Example : activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<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" >
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_centerHorizontal="true"
android:layout_marginTop="35dp"
android:text="Click" />
<TextView
android:id="@+id/textView1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/button1"
android:layout_centerHorizontal="true"
android:layout_marginTop="51dp"
android:text="result" />
</RelativeLayout>
Example : MainActivity.java
package com.rating.rating2;
import android.os.Bundle;
import android.os.StrictMode;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.RatingBar;
import android.widget.TextView;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
public class MainActivity extends Activity {
public TextView txtView;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if (android.os.Build.VERSION.SDK_INT > 9) {
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
}
txtView = (TextView)findViewById(R.id.textView1); // TextView
// Button1
final Button btn1 = (Button) findViewById(R.id.button1);
btn1.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
final AlertDialog.Builder popDialog = new AlertDialog.Builder(MainActivity.this);
final RatingBar rating = new RatingBar(MainActivity.this);
rating.setMax(5);
popDialog.setIcon(android.R.drawable.btn_star_big_on);
popDialog.setTitle("Vote!! ");
popDialog.setView(rating);
// Button OK
popDialog.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
txtView.setText(String.valueOf(rating.getProgress()));
dialog.dismiss();
}
})
// Button Cancel
.setNegativeButton("Cancel",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
dialog.cancel();
}
});
popDialog.create();
popDialog.show();
}
});
}
}
สามารถ set เพิ่มหรือลดจำนวนดาวได้ที่โค้ด rating.setMax();
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ผลลัพธ์ :
ที่มา : Thaicreate
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