@Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_match_actionbar);
    //只对api19以上版本有效
  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
   setTranslucentStatus(true);
  }
    //为状态栏着色
  SystemBarTintManager tintManager = new SystemBarTintManager(this);
  tintManager.setStatusBarTintEnabled(true);
  tintManager.setStatusBarTintResource(R.color.statusbar_bg);

 }

 @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);
 }

 android:fitsSystemWindows="true" 
 android:clipToPadding="false"

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/colorAccent"
    android:orientation="vertical">

 <View
  android:id="@+id/status_bar"
  android:layout_width="match_parent"
  android:layout_height="20dp"/>

 <FrameLayout
  android:layout_width="match_parent"
  android:layout_height="match_parent"/>

</LinearLayout>

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  View statusBar = findViewById(R.id.status_bar);

  setContentView(R.layout.activity_test);
  //判断SDK版本是否大于等于19，大于就让他显示，小于就要隐藏，不然低版本会多出来一个
  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
   setTranslucentStatus(true);
   statusBar.setVisibility(View.VISIBLE);
   //还有设置View的高度，因为每个型号的手机状态栏高度都不相同
  }else{
   statusBar.setVisibility(View.GONE);
  }
 }
 @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);
 }

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
 xmlns:android="http://schemas.android.com/apk/res/android"
 xmlns:tools="http://schemas.android.com/tools"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 android:background="@android:color/holo_green_light"
 android:fitsSystemWindows="true"
 tools:context="com.saidtx.myapplication.TestActivity">

 <ScrollView
  android:layout_width="match_parent"
  android:layout_height="match_parent"
  android:layout_above="@+id/edit"
  android:background="@android:color/white">

  <LinearLayout
   android:layout_width="match_parent"
   android:layout_height="wrap_content">

   <TextView
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:gravity="center"
    android:padding="20dp"
    android:text="@string/previews"/>
  </LinearLayout>
 </ScrollView>

 <LinearLayout
  android:id="@+id/edit"
  android:layout_width="match_parent"
  android:layout_height="wrap_content"
  android:layout_alignParentBottom="true"
  android:background="@android:color/white">

  <EditText
   android:layout_width="match_parent"
   android:layout_height="wrap_content"/>
 </LinearLayout>

</RelativeLayout>

android:fitsSystemWindows="true"
android:background="@android:color/holo_green_light"