[英]how to set custom Action Bar properly in Android
我在我的android應用中創建了一個自定義操作欄。 不幸的是,高度和寬度在我的自定義布局中設置不正確。 運行該應用程序后,自定義操作欄的左側和右側還有一個空白區域,以及一個高度問題。 我該如何解決?
自定義操作欄
<?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="wrap_content"
android:background="#3A86CF"
android:orientation="horizontal"
android:layout_gravity="fill_horizontal">
<ImageView
android:id="@+id/imgLeftMenu"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="left|center_vertical|center_horizontal"
android:layout_weight="1"
android:src="@drawable/menu_left" />
<TextView
android:layout_width="200dp"
android:layout_height="30dp"
android:layout_weight="1"
android:id="@+id/txtTitle"
android:gravity="center_vertical|center_horizontal"
android:text="All Post"
android:textColor="@android:color/white" />
<ImageView
android:id="@+id/imgSearch"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:src="@android:drawable/ic_menu_search" />
<ImageView
android:id="@+id/imgAdd"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_weight="1"
android:src="@android:drawable/ic_menu_add" />
</LinearLayout>
活動代碼
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.all_post);
CustomActionBar();
}
public void CustomActionBar()
{
android.support.v7.app.ActionBar actionBar = getSupportActionBar();
actionBar.setDisplayOptions( android.support.v7.app.ActionBar.DISPLAY_SHOW_CUSTOM);
// Do any other config to the action bar
getSupportActionBar().setDisplayShowTitleEnabled(false);
getSupportActionBar().setDisplayShowHomeEnabled(false);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
// set custom view
View actionBarView = getLayoutInflater().inflate(
R.layout.custom_action_bar, null);
View btnMenuLeft= actionBarView.findViewById(R.id.imgLeftMenu);
btnMenuLeft.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
}
});
View textView_Title= actionBarView.findViewById(R.id.txtTitle);
View btnMenuShare= actionBarView.findViewById(R.id.imgSearch);
View btnMenuAdd= actionBarView.findViewById(R.id.imgAdd);
android.support.v7.app.ActionBar.LayoutParams params = new android.support.v7.app.ActionBar.LayoutParams(
android.support.v7.app.ActionBar.LayoutParams.MATCH_PARENT,android.support.v7.app.ActionBar.LayoutParams.MATCH_PARENT);
actionBar.setCustomView(actionBarView, params);
// Hide the home icon
actionBar.setIcon(android.R.color.transparent);
actionBar.setLogo(android.R.color.transparent);
}
style.xml
<resources>
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
<!-- Customize your theme here. -->
<item name="android:height">5dp</item>
</style>
</resources>
將以下代碼放在您的style.xml中
<resources>
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light">
<item name="actionBarStyle">@style/MyActionBar</item>
<item name="android:actionBarStyle">@style/MyActionBar</item>
<!-- Customize your theme here. -->
</style>
<!-- ActionBar styles -->
<style name="MyActionBar" parent="@style/Widget.AppCompat.Light.ActionBar.Solid.Inverse">
<item name="android:background">@color/actionbar_bg</item>
<item name="background">@color/actionbar_bg</item>
<item name="android:homeAsUpIndicator">@drawable/ic_backarrow</item>
<item name="homeAsUpIndicator">@drawable/ic_backarrow</item>
</style>
在清單中使用“ @ style / AppTheme”
自定義布局
<?xml version="1.0" encoding="utf-8"?>
<TextView
android:id="@+id/cal_tvActionbarTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:textColor="@color/white"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textStyle="bold" />
在Java類中為ActionBar編寫以下代碼
/**
* Method to change ActionBar Title
*/
public void setMainScreenActionBar(String p_title)
{
LayoutInflater m_inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
ActionBar m_actionBar = getSupportActionBar();
View m_viewActionBar = m_inflater.inflate(R.layout.custom_actionbar_title_layout, null);
ActionBar.LayoutParams m_params = new ActionBar.LayoutParams(ActionBar.LayoutParams.WRAP_CONTENT, ActionBar.LayoutParams.MATCH_PARENT, Gravity.CENTER);
TextView m_tvTitle = (TextView) m_viewActionBar.findViewById(R.id.cal_tvActionbarTitle);
m_tvTitle.setText(p_title);
m_actionBar.setCustomView(m_viewActionBar, m_params);
m_actionBar.setDisplayShowCustomEnabled(true);
m_actionBar.setDisplayShowTitleEnabled(false);
m_actionBar.setDisplayHomeAsUpEnabled(true);
m_actionBar.setHomeButtonEnabled(true);
}
將以下代碼放在您的style.xml中
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">Light">
<item name="actionBarStyle">@style/MyActionBar</item>
<item name="android:actionBarStyle">@style/MyActionBar</item>
<!-- Customize your theme here. -->
</style>
<!-- ActionBar styles -->
<style name="MyActionBar" parent="@style/Widget.AppCompat.Light.ActionBar.Solid.Inverse">
<item name="android:layout_height">5dp<background">@color/actionbar_bg</item>
<item name="background">@color/actionbar_bg</item>
<item name="android:homeAsUpIndicator">@drawable/ic_backarrow</item>
<item name="homeAsUpIndicator">@drawable/ic_backarrow</item>
</style>
如果不解決,請在清單中使用“ @ style / AppTheme”
自定義布局
<?xml version="1.0" encoding="utf-8"?>
<TextView
android:id="@+id/cal_tvActionbarTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:textColor="@color/white"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textStyle="bold" />
請在您的問題中編寫Belove代碼,並發布此屏幕快照。 Actionbar的Java類
/**
* Method to change ActionBar Title
*/
public void setMainScreenActionBar(String p_title)
{
LayoutInflater m_inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
ActionBar m_actionBar = getSupportActionBar();
View m_viewActionBar = m_inflater.inflate(R.layout.custom_actionbar_title_layout, null);
ActionBar.LayoutParams m_params = new ActionBar.LayoutParams(ActionBar.LayoutParams.WRAP_CONTENT, ActionBar.LayoutParams.MATCH_PARENT, Gravity.CENTER);
TextView m_tvTitle = (TextView) m_viewActionBar.findViewById(R.id.cal_tvActionbarTitle);
m_tvTitle.setText(p_title);
m_actionBar.setCustomView(m_viewActionBar, m_params);
m_actionBar.setDisplayShowCustomEnabled(true);
m_actionBar.setDisplayShowTitleEnabled(false);
m_actionBar.setDisplayHomeAsUpEnabled(true);
m_actionBar.setHomeButtonEnabled(true);
}
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