Android-gesture recognition (custom gesture recognition: four custom gestures)

<span id="Label3"></p><span style="font-family:Comic Sans MS; font-size:18px"><span style="font-family:Comic Sans MS; font-size:18px">1. Review</span></span><p><p><span style="font-family:Comic Sans MS; font-size:18px">The previous implementation:</span></p></p><p><p><span style="font-family:Comic Sans MS; font-size:18px"></span></p></p><p style="font-family:‘Comic Sans MS‘; font-size:18px"><p style="font-family:‘Comic Sans MS‘; font-size:18px"><span style="font-size:18px">(1) Ontouchlistener Realization of the upper and lower left hand gesture recognition</span></p></p><p style="font-family:‘Comic Sans MS‘; font-size:18px"><p style="font-family:‘Comic Sans MS‘; font-size:18px"><span style="font-size:18px">(2) Ontouchlistener + Simpleongesturelistener + gesturedetector to realize the upper and lower left hand gesture recognition</span></p></p><span style="font-family:Comic Sans MS; font-size:18px"><span style="font-family:Comic Sans MS; font-size:18px">2. Focus</span></span><p><p><span style="font-family:Comic Sans MS; font-size:18px"> </span> <span style="font-size:18px; font-family:‘Comic Sans MS‘">(1) gestureoverlayview + gesturelibrary + ongestureperformedlistener for custom gesture recognition</span></p></p><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘">(2)<span style="color:#cc0000">Demo Download</span></span></p></p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><span style="font-size:18px; font-family:‘Comic Sans MS‘">3.</span></span><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><br></span></p></p><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><br></span></p></p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><span style="font-size:18px; font-family:‘Comic Sans MS‘">4. Basic Steps</span></span><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘">(1) Custom gesture Recognition files</span></p></p><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘">(2) Loading gesture File</span></p></p><p><p><span style="font-family:Comic Sans MS"><span style="font-size:18px">(3) <span style="font-family:‘Comic Sans MS‘; font-size:18px">Layout Implementation</span></span></span></p></p><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘">(4) recognition/reading gestures</span></p></p><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘"></span></p></p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><span style="font-size:18px; font-family:‘Comic Sans MS‘">5. Custom gesture Files</span></span><span style="font-size:18px; font-family:‘Comic Sans MS‘"><span style="font-size:18px; font-family:‘Comic Sans MS‘">5.1 New Android simple Project</span></span><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘">Take eclipse as an example: <span style="font-family:‘Comic Sans MS‘; font-size:18px">android simple Project,</span> File, New, other, Android</span></p></p><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><span style="font-family:‘Comic Sans MS‘; font-size:18px"><br></span></span></p></p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><span style="font-size:18px; font-family:‘Comic Sans MS‘"><span style="font-family:‘Comic Sans MS‘; font-size:18px">5.2 Next Select Android version</span></span></span><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><span style="font-family:‘Comic Sans MS‘; font-size:18px"><br></span></span></p></p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><span style="font-size:18px; font-family:‘Comic Sans MS‘"><span style="font-family:‘Comic Sans MS‘; font-size:18px">5.3 Next Select Gesturebuilder</span></span></span><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><span style="font-family:‘Comic Sans MS‘; font-size:18px"><br></span></span></p></p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><span style="font-size:18px; font-family:‘Comic Sans MS‘"><span style="font-family:‘Comic Sans MS‘; font-size:18px">5.4 Finish</span></span></span><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><span style="font-family:‘Comic Sans MS‘; font-size:18px">Right-click Run Project--run and click Add Gesture---draw on your own defined gestures------done;</span></span></p></p><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><span style="font-family:‘Comic Sans MS‘; font-size:18px"><br></span></span></p></p><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><span style="font-family:‘Comic Sans MS‘; font-size:18px"><br></span></span></p></p><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><span style="font-family:‘Comic Sans MS‘; font-size:18px"><br></span></span></p></p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><span style="font-size:18px; font-family:‘Comic Sans MS‘">5.5 getting gestrue gesture files</span></span><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘">When clicked done, Show Toast Reminder file Address---save in sdcard, you can export;</span></p></p><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><br></span></p></p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><span style="font-size:18px; font-family:‘Comic Sans MS‘">6. Load gestrue gesture file</span></span><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘">(1) Create a new raw folder under the Res folder;</span></p></p><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘">(2) Copy the gesture to the raw folder;</span></p></p><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘">(3) OnCreate in Riga</span></p></p><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘"></span></p></p><pre name="code" class="java"><pre name="code" class="java">Private Gesturelibrary library;</pre></pre><br><pre name="code" class="java"><pre name="code" class="java">Load gesture file library=gesturelibraries.fromrawresource (mainactivity.this,r.raw.gestures); library.load ();</pre></pre><br><p><p></p></p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><span style="font-size:18px; font-family:‘Comic Sans MS‘">7. Layout Implementation</span></span><p><p></p></p><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘">(1) add Gestureoverlayview in the layout file, you can put your own control in the layout;</span></p></p><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><br></span></p></p><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><br></span></p></p><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘">(2) example:</span></p></p><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘"></span></p></p><pre name="code" class="html"><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 "tools:context = "${relativepackage}.${activityclass}" > <android.gesture.gestureoverlayview android:id= "@+id/gestureOverl AyView1 "android:layout_width=" match_parent "android:layout_height=" match_parent "android:layout_cent erinparent= "true" > <imageview android:id= "@+id/img_test" android:layout_width = "match_parent" android:layout_height= "match_parent" android:layout_centerinparent= "true" android:l ayout_gravity= "center" android:src= "@drawable/icon_location"/> <textview android:id= "@ +id/textview1 "android:layout_width=" wrap_content "android:layout_height=" wrap_content " android:layout_margintop= "20dp" android:layout_gravity= "center|top" android:text= "no sliding" android:textcolor= "#0000ff" Android:textsize= "25sp"/> </android.gesture.GestureOverlayView></RelativeLayout></pre><br><br><p><p></p></p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><span style="font-size:18px; font-family:‘Comic Sans MS‘">8. Identify gestures</span></span><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘">(1) Realize Ongestureperformedlistener Monitoring</span></p></p><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘"></span></p></p><pre name="code" class="java"><pre name="code" class="java">/** * Third Way Custom mode * *///set Listener class Gestureoverlaylistener implements ongestureperformedlistener{@Overridepublic void ongestureperformed (gestureoverlayview overlay,gesture Gesture) {// Recognition Gesture: Read the gesture file through the library, read arraylist<prediction> predictions=library.recognize (gesture) here;//go First. Fetch the first prediction Prediction=predictions.get (0);//hint value string str= "no change Gesture";//more similarity to get interval (0.0~10.0 approximate interval) if ( Prediction.score>=5.0) {//by name to determine the value if (prediction.name.equals ("error")) {str= "error: sorry, wrong! "; Img_test.setimageresource (r.drawable.icon_error);} else if (prediction.name.equals ("light")) {str= "light: I am lightning"; img_test.setimageresource (r.drawable.icon_light);} else if (prediction.name.equals ("none")) {str= "none: nothing"; img_test.setimageresource (r.drawable.icon_none);} else if (prediction.name.equals ("right")) {str= "true: congratulations! "; Img_test.setimageresource (r.drawable.icon_true);}} Textview1.settext (str); Toast.maketext (mainactivity.this,str,toast.length_short). Show ();}} </pre></pre><br><p><p></p></p><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘">(2) initializing controls and adding listeners</span></p></p><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘"></span></p></p><pre name="code" class="java"><pre name="code" class="java">gestureoverlayview1= (gestureoverlayview) Findviewbyid (r.id.gestureoverlayview1);// Add Gestureoverlayview1.addongestureperformedlistener (new Gestureoverlaylistener ());</pre></pre><br><p><p></p></p><span style="font-size:18px; font-family:‘Comic Sans MS‘"><span style="font-size:18px; font-family:‘Comic Sans MS‘">9.demo Downloads</span></span><p><p></p></p><p><p><span style="font-size:18px; font-family:‘Comic Sans MS‘">http://download.csdn.net/detail/lablenet/9063867<br></span></p></p><p><p><br></p></p> <p style="font-size:12px;"><p style="font-size:12px;">Copyright Notice: This article for Bo Master original article, without Bo Master permission not Reproduced.</p></p> <p><p>Android-gesture recognition (custom gesture recognition: four custom gestures)</p></p></span>