Android AlertDialog菜单三
本文主要是实现菜单中的列表选项，具体可以应用到分享一类
Layout布局
itm_view.xml
<?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" >
<ImageView
android:id="@+id/imageView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/ic_launcher" />
<TextView
android:id="@+id/text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextView" />
</LinearLayout>
<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:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.alertdialog.MainActivity" >
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/hello_world" />
</RelativeLayout>
listview.xml
<?xml version="1.0" encoding="utf-8"?>
<ListView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/list_view" >
</ListView>
myview.xml
<?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" >
<ImageView android:layout_width="match_parent"
android:layout_height="match_parent"
android:src="@drawable/ic_launcher"/>
</LinearLayout>
menu布局
main.xml
<menu xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
tools:context="com.example.alertdialog.MainActivity" >
<item
android:id="@+id/listView"
android:orderInCategory="95"
android:showAsAction="never"
android:title="自定义ListView"/>
<item
android:id="@+id/myview"
android:orderInCategory="96"
android:showAsAction="never"
android:title="自定义"/>
<item
android:id="@+id/mutilistDialog"
android:orderInCategory="97"
android:showAsAction="never"
android:title="多选列表选项"/>
<item
android:id="@+id/singlelistDialog"
android:orderInCategory="98"
android:showAsAction="never"
android:title="单选列表选项"/>
<item
android:id="@+id/listDialog"
android:orderInCategory="99"
android:showAsAction="never"
android:title="列表选项"/>
<item
android:id="@+id/action_settings"
android:orderInCategory="100"
android:showAsAction="never"
android:title="@string/action_settings"/>
</menu>
package com.example.alertdialog;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
private void myTask(final String s){
AlertDialog dialog=new AlertDialog.Builder(this).create();
dialog.setTitle(s);
dialog.setMessage("确定这样的操作吗？");
dialog.setButton(DialogInterface.BUTTON_POSITIVE, "确定: "+s, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(getApplicationContext(), "已经分享到"+s, Toast.LENGTH_SHORT).show();
}
});
dialog.show();
}
private class MyAdapter extends ArrayAdapter{
private LayoutInflater infalter;
public MyAdapter(Context context, int resource) {
super(context, resource);
infalter=LayoutInflater.from(context);
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if(convertView==null)
convertView=infalter.inflate(R.layout.item_view, null);
TextView text=(TextView) convertView.findViewById(R.id.text);
text.setText("data "+position);
return convertView;
}
@Override
public int getCount(){
return 50;
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
if(id==R.id.listView){
AlertDialog.Builder builder=new AlertDialog.Builder(this);
LayoutInflater mLayoutInflater= getLayoutInflater();
View view=mLayoutInflater.inflate(R.layout.listview, null);
ListView lv=(ListView) view.findViewById(R.id.list_view);
// String[] data=new String[50];
// for(int i=0;i<data.length;i++){
// data[i]="test: "+i;
// }
//ArrayAdapter adapter=new ArrayAdapter(this,android.R.layout.simple_list_item_1,data);
MyAdapter adapter=new MyAdapter(this,-1);
lv.setAdapter(adapter);
lv.setOnItemClickListener(new AdapterView.OnItemClickListener (){
@Override
public void onItemClick(AdapterView<?> arg0, View arg1,int pos, long id) {
Toast.makeText(getApplicationContext(), "分享成功！"+pos , Toast.LENGTH_SHORT).show();
}});
lv.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener (){
@Override
public boolean onItemLongClick(AdapterView<?> arg0, View arg1,int pos, long arg3) {
Toast.makeText(getApplicationContext(), "长按 -> 分享成功！"+pos , Toast.LENGTH_SHORT).show();
return true;
}});
builder.setView(view);
builder.setTitle("分享");
builder.create().show();
}
if(id==R.id.myview){
AlertDialog.Builder builder=new AlertDialog.Builder(this);
LayoutInflater mLayoutInflater= getLayoutInflater();
View view=mLayoutInflater.inflate(R.layout.myview, null);
builder.setView(view);
builder.create().show();
}
if(id==R.id.mutilistDialog){
final String[] items={"同时转发到微信","同时转发到QQ好友","同时转发到新浪微博"};
AlertDialog.Builder builder=new AlertDialog.Builder(this);
final boolean[] choices={false,false,true};
builder.setTitle("多选");
builder.setMultiChoiceItems(items, choices, new DialogInterface.OnMultiChoiceClickListener() {
@Override
public void onClick(DialogInterface dialog, int which, boolean isChecked) {
//if(isChecked)
// Toast.makeText(getApplicationContext(), "选中"+items[which], Toast.LENGTH_SHORT).show();
}
});
AlertDialog dialog=builder.create();
dialog.setButton(DialogInterface.BUTTON_POSITIVE, "OK", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
String s="";
for(int i=0;i<items.length;i++){
if(choices[i])
s=s+","+items[i];
}
// for(int i=0;i<choices.length;i++){
// if(choices[i]){
// s=s+","+items[i];
// }
// }
Toast.makeText(getApplicationContext(), "选中"+s, Toast.LENGTH_LONG).show();
}
});
dialog.show();
}
if(id==R.id.singlelistDialog){
final String[] items={"转发到微信","转发到QQ好友","转发到新浪微博"};
AlertDialog.Builder builder=new AlertDialog.Builder(this);
builder.setSingleChoiceItems(items, 0, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
Toast.makeText(getApplicationContext(), items[which], Toast.LENGTH_SHORT).show();
dialog.dismiss();
}
});
AlertDialog dialog=builder.create();
dialog.show();
}
if(id==R.id.listDialog){
final String[] items={"转发到微信","转发到QQ好友","转发到新浪微博"};
AlertDialog.Builder builder=new AlertDialog.Builder(this);
builder.setItems(items, new DialogInterface.OnClickListener(){
@Override
public void onClick(DialogInterface dialog, int which) {
//Toast.makeText(getApplicationContext(), items[which], Toast.LENGTH_SHORT).show();
//处理你们的逻辑
myTask(items[which]);
}});
AlertDialog dialog=builder.setTitle("biaoti 1").create();
dialog.show();
}
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
