Android状态栏工具类
基本上每个APP的状态栏都设置为了沉浸式状态栏，在这里我集合了一个状态栏工具类，基本上能适合大部分APP的设置，支持4.4以上状态栏的颜色设置，6.0及以上以及6.0以下部分小米和魅族手机可以设置为白底黑字，所以我在这里分享出来，一来为自己做下记录，二来希望能够帮助他人。好了，下面贴下代码，在代码中都有较为详细的注释了，这里就不啰嗦那么多了。
StatusBarUtil
public class StatusBarUtil
{
/**
* 修改状态栏为全透明
*
* @param activity
*/
public static void transparencyBar(Activity activity)
{
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
{
Window window = activity.getWindow();
window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
window.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
window.setStatusBarColor(Color.TRANSPARENT);
}
else if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT)
{
Window window = activity.getWindow();
window.setFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS, WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
}
}
/**
* 透明状态栏和导航栏
*
* @param activity
*/
public static void transparencyStatusBarAndNavigationBar(Activity activity)
{
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT)
{
//透明状态栏
activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
//透明导航栏
activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
}
}
/**
* 生成虚拟状态栏
*
* @param activity
* @param color 背景颜色
* @param alpha 透明度
*/
public static TextView createView(Activity activity, @ColorInt int color, float alpha)
{
TextView textView = new TextView(activity);
textView.setBackgroundColor(color);
textView.setAlpha(alpha);
textView.setId(getId());
RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, getStatusBarHeight(activity));
textView.setLayoutParams(layoutParams);
return textView;
}
public static int getId()
{
return R.id.statusbarutil_fake_status_bar_view;
}
/**
* 添加状态栏
*
* @param activity
* @param color 背景颜色
* @param alpha 透明度
*/
public static void addStatusBarViewAlpha(Activity activity, @ColorInt int color, float alpha)
{
transparencyBar(activity);
TextView textView = new TextView(activity);
textView.setBackgroundColor(color);
textView.setAlpha(alpha);
textView.setId(getId());
RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, getStatusBarHeight(activity));
textView.setLayoutParams(layoutParams);
ViewGroup decorView = (ViewGroup)activity.getWindow().getDecorView();
decorView.addView(textView);
}
/**
* 添加状态栏
*
* @param activity
* @param color 背景颜色
* @param alpha 透明度
*/
public static void addStatusBarView(Activity activity, @ColorInt int color, int alpha)
{
transparencyBar(activity);
TextView textView = new TextView(activity);
textView.setBackgroundColor(calculateStatusColor(color, alpha));
textView.setId(getId());
RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, getStatusBarHeight(activity));
textView.setLayoutParams(layoutParams);
ViewGroup decorView = (ViewGroup)activity.getWindow().getDecorView();
decorView.addView(textView);
}
/**
* 显示或者隐藏状态栏
*
* @param activity
* @param show
*/
public static void hideStatusBar(Activity activity, boolean show)
{
ViewGroup decorView = (ViewGroup)activity.getWindow().getDecorView();
View view = decorView.findViewById(getId());
if(view == null)
{
return;
}
if(show)
{
view.setVisibility(View.VISIBLE);
}
else
{
view.setVisibility(View.GONE);
}
}
/**
* 状态栏设置为沉浸式
*
* @param activity
*/
public static void immersionStatusBar(Activity activity)
{
// activity.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN|WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS, WindowManager.LayoutParams.FLAG_FULLSCREEN);
activity.getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_FULLSCREEN | View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
{
activity.getWindow().setNavigationBarColor(Color.TRANSPARENT);
}
}
/**
* 修改状态栏颜色，支持4.4以上版本
*
* @param activity
* @param color
*/
public static void setStatusBarColor(Activity activity, int color)
{
if(color == 0)
{
return;
}
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
{
Window window = activity.getWindow();
// window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
window.setStatusBarColor(color);
}
else if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT)
{
//使用SystemBarTint库使4.4版本状态栏变色，需要先将状态栏设置为透明
transparencyBar(activity);
SystemBarTintManager tintManager = new SystemBarTintManager(activity);
tintManager.setStatusBarTintEnabled(true);
tintManager.setStatusBarTintResource(color);
}
}
/**
* 状态栏亮色模式，设置状态栏黑色文字、图标，
* 适配4.4以上版本MIUIV、Flyme和6.0以上版本其他Android
*
* @param activity
* @return 1:MIUUI 2:Flyme 3:android6.0
*/
public static int StatusBarLightMode(Activity activity)
{
if(!confirmFourUp())
{
return -1;
}
else
{
int result = 0;
if(MIUISetStatusBarLightMode(activity, true))
{
result = 1;
}
else if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.M)
{
activity.getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
result = 3;
}
else
{
setStatusBarColor(activity, R.color.black);
result = 4;
}
return result;
}
}
/**
* 已知系统类型时，设置状态栏黑色文字、图标。
* 适配4.4以上版本MIUIV、Flyme和6.0以上版本其他Android
*
* @param activity
* @param type 1:MIUUI 2:Flyme 3:android6.0
*/
public static void StatusBarLightMode(Activity activity, int type)
{
if(type == 1)
{
MIUISetStatusBarLightMode(activity, true);
}
else if(type == 2)
{
FlymeSetStatusBarLightMode(activity.getWindow(), true);
}
else if(type == 3)
{
activity.getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
}
}
/**
* 状态栏暗色模式，清除MIUI、flyme或6.0以上版本状态栏黑色文字、图标tt
*/
public static void StatusBarDarkMode(Activity activity, int type)
{
if(type == 1)
{
MIUISetStatusBarLightMode(activity, false);
}
else if(type == 2)
{
FlymeSetStatusBarLightMode(activity.getWindow(), false);
}
else if(type == 3)
{
activity.getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_VISIBLE);
}
}
/**
* 状态栏暗色模式，清除MIUI、flyme或6.0以上版本状态栏黑色文字、图标tt
*/
public static int StatusBarDarkMode(Activity activity)
{
if(!confirmFourUp())
{
return -1;
}
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT)
{
if(isMIUI())
{
MIUISetStatusBarLightMode(activity, false);
return 1;
}
else if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.M)
{
activity.getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
return 3;
}
}
setSocialityStatusBar(activity);
return 0;
}
/**
* 设置状态栏图标为深色和魅族特定的文字风格
* 可以用来判断是否为Flyme用户
*
* @param window 需要设置的窗口
* @param dark 是否把状态栏文字及图标颜色设置为深色
* @return boolean 成功执行返回true
*/
public static boolean FlymeSetStatusBarLightMode(Window window, boolean dark)
{
boolean result = false;
if(window != null)
{
try
{
WindowManager.LayoutParams lp = window.getAttributes();
Field darkFlag = WindowManager.LayoutParams.class.getDeclaredField("MEIZU_FLAG_DARK_STATUS_BAR_ICON");
Field meizuFlags = WindowManager.LayoutParams.class.getDeclaredField("meizuFlags");
darkFlag.setAccessible(true);
meizuFlags.setAccessible(true);
int bit = darkFlag.getInt(null);
int value = meizuFlags.getInt(lp);
if(dark)
{
value |= bit;
}
else
{
value &= ~bit;
}
meizuFlags.setInt(lp, value);
window.setAttributes(lp);
result = true;
}
catch(Exception e)
{
}
}
return result;
}
/**
* 需要MIUIV6以上
*
* @param activity
* @param dark 是否把状态栏文字及图标颜色设置为深色
* @return boolean 成功执行返回true
*/
public static boolean MIUISetStatusBarLightMode(Activity activity, boolean dark)
{
boolean result = false;
Window window = activity.getWindow();
if(window != null)
{
Class clazz = window.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);
if(dark)
{
extraFlagField.invoke(window, darkModeFlag, darkModeFlag);//状态栏透明且黑色字体
}
else
{
extraFlagField.invoke(window, 0, darkModeFlag);//清除黑色字体
}
result = true;
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.M)
{
//开发版 7.7.13 及以后版本采用了系统API，旧方法无效但不会报错，所以两个方式都要加上
if(dark)
{
activity.getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
}
else
{
activity.getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
}
}
}
catch(Exception e)
{
}
}
return result;
}
/**
* 获取状态栏高度
*
* @param context context
* @return 状态栏高度
*/
public static int getStatusBarHeight(Context context)
{
if(!confirmFourUp())
{
return 0;
}
// 获得状态栏高度
int resourceId = context.getResources().getIdentifier("status_bar_height", "dimen", "android");
return context.getResources().getDimensionPixelSize(resourceId);
}
/**
* 计算状态栏颜色
* <p>
* eg :View.setBackgroundColor(calculateStatusColor(color, alpha));
*
* @param color color值
* @param alpha alpha值
* @return 最终的状态栏颜色
*/
private static int calculateStatusColor(@ColorInt int color, int alpha)
{
if(alpha == 0)
{
return color;
}
float a = 1 - alpha / 255f;
int red = color >> 16 & 0xff;
int green = color >> 8 & 0xff;
int blue = color & 0xff;
red = (int)(red * a + 0.5);
green = (int)(green * a + 0.5);
blue = (int)(blue * a + 0.5);
return 0xff << 24 | red << 16 | green << 8 | blue;
}
/**
* 退出全屏
*
* @param activity
*/
public static void quitFullScreen(Activity activity)
{
activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
}
/**
* 设置全屏
*
* @param activity
*/
public static void setFullScreen(Activity activity)
{
activity.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
}
/**
* 判断手机版本是否是4.4以上
*
* @return
*/
public static boolean confirmFourUp()
{
return Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;
}
/**
* 状态栏--白底黑字 适配6.0及以上
* 6.0一下状态栏设置为黑色
*
* @param activity
*/
public static void setSocialityStatusBar(Activity activity)
{
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
{
transparencyBar(activity);
StatusBarLightMode(activity);
// setStatusBarColor(activity, activity.getResources().getColor(R.color.white));
View rootView = ((ViewGroup)activity.findViewById(android.R.id.content)).getChildAt(0);
rootView.setPadding(0, getStatusBarHeight(activity), 0, 0);
}
else if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT)
{
setStatusBarColor(activity, R.color.black);
}
}
// 检测是否是小米手机MIUI
private static final String KEY_MIUI_VERSION_CODE = "ro.miui.ui.version.code";
private static final String KEY_MIUI_VERSION_NAME = "ro.miui.ui.version.name";
private static final String KEY_MIUI_INTERNAL_STORAGE = "ro.miui.internal.storage";
public static boolean isMIUI()
{
Properties prop = new Properties();
boolean isMIUI;
try
{
prop.load(new FileInputStream(new File(Environment.getRootDirectory(), "build.prop")));
}
catch(IOException e)
{
e.printStackTrace();
return false;
}
isMIUI = prop.getProperty(KEY_MIUI_VERSION_CODE, null) != null || prop.getProperty(KEY_MIUI_VERSION_NAME, null) != null || prop.getProperty(KEY_MIUI_INTERNAL_STORAGE, null) != null;
return isMIUI;
}
public static void setMainStatusBar(Activity activity)
{
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
{
StatusBarUtil.transparencyBar(activity);
View rootView = ((ViewGroup)activity.findViewById(android.R.id.content)).getChildAt(0);
rootView.setPadding(0, getStatusBarHeight(activity), 0, 0);
}
}
public static void setSocialStatusBar(Activity activity)
{
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
{
StatusBarUtil.transparencyBar(activity);
View rootView = ((ViewGroup)activity.findViewById(android.R.id.content)).getChildAt(0);
rootView.setPadding(0, getStatusBarHeight(activity), 0, 0);
}
StatusBarLightMode(activity);
}
}
ids.xml
<?xml version="1.0" encoding="utf-8"?>
<resources>
<item name="statusbarutil_fake_status_bar_view" type="id"/>
</resources>
SystemBarTintManager
官方在4.4版本只提供了状态栏透明的api,大家普遍采用开源库SystemBarTint
public class SystemBarTintManager {
static {
// Android allows a system property to override the presence of the navigation bar.
// Used by the emulator.
// See https://github.com/android/platform_frameworks_base/blob/master/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java#L1076
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
try {
Class c = Class.forName("android.os.SystemProperties");
Method m = c.getDeclaredMethod("get", String.class);
m.setAccessible(true);
sNavBarOverride = (String) m.invoke(null, "qemu.hw.mainkeys");
} catch (Throwable e) {
sNavBarOverride = null;
}
}
}
/**
* The default system bar tint color value.
*/
public static final int DEFAULT_TINT_COLOR = 0x99000000;
private static String sNavBarOverride;
private final SystemBarConfig mConfig;
private boolean mStatusBarAvailable;
private boolean mNavBarAvailable;
private boolean mStatusBarTintEnabled;
private boolean mNavBarTintEnabled;
private View mStatusBarTintView;
private View mNavBarTintView;
/**
* Constructor. Call this in the host activity onCreate method after its
* content view has been set. You should always create new instances when
* the host activity is recreated.
*
* @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.
*
* If the platform is running Jelly Bean or earlier, or translucent system
* UI modes have not been enabled in either the theme or via window flags,
* then this method does nothing.
*
* @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);
}
}
/**
* Enable tinting of the system navigation bar.
*
* If the platform does not have soft navigation keys, is running Jelly Bean
* or earlier, or translucent system UI modes have not been enabled in either
* the theme or via window flags, then this method does nothing.
*
* @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 = TypedValue.complexToDimensionPixelSize(tv.data, context.getResources().getDisplayMetrics());
}
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;
}
@TargetApi(14)
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 !ViewConfiguration.get(context).hasPermanentMenuKey();
}
}
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;
}
}
}
}
网友评论