Android自定义状态栏颜色与应用标题栏颜色一致
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每次看IOS上的应用，应用中状态栏的颜色总能与应用标题栏颜色保持一致，用户体验很不错，对于这种效果，像我这种好奇心强的人就会去看看那安卓是否可以呢？若是在安卓4.4之前，答案是否定的，但在4.4之后，谷歌允许开发者自定义状态栏背景颜色啦，这是个不错的体验！若你手机上安装有最新版的qq，并且你的安卓SDK版本是4.4及以上，你可以看下它的效果：
实现此功能有两种方法：
1.在xml中设置主题或自定义style；
Theme.Holo.Light.NoActionBar.TranslucentDecor
Theme.Holo.NoActionBar.TranslucentDecor
<style name="AppTheme" parent="AppBaseTheme">
<!-- Status Bar -->
<item name="android:windowTranslucentStatus">true</item>
<!-- Navigation Bar -->
<item name="android:windowTranslucentNavigation">true</item>
</style>鉴于市面上各种手机的SDK的各种版本，不建议采用这种方法；
2.在代码中控制；
首先创建一个Activity，在onCreate方法中进行处理：
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
setTranslucentStatus(true);
SystemBarTintManager tintManager = new SystemBarTintManager(this);
tintManager.setStatusBarTintEnabled(true);
tintManager.setStatusBarTintResource(R.color.barcolor);//通知栏所需颜色
}
setContentView(R.layout.activity_main);
}
@TargetApi(19)
private void setTranslucentStatus(boolean on) {
Window win = getWindow();
WindowManager.LayoutParams winParams = win.getAttributes();
final int bits = WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS;
if (on) {
winParams.flags |= bits;
} else {
winParams.flags &= ~bits;
}
win.setAttributes(winParams);
}需注意的是， tintManager.setStatusBarTintResource(R.color.top_bg_color);这一步的颜色值（即把你的状态栏颜色与你的标题栏颜色保持一致）要写在color.xml中去，如果用Color.praseColor则会报错。
SystemBarTintManager.java文件
package com.test.statusbarcolor;
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({ "rawtypes", "unchecked" })
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/class="lazy" data-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;
}
}
}
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;
@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);
}
}
public void setStatusBarTintEnabled(boolean enabled) {
mStatusBarTintEnabled = enabled;
if (mStatusBarAvailable) {
mStatusBarTintView.setVisibility(enabled ? View.VISIBLE : View.GONE);
}
}
public void setNavigationBarTintEnabled(boolean enabled) {
mNavBarTintEnabled = enabled;
if (mNavBarAvailable) {
mNavBarTintView.setVisibility(enabled ? View.VISIBLE : View.GONE);
}
}
public void setTintColor(int color) {
setStatusBarTintColor(color);
setNavigationBarTintColor(color);
}
public void setTintResource(int res) {
setStatusBarTintResource(res);
setNavigationBarTintResource(res);
}
public void setTintDrawable(Drawable drawable) {
setStatusBarTintDrawable(drawable);
setNavigationBarTintDrawable(drawable);
}
public void setTintAlpha(float alpha) {
setStatusBarAlpha(alpha);
setNavigationBarAlpha(alpha);
}
public void setStatusBarTintColor(int color) {
if (mStatusBarAvailable) {
mStatusBarTintView.setBackgroundColor(color);
}
}
public void setStatusBarTintResource(int res) {
if (mStatusBarAvailable) {
mStatusBarTintView.setBackgroundResource(res);
}
}
@SuppressWarnings("deprecation")
public void setStatusBarTintDrawable(Drawable drawable) {
if (mStatusBarAvailable) {
mStatusBarTintView.setBackgroundDrawable(drawable);
}
}
@TargetApi(11)
public void setStatusBarAlpha(float alpha) {
if (mStatusBarAvailable && Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
mStatusBarTintView.setAlpha(alpha);
}
}
public void setNavigationBarTintColor(int color) {
if (mNavBarAvailable) {
mNavBarTintView.setBackgroundColor(color);
}
}
public void setNavigationBarTintResource(int res) {
if (mNavBarAvailable) {
mNavBarTintView.setBackgroundResource(res);
}
}
@SuppressWarnings("deprecation")
public void setNavigationBarTintDrawable(Drawable drawable) {
if (mNavBarAvailable) {
mNavBarTintView.setBackgroundDrawable(drawable);
}
}
@TargetApi(11)
public void setNavigationBarAlpha(float alpha) {
if (mNavBarAvailable && Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
mNavBarTintView.setAlpha(alpha);
}
}
public SystemBarConfig getConfig() {
return mConfig;
}
public boolean isStatusBarTintEnabled() {
return mStatusBarTintEnabled;
}
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);
}
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);
}
public boolean isNavigationAtBottom() {
return (mSmallestWidthDp >= 600 || mInPortrait);
}
public int getStatusBarHeight() {
return mStatusBarHeight;
}
public int getActionBarHeight() {
return mActionBarHeight;
}
public boolean hasNavigtionBar() {
return mHasNavigationBar;
}
public int getNavigationBarHeight() {
return mNavigationBarHeight;
}
public int getNavigationBarWidth() {
return mNavigationBarWidth;
}
public int getPixelInsetTop(boolean withActionBar) {
return (mTranslucentStatusBar ? mStatusBarHeight : 0) + (withActionBar ? mActionBarHeight : 0);
}
public int getPixelInsetBottom() {
if (mTranslucentNavBar && isNavigationAtBottom()) {
return mNavigationBarHeight;
} else {
return 0;
}
}
public int getPixelInsetRight() {
if (mTranslucentNavBar && !isNavigationAtBottom()) {
return mNavigationBarWidth;
} else {
return 0;
}
}
}
}接下来我们看看效果图（前一个图是没有设置颜色的效果图，后一个是设置颜色的效果图）：
貌似已经达到效果了，但仔细观察，好像标题栏被提上去了，就是说APP界面全屏了，状态了盖在了APP上，恩，这并非我们想要的效果，那如何将界面从状态栏下部开始呢，只需要在Activity的布局文件最外层控件加上一个属性：
android:fitsSystemWindows="true"就可以啦！看下效果：
大功告成！
PS：在使用过程中发现了一些问题，使用以上方法对单个Activity有效，但是对继承了TabActivity的导航页怎么办呢？假如MainActivity继承了TabActivity，Tab1Activity、Tab2Activity、Tab3Activity是三个子项，那么设置状态栏的代码需写在MainActivity中，而 android:fitsSystemWindows="true"需写在三个子Activity的xml布局文件中，这样设置后仍然有问题，就是进入应用后首页也就是Tab1Activity没有问题，而Tab2Activity、Tab3Activity却没达到效果，它们的效果相当于未加android:fitsSystemWindows="true"时的效果，期初我怀疑是Activity不同的原因，因此我把Tab1Activity和Tab3Activity调了下位置，结果Tab3Activity成为首页后正常，而Tab1Activity又不正常了，百思不得姐，最后实在没办法，就在Tab2Activity、Tab3Activity的OnCreate方法中加了几句代码：
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
((LinearLayout)findViewById(R.id.ll)).setPadding(0,
SysUtils.getStatusHeight(this), 0,0);
}意思是，先求出状态栏高度，然后设置最外层控件的PaddingTop值为状态栏高度，结果正好达到效果，至于为什么只有首页Activity可以达到效果，而后面的子项无法达到效果，本人也在郁闷中，有知道的朋友可以分享下！
状态栏高度算法：
public static int getStatusHeight(Activity activity){
int statusHeight = 0;
Rect localRect = new Rect();
activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(localRect);
statusHeight = localRect.top;
if (0 == statusHeight){
Class<?> localClass;
try {
localClass = Class.forName("com.android.internal.R$dimen");
Object localObject = localClass.newInstance();
int i5 = Integer.parseInt(localClass.getField("status_bar_height").get(localObject).toString());
statusHeight = activity.getResources().getDimensionPixelSize(i5);
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InstantiationException e) {
e.printStackTrace();
} catch (NumberFormatException e) {
e.printStackTrace();
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (SecurityException e) {
e.printStackTrace();
} catch (NoSuchFieldException e) {
e.printStackTrace();
}
}
return statusHeight;
}伴随着Android5.0的发布也更新了support-v7-appcompat 到V21，其中增加了ToolBar，recyclerview，cardview等控件。
Android5.0对改变APP样式下了不小的功夫，写法也和以前不一样了，这里也简单介绍一下
colorAccent,colorPrimary,colorPrimaryDark的作用：
这样是不是清晰很多了，继续加油吧，编程的路还很长，我们慢慢走
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