公司项目中使用了popWindow，并且需求指明了popWindow必须是和Activity类似的全屏模式，并且从页面底部弹出！
当popWindow所有设计完毕后，从底部弹出popWindow,发现设置在popWindow的上的titlebar一部分被压入状态栏的底部了，也就是说全屏是全屏了，但是超过了应有的部分！
解决方案：
为了达到良好的兼容性，我们可以如下变现代码
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/**
* 用于获取状态栏的高度。
*
* @return 返回状态栏高度的像素值。
*/
private
int
getStatusBarHeight() {
int
statusBarHeight =
0
;
try
{
Class<?> c = Class.forName(
"com.android.internal.R$dimen"
);
Object o = c.newInstance();
Field field = c.getField(
"status_bar_height"
);
int
x = (Integer) field.get(o);
statusBarHeight = getResources().getDimensionPixelSize(x);
}
catch
(Exception e) {
e.printStackTrace();
Rect frame =
new
Rect();
getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);
statusBarHeight = frame.top;
}
return
statusBarHeight;
}
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还可以使用Resource对象获取（推荐这种方式）
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private
int
getStatusBarHeight() {
int
result =
0
;
int
resourceId = getResources().getIdentifier(
"status_bar_height"
,
"dimen"
,
"android"
);
if
(resourceId >
0
) {
result = res.getDimensionPixelSize(resourceId);
}
return
result;
}
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-----------------------------------2015-01-29 更新--------------------------------------
公司有测试人员发现，FlymeOS4.x/Android4.4.4出现 了问题，让人一头雾水，因此，这里把问题再次改正一下，目前Android4.4.4的系统不多，只检测到魅族的FlymeOS4.x有问题，所以对FlymeOS着重处理一下。
手写判断是否是Flyme OsS 4.x.x
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private
boolean
isFlymeOs4x()
{
String sysVersion = android.os.Build.VERSION.RELEASE;
if
(
"4.4.4"
.equals(sysVersion))
{
String sysIncrement = android.os.Build.VERSION.INCREMENTAL;
String displayId = android.os.Build.DISPLAY;
if
(!TextUtils.isEmpty(sysIncrement))
{
return
sysIncrement.contains(
"Flyme_OS_4"
);
}
else
{
return
displayId.contains(
"Flyme OS 4"
);
}
}
return
false
;
}
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然后PopWindow改为
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int
statusBarHeight = getStatusBarHeight();
if
(isFlymeOs4x())
{
searchFlightListWindow.setHeight(screenMetrics.heightPixels-statusBarHeight*
2
);
//至于这里为什么乘以2，我只能说，除了鬼鬼们，只有魅族自己知道，我是发现获得的StatusBarHeight偏小，所以乘以2，实践检验是正确的，但也很无语
searchFlightListWindow.showAtLocation(findViewById(R.id.main), Gravity.BOTTOM,
0
,
0
);
}
else
{
searchFlightListWindow.setHeight(screenMetrics.heightPixels-statusBarHeight);
searchFlightListWindow.showAtLocation(findViewById(R.id.main), Gravity.BOTTOM,
0
,
0
);
}
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----------------------------
View contentView = getWindow().getDecorView().findViewById(android.R.id.content);
View contentView = getWindow().getDecorView().getChildAt(0);
View titleView = findViewById(Window.ID_ANDROID_CONTENT);
-------------------------2015-05-05更新，沉浸式状态栏---------------------------------
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public
class
SystemBarTintManager {
/**
* The default system bar tint color value.
*/
public
static
final
int
DEFAULT_TINT_COLOR =
0x99000000
;
private
final
SystemBarConfig mConfig;
private
boolean
mStatusBarAvailable;
private
boolean
mNavBarAvailable;
private
boolean
mStatusBarTintEnabled;
private
boolean
mNavBarTintEnabled;
private
View mStatusBarTintView;
private
View mNavBarTintView;
private
static
boolean
sIsMiuiV6;
private
static
String sNavBarOverride =
null
;
static
{
Method methodGetter =
null
;
try
{
Class<?> sysClass = Class.forName(
"android.os.SystemProperties"
);
methodGetter = sysClass.getDeclaredMethod(
"get"
, String.
class
);
sIsMiuiV6 =
"V6"
.equals((String) methodGetter.invoke(sysClass,
"ro.miui.ui.version.name"
));
}
catch
(Exception e) {
e.printStackTrace();
}
finally
{
if
(methodGetter!=
null
)
{
try
{
sNavBarOverride = (String) methodGetter.invoke(
null
,
"qemu.hw.mainkeys"
);
}
catch
(Exception e) {
e.printStackTrace();
sNavBarOverride =
null
;
}
}
}
}
/**
* @param activity The host activity.
*/
@TargetApi
(
19
)
public
SystemBarTintManager(Activity activity) {
Window win = activity.getWindow();
ViewGroup decorViewGroup = (ViewGroup) win.getDecorView();
if
(Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
// check theme attrs
int
[] attrs = {android.R.attr.windowTranslucentStatus,android.R.attr.windowTranslucentNavigation};
TypedArray a = activity.obtainStyledAttributes(attrs);
try
{
mStatusBarAvailable = a.getBoolean(
0
,
false
);
mNavBarAvailable = a.getBoolean(
1
,
false
);
}
finally
{
a.recycle();
}
// check window flags
WindowManager.LayoutParams winParams = win.getAttributes();
int
bits = WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS;
if
((winParams.flags & bits) !=
0
) {
mStatusBarAvailable =
true
;
}
bits = WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION;
if
((winParams.flags & bits) !=
0
) {
mNavBarAvailable =
true
;
}
}
mConfig =
new
SystemBarConfig(activity, mStatusBarAvailable, mNavBarAvailable);
// device might not have virtual navigation keys
if
(!mConfig.hasNavigtionBar()) {
mNavBarAvailable =
false
;
}
if
(mStatusBarAvailable) {
setupStatusBarView(activity, decorViewGroup);
}
if
(mNavBarAvailable) {
setupNavBarView(activity, decorViewGroup);
}
}
/**
* Enable tinting of the system status bar.
*
* @param enabled True to enable tinting, false to disable it (default).
*/
public
void
setStatusBarTintEnabled(
boolean
enabled) {
mStatusBarTintEnabled = enabled;
if
(mStatusBarAvailable) {
mStatusBarTintView.setVisibility(enabled ? View.VISIBLE : View.GONE);
}
}
/**
* set status bar darkmode
* @param darkmode
* @param activity
*/
public
void
setStatusBarDarkMode(
boolean
darkmode, Activity activity) {
if
(sIsMiuiV6) {
Class<?
extends
Window> clazz = activity.getWindow().getClass();
try
{
int
darkModeFlag =
0
;
Class<?> layoutParams = Class.forName(
"android.view.MiuiWindowManager$LayoutParams"
);
Field field = layoutParams.getField(
"EXTRA_FLAG_STATUS_BAR_DARK_MODE"
);
darkModeFlag = field.getInt(layoutParams);
Method extraFlagField = clazz.getMethod(
"setExtraFlags"
,
int
.
class
,
int
.
class
);
extraFlagField.invoke(activity.getWindow(), darkmode ? darkModeFlag :
0
, darkModeFlag);
}
catch
(Exception e) {
e.printStackTrace();
}
}
}
/**
* Enable tinting of the system navigation bar.
* @param enabled True to enable tinting, false to disable it (default).
*/
public
void
setNavigationBarTintEnabled(
boolean
enabled) {
mNavBarTintEnabled = enabled;
if
(mNavBarAvailable) {
mNavBarTintView.setVisibility(enabled ? View.VISIBLE : View.GONE);
}
}
/**
* Apply the specified color tint to all system UI bars.
*
* @param color The color of the background tint.
*/
public
void
setTintColor(
int
color) {
setStatusBarTintColor(color);
setNavigationBarTintColor(color);
}
/**
* Apply the specified drawable or color resource to all system UI bars.
*
* @param res The identifier of the resource.
*/
public
void
setTintResource(
int
res) {
setStatusBarTintResource(res);
setNavigationBarTintResource(res);
}
/**
* Apply the specified drawable to all system UI bars.
*
* @param drawable The drawable to use as the background, or null to remove it.
*/
public
void
setTintDrawable(Drawable drawable) {
setStatusBarTintDrawable(drawable);
setNavigationBarTintDrawable(drawable);
}
/**
* Apply the specified alpha to all system UI bars.
*
* @param alpha The alpha to use
*/
public
void
setTintAlpha(
float
alpha) {
setStatusBarAlpha(alpha);
setNavigationBarAlpha(alpha);
}
/**
* Apply the specified color tint to the system status bar.
*
* @param color The color of the background tint.
*/
public
void
setStatusBarTintColor(
int
color) {
if
(mStatusBarAvailable) {
mStatusBarTintView.setBackgroundColor(color);
}
}
/**
* Apply the specified drawable or color resource to the system status bar.
*
* @param res The identifier of the resource.
*/
public
void
setStatusBarTintResource(
int
res) {
if
(mStatusBarAvailable) {
mStatusBarTintView.setBackgroundResource(res);
}
}
/**
* Apply the specified drawable to the system status bar.
*
* @param drawable The drawable to use as the background, or null to remove it.
*/
@SuppressWarnings
(
"deprecation"
)
public
void
setStatusBarTintDrawable(Drawable drawable) {
if
(mStatusBarAvailable) {
mStatusBarTintView.setBackgroundDrawable(drawable);
}
}
/**
* Apply the specified alpha to the system status bar.
*
* @param alpha The alpha to use
*/
@TargetApi
(
11
)
public
void
setStatusBarAlpha(
float
alpha) {
if
(mStatusBarAvailable && Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
mStatusBarTintView.setAlpha(alpha);
}
}
/**
* Apply the specified color tint to the system navigation bar.
*
* @param color The color of the background tint.
*/
public
void
setNavigationBarTintColor(
int
color) {
if
(mNavBarAvailable) {
mNavBarTintView.setBackgroundColor(color);
}
}
/**
* Apply the specified drawable or color resource to the system navigation bar.
*
* @param res The identifier of the resource.
*/
public
void
setNavigationBarTintResource(
int
res) {
if
(mNavBarAvailable) {
mNavBarTintView.setBackgroundResource(res);
}
}
/**
* Apply the specified drawable to the system navigation bar.
*
* @param drawable The drawable to use as the background, or null to remove it.
*/
@SuppressWarnings
(
"deprecation"
)
public
void
setNavigationBarTintDrawable(Drawable drawable) {
if
(mNavBarAvailable) {
mNavBarTintView.setBackgroundDrawable(drawable);
}
}
/**
* Apply the specified alpha to the system navigation bar.
*
* @param alpha The alpha to use
*/
@TargetApi
(
11
)
public
void
setNavigationBarAlpha(
float
alpha) {
if
(mNavBarAvailable && Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
mNavBarTintView.setAlpha(alpha);
}
}
/**
* Get the system bar configuration.
* @return The system bar configuration for the current device configuration.
*/
public
SystemBarConfig getConfig() {
return
mConfig;
}
/**
* Is tinting enabled for the system status bar?
* @return True if enabled, False otherwise.
*/
public
boolean
isStatusBarTintEnabled() {
return
mStatusBarTintEnabled;
}
/**
* Is tinting enabled for the system navigation bar?
* @return True if enabled, False otherwise.
*/
public
boolean
isNavBarTintEnabled() {
return
mNavBarTintEnabled;
}
private
void
setupStatusBarView(Context context, ViewGroup decorViewGroup) {
mStatusBarTintView =
new
View(context);
LayoutParams params =
new
LayoutParams(LayoutParams.MATCH_PARENT, mConfig.getStatusBarHeight());
params.gravity = Gravity.TOP;
if
(mNavBarAvailable && !mConfig.isNavigationAtBottom()) {
params.rightMargin = mConfig.getNavigationBarWidth();
}
mStatusBarTintView.setLayoutParams(params);
mStatusBarTintView.setBackgroundColor(DEFAULT_TINT_COLOR);
mStatusBarTintView.setVisibility(View.GONE);
decorViewGroup.addView(mStatusBarTintView);
}
private
void
setupNavBarView(Context context, ViewGroup decorViewGroup) {
mNavBarTintView =
new
View(context);
LayoutParams params;
if
(mConfig.isNavigationAtBottom()) {
params =
new
LayoutParams(LayoutParams.MATCH_PARENT, mConfig.getNavigationBarHeight());
params.gravity = Gravity.BOTTOM;
}
else
{
params =
new
LayoutParams(mConfig.getNavigationBarWidth(), LayoutParams.MATCH_PARENT);
params.gravity = Gravity.RIGHT;
}
mNavBarTintView.setLayoutParams(params);
mNavBarTintView.setBackgroundColor(DEFAULT_TINT_COLOR);
mNavBarTintView.setVisibility(View.GONE);
decorViewGroup.addView(mNavBarTintView);
}
/**
* Class which describes system bar sizing and other characteristics for the current
* device configuration.
*
*/
public
static
class
SystemBarConfig {
private
static
final
String STATUS_BAR_HEIGHT_RES_NAME =
"status_bar_height"
;
private
static
final
String NAV_BAR_HEIGHT_RES_NAME =
"navigation_bar_height"
;
private
static
final
String NAV_BAR_HEIGHT_LANDSCAPE_RES_NAME =
"navigation_bar_height_landscape"
;
private
static
final
String NAV_BAR_WIDTH_RES_NAME =
"navigation_bar_width"
;
private
static
final
String SHOW_NAV_BAR_RES_NAME =
"config_showNavigationBar"
;
private
final
boolean
mTranslucentStatusBar;
private
final
boolean
mTranslucentNavBar;
private
final
int
mStatusBarHeight;
private
final
int
mActionBarHeight;
private
final
boolean
mHasNavigationBar;
private
final
int
mNavigationBarHeight;
private
final
int
mNavigationBarWidth;
private
final
boolean
mInPortrait;
private
final
float
mSmallestWidthDp;
private
SystemBarConfig(Activity activity,
boolean
translucentStatusBar,
boolean
traslucentNavBar) {
Resources res = activity.getResources();
mInPortrait = (res.getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT);
mSmallestWidthDp = getSmallestWidthDp(activity);
mStatusBarHeight = getInternalDimensionSize(res, STATUS_BAR_HEIGHT_RES_NAME);
mActionBarHeight = getActionBarHeight(activity);
mNavigationBarHeight = getNavigationBarHeight(activity);
mNavigationBarWidth = getNavigationBarWidth(activity);
mHasNavigationBar = (mNavigationBarHeight >
0
);
mTranslucentStatusBar = translucentStatusBar;
mTranslucentNavBar = traslucentNavBar;
}
@TargetApi
(
14
)
private
int
getActionBarHeight(Context context) {
int
result =
0
;
if
(Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
TypedValue tv =
new
TypedValue();
context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv,
true
);
result = context.getResources().getDimensionPixelSize(tv.resourceId);
}
return
result;
}
@TargetApi
(
14
)
private
int
getNavigationBarHeight(Context context) {
Resources res = context.getResources();
int
result =
0
;
if
(Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
if
(!hasNavBar(context)) {
String key;
if
(mInPortrait) {
key = NAV_BAR_HEIGHT_RES_NAME;
}
else
{
key = NAV_BAR_HEIGHT_LANDSCAPE_RES_NAME;
}
return
getInternalDimensionSize(res, key);
}
}
return
result;
}
@TargetApi
(
14
)
private
int
getNavigationBarWidth(Context context) {
Resources res = context.getResources();
int
result =
0
;
if
(Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
if
(!hasNavBar(context))
{
return
getInternalDimensionSize(res, NAV_BAR_WIDTH_RES_NAME);
}
}
return
result;
}
private
int
getInternalDimensionSize(Resources res, String key) {
int
result =
0
;
int
resourceId = res.getIdentifier(key,
"dimen"
,
"android"
);
if
(resourceId >
0
) {
result = res.getDimensionPixelSize(resourceId);
}
return
result;
}
@SuppressLint
(
"NewApi"
)
private
float
getSmallestWidthDp(Activity activity) {
DisplayMetrics metrics =
new
DisplayMetrics();
if
(Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
activity.getWindowManager().getDefaultDisplay().getRealMetrics(metrics);
}
else
{
// TODO this is not correct, but we don't really care pre-kitkat
activity.getWindowManager().getDefaultDisplay().getMetrics(metrics);
}
float
widthDp = metrics.widthPixels / metrics.density;
float
heightDp = metrics.heightPixels / metrics.density;
return
Math.min(widthDp, heightDp);
}
/**
* Should a navigation bar appear at the bottom of the screen in the current
* device configuration? A navigation bar may appear on the right side of
* the screen in certain configurations.
*
* @return True if navigation should appear at the bottom of the screen, False otherwise.
*/
public
boolean
isNavigationAtBottom() {
return
(mSmallestWidthDp >=
600
|| mInPortrait);
}
/**
* Get the height of the system status bar.
*
* @return The height of the status bar (in pixels).
*/
public
int
getStatusBarHeight() {
return
mStatusBarHeight;
}
/**
* Get the height of the action bar.
*
* @return The height of the action bar (in pixels).
*/
public
int
getActionBarHeight() {
return
mActionBarHeight;
}
/**
* Does this device have a system navigation bar?
*
* @return True if this device uses soft key navigation, False otherwise.
*/
public
boolean
hasNavigtionBar() {
return
mHasNavigationBar;
}
/**
* Get the height of the system navigation bar.
*
* @return The height of the navigation bar (in pixels). If the device does not have
* soft navigation keys, this will always return 0.
*/
public
int
getNavigationBarHeight() {
return
mNavigationBarHeight;
}
/**
* Get the width of the system navigation bar when it is placed vertically on the screen.
*
* @return The width of the navigation bar (in pixels). If the device does not have
* soft navigation keys, this will always return 0.
*/
public
int
getNavigationBarWidth() {
return
mNavigationBarWidth;
}
/**
* Get the layout inset for any system UI that appears at the top of the screen.
*
* @param withActionBar True to include the height of the action bar, False otherwise.
* @return The layout inset (in pixels).
*/
public
int
getPixelInsetTop(
boolean
withActionBar) {
return
(mTranslucentStatusBar ? mStatusBarHeight :
0
) + (withActionBar ? mActionBarHeight :
0
);
}
/**
* Get the layout inset for any system UI that appears at the bottom of the screen.
*
* @return The layout inset (in pixels).
*/
public
int
getPixelInsetBottom() {
if
(mTranslucentNavBar && isNavigationAtBottom()) {
return
mNavigationBarHeight;
}
else
{
return
0
;
}
}
/**
* Get the layout inset for any system UI that appears at the right of the screen.
*
* @return The layout inset (in pixels).
*/
public
int
getPixelInsetRight() {
if
(mTranslucentNavBar && !isNavigationAtBottom()) {
return
mNavigationBarWidth;
}
else
{
return
0
;
}
}
private
boolean
hasNavBar(Context context) {
Resources res = context.getResources();
int
resourceId = res.getIdentifier(SHOW_NAV_BAR_RES_NAME,
"bool"
,
"android"
);
if
(resourceId !=
0
) {
boolean
hasNav = res.getBoolean(resourceId);
// check override flag (see static block)
if
(
"1"
.equals(sNavBarOverride)) {
hasNav =
false
;
}
else
if
(
"0"
.equals(sNavBarOverride)) {
hasNav =
true
;
}
return
hasNav;
}
else
{
// fallback
return
!hasPermanentMenuKey(context);
}
}
private
boolean
hasPermanentMenuKey(Context cxt) {
try
{
WindowManager wm = (WindowManager) cxt.getSystemService(Context.WINDOW_SERVICE);
ViewConfiguration config = ViewConfiguration.get(cxt);
Field menuKeyField = ViewConfiguration.
class
.getDeclaredField(
"sHasPermanentMenuKey"
);
if
(menuKeyField !=
null
) {
menuKeyField.setAccessible(
true
);
return
menuKeyField.getBoolean(config);
}
}
catch
(Exception e) {
e.printStackTrace();
}
return
false
;
}
}
}
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