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android 获取手机屏幕高度 Android全面屏手机获取屏幕高度适配问题

时间:2018-10-31 22:46:59

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android 获取手机屏幕高度 Android全面屏手机获取屏幕高度适配问题

在做手机截屏功能的时候发现,全面屏截图和调用系统的截图不一致

经排查,是获取手机屏幕高度的值不对

getResources().getDisplayMetrics().heightPixels 在三星S8上返回的值不对,没包含系统状态栏

Stack Overflow上找到了答案

mActivity.getWindowManager().getDefaultDisplay().getRealMetrics(metrics); 用这个方法去获取的,就一直是包含状态栏的

public static int getFullActivityHeight(@Nullable Context context) {

if (!isAllScreenDevice()) {

return getScreenHeight(context);

}

return getScreenRealHeight(context);

}

private static final int PORTRAIT = 0;

private static final int LANDSCAPE = 1;

@NonNull

private volatile static Point[] mRealSizes = new Point[2];

public static int getScreenRealHeight(@Nullable Context context) {

if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {

return getScreenHeight(context);

}

int orientation = context != null

? context.getResources().getConfiguration().orientation

: AppUtils.getContext().getResources().getConfiguration().orientation;

orientation = orientation == Configuration.ORIENTATION_PORTRAIT ? PORTRAIT : LANDSCAPE;

if (mRealSizes[orientation] == null) {

WindowManager windowManager = context != null

? (WindowManager) context.getSystemService(Context.WINDOW_SERVICE)

: (WindowManager) AppUtils.getContext().getSystemService(Context.WINDOW_SERVICE);

if (windowManager == null) {

return getScreenHeight(context);

}

Display display = windowManager.getDefaultDisplay();

Point point = new Point();

display.getRealSize(point);

mRealSizes[orientation] = point;

}

return mRealSizes[orientation].y;

}

public static int getScreenHeight(@Nullable Context context) {

if (context != null) {

return context.getResources().getDisplayMetrics().heightPixels;

}

return 0;

}

private volatile static boolean mHasCheckAllScreen;

private volatile static boolean mIsAllScreenDevice;

public static boolean isAllScreenDevice() {

if (mHasCheckAllScreen) {

return mIsAllScreenDevice;

}

mHasCheckAllScreen = true;

mIsAllScreenDevice = false;

// 低于 API 21的,都不会是全面屏。。。

if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {

return false;

}

WindowManager windowManager = (WindowManager) AppUtils.getContext().getSystemService(Context.WINDOW_SERVICE);

if (windowManager != null) {

Display display = windowManager.getDefaultDisplay();

Point point = new Point();

display.getRealSize(point);

float width, height;

if (point.x < point.y) {

width = point.x;

height = point.y;

} else {

width = point.y;

height = point.x;

}

if (height / width >= 1.97f) {

mIsAllScreenDevice = true;

}

}

return mIsAllScreenDevice;

}

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