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Android get the display Density

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Sylvain 2023-01-25 14:55:50 +01:00 • committed by Sam Lantinga
parent 6a27188023
commit 73dc327c84
5 changed files with 13 additions and 9 deletions
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4
android-project/app/src/main/java/org/libsdl/app/SDLActivity.java
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@ -311,7 +311,7 @@ public class SDLActivity extends Activity implements View.OnSystemUiVisibilityCh
mNextNativeState = NativeState.INIT;
mCurrentNativeState = NativeState.INIT;
}
protected SDLSurface createSDLSurface(Context context) {
return new SDLSurface(context);
}
@ -909,7 +909,7 @@ public class SDLActivity extends Activity implements View.OnSystemUiVisibilityCh
public static native void nativeResume();
public static native void nativeFocusChanged(boolean hasFocus);
public static native void onNativeDropFile(String filename);
public static native void nativeSetScreenResolution(int surfaceWidth, int surfaceHeight, int deviceWidth, int deviceHeight, float rate);
public static native void nativeSetScreenResolution(int surfaceWidth, int surfaceHeight, int deviceWidth, int deviceHeight, float density, float rate);
public static native void onNativeResize();
public static native void onNativeKeyDown(int keycode);
public static native void onNativeKeyUp(int keycode);

4
android-project/app/src/main/java/org/libsdl/app/SDLSurface.java
View file

@ -114,6 +114,7 @@ public class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
mHeight = height;
int nDeviceWidth = width;
int nDeviceHeight = height;
float density = 1.0f;
try
{
if (Build.VERSION.SDK_INT >= 17) {
@ -121,6 +122,7 @@ public class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
mDisplay.getRealMetrics( realMetrics );
nDeviceWidth = realMetrics.widthPixels;
nDeviceHeight = realMetrics.heightPixels;
density = realMetrics.density;
}
} catch(Exception ignored) {
}
@ -132,7 +134,7 @@ public class SDLSurface extends SurfaceView implements SurfaceHolder.Callback,
Log.v("SDL", "Window size: " + width + "x" + height);
Log.v("SDL", "Device size: " + nDeviceWidth + "x" + nDeviceHeight);
SDLActivity.nativeSetScreenResolution(width, height, nDeviceWidth, nDeviceHeight, mDisplay.getRefreshRate());
SDLActivity.nativeSetScreenResolution(width, height, nDeviceWidth, nDeviceHeight, density, mDisplay.getRefreshRate());
SDLActivity.onNativeResize();
// Prevent a screen distortion glitch,