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fix keyboard-height-aware layout in lollipop

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fixes #3303
// FREEBIE
This commit is contained in:
Jake McGinty 2015-06-08 15:11:05 -07:00
parent 26bcb590a7
commit 0f7f458ce0
1 changed files with 28 additions and 1 deletions
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29
src/org/thoughtcrime/securesms/components/KeyboardAwareLinearLayout.java
View File

@ -21,15 +21,19 @@ import android.app.Activity;
import android.content.Context;
import android.graphics.Rect;
import android.os.Build;
import android.os.Build.VERSION_CODES;
import android.preference.PreferenceManager;
import android.util.AttributeSet;
import android.util.Log;
import android.view.Surface;
import android.view.View;
import android.view.WindowManager;
import android.widget.LinearLayout;
import org.thoughtcrime.securesms.R;
import java.lang.reflect.Field;
/**
* LinearLayout that, when a view container, will report back when it thinks a soft keyboard
* has been opened and what its height would be.
@ -61,7 +65,7 @@ public class KeyboardAwareLinearLayout extends LinearLayout {
int res = getResources().getIdentifier("status_bar_height", "dimen", "android");
int statusBarHeight = res > 0 ? getResources().getDimensionPixelSize(res) : 0;
final int availableHeight = this.getRootView().getHeight() - statusBarHeight;
final int availableHeight = this.getRootView().getHeight() - statusBarHeight - getViewInset();
getWindowVisibleDisplayFrame(rect);
final int keyboardHeight = availableHeight - (rect.bottom - rect.top);
@ -73,6 +77,29 @@ public class KeyboardAwareLinearLayout extends LinearLayout {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
public int getViewInset() {
if (Build.VERSION.SDK_INT < VERSION_CODES.LOLLIPOP) {
return 0;
}
try {
Field attachInfoField = View.class.getDeclaredField("mAttachInfo");
attachInfoField.setAccessible(true);
Object attachInfo = attachInfoField.get(this);
if (attachInfo != null) {
Field stableInsetsField = attachInfo.getClass().getDeclaredField("mStableInsets");
stableInsetsField.setAccessible(true);
Rect insets = (Rect)stableInsetsField.get(attachInfo);
return insets.bottom;
}
} catch (NoSuchFieldException nsfe) {
Log.w(TAG, "field reflection error when measuring view inset", nsfe);
} catch (IllegalAccessException iae) {
Log.w(TAG, "access reflection error when measuring view inset", iae);
}
return 0;
}
protected void onKeyboardShown(int keyboardHeight) {
Log.w(TAG, "keyboard shown, height " + keyboardHeight);