feat: allow hide background image

3 files changed, 41 insertions, 7 deletions

diff --git a/README.md b/README.md
index da17b70..695949f 100644
--- a/README.md
+++ b/README.md
@@ -40,19 +40,31 @@ Beautiful animations and views from AOSP
  ![animation](https://raw.githubusercontent.com/AndroidSnippet/Animations/master/art/FingerprintAnimationImageView_0.PNG)
 
  ```xml
- <ImageView
+ <android.support.v7.widget.AppCompatImageView
              android:id="@+id/fingerprint_animator"
              android:layout_width="@dimen/fingerprint_animation_size"
              android:layout_height="@dimen/fingerprint_animation_size"
-             android:background="@drawable/fp_illustration_enrollment"
-             android:backgroundTint="@color/fingerprint_indicator_background_resting" />
+             app:background="@drawable/fp_illustration_enrollment"
+             app:backgroundTint="@color/fingerprint_indicator_background_resting"
+             />
  ```
+
+ Set up animation:
+
  ```java
  LoopAnimatedVectorDrawableCompat mFingerprintAnimator = new LoopAnimatedVectorDrawableCompat(AnimatedVectorDrawableCompat.create(this,
                                                                        R.drawable.enrollment_fingerprint_isolated_animation));
  fingerprintIsolated.setImageDrawable(mFingerprintAnimator.getDrawable());
  ```
 
+ Set background image:
+
+ ```java
+ fingerprintIsolated.setBackgroundDrawable(AppCompatResources.getDrawable(MainActivity.this
+                 , top.trumeet.snippet.aospanimation.library.R.drawable.fp_illustration_enrollment));
+ fingerprintIsolated.setSupportBackgroundTintList(ColorStateList.valueOf(getResources().getColor(top.trumeet.snippet.aospanimation.library.R.color.fingerprint_indicator_background_resting)));
+ ```
+
  開始動畫: `mFingerprintAnimator.startIconAnimation()`
 
  停止動畫: `mFingerprintAnimator.stopIconAnimation()`
diff --git a/app/src/main/java/top/trumeet/snippet/aospanimation/MainActivity.java b/app/src/main/java/top/trumeet/snippet/aospanimation/MainActivity.java
index eb83625..e1cf783 100644
--- a/app/src/main/java/top/trumeet/snippet/aospanimation/MainActivity.java
+++ b/app/src/main/java/top/trumeet/snippet/aospanimation/MainActivity.java
@@ -1,7 +1,6 @@
 package top.trumeet.snippet.aospanimation;
 
 import android.annotation.SuppressLint;
-import android.app.Activity;
 import android.content.res.ColorStateList;
 import android.os.Bundle;
 import android.support.graphics.drawable.AnimatedVectorDrawableCompat;
@@ -10,7 +9,8 @@ import android.support.v7.content.res.AppCompatResources;
 import android.support.v7.widget.AppCompatImageView;
 import android.view.Menu;
 import android.view.MenuItem;
-import android.widget.ImageView;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
 
 import top.trumeet.snippet.aospanimation.library.drawables.LoopAnimatedVectorDrawableCompat;
 
@@ -26,12 +26,28 @@ public class MainActivity extends AppCompatActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
-        AppCompatImageView fingerprintIsolated = findViewById(R.id.fingerprint_animator);
+        final AppCompatImageView fingerprintIsolated = findViewById(R.id.fingerprint_animator);
         mFingerprintAnimator = new LoopAnimatedVectorDrawableCompat(AnimatedVectorDrawableCompat.create(this,
                 R.drawable.enrollment_fingerprint_isolated_animation));
-        fingerprintIsolated.setBackgroundDrawable(AppCompatResources.getDrawable(this, top.trumeet.snippet.aospanimation.library.R.drawable.fp_illustration_enrollment));
+
+        fingerprintIsolated.setBackgroundDrawable(AppCompatResources.getDrawable(MainActivity.this
+                , top.trumeet.snippet.aospanimation.library.R.drawable.fp_illustration_enrollment));
         fingerprintIsolated.setSupportBackgroundTintList(ColorStateList.valueOf(getResources().getColor(top.trumeet.snippet.aospanimation.library.R.color.fingerprint_indicator_background_resting)));
 
+        CheckBox showBackground = findViewById(R.id.check_show_background);
+        showBackground.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton compoundButton, boolean b) {
+                if (b) {
+                    fingerprintIsolated.setBackgroundDrawable(AppCompatResources.getDrawable(MainActivity.this
+                            , top.trumeet.snippet.aospanimation.library.R.drawable.fp_illustration_enrollment));
+                    fingerprintIsolated.setSupportBackgroundTintList(ColorStateList.valueOf(getResources().getColor(top.trumeet.snippet.aospanimation.library.R.color.fingerprint_indicator_background_resting)));
+                } else {
+                    fingerprintIsolated.setBackgroundDrawable(null);
+                }
+            }
+        });
+
         fingerprintIsolated.setImageDrawable(mFingerprintAnimator.getDrawable());
     }
 
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 8a157d8..1be4af6 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -15,5 +15,11 @@
             app:background="@drawable/fp_illustration_enrollment"
             app:backgroundTint="@color/fingerprint_indicator_background_resting"
             />
+        <CheckBox
+            android:id="@+id/check_show_background"
+            android:checked="true"
+            android:text="Show Background"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content" />
     </LinearLayout>
 </ScrollView>
\ No newline at end of file