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  private SystemBarTintManager tintManager;  @Override  protected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_main);   // getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);//全屏    initWindow();  }  private void initWindow() {        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {          getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);          getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);          tintManager = new SystemBarTintManager(this);          tintManager.setStatusBarTintColor(this.getResources().getColor(R.color.blue)); //设置状态栏的颜色          tintManager.setStatusBarTintEnabled(true);        }      }

package zcd.libs;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;/** * Class to manage status and navigation bar tint effects when using KitKat * translucent system UI modes. * */public class SystemBarTintManager {  static {    // Android allows a system property to override the presence of the navigation bar.        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;      }    }  }}