【移動(dòng)應(yīng)用開發(fā)技術(shù)】自定義Spinner利用TextView以及Dialog組合

MainActivity:packagecom.example.myspinner_bytextview;importandroid.os.Bundle;importandroid.app.Activity;importandroid.app.AlertDialog;importandroid.view.Menu;importandroid.view.View;importandroid.view.View.OnClickListener;importandroid.widget.TextView;importandroid.widget.Toast;/**

*@author鷺島猥瑣男

*

*/publicclassMainActivityextendsActivity{

privateTextViewtv_show;

@Override

protectedvoidonCreate(BundlesavedInstanceState)

{

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

Viewsex=findViewById(R.id.sex);

tv_show=(TextView)findViewById(R.id.tv_show);

sex.setOnClickListener(newOnClickListener()

{

@Override

publicvoidonClick(Viewv)

{

AlertDialog.Builderbuilder;

finalAlertDialogdialog;

Viewview=getLayoutInflater().inflate(R.layout.myspinner,null);

builder=newAlertDialog.Builder(MainActivity.this);

dialog=builder.create();

dialog.setView(view,0,0,0,0);

dialog.show();

Viewsex_man=view.findViewById(R.id.sex_man);

Viewwoman=view.findViewById(R.id.woman);

Viewshemale=view.findViewById(R.id.shemale);

sex_man.setOnClickListener(newOnClickListener()

{

@Override

publicvoidonClick(Viewv)

{

tv_show.setText("男性");

Toast.makeText(MainActivity.this,"性別：男性",Toast.LENGTH_LONG).show();

dialog.dismiss();

}

});

woman.setOnClickListener(newOnClickListener()

{

@Override

publicvoidonClick(Viewv)

{

tv_show.setText("女性");

Toast.makeText(MainActivity.this,"性別：男性",Toast.LENGTH_LONG).show();

dialog.dismiss();

}

});

shemale.setOnClickListener(newOnClickListener()

{

@Override

publicvoidonClick(Viewv)

{

tv_show.setText("人妖");

Toast.makeText(MainActivity.this,"性別：男性",Toast.LENGTH_LONG).show();

dialog.dismiss();

}

});

}

});

}

@Override

publicbooleanonCreateOptionsMenu(Menumenu)

{

//Inflatethemenu;thisaddsitemstotheactionbarifitispresent.

getMenuInflater().inflate(R.menu.main,menu);

returntrue;

}}activity_main.xml<RelativeLayoutxmlns:android="/apk/res/android"

xmlns:tools="/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

tools:context=".MainActivity">

<RelativeLayout

android:id="@+id/sex"

android:layout_width="match_parent"

android:layout_height="60dp"

android:layout_alignParentTop="true"

android:layout_centerHorizontal="true"

android:background="@drawable/sex_selector"

android:layout_marginTop="60dp">

<TextView

android:id="@+id/textView1"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_alignParentLeft="true"

android:layout_centerVertical="true"

android:layout_marginLeft="30dp"

android:text="性別"

android:textSize="20sp"

android:textAppearance="?android:attr/textAppearanceMedium"/>

<TextView

android:id="@+id/tv_show"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_marginRight="10dp"

android:text="男性"

android:textSize="20sp"

android:textColor="#646464"

android:layout_toLeftOf="@+id/p_w_picpathView1"

android:layout_centerVertical="true"

android:textAppearance="?android:attr/textAppearanceMedium"/>

<ImageView

android:id="@+id/p_w_picpathView1"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_alignParentRight="true"

android:layout_centerVertical="true"

android:layout_marginRight="30dp"

android:contentDescription="@string/app_name"

android:src="@drawable/mydown"/>

</RelativeLayout>

<TextView

android:id="@+id/textView2"

android:layout_width="match_parent"

android:layout_height="1dp"

android:layout_alignParentLeft="true"

android:layout_alignTop="@+id/sex"

android:background="#dcdcdc"

android:textAppearance="?android:attr/textAppearanceMedium"/>

<TextView

android:id="@+id/textView3"

android:layout_width="match_parent"

android:layout_height="1dp"

android:layout_below="@+id/sex"

android:layout_centerHorizontal="true"

android:background="#dcdcdc"

android:textAppearance="?android:attr/textAppearanceMedium"/></RelativeLayout>mydialog.xml:<?xmlversion="1.0"encoding="utf-8"?><RelativeLayoutxmlns:android="/apk/res/android"

android:layout_width="match_parent"

android:layout_height="match_parent">

<TextView

android:id="@+id/textView1"

android:layout_width="match_parent"

android:layout_height="1dp"

android:layout_alignParentTop="true"

android:layout_centerHorizontal="true"

android:background="#dcdcdc"/>

<RelativeLayout

android:id="@+id/sex_man"

android:layout_width="match_parent"

android:layout_height="60dp"

android:layout_below="@+id/textView1"

android:background="@drawable/sex_selector"

android:layout_centerHorizontal="true">

<TextView

android:id="@+id/textView2"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_centerHorizontal="true"

android:layout_centerVertical="true"

android:text="男性"

android:textSize="20sp"

android:textAppearance="?android:attr/textAppearanceMedium"/>

</RelativeLayout>

<TextView

android:id="@+id/textView3"

android:layout_width="match_parent"

android:layout_height="1dp"

android:layout_below="@+id/sex_man"

android:background="#dcdcdc"

android:layout_centerHorizontal="true"

/>

<RelativeLayout

android:id="@+id/woman"

android:layout_width="match_parent"

android:layout_height="60dp"

android:layout_below="@+id/textView3"

android:background="@drawable/sex_selector"

android:layout_centerHorizontal="true">

<TextView

android:id="@+id/textView4"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_centerHorizontal="true"

android:layout_centerVertical="true"

android:text="女性"

android:textSize="20sp"

android:textAppearance="?android:attr/textAppearanceMedium"/>

</RelativeLayout>

<TextView

android:id="@+id/textView5"

android:layout_width="match_parent"

android:layout_height="1dp"

android:layout_below="@+id/woman"

android:layout_centerHorizontal="true"

android:background="#dcdcdc"

/>

<RelativeLayout

android:id="@+id/shemale"

android:layout_width="match_parent"

android:l