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Adds Input Focus handling on Android to improve pausing/resuming behavior

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Ref: http://android-developers.blogspot.com/2011/11/making-android-games-that-play-nice.html
This commit is contained in:
Gabriel Jacobo 2013-07-09 10:25:16 -03:00
parent 7afed3e5ae
commit b2d7f92773
1 changed files with 14 additions and 2 deletions
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16
android-project/src/org/libsdl/app/SDLActivity.java
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@ -28,7 +28,7 @@ public class SDLActivity extends Activity {
private static final String TAG = "SDL"; private static final String TAG = "SDL";
// Keep track of the paused state // Keep track of the paused state
public static boolean mIsPaused = false, mIsSurfaceReady = false; public static boolean mIsPaused = false, mIsSurfaceReady = false, mHasFocus = true;
// Main components // Main components
protected static SDLActivity mSingleton; protected static SDLActivity mSingleton;
@ -94,6 +94,18 @@ public class SDLActivity extends Activity {
SDLActivity.handleResume(); SDLActivity.handleResume();
} }
@Override
public void onWindowFocusChanged(boolean hasFocus) {
super.onWindowFocusChanged(hasFocus);
Log.v("SDL", "onWindowFocusChanged(): " + hasFocus);
SDLActivity.mHasFocus = hasFocus;
if (hasFocus) {
SDLActivity.handleResume();
}
}
@Override @Override
public void onLowMemory() { public void onLowMemory() {
Log.v("SDL", "onLowMemory()"); Log.v("SDL", "onLowMemory()");
@ -139,7 +151,7 @@ public class SDLActivity extends Activity {
* every time we get one of those events, only if it comes after surfaceDestroyed * every time we get one of those events, only if it comes after surfaceDestroyed
*/ */
public static void handleResume() { public static void handleResume() {
if (SDLActivity.mIsPaused && SDLActivity.mIsSurfaceReady) { if (SDLActivity.mIsPaused && SDLActivity.mIsSurfaceReady && SDLActivity.mHasFocus) {
SDLActivity.mIsPaused = false; SDLActivity.mIsPaused = false;
SDLActivity.nativeResume(); SDLActivity.nativeResume();
mSurface.enableSensor(Sensor.TYPE_ACCELEROMETER, true); mSurface.enableSensor(Sensor.TYPE_ACCELEROMETER, true);