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fix: android keyboard size and square viewport #178

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fix: android keyboard size and square viewport #178

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29 changes: 25 additions & 4 deletions src/android/CDVIonicKeyboard.java
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ public class CDVIonicKeyboard extends CordovaPlugin {
private View rootView;
private View mChildOfContent;
private int usableHeightPrevious;
private int previosOrientation;
private FrameLayout.LayoutParams frameLayoutParams;

public void initialize(CordovaInterface cordova, CordovaWebView webView) {
Expand All @@ -38,7 +39,6 @@ public boolean execute(String action, JSONArray args, final CallbackContext call
if ("hide".equals(action)) {
cordova.getThreadPool().execute(new Runnable() {
public void run() {
//http://stackoverflow.com/a/7696791/1091751
InputMethodManager inputManager = (InputMethodManager) cordova.getActivity().getSystemService(Context.INPUT_METHOD_SERVICE);
View v = cordova.getActivity().getCurrentFocus();

Expand Down Expand Up @@ -124,16 +124,26 @@ else if ( pixelHeightDiff != previousHeightDiff && ( previousHeightDiff - pixelH

private void possiblyResizeChildOfContent() {
int usableHeightNow = computeUsableHeight();
int orientationNow = computeOrientation();
if (usableHeightNow != usableHeightPrevious) {
int usableHeightSansKeyboard = mChildOfContent.getRootView().getHeight();
int heightDifference = usableHeightSansKeyboard - usableHeightNow;
if (heightDifference > (usableHeightSansKeyboard/4)) {
frameLayoutParams.height = usableHeightSansKeyboard - heightDifference;
int height = usableHeightNow;

if (heightDifference < 0) {
height = usableHeightNow;
}
else if (heightDifference > (usableHeightSansKeyboard/4)) {
height = usableHeightSansKeyboard - heightDifference;
} else {
frameLayoutParams.height = usableHeightSansKeyboard;
height = usableHeightSansKeyboard;
}

frameLayoutParams.height = height;

mChildOfContent.requestLayout();
usableHeightPrevious = usableHeightNow;
previosOrientation = orientationNow;
}
}

Expand All @@ -142,6 +152,17 @@ private int computeUsableHeight() {
mChildOfContent.getWindowVisibleDisplayFrame(r);
return (r.bottom - r.top);
}

private int computeOrientation() {
int h = mChildOfContent.getRootView().getHeight();
int w = mChildOfContent.getRootView().getWidth();

if(w < h){
return 0;
}else {
return 1;
}
}
};

mChildOfContent = content.getChildAt(0);
Expand Down