Android自定義ToolBar並實現沉浸式的方法

阿新 • • 發佈：2020-05-18

前言

ToolBar是Android 5.0推出的一個新的導航控制元件用於取代之前的ActionBar，由於其高度的可定製性、靈活性、具有Material Design風格等優點，越來越多的App也用上了ToolBar。

沉浸式狀態列是從android Kitkat（Android 4.4）開始出現的,它可以被設定成與APP頂部相同的顏色，這就使得切換APP時，整個介面就好似切換到了與APP相同的風格樣式一樣。

依賴包：
Toolbar,implementation 'androidx.appcompat:appcompat:1.1.0'

沉浸式,implementation 'com.gyf.immersionbar:immersionbar:3.0.0'

1、自定義Toolbar步驟：

1）、定義 /values/styles.xml

<?xml version="1.0" encoding="utf-8"?>
<resources>
 <style name="TextAppearance_TitleBar_Title" parent="TextAppearance.AppCompat.Toolbar.Title">
 ...
 </style>

 <style name="TextAppearance_TitleBar_subTitle" parent="TextAppearance.AppCompat.Toolbar.Subtitle">
  ....
 </style>
</resources>

2）、自定義toolbar 繼承 androidx.appcompat.widget.Toolbar

public class CustomToolBar extends Toolbar {
 private TextView mCenterTitle;
 private ImageView mCenterIcon; //中心icon
 private TextView mLeftText;
 private ImageButton mLeftIcon; 
 private TextView mSettingText;
 private ImageButton mSettingIcon;

 public CustomToolBar(Context context) {
  super(context);
 }

 public CustomToolBar(Context context,AttributeSet attrs) {
  super(context,attrs);
 }

 public CustomToolBar(Context context,AttributeSet attrs,int defStyleAttr) {
  super(context,attrs,defStyleAttr);
 }

 
 public void setLeftText(@StringRes int id) {
  setLeftText(this.getContext().getText(id));
 }

 
 public CustomToolBar setLeftText(CharSequence text) {
  Context context = this.getContext();
  if (this.mLeftText == null) {
   this.mLeftText = new TextView(context);
   this.mLeftText.setGravity(Gravity.CENTER_VERTICAL);
   this.mLeftText.setSingleLine();
//   this.mLeftText.setEllipsize(TextUtils.TruncateAt.END);
   setLeftTextAppearance(getContext(),R.style.TextAppearance_TitleBar_subTitle);
   //textView in left
//   this.addMyView(this.mLeftText,Gravity.START);
   int i = dp2px(this,16);
   this.addMyView(this.mLeftText,Gravity.START,i,48);
  }
  mLeftText.setText(text);
  return this;
 }

 public void setLeftTextAppearance(Context context,@StyleRes int resId) {
  if (this.mLeftText != null) {
   this.mLeftText.setTextAppearance(context,resId);
  }
 }

 public void setLeftTextColor(@ColorInt int color) {
  if (this.mLeftText != null) {
   this.mLeftText.setTextColor(color);
  }
 }

 public void setLeftTextOnClickListener(OnClickListener listener) {
  if (mLeftText != null) {
   mLeftText.setOnClickListener(listener);
  }
 }

 public CustomToolBar setLeftIcon(@DrawableRes int resId) {
  return setLeftIcon(ContextCompat.getDrawable(this.getContext(),resId));
 }

 @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 public CustomToolBar setLeftIcon(Drawable drawable) {
  Context context = this.getContext();
  if (this.mLeftIcon == null) {
   this.mLeftIcon = new ImageButton(context);
    ...

   this.addMyView(this.mLeftIcon,Gravity.START);
  } else {
   if (mLeftIcon.getVisibility() != VISIBLE) {
    mLeftIcon.setVisibility(VISIBLE);
   }
  }
  if (mLeftText != null && mLeftText.getVisibility() != GONE) {
   mLeftText.setVisibility(GONE);
  }
  mLeftIcon.setImageDrawable(drawable);
  return this;
 }

 public void setLeftIconOnClickListener(OnClickListener listener) {
  if (mLeftIcon != null) {
   mLeftIcon.setOnClickListener(listener);
  }
 }

 public void setLeftIconVisibility(int visibility) {
  if (mLeftIcon != null) {
   mLeftIcon.setVisibility(visibility);
  }
 }

 
 public CustomToolBar setMyCenterTitle(@StringRes int id,boolean center) {
  return setMyCenterTitle(this.getContext().getText(id),center);
 }

 
 public void setMyCenterTitle(@StringRes int Rid) {
  setMyCenterTitle(this.getContext().getText(Rid));
 }

 public void setMyCenterTitle(CharSequence text) {
  Context context = this.getContext();
  if (this.mCenterTitle == null) {
   this.mCenterTitle = new TextView(context);
   ...

  } else {
   if (this.mCenterTitle.getVisibility() != VISIBLE) {
    mCenterTitle.setVisibility(VISIBLE);
   }
  }
  if (mCenterIcon != null && mCenterIcon.getVisibility() != GONE) {
   mCenterIcon.setVisibility(GONE);
  }
 
  ...

 }
 public CustomToolBar setMyCenterTitle(CharSequence text,boolean center) {
  Context context = this.getContext();
  if (this.mCenterTitle == null) {
   this.mCenterTitle = new TextView(context);

   ...

  } else {
   if (this.mCenterTitle.getVisibility() != VISIBLE) {
    mCenterTitle.setVisibility(VISIBLE);
   }
  }
  if (mCenterIcon != null && mCenterIcon.getVisibility() != GONE) {
   mCenterIcon.setVisibility(GONE);
  }
 
  if (!center) {
   setTitle(text);
   setTitleTextColor(getResources().getColor(R.color.black));
  } else {
   mCenterTitle.setText(text);
   mCenterTitle.setTextColor(getResources().getColor(R.color.black));
   mCenterTitle.setTextSize(16);
  }
  return this;
 }

 public void setMyCenterTextAppearance(Context context,@StyleRes int resId) {
  if (this.mCenterTitle != null) {
   this.mCenterTitle.setTextAppearance(context,resId);
  }
 }

 public void setMyCenterTextColor(@ColorInt int color) {
  if (this.mCenterTitle != null) {
   this.mCenterTitle.setTextColor(color);
  }
 }

 public void setMyCenterTextOnClickListener(OnClickListener listener) {
  if (mCenterTitle != null) {
   mCenterTitle.setOnClickListener(listener);
  }
 }

 
 public void setMyCenterIcon(@DrawableRes int resId) {
  setMyCenterIcon(ContextCompat.getDrawable(this.getContext(),resId));
 }

 public void setMyCenterIcon(Drawable drawable) {
  Context context = this.getContext();
  if (this.mCenterIcon == null) {

   ...

  } else {
   if (mCenterIcon.getVisibility() != VISIBLE) {
    mCenterIcon.setVisibility(VISIBLE);
   }
  }
  if (mCenterTitle != null && mCenterTitle.getVisibility() != GONE) {
   mCenterTitle.setVisibility(GONE);
  }
  
  setTitle("");
  mCenterIcon.setImageDrawable(drawable);
 }

 
 public void setMySettingText(@StringRes int Rid) {
  setMySettingText(this.getContext().getText(Rid));
 }

 public void setMySettingText(CharSequence text) {
  Context context = this.getContext();
  if (this.mSettingText == null) {

   ...

  } else {
   if (mSettingText.getVisibility() != VISIBLE) {
    mSettingText.setVisibility(VISIBLE);
   }
  }
  if (mSettingIcon != null && mSettingIcon.getVisibility() != GONE) {
   mSettingIcon.setVisibility(GONE);
  }
  mSettingText.setText(text);
  mSettingText.setTextSize(14);
  mSettingText.setTextColor(getResources().getColor(R.color.toolbar_title));

 }

 public void setMySettingTextAppearance(Context context,@StyleRes int resId) {
  if (mSettingText != null) {
   mSettingText.setTextAppearance(context,resId);
  }
 }

 public void setMySettingTextColor(@ColorInt int color) {
  if (mSettingText != null) {
   mSettingText.setTextColor(color);
  }
 }

 public void setSettingTextOnClickListener(OnClickListener listener) {
  if (mSettingText != null) {
   mSettingText.setOnClickListener(listener);
  }
 }

 public CustomToolBar setMySettingIcon(@DrawableRes int resId) {
  return setMySettingIcon(ContextCompat.getDrawable(this.getContext(),resId));
//  ViewConfiguration.get(this.getContext()).getScaledTouchSlop();
 }

 @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
 public CustomToolBar setMySettingIcon(Drawable drawable) {
  Context context = this.getContext();
  if (this.mSettingIcon == null) {

   ...

  } else {
   if (mSettingIcon.getVisibility() != VISIBLE) {
    mSettingIcon.setVisibility(VISIBLE);
   }
  }
  if (mSettingText != null && mSettingText.getVisibility() != GONE) {
   mSettingText.setVisibility(GONE);
  }
  mSettingIcon.setImageDrawable(drawable);
  return this;
 }

 public void setSettingIconOnClickListener(OnClickListener listener) {
  if (mSettingIcon != null) {
   mSettingIcon.setOnClickListener(listener);
  }
 }

 private void addSimpleView(View v,int gravity) {
  addSimpleView(v,gravity,0);
 }

 private void addSimpleView(View v,int gravity,int left,int top,int right,int bottom) {
  LayoutParams lp = new LayoutParams(LayoutParams.WRAP_CONTENT,LayoutParams.WRAP_CONTENT,gravity);
  lp.setMargins(left,top,right,bottom);
  this.addView(v,lp);
 }

 
 private void addMyView(View v,int gravity) {

  addMyView(v,dp2px(this,16),0);
 }

 private void addMyView(View v,int bottom) {
  LayoutParams lp = new LayoutParams(dp2px(this,20),lp);
 }

 private void addMyView(View v,int bottom,int width) {
  LayoutParams lp = new LayoutParams(dp2px(this,width),20,lp);
 }


 public CustomToolBar setCenterTitleWithImg(CharSequence text,Drawable drawable,boolean center) {
  Context context = this.getContext();
  if (this.mCenterTitle == null) {
   this.mCenterTitle = new TextView(context);

   ...

   if (this.mCenterTitle.getVisibility() != VISIBLE) {
    mCenterTitle.setVisibility(VISIBLE);
   }
  }

  if (this.mCenterIcon == null) {
   this.mCenterIcon = new ImageView(context);

   ...

  } else {
   if (mCenterIcon.getVisibility() != VISIBLE) {
    mCenterIcon.setVisibility(VISIBLE);
   }
  }

  mCenterTitle.setTextSize(18);
  mCenterTitle.setTextColor(getResources().getColor(R.color.black));
  mCenterTitle.setText(text);
  mCenterIcon.setImageDrawable(drawable);

  return this;
 }

 public void setCenterTitleWithImgOnClickListener(OnClickListener listener) {
  if (mCenterTitle != null) {
   ((View) mCenterTitle.getParent()).setOnClickListener(listener);
  }
 }
}

2、自定義Toolbar使用

1）、res/layout建立佈局檔案

   <?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:app="http://schemas.android.com/apk/res-auto"
  android:layout_width="match_parent"
  android:layout_height="wrap_content">

  <com.ktx.view.CustomToolBar
    android:id="@+id/toolbar"
    android:layout_width="match_parent"
    android:layout_height="?actionBarSize"
    android:background="@android:color/white"  
    app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
    app:titleTextColor="@android:color/black" />

</FrameLayout>

2）、在佈局中使用

<?xml version="1.0" encoding="utf-8"?>
<layout xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:app="http://schemas.android.com/apk/res-auto"
  xmlns:binding="http://schemas.android.com/tools">
  <data>
    <variable
      name="viewModel"
      type="com.android.playandroid.viewmodel.LoginViewModel" />
  </data>
  <androidx.constraintlayout.widget.ConstraintLayout
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/bkg"
    android:orientation="vertical">

    <include
      layout="@layout/title_layout"
      app:layout_constraintLeft_toLeftOf="parent"
      app:layout_constraintTop_toTopOf="parent" />
     ...
  </androidx.constraintlayout.widget.ConstraintLayout>

</layout>

3）、程式碼中使用

a、初始化：

  mBinding.root.toolbar.setNavigationIcon(R.mipmap.register_close)
  mBinding.root.toolbar.setMyCenterTitle(getString(R.string.register),true)
  mBinding.root.toolbar.setMySettingText(getString(R.string.login))

b、點選事件：

  mBinding.root.toolbar.setNavigationOnClickListener {
    ....
  }


  mBinding.root.toolbar.setSettingTextOnClickListener {
    ...
}

4）、沉浸式，設定toolbar背景顏色、文字顏色，一般寫在基類

 protected open fun initImmersionBar() {
    //在BaseActivity裡初始化
    mImmersionBar = ImmersionBar.with(this)
    if (toolbar != null) {
      mImmersionBar.titleBar(toolbar)
    }
    mImmersionBar.statusBarDarkFont(true)
  //  mImmersionBar.keyboardEnable(true).navigationBarWithKitkatEnable(false).init()
   // mImmersionBar.init()
    
    ImmersionBar.with(this).init()
  }

Google原生的效果，不必多說，可以實現類似這樣的效果

Android自定義ToolBar並實現沉浸式的方法

注意：

1、配置整個app的toolbar風格，在/value/styles.xml檔案修改程式碼

 <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
  
    <item name="colorPrimary">@android:color/white</item>
    <item name="colorPrimaryDark">@android:color/white</item>
    <item name="colorAccent">@android:color/white</item>

   ...

 
  </style>

2、修改了 toolbar的高度，怎麼讓navigationIcon顯示在toolbar中心?

只要設定如下，即可：android:minHeight="@dimen/toolbar_height"

3、toolbar佈局檔案位置

如果在commonlibrary目錄建立該檔案，在app 下還需要複製一份，因為在app 使用toolbar，kotlin-android-extensions引用不到commonlibrary目錄下的佈局檔案。

程式碼Github：https://github.com/AlbertShen0211/PlayAndroid

總結

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