Chapter 2

Author: merttanm

LoginUIforTouchListener/.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

LoginUIforTouchListener/.idea/.gitignore

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+/build

LoginUIforTouchListener/.idea/compiler.xml

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+plugins {
+    id 'com.android.application'
+}
+
+android {
+    compileSdkVersion 30
+    buildToolsVersion "30.0.2"
+
+    defaultConfig {
+        applicationId "com.merttan.loginuifortouchlistener"
+        minSdkVersion 30
+        targetSdkVersion 30
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+
+    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'com.google.android.material:material:1.3.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+    testImplementation 'junit:junit:4.+'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.2'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0'
+}

LoginUIforTouchListener/.idea/gradle.xml

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

LoginUIforTouchListener/.idea/jarRepositories.xml

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+package com.merttan.loginuifortouchlistener;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("com.merttan.loginuifortouchlistener", appContext.getPackageName());
+    }
+}

LoginUIforTouchListener/.idea/misc.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.merttan.loginuifortouchlistener">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.LoginUIforTouchListener">
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <meta-data
+            android:name="preloaded_fonts"
+            android:resource="@array/preloaded_fonts" />
+    </application>
+
+</manifest>

LoginUIforTouchListener/.idea/vcs.xml

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+package com.merttan.loginuifortouchlistener;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.os.Bundle;
+import android.view.Window;
+import android.view.WindowManager;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+public class MainActivity extends AppCompatActivity {
+    ImageView imageView;
+    TextView textView;
+    int count = 0;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        requestWindowFeature(Window.FEATURE_NO_TITLE);
+        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
+        setContentView(R.layout.activity_main);
+        imageView = findViewById(R.id.imageView);
+        textView = findViewById(R.id.textView);
+        imageView.setOnTouchListener(new TouchListener(getApplicationContext()) {
+            public void onSwipeTop() {
+            }
+
+            public void onSwipeRight() {
+                if (count == 0) {
+                    imageView.setImageResource(R.drawable.ninht);
+                    textView.setText("Night");
+                    count = 1;
+                } else {
+                    imageView.setImageResource(R.drawable.morning);
+                    textView.setText("Morning");
+                    count = 0;
+                }
+            }
+
+            public void onSwipeLeft() {
+                if (count == 0) {
+                    imageView.setImageResource(R.drawable.ninht);
+                    textView.setText("Night");
+                    count = 1;
+                } else {
+                    imageView.setImageResource(R.drawable.morning);
+                    textView.setText("Morning");
+                    count = 0;
+                }
+            }
+
+            public void onSwipeBottom() {
+            }
+
+        });
+    }
+}

LoginUIforTouchListener/app/.gitignore

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+package com.merttan.loginuifortouchlistener;
+
+import android.content.Context;
+import android.view.GestureDetector;
+import android.view.MotionEvent;
+import android.view.View;
+
+public class TouchListener implements View.OnTouchListener {
+
+        private final GestureDetector gestureDetector;
+
+        public TouchListener(Context ctx){
+            gestureDetector =new GestureDetector(ctx, new GestureListener());
+        }
+      @Override
+        public boolean onTouch(View v, MotionEvent event){
+            return gestureDetector.onTouchEvent(event);
+      }
+        private final class GestureListener extends GestureDetector.SimpleOnGestureListener{
+            private static final int SWIPE_THRESHOLD = 100;
+            private static final int SWIPE_VELOCITY_THRESHOLD = 100;
+
+            @Override
+            public boolean onDown(MotionEvent e) {
+                return true;
+            }
+            @Override
+            public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
+                boolean result = false;
+                try {
+                    float diffY = e2.getY() - e1.getY();
+                    float diffX = e2.getX() - e1.getX();
+                    if (Math.abs(diffX) > Math.abs(diffY)) {
+                        if (Math.abs(diffX) > SWIPE_THRESHOLD && Math.abs(velocityX) > SWIPE_VELOCITY_THRESHOLD) {
+                            if (diffX > 0) {
+                                onSwipeRight();
+                            } else {
+                                onSwipeLeft();
+                            }
+                            result = true;
+                        }
+                    }
+                    else if (Math.abs(diffY) > SWIPE_THRESHOLD && Math.abs(velocityY) > SWIPE_VELOCITY_THRESHOLD) {
+                        if (diffY > 0) {
+                            onSwipeBottom();
+                        } else {
+                            onSwipeTop();
+                        }
+                        result = true;
+                    }
+                } catch (Exception exception) {
+                    exception.printStackTrace();
+                }
+                return result;
+            }
+        }
+
+            public void onSwipeRight() {
+            }
+
+            public void onSwipeLeft() {
+            }
+
+            public void onSwipeTop() {
+            }
+
+            public void onSwipeBottom() {
+            }
+        }

LoginUIforTouchListener/app/build.gradle

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+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item>
+        <shape android:shape="rectangle">
+            <corners android:radius="8dp" />
+            <solid android:color="@android:color/transparent"/>
+            <stroke android:color="#96ffffff"
+                android:width="2dp"/>
+        </shape>
+    </item>
+</selector>

LoginUIforTouchListener/app/proguard-rules.pro

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+<vector android:height="24dp" android:tint="#FEFDFF"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M20,4L4,4c-1.1,0 -1.99,0.9 -1.99,2L2,18c0,1.1 0.9,2 2,2h16c1.1,0 2,-0.9 2,-2L22,6c0,-1.1 -0.9,-2 -2,-2zM20,8l-8,5 -8,-5L4,6l8,5 8,-5v2z"/>
+</vector>

LoginUIforTouchListener/app/src/androidTest/java/com/merttan/loginuifortouchlistener/ExampleInstrumentedTest.java

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+<vector android:height="24dp" android:tint="#FEFDFF"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M18,8h-1L17,6c0,-2.76 -2.24,-5 -5,-5S7,3.24 7,6v2L6,8c-1.1,0 -2,0.9 -2,2v10c0,1.1 0.9,2 2,2h12c1.1,0 2,-0.9 2,-2L20,10c0,-1.1 -0.9,-2 -2,-2zM12,17c-1.1,0 -2,-0.9 -2,-2s0.9,-2 2,-2 2,0.9 2,2 -0.9,2 -2,2zM15.1,8L8.9,8L8.9,6c0,-1.71 1.39,-3.1 3.1,-3.1 1.71,0 3.1,1.39 3.1,3.1v2z"/>
+</vector>