Android 弹出软键盘所遇到的坑及解决方法弹出软键盘所遇到的坑及解决方法
主要介绍了Android 弹出软键盘所遇到的坑及解决方法,非常不错,具有参考借鉴价值,需要的朋友参考下
demo下载
重要代码:
//1、此layout作为最外层的layout;
//2、设置需要调整的view: setAdjustView(View view);
//3、如果需要控制输入框的显示与隐藏,可以实现OnInputViewVisibleListener接口;
public class SoftInputAdjustLayout extends RelativeLayout {
private static final String TAG = SoftInputAdjustLayout.class.getSimpleName();
private View adjustView;
public SoftInputAdjustLayout(Context context) {
this(context, null);
}
public SoftInputAdjustLayout(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public SoftInputAdjustLayout(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
this.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
try {
Rect r = new Rect();
getWindowVisibleDisplayFrame(r);
int heightDiff = getRootView().getHeight() - (r.bottom - r.top);
if (heightDiff > 100) {
if (onInputViewVisibleListener != null) {
onInputViewVisibleListener.onShowInputView();
}
} else {
if (onInputViewVisibleListener != null) {
onInputViewVisibleListener.onHideInputView();
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* 需要调整的view
*
* @param adjustView
*/
public void setAdjustView(View adjustView) {
this.adjustView = adjustView;
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
if (adjustView != null) {
Rect rect = new Rect();
getWindowVisibleDisplayFrame(rect);
int totalHeight = getHeight();
int nowHeight = rect.bottom - rect.top;
int keyBoardHeight = totalHeight - nowHeight;
if (keyBoardHeight > totalHeight / 4) {
super.onMeasure(widthMeasureSpec, MeasureSpec.makeMeasureSpec(totalHeight, MeasureSpec.EXACTLY));
LayoutParams params = (LayoutParams) adjustView.getLayoutParams();
params.bottomMargin = keyBoardHeight;
} else {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
LayoutParams params = (LayoutParams) adjustView.getLayoutParams();
params.bottomMargin = 0;
}
} else {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
}
private OnInputViewVisibleListener onInputViewVisibleListener;
public void setOnInputViewVisibleListener(OnInputViewVisibleListener listener) {
onInputViewVisibleListener = listener;
}
public interface OnInputViewVisibleListener {
void onShowInputView();
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