方法1
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Context;
import android.graphics.Rect;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.ScrollView;
public class KeyWordUtils {
/**
* 弹出键盘时滚动到界面指定位置
* Created 2015-1-30 上午11:19:23
* @param activity
* 当前Activity
* @param lyRootID
* 所在根布局ID
* @param vID
* 要滚动到的控件ID
* @param svID
* 控件所在ScrollView ID
* @author gpy
*/
@SuppressLint("NewApi")
public static void pullKeywordTop(final Activity activity,final int lyRootID,final int vID,final int svID,final int needHideId){
ViewGroup ly = (ViewGroup) activity.findViewById(lyRootID);
final int defaultHeight = ((WindowManager)activity.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay().getHeight();
final int mKeyHeight = defaultHeight/4;
ly.addOnLayoutChangeListener(new View.OnLayoutChangeListener() {
@Override
public void onLayoutChange(View v, int left, int top, int right,
int bottom, int oldLeft, int oldTop, int oldRight, int oldBottom) {
int height = oldBottom-bottom;
ScrollView sv = (ScrollView)activity.findViewById(svID);
if(height>mKeyHeight) {
activity.findViewById(needHideId).setVisibility(View.GONE);
final int lybottom = bottom;
sv.post(new Runnable() {
@Override
public void run() {
ScrollView runSv = (ScrollView)activity.findViewById(svID);
View v = (View)activity.findViewById(vID);
int[] loca = new int[2];
v.getLocationOnScreen(loca);
Rect frame = new Rect();
activity.getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);
int statusBarHeight = frame.top;
int scrollHeight = loca[1] + v.getHeight() - lybottom - statusBarHeight;
if(scrollHeight>0){
runSv.scrollBy(0, scrollHeight);
}
}
});
}else if(-height>mKeyHeight){
sv.scrollTo(0,0);
activity.findViewById(needHideId).setVisibility(View.VISIBLE);
}
}
});
}
}
使用 ScrollView中包含LinearLayout,改LinearLayout中可放置多个edittext activity在配置文件中记得添加 android:windowSoftInputMode=”adjustResize|stateHidden”
方法2
在activity的底部加一个占位的View,当页面能测量控件高度时,每次键盘弹出后,增加占位View的高度。
findViewById(R
.id.ly_login)
.getViewTreeObserver()
.addOnGlobalLayoutListener(new ViewTreeObserver
.OnGlobalLayoutListener()
{
@Override
public void onGlobalLayout()
{
Rect r = new Rect()
//获取当前界面可视部分
OpenCunGuanActivity
.this.getWindow()
.getDecorView()
.getWindowVisibleDisplayFrame(r)
//获取屏幕的高度
int screenHeight = OpenCunGuanActivity
.this.getWindow()
.getDecorView()
.getRootView()
.getHeight()
//此处就是用来获取键盘的高度的, 在键盘没有弹出的时候 此高度为
0 键盘弹出的时候为一个正数
int heightDifference = screenHeight - r
.bottom
CMLog
.i(
"info",
"软键盘高度:" + heightDifference +
" 屏幕高度" + screenHeight +
" 可视区域高度:" + r
.bottom +
" marginTop" + marginTop)
// 在xml中设置hiddenView的高度,会导致部分界面超过一些低像素高度小的手机,已进入界面就可以滑动
if (r
.bottom < screenHeight)
{
originalParams
.height = heightDifference + marginTop *
3 /
5
hiddenView
.setLayoutParams(originalParams)
}
else
{
originalParams
.height =
0
hiddenView
.setLayoutParams(originalParams)
mSvContent
.scrollTo(
0, marginTop)
}
}
})
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