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Fix root background not apply #129

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Fix root background not apply #129

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aa3a468
Fix root background not apply
Mar 28, 2017
282bded
Fix attachToActivity bug
Apr 7, 2017
d4a7c5b
Fix attachToActivity bug
Apr 7, 2017
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45 changes: 42 additions & 3 deletions library/src/main/java/me/imid/swipebacklayout/lib/SwipeBackLayout.java
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Original file line number Diff line number Diff line change
Expand Up @@ -4,15 +4,20 @@
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Rect;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.support.v4.view.ViewCompat;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.widget.FrameLayout;

import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;

Expand Down Expand Up @@ -460,11 +465,45 @@ public void attachToActivity(Activity activity) {

ViewGroup decor = (ViewGroup) activity.getWindow().getDecorView();
ViewGroup decorChild = (ViewGroup) decor.getChildAt(0);
decorChild.setBackgroundResource(background);
Drawable d = decorChild.getBackground();
// no background or background is TRANSPARENT,use 'windowBackground' to background
if (d == null || (d instanceof ColorDrawable && isTransparent((ColorDrawable) d))) {
decorChild.setBackgroundResource(background);
}
decor.removeView(decorChild);
addView(decorChild);
setContentView(decorChild);
decor.addView(this);

FrameLayout.LayoutParams lp = (FrameLayout.LayoutParams) decorChild.getLayoutParams();
decorChild.setLayoutParams(new FrameLayout.LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
setLayoutParams(lp);

decor.addView(this,0);
}

private boolean isTransparent(ColorDrawable drawable) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
return drawable.getColor() == Color.TRANSPARENT;
} else {
try {
int color = 0;
final Field stateField = drawable.getClass().getDeclaredField("mState");
stateField.setAccessible(true);
final Object state = stateField.get(drawable);

final Field useColorField = state.getClass().getDeclaredField("mUseColor");
useColorField.setAccessible(true);
useColorField.setInt(state, color);

final Field baseColorField = state.getClass().getDeclaredField(
"mBaseColor");
baseColorField.setAccessible(true);
baseColorField.setInt(state, color);
return color == Color.TRANSPARENT;
} catch (Exception e) {
return false;
}
}
}

@Override
Expand Down Expand Up @@ -549,7 +588,7 @@ public void onViewPositionChanged(View changedView, int left, int top, int dx, i
if (mScrollPercent >= 1) {
if (!mActivity.isFinishing()) {
mActivity.finish();
mActivity.overridePendingTransition(0, 0);
mActivity.overridePendingTransition(0, 0);
}
}
}
Expand Down