About Android Development implementation drag bars and star reviews

Drag bar Assembly (SeekBar)

<SeekBar Android:id="@+id/seekbar1"Android:layout_width="match_parent"Android:layout_height="wrap_content"Android:max=" -"      //set the maximum valueandroid:progress="0"   //Set initial valueandroid:padding="10px"/>

Star rating Strips (Ratingbar)

<Ratingbar Android:id="@+id/ratingbar1"Android:layout_width="wrap_content"Android:layout_height="wrap_content"Android:numstars="5" //set several starsandroid:rating="3.5"    //set the initial star ratingAndroid:isindicator="false"  //setting allows users to change star rating/>

Full code

Layout

<?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"android:orientation="Vertical"> <TextView Android:id="@+id/now_num"Android:layout_width="wrap_content"Android:layout_height="wrap_content"Android:text="Current value: 0"android:textappearance="? Android:attr/textappearancelarge"/> <SeekBar Android:id="@+id/seekbar1"Android:layout_width="match_parent"Android:layout_height="wrap_content"Android:max=" -"android:progress="0"android:padding="10px"/> <Ratingbar Android:id="@+id/ratingbar1"Android:layout_width="wrap_content"Android:layout_height="wrap_content"Android:numstars="5"android:rating="3.5"Android:isindicator="false"/> <Button Android:id="@+id/button_star"Android:layout_width="wrap_content"Android:layout_height="wrap_content"Android:text="Ratings"/></linearlayout>

Java files

1 Package Lianxi;2 3 import Com.example.jichu_lianxi. R;4 5 import android.app.Activity;6 import Android.os.Bundle;7 import Android.util.Log;8 import Android.view.View;9 import Android.view.View.OnClickListener;Ten import Android.widget.Button; One import Android.widget.RatingBar; A import Android.widget.SeekBar; - import Android.widget.SeekBar.OnSeekBarChangeListener; - import Android.widget.TextView; the import Android.widget.Toast; -  -  Public classSeekbar_or_ratingbar extends activity{ -     PrivateSeekBar SeekBar;//Drag Bar +     PrivateTextView text;//text box showing the current value of the drag bar -     PrivateButton Button_star;//Scoring Buttons +     PrivateRatingbar Ratingbar; A @Override at     protected voidonCreate (Bundle savedinstancestate) { -         //TODO auto-generated Method Stub - super.oncreate (savedinstancestate); - Setcontentview (r.layout.seekbar_or_ratingbar); -          -Seekbar =(SeekBar) Findviewbyid (R.ID.SEEKBAR1); inText =(TextView) Findviewbyid (r.id.now_num); -Button_star =(Button) Findviewbyid (R.id.button_star); toRatingbar =(Ratingbar) Findviewbyid (R.ID.RATINGBAR1); +         //The response event of the drag bar -Seekbar.setonseekbarchangelistener (NewOnseekbarchangelistener () { the              *             //response event at end of drag $ @OverridePanax Notoginseng              Public voidOnstoptrackingtouch (SeekBar SeekBar) { -                 //TODO auto-generated Method Stub theToast.maketext (Seekbar_or_ratingbar. This,"End Slide", Toast.length_short). Show (); +                  A             } the             //response event when starting to drag + @Override -              Public voidOnstarttrackingtouch (SeekBar SeekBar) { $                 //TODO auto-generated Method Stub $Toast.maketext (Seekbar_or_ratingbar. This,"Start Sliding", Toast.length_short). Show (); -             } -             //responding to events during drag the @Override -              Public voidOnprogresschanged (SeekBar SeekBar,intProgress, Boolean Fromuser) {Wuyi                 //TODO auto-generated Method Stub theText.settext ("Current Value:"+progress);  -             } Wu         }); -         //response events for the scoring button AboutButton_star.setonclicklistener (NewOnclicklistener () { $              - @Override -              Public voidOnClick (View v) { -                 //TODO auto-generated Method Stub A                 intresult = Ratingbar.getprogress ();//Get Progress +                 floatRating = Ratingbar.getrating ();//Get Rank the                 floatStep = Ratingbar.getstepsize ();//get the minimum number of stars to change at a time -Toast.maketext (Seekbar_or_ratingbar. This,"you got it."+rating+"Star", Toast.length_short). Show (); $                  the                  the             } the         }); the     } -  in}

About Android Development implementation drag bars and star reviews