added demo app for global animations

animations-simplified/src/main/AndroidManifest.xml

@@ -9,13 +9,15 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-        <activity android:name=".AnimationActivity">
+        <activity android:name=".FirstActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN"/>
 
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
+        <activity android:name=".SecondActivity">
+        </activity>
     </application>
 
 </manifest>

animations-simplified/src/main/java/com/rohitss/animationssimplified/BaseActivity.java

@@ -0,0 +1,41 @@
+package com.rohitss.animationssimplified;
+
+import android.content.Intent;
+import android.support.v7.app.AppCompatActivity;
+
+/**
+ * Created by JayYogeshwar on 22-09-2017.
+ */
+public class BaseActivity extends AppCompatActivity {
+    @Override
+    public void finish() {
+        super.finish();
+        overridePendingTransitionExit();
+    }
+
+    @Override
+    public void startActivity(Intent intent) {
+        super.startActivity(intent);
+        overridePendingTransitionEnter();
+    }
+
+    /**
+     * Overrides the pending Activity transition by performing the "Enter" animation.
+     */
+    protected void overridePendingTransitionEnter() {
+        overridePendingTransition(R.anim.slide_from_right, R.anim.slide_to_left);
+    }
+
+    /**
+     * Overrides the pending Activity transition by performing the "Exit" animation.
+     */
+    protected void overridePendingTransitionExit() {
+        overridePendingTransition(R.anim.slide_from_left, R.anim.slide_to_right);
+    }
+
+    @Override
+    public void onBackPressed() {
+        super.onBackPressed();
+        overridePendingTransitionExit();
+    }
+}

animations-simplified/src/main/java/com/rohitss/animationssimplified/FirstActivity.java

@@ -0,0 +1,79 @@
+package com.rohitss.animationssimplified;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+
+public class FirstActivity extends BaseActivity implements View.OnClickListener {
+    private TextView textViewRight;
+    private TextView textViewLeft;
+    private TextView textViewTop;
+    private Button buttonActivity;
+    private Button buttonAddRight;
+    private Button buttonRemoveLeft;
+    private Button buttonAddLeft;
+    private Button buttonRemoveRight;
+    private Button buttonAddTop;
+    private Button buttonRemoveBottom;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_first);
+        textViewRight = (TextView) findViewById(R.id.textViewRight);
+        textViewLeft = (TextView) findViewById(R.id.textViewLeft);
+        textViewTop = (TextView) findViewById(R.id.textViewTop);
+        buttonActivity = (Button) findViewById(R.id.buttonActivity);
+        buttonAddRight = (Button) findViewById(R.id.buttonAddRight);
+        buttonRemoveLeft = (Button) findViewById(R.id.buttonRemoveLeft);
+        buttonAddLeft = (Button) findViewById(R.id.buttonAddLeft);
+        buttonRemoveRight = (Button) findViewById(R.id.buttonRemoveRight);
+        buttonAddTop = (Button) findViewById(R.id.buttonAddTop);
+        buttonRemoveBottom = (Button) findViewById(R.id.buttonRemoveBottom);
+        buttonActivity.setOnClickListener(this);
+        buttonAddRight.setOnClickListener(this);
+        buttonAddLeft.setOnClickListener(this);
+        buttonAddTop.setOnClickListener(this);
+        buttonRemoveRight.setOnClickListener(this);
+        buttonRemoveLeft.setOnClickListener(this);
+        buttonRemoveBottom.setOnClickListener(this);
+        textViewRight.setVisibility(View.INVISIBLE);
+        textViewLeft.setVisibility(View.INVISIBLE);
+        textViewTop.setVisibility(View.INVISIBLE);
+    }
+
+    @Override
+    public void onClick(View view) {
+        switch (view.getId()) {
+            case R.id.buttonActivity:
+                startActivity(new Intent(FirstActivity.this, SecondActivity.class));
+                break;
+            case R.id.buttonAddRight:
+                textViewRight.setVisibility(View.VISIBLE);
+                SlideAnimationUtil.slideInFromRight(this, textViewRight);
+                break;
+            case R.id.buttonRemoveLeft:
+                textViewRight.setVisibility(View.INVISIBLE);
+                SlideAnimationUtil.slideOutToLeft(this, textViewRight);
+                break;
+            case R.id.buttonAddLeft:
+                textViewLeft.setVisibility(View.VISIBLE);
+                SlideAnimationUtil.slideInFromLeft(this, textViewLeft);
+                break;
+            case R.id.buttonRemoveRight:
+                textViewLeft.setVisibility(View.INVISIBLE);
+                SlideAnimationUtil.slideOutToRight(this, textViewLeft);
+                break;
+            case R.id.buttonAddTop:
+                textViewTop.setVisibility(View.VISIBLE);
+                SlideAnimationUtil.slideInFromTop(this, textViewTop);
+                break;
+            case R.id.buttonRemoveBottom:
+                textViewTop.setVisibility(View.INVISIBLE);
+                SlideAnimationUtil.slideOutToBottom(this, textViewTop);
+                break;
+        }
+    }
+}

animations-simplified/src/main/java/com/rohitss/animationssimplified/AnimationActivity.java → animations-simplified/src/main/java/com/rohitss/animationssimplified/SecondActivity.java

@@ -1,12 +1,11 @@
 package com.rohitss.animationssimplified;
 
 import android.os.Bundle;
-import android.support.v7.app.AppCompatActivity;
 
-public class AnimationActivity extends AppCompatActivity {
+public class SecondActivity extends BaseActivity {
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_animation);
+        setContentView(R.layout.activity_second);
     }
 }

animations-simplified/src/main/java/com/rohitss/animationssimplified/SlideAnimationUtil.java

@@ -0,0 +1,87 @@
+package com.rohitss.animationssimplified;
+
+import android.content.Context;
+import android.view.View;
+import android.view.animation.AnimationUtils;
+
+/**
+ * <b></b>
+ * <p>This class is used to </p>
+ * Animate any view using "SlideAnimationUtil.slideInFromLeft(context, view);"
+ * Created by Rohit.
+ */
+public class SlideAnimationUtil {
+    /**
+     * Animates a view so that it slides in from the left of it's container.
+     *
+     * @param context
+     * @param view
+     */
+    public static void slideInFromLeft(Context context, View view) {
+        runSimpleAnimation(context, view, R.anim.slide_from_left);
+    }
+
+    /**
+     * Animates a view so that it slides from its current position, out of view to the left.
+     *
+     * @param context
+     * @param view
+     */
+    public static void slideOutToLeft(Context context, View view) {
+        runSimpleAnimation(context, view, R.anim.slide_to_left);
+    }
+
+    /**
+     * Animates a view so that it slides in the from the right of it's container.
+     *
+     * @param context
+     * @param view
+     */
+    public static void slideInFromRight(Context context, View view) {
+        runSimpleAnimation(context, view, R.anim.slide_from_right);
+    }
+
+    /**
+     * Animates a view so that it slides from its current position, out of view to the right.
+     *
+     * @param context
+     * @param view
+     */
+    public static void slideOutToRight(Context context, View view) {
+        runSimpleAnimation(context, view, R.anim.slide_to_right);
+    }
+
+    /**
+     * Animates a view so that it slides in the from the right of it's container.
+     *
+     * @param context
+     * @param view
+     */
+    public static void slideInFromTop(Context context, View view) {
+        runSimpleAnimation(context, view, R.anim.slide_from_top);
+    }
+
+    /**
+     * Animates a view so that it slides from its current position, out of view to the right.
+     *
+     * @param context
+     * @param view
+     */
+    public static void slideOutToBottom(Context context, View view) {
+        runSimpleAnimation(context, view, R.anim.slide_to_bottom);
+    }
+
+    /**
+     * Runs a simple animation on a View with no extra parameters.
+     *
+     * @param context
+     * @param view
+     * @param animationId
+     */
+    private static void runSimpleAnimation(Context context, View view, int animationId) {
+        view.startAnimation(AnimationUtils.loadAnimation(
+                context, animationId
+        ));
+    }
+}
+

animations-simplified/src/main/res/anim/slide_from_left.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <translate
+        android:duration="300"
+        android:fromXDelta="-100%p"
+        android:interpolator="@android:anim/accelerate_decelerate_interpolator"
+        android:toXDelta="0"/>
+</set>

animations-simplified/src/main/res/anim/slide_from_right.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <translate
+        android:duration="300"
+        android:fromXDelta="100%p"
+        android:interpolator="@android:anim/accelerate_decelerate_interpolator"
+        android:toXDelta="0"/>
+</set>

animations-simplified/src/main/res/anim/slide_from_top.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <translate
+        android:duration="300"
+        android:fromYDelta="-100%"
+        android:interpolator="@android:anim/accelerate_decelerate_interpolator"
+        android:toYDelta="0"/>
+</set>

animations-simplified/src/main/res/anim/slide_to_bottom.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <translate
+        android:duration="300"
+        android:fromYDelta="0"
+        android:interpolator="@android:anim/accelerate_decelerate_interpolator"
+        android:toYDelta="-100%p"/>
+</set>

animations-simplified/src/main/res/anim/slide_to_left.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <translate
+        android:duration="300"
+        android:fromXDelta="0"
+        android:interpolator="@android:anim/accelerate_decelerate_interpolator"
+        android:toXDelta="-100%p"/>
+</set>

animations-simplified/src/main/res/anim/slide_to_right.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <translate
+        android:duration="300"
+        android:fromXDelta="0"
+        android:interpolator="@android:anim/accelerate_decelerate_interpolator"
+        android:toXDelta="100%p"/>
+</set>