add start screen animation

SlaVcE14 · Dec 20, 2023 · 88ce83b · 88ce83b
1 parent 8b663ef
commit 88ce83b
Show file tree

Hide file tree

Showing 5 changed files with 133 additions and 0 deletions.
diff --git a/app/src/main/java/com/sjapps/jsonlist/MainActivity.java b/app/src/main/java/com/sjapps/jsonlist/MainActivity.java
@@ -22,8 +22,12 @@
 import android.view.ViewGroup;
 import android.view.animation.Animation;
 import android.view.animation.AnimationUtils;
+import android.view.animation.DecelerateInterpolator;
+import android.view.animation.Interpolator;
+import android.view.animation.OvershootInterpolator;
 import android.widget.Button;
 import android.widget.ImageButton;
+import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.ListView;
 import android.widget.ProgressBar;
@@ -50,6 +54,7 @@ public class MainActivity extends AppCompatActivity {
 
     final String TAG = "MainActivity";
     ImageButton backBtn, menuBtn;
+    ImageView fileImg;
     Button openFileBtn;
     TextView titleTxt, emptyListTxt;
     ListView list;
@@ -75,6 +80,10 @@ protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
         initialize();
+
+        setAnimation(this,fileImg,R.anim.scale_in_file_img, new DecelerateInterpolator());
+        setAnimation(this,openFileBtn,R.anim.button_pop, new OvershootInterpolator());
+
         autoTransition.setDuration(150);
         menuBtn.setOnClickListener(view -> open_closeMenu());
 
@@ -155,6 +164,7 @@ private void initialize() {
         dim_bg = findViewById(R.id.dim_layout);
         progressView = findViewById(R.id.loadingView);
         progressBar = findViewById(R.id.progressBar);
+        fileImg = findViewById(R.id.fileImg);
         dim_bg.bringToFront();
         menu.bringToFront();
         menuBtn.bringToFront();
@@ -225,7 +235,12 @@ private void LoadData(String Data) {
                     TransitionManager.beginDelayedTransition(viewGroup, autoTransition);
                     adapter = new ListAdapter(data.getRootList(), MainActivity.this, "");
                     list.setAdapter(adapter);
+                    fileImg.clearAnimation();
+                    openFileBtn.clearAnimation();
+                    fileImg.setVisibility(View.GONE);
                     openFileBtn.setVisibility(View.GONE);
+                    setAnimation(MainActivity.this,list,R.anim.scale_in2,new DecelerateInterpolator());
+                    list.setVisibility(View.VISIBLE);
                     backBtn.setVisibility(View.GONE);
                     titleTxt.setText("");
                     data.clearPath();
@@ -363,8 +378,15 @@ void loadingFinished(boolean isFinished){
         },1000);
     }
 
+
     public static void setAnimation(Context context, @NonNull View view, @AnimRes int animationRes) {
+        setAnimation(context,view,animationRes,null);
+    }
+
+    public static void setAnimation(Context context, @NonNull View view, @AnimRes int animationRes, Interpolator interpolator) {
         Animation animation = AnimationUtils.loadAnimation(context, animationRes);
+        if (interpolator != null)
+            animation.setInterpolator(interpolator);
         view.startAnimation(animation);
     }
 

diff --git a/app/src/main/res/anim/button_pop.xml b/app/src/main/res/anim/button_pop.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android"
+    android:duration="400"
+    android:startOffset="400"
+    >
+    <scale android:pivotY="100%"
+        android:pivotX="50%"
+        android:fromXScale="1"
+        android:fromYScale="1"
+        android:toXScale="1.2"
+        android:toYScale="1.2"
+        />
+
+    <set android:startOffset="400">
+        <scale android:pivotY="100%"
+            android:pivotX="50%"
+            android:fromXScale="1"
+            android:fromYScale="1"
+            android:toXScale="0.84"
+            android:toYScale="0.84"
+            />
+
+    </set>
+
+
+</set>
diff --git a/app/src/main/res/anim/scale_in2.xml b/app/src/main/res/anim/scale_in2.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android"
+    android:duration="600"
+    >
+
+    <translate
+        android:fromYDelta="30%"
+        android:toYDelta="0"
+
+        />
+
+    <scale
+        android:pivotY="100%"
+        android:pivotX="50%"
+        android:fromXScale=".6"
+        android:fromYScale=".6"
+        android:toXScale="1"
+        android:toYScale="1"
+        />
+    <alpha
+        android:fromAlpha="0"
+        android:toAlpha="1"/>
+
+</set>
diff --git a/app/src/main/res/anim/scale_in_file_img.xml b/app/src/main/res/anim/scale_in_file_img.xml
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http://schemas.android.com/apk/res/android"
+    android:duration="800"
+    android:startOffset="600"
+    >
+    <scale android:pivotY="100%"
+        android:pivotX="50%"
+        android:fromXScale=".3"
+        android:fromYScale=".3"
+        android:toXScale="1"
+        android:toYScale="1"
+        />
+    <translate
+
+        android:fromYDelta="15%"
+        android:toYDelta="0"
+        />
+
+
+
+    <rotate
+
+        android:pivotX="100%"
+        android:pivotY="50%"
+        android:fromDegrees="-15"
+        android:toDegrees="10"
+
+        />
+
+    <set android:startOffset="850"
+        android:duration="10">
+
+        <rotate
+            android:pivotX="100%"
+            android:pivotY="50%"
+            android:fromDegrees="0"
+            android:toDegrees="-10"
+
+            />
+
+    </set>
+
+    <alpha
+        android:fromAlpha="0"
+        android:toAlpha="1"/>
+
+</set>
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
@@ -83,8 +83,22 @@
         android:divider="@null"
         android:layout_below="@+id/titlePanel"
         android:listSelector="@drawable/transparent_drawable"
+        android:visibility="gone"
         />
 
+    <ImageView
+        android:id="@+id/fileImg"
+        android:layout_width="140dp"
+        android:layout_height="140dp"
+        android:layout_centerHorizontal="true"
+        android:layout_above="@id/openFileBtn"
+        android:background="@drawable/ic_open_file_foreground"
+        android:backgroundTint="?colorPrimary"
+        android:scaleX="2"
+        android:scaleY="2"
+        android:rotation="-15"
+    />
+
     <Button
         android:id="@+id/openFileBtn"
         android:layout_width="wrap_content"