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AshleshkAshleshk
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HideAndShow App
Learnt about showing And Hiding Of Texboxes and Labels
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‎HideAndShow/src/androidTest/java/com/lenovo/hideandshow/ExampleInstrumentedTest.java

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

‎HideAndShow/src/main/AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.lenovo.hideandshow">
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<application
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android:allowBackup="true"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:supportsRtl="true"
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android:theme="@style/AppTheme">
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<activity android:name=".MainActivity">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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</manifest>

‎HideAndShow/src/main/java/com/lenovo/hideandshow/MainActivity.java

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package com.lenovo.hideandshow;
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import android.support.v7.app.AppCompatActivity;
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import android.os.Bundle;
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import android.view.View;
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import android.widget.TextView;
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import org.w3c.dom.Text;
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public class MainActivity extends AppCompatActivity {
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TextView textView;
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public void show(View view)
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{
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textView.setVisibility(View.VISIBLE);
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}
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public void hide(View view)
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{
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textView.setVisibility(View.INVISIBLE);
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}
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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textView = (TextView)findViewById(R.id.textView);
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}
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}

‎HideAndShow/src/main/res/layout/activity_main.xml

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<?xml version="1.0" encoding="utf-8"?>
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<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools"
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android:id="@+id/activity_main"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:paddingBottom="@dimen/activity_vertical_margin"
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android:paddingLeft="@dimen/activity_horizontal_margin"
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android:paddingRight="@dimen/activity_horizontal_margin"
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android:paddingTop="@dimen/activity_vertical_margin"
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tools:context="com.lenovo.hideandshow.MainActivity">
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<TextView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="Hello World!"
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android:id="@+id/textView" />
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<Button
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android:text="show"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:layout_below="@+id/textView"
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android:layout_marginTop="20dp"
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android:id="@+id/showbutton"
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android:onClick="show" />
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<Button
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android:text="hide"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:id="@+id/hideButton"
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android:layout_alignBaseline="@+id/showbutton"
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android:layout_alignBottom="@+id/showbutton"
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android:layout_centerHorizontal="true"
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android:onClick="hide" />
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</RelativeLayout>

‎HideAndShow/src/main/res/mipmap-hdpi/ic_launcher.png

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‎HideAndShow/src/main/res/mipmap-mdpi/ic_launcher.png

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‎HideAndShow/src/main/res/mipmap-xhdpi/ic_launcher.png

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‎HideAndShow/src/main/res/mipmap-xxhdpi/ic_launcher.png

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‎HideAndShow/src/main/res/mipmap-xxxhdpi/ic_launcher.png

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‎HideAndShow/src/main/res/values-w820dp/dimens.xml

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<resources>
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<!-- Example customization of dimensions originally defined in res/values/dimens.xml
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(such as screen margins) for screens with more than 820dp of available width. This
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would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->
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<dimen name="activity_horizontal_margin">64dp</dimen>
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</resources>

‎HideAndShow/src/main/res/values/colors.xml

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<?xml version="1.0" encoding="utf-8"?>
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<resources>
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<color name="colorPrimary">#3F51B5</color>
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<color name="colorPrimaryDark">#303F9F</color>
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<color name="colorAccent">#FF4081</color>
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</resources>

‎HideAndShow/src/main/res/values/dimens.xml

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<resources>
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<!-- Default screen margins, per the Android Design guidelines. -->
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<dimen name="activity_horizontal_margin">16dp</dimen>
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<dimen name="activity_vertical_margin">16dp</dimen>
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</resources>

‎HideAndShow/src/main/res/values/strings.xml

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<resources>
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<string name="app_name">Hide And Show</string>
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</resources>

‎HideAndShow/src/main/res/values/styles.xml

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<resources>
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<!-- Base application theme. -->
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<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
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<!-- Customize your theme here. -->
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<item name="colorPrimary">@color/colorPrimary</item>
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<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
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<item name="colorAccent">@color/colorAccent</item>
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</style>
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</resources>

‎HideAndShow/src/test/java/com/lenovo/hideandshow/ExampleUnitTest.java

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package com.lenovo.hideandshow;
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import org.junit.Test;
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import static org.junit.Assert.*;
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/**
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* Example local unit test, which will execute on the development machine (host).
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*
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* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
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*/
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public class ExampleUnitTest {
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@Test
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public void addition_isCorrect() throws Exception {
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assertEquals(4, 2 + 2);
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}
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}

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