Android 沉浸式状态栏一体化状态栏实现

苹果上的UI基本上都是这个效果，然而Android机上的顶部状态栏总是和app的主题颜色不搭。还好如今的api19以上的版本，我们也能做出这样的效果。

第一步：

 // 需要setContentView之前调用private void setTranslucentStatus() {if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {// 透明状态栏getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);// 透明导航栏getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);SystemStatusManager tintManager = new SystemStatusManager(this);tintManager.setStatusBarTintEnabled(true);// 设置状态栏的颜色 tintManager.setStatusBarTintResource(R.color.theme_color);getWindow().getDecorView().setFitsSystemWindows(true);}}

第二步：

为xml 的根布局添加android:fitsSystemWindows="true" 属性

第三步：SystemStatusManager 源码

import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Context;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.util.DisplayMetrics;
import android.util.TypedValue;
import android.view.Gravity;
import android.view.View;
import android.view.ViewConfiguration;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
import android.widget.FrameLayout.LayoutParams;import java.lang.reflect.Method;@SuppressWarnings({ "unchecked", "rawtypes" })
public class SystemStatusManager
{static {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 SystemStatusManager(Activity activity) {Window win = activity.getWindow();ViewGroup decorViewGroup = (ViewGroup) win.getDecorView();if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {// check theme attrsint[] 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 flagsWindowManager.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 keysif (!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 { // fallbackreturn !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 {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;}}}}

转自：http://blog.csdn.net/soul_code/article/details/50148277

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