpParseHeader(val);
} else {
httpParseHeader(key + ":" + val);
}
}
src = conn.getInputStream();
while ((len = src.read(readCache)) > 0) {
httpAppendData(readCache, len);
}
httpFinish();
return 0;
} catch (Exception ex) {
return httpOnError(ex);
}
}
void httpFinish() {
conn = null;
try {
src.close();
} catch (Exception ex) { }
src = null;
}
// TODO: Should we prune this list?
List<String> errors = new ArrayList<String>();
int httpOnError(Exception ex) {
ex.printStackTrace();
httpFinish();
errors.add(ex.getMessage());
return -errors.size(); // don't want 0 as an error code
}
public String httpDescribeError(int res) {
res = -res - 1;
return res >= 0 && res < errors.size() ? errors.get(res) : null;
}
native void httpParseHeader(String header);
native void httpAppendData(byte[] data, int len);
}