试图让我的自定义微调只有一个ImageView的(显示的图标可绘制列表)工作。我想我有自定义适配器code正确, onCreateOptionsMenu()
code正确的,但没有。在动作条的共享功能的图标显示,但是当我触摸它的微调并不下拉列表中选择菜单它应该。可能是什么问题?这个目标是独一无二的,因为它不仅是一个自定义的微调(很容易找到的教程),或者只是一个动作条图标的位置(也容易),而是结合他们两个,这是很难找到的资源。
PhotoViewerActivity.java
包org.azure_simbiosys.cutecollection.phototab;
进口android.content.Context;
进口android.content.pm.ActivityInfo;
进口android.graphics.Bitmap;
进口android.graphics.BitmapFactory;
进口android.os.Bundle;
进口android.support.v7.app.ActionBarActivity;
进口android.view.LayoutInflater;
进口android.view.Menu;
进口android.view.MenuInflater;
进口android.view.MenuItem;
进口android.view.View;
进口android.view.ViewGroup;
进口android.widget.AdapterView;
进口android.widget.ArrayAdapter;
进口android.widget.ImageView;
进口android.widget.Spinner;
进口org.azure_simbiosys.R;
公共类PhotoViewerActivity扩展ActionBarActivity
实现AdapterView.OnItemSelectedListener {
私人ArrayAdapter spinnerAdapter;
INT [] iconList = {R.drawable.ic_facebook,R.drawable.ic_twitter,R.drawable.ic_sms};
@覆盖
保护无效的onCreate(包savedInstanceState){
super.onCreate(savedInstanceState);
的setContentView(R.layout.activity_photo_viewer);
//显示在附近的动作条的应用程序图标向上克拉
getSupportActionBar()setDisplayUseLogoEnabled(假)。
getSupportActionBar()setDisplayHomeAsUpEnabled(真)。
ImageView的PhotoView中=(ImageView的)findViewById(R.id.photo_display);
//从字节数组获取单个位图图像
捆绑额外= getIntent()getExtras()。
字节[]的字节数组= extras.getByteArray(图片);
位图BM = BitmapFactory.de codeByteArray(字节数组,0,byteArray.length);
//套设备方向基于图像方向
如果(bm.getWidth()> bm.getHeight()){
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
} 其他
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
//将位图到您的ImageView
photoView.setImageBitmap(BM);
}
@覆盖
公共无效onItemSelected(适配器视图<>母公司视图中查看,INT位置,长的id){
//的Facebook,微博,短信code在这里
}
@覆盖
公共无效onNothingSelected(适配器视图<>母公司){
}
私有类ShareSpinnerAdapter扩展ArrayAdapter {
//构造
公共ShareSpinnerAdapter(上下文的背景下,INT iconResourceId){
超(背景下,iconResourceId);
}
@覆盖
公共查看getView(INT位置,查看convertView,ViewGroup中父){
查看ItemView控件= convertView;
返回getCustomView(位置,convertView,父母);
}
@覆盖
公共查看getDropDownView(INT位置,查看convertView,ViewGroup中父){
返回getCustomView(位置,convertView,父母);
}
公共查看getCustomView(INT位置,查看convertView,父母的ViewGroup)
{
LayoutInflater充气= getLayoutInflater();
查看排= inflater.inflate(R.layout.share_spinner_row,父母,假);
ImageView的图标=(ImageView的)row.findViewById(R.id.spinner_icon);
icon.setImageResource(iconList [位置]);
返回行;
}
}
@覆盖
公共布尔onCreateOptionsMenu(功能菜单){
//充气操作栏中使用的菜单项
MenuInflater充气= getMenuInflater();
inflater.inflate(R.menu.menu_share,菜单);
微调shareSpinner =(微调)menu.findItem(R.id.action_social_share).getActionView();
spinnerAdapter =新ShareSpinnerAdapter(这一点,R.layout.share_spinner_row);
spinnerAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
shareSpinner.setAdapter(spinnerAdapter);
shareSpinner.setBackground(getResources()getDrawable(R.drawable.ic_action_social_share));
//添加监听器
shareSpinner.setOnItemSelectedListener(本);
返回super.onCreateOptionsMenu(菜单);
}
@覆盖
公共布尔onOptionsItemSelected(菜单项项){
//使向上插入符回到previous片段MakeCuteHome
开关(item.getItemId()){
案例android.R.id.home:
android.app.FragmentManager FM = getFragmentManager();
fm.popBackStack();
完();
返回true;
案例R.id.action_social_share:
返回true;
默认:
返回super.onOptionsItemSelected(项目);
}
}
}
menu_share.xml
< XML版本=1.0编码=UTF-8&GT?;
<菜单的xmlns:机器人=http://schemas.android.com/apk/res/android
的xmlns:程序=http://schemas.android.com/apk/res-auto>
< - !共享,应该显示为操作按钮 - >
<项目机器人:ID =@ + ID / action_social_share
机器人:图标=@可绘制/ ic_action_social_share
机器人:标题=分享
机器人:actionLayout =@布局/ action_share
应用程序:showAsAction =总是
应用程序:actionViewClass =android.widget.Spinner/>
< /菜单>
action_share.xml
< XML版本=1.0编码=UTF-8&GT?;
< LinearLayout中的xmlns:机器人=http://schemas.android.com/apk/res/android
机器人:方向=垂直机器人:layout_width =match_parent
机器人:layout_height =match_parent>
<微调
机器人:layout_width =WRAP_CONTENT
机器人:layout_height =WRAP_CONTENT
机器人:ID =@ + ID / share_spinner
机器人:layout_gravity =center_horizontal
机器人:spinnerMode =下拉列表中/>
< / LinearLayout中>
share_spinner_row
< XML版本=1.0编码=UTF-8&GT?;
< LinearLayout中的xmlns:机器人=http://schemas.android.com/apk/res/android
机器人:方向=垂直机器人:layout_width =match_parent
机器人:layout_height =match_parent>
< ImageView的
机器人:layout_width =WRAP_CONTENT
机器人:layout_height =WRAP_CONTENT
机器人:ID =@ + ID / spinner_icon
机器人:layout_gravity =center_horizontal/>
< / LinearLayout中>
解决方案
如果你想在动作条上的工作作为一个微调共享图标...然后创建项目标签的孩子在menu_share.xml文件。
<项目机器人:ID =@ + ID /菜单
机器人:图标=@可绘制/菜单
机器人:标题=菜单
机器人:showAsAction =总是>
<菜单>
<项目
机器人:ID =@ + ID /登录
机器人:标题=登陆
机器人:图标=@可绘制/接触/>
<项目
机器人:ID =@ + ID /股
机器人:标题=分享
机器人:图标=@可绘制/股/>
<项目
机器人:ID =@ + ID /像
机器人:标题=像
机器人:图标=@可绘制/最爱/>
< /菜单>
< /项目>
Trying to get my custom Spinner with only an ImageView (to show a list of icon drawables) to work. I thought I had the custom adapter code correct, and the onCreateOptionsMenu()
code correct, but no. The icon for the sharing feature shows in the ActionBar, but when I touch it, the Spinner does not dropdown the menu it should. What could be wrong? This goal is unique, because it is not just a custom spinner (easy to find tutorial on) or just an ActionBar icon placement (also easy), but rather combining them both, which is hard to find resources on.
PhotoViewerActivity.java
package org.azure_simbiosys.cutecollection.phototab;
import android.content.Context;
import android.content.pm.ActivityInfo;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.Spinner;
import org.azure_simbiosys.R;
public class PhotoViewerActivity extends ActionBarActivity
implements AdapterView.OnItemSelectedListener{
private ArrayAdapter spinnerAdapter;
int[] iconList = {R.drawable.ic_facebook, R.drawable.ic_twitter, R.drawable.ic_sms};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_photo_viewer);
// Shows the up carat near app icon in ActionBar
getSupportActionBar().setDisplayUseLogoEnabled(false);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
ImageView photoView = (ImageView)findViewById(R.id.photo_display);
// gets the single bitmap image from the array of bytes
Bundle extras = getIntent().getExtras();
byte[] byteArray = extras.getByteArray("photo");
Bitmap bm = BitmapFactory.decodeByteArray(byteArray, 0, byteArray.length);
// sets device orientation based on the image orientation
if (bm.getWidth() > bm.getHeight()){
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
} else
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
// sets bitmap into your ImageView
photoView.setImageBitmap(bm);
}
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
// Facebook, Twitter, SMS code here
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
}
private class ShareSpinnerAdapter extends ArrayAdapter {
// constructor
public ShareSpinnerAdapter (Context context, int iconResourceId){
super(context, iconResourceId);
}
@Override
public View getView(int position, View convertView, ViewGroup parent){
View itemView = convertView;
return getCustomView(position, convertView, parent);
}
@Override
public View getDropDownView(int position, View convertView,ViewGroup parent) {
return getCustomView(position, convertView, parent);
}
public View getCustomView(int position, View convertView, ViewGroup parent)
{
LayoutInflater inflater=getLayoutInflater();
View row=inflater.inflate(R.layout.share_spinner_row, parent, false);
ImageView icon=(ImageView)row.findViewById(R.id.spinner_icon);
icon.setImageResource(iconList[position]);
return row;
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu items for use in the action bar
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.menu_share, menu);
Spinner shareSpinner = (Spinner) menu.findItem(R.id.action_social_share).getActionView();
spinnerAdapter = new ShareSpinnerAdapter(this, R.layout.share_spinner_row);
spinnerAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
shareSpinner.setAdapter(spinnerAdapter);
shareSpinner.setBackground(getResources().getDrawable(R.drawable.ic_action_social_share));
// add listener
shareSpinner.setOnItemSelectedListener(this);
return super.onCreateOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Makes the UP caret go back to the previous fragment MakeCuteHome
switch (item.getItemId()) {
case android.R.id.home:
android.app.FragmentManager fm = getFragmentManager();
fm.popBackStack();
finish();
return true;
case R.id.action_social_share:
return true;
default:
return super.onOptionsItemSelected(item);
}
}
}
menu_share.xml
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<!-- Share, should appear as action button -->
<item android:id="@+id/action_social_share"
android:icon="@drawable/ic_action_social_share"
android:title="Share"
android:actionLayout="@layout/action_share"
app:showAsAction="always"
app:actionViewClass="android.widget.Spinner"/>
</menu>
action_share.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<Spinner
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/share_spinner"
android:layout_gravity="center_horizontal"
android:spinnerMode="dropdown"/>
</LinearLayout>
share_spinner_row
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical" android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/spinner_icon"
android:layout_gravity="center_horizontal" />
</LinearLayout>
解决方案
If you want share icon on action bar work as a spinner... then create child of item tag in menu_share.xml file as..
<item android:id="@+id/menu"
android:icon="@drawable/menu"
android:title="menu"
android:showAsAction="always" >
<menu>
<item
android:id="@+id/Login"
android:title="Login"
android:icon="@drawable/contact" />
<item
android:id="@+id/share"
android:title="Share"
android:icon="@drawable/share" />
<item
android:id="@+id/like"
android:title="Like"
android:icon="@drawable/favourite" />
</menu>
</item>