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;
}
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;
}
-----------------------------------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 ;
}
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 );
}
----------------------------
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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