slidingMenu 百度地图在Fragment中切换黑边解决方法

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由于android opengl绘制机制的原因，在使用slidingMenu和百度地图在切换的时候会出现黑边的现象，查了百度地图官方也没有找到好的解决办法，于是想到使用截图的方式来解决，大致的步骤如下：

1.slidingMenu打开的时候调用BaiduMap的snapshot方法截图获取Bitmap对象；

2.使用ImageView替换BaiduMap View并显示截取的图片;

3.slidingMenu关闭后再显示BaiduMap VIew。

主要代码：

fragmetn_map.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:orientation="vertical">     <ImageView         android:id="@+id/image_temp"         android:layout_width="match_parent"         android:layout_height="match_parent"         android:visibility="gone"/>    <com.baidu.mapapi.map.MapView        android:id="@+id/bmapView"        android:layout_width="fill_parent"        android:layout_height="fill_parent"        android:clickable="true" /></LinearLayout>

FragmentMap.javapackage com.ranfeng.ygty.slidingmeunmap;import android.graphics.Bitmap;import android.os.Bundle;import android.support.annotation.Nullable;import android.support.v4.app.Fragment;import android.util.Log;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.widget.ImageView;import com.baidu.mapapi.SDKInitializer;import com.baidu.mapapi.map.BaiduMap;import com.baidu.mapapi.map.MapView;import com.baidu.mapapi.map.MyLocationConfiguration;import com.jeremyfeinstein.slidingmenu.lib.SlidingMenu;/** * Created by rf on 2015/9/7. */public class FragmentMap extends Fragment {    private View view;    private MapView mMapView = null;    private BaiduMap mBaiduMap = null;    private SlidingMenu slidingMenu;    private ImageView imageTemp;    private Bitmap tempBitmap;    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {        SDKInitializer.initialize(getActivity().getApplicationContext());        view = inflater.inflate(R.layout.fragmetn_map, container,false);        imageTemp = (ImageView) view.findViewById(R.id.image_temp);        //map相关        mMapView = (MapView) view.findViewById(R.id.bmapView);        mBaiduMap = mMapView.getMap();        // 开启定位图层        mBaiduMap.setMyLocationEnabled(true);        mBaiduMap.setMyLocationConfigeration(new MyLocationConfiguration(MyLocationConfiguration.LocationMode.NORMAL, true, null));        slidingMenu =((MainActivity)getActivity()).getSlidingMenu();        //打开的时候截图并隐藏map        slidingMenu.setOnOpenListener(new SlidingMenu.OnOpenListener() {            @Override            public void onOpen() {                Log.d("map", "slidingMenu is opening");                mBaiduMap.snapshot(new BaiduMap.SnapshotReadyCallback() {                    @Override                    public void onSnapshotReady(Bitmap bitmap) {                        FragmentMap.this.tempBitmap = bitmap;                        imageTemp.setImageBitmap(tempBitmap);                        imageTemp.setVisibility(View.VISIBLE);                        mMapView.setVisibility(View.GONE);                    }                });            }        });        //关闭以后再还原回来        slidingMenu.setOnClosedListener(new SlidingMenu.OnClosedListener() {            @Override            public void onClosed() {                Log.d("map","slidingMenu is closed");                if(tempBitmap!=null&&!tempBitmap.isRecycled()) {                    tempBitmap.recycle();                    tempBitmap = null;                }                imageTemp.setVisibility(View.GONE);                mMapView.setVisibility(View.VISIBLE);            }        });        return view;    }}

MainActivity.java

package com.ranfeng.ygty.slidingmeunmap;import android.support.v4.app.Fragment;import android.support.v4.app.FragmentManager;import android.support.v4.app.FragmentTransaction;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.Menu;import android.view.MenuItem;import android.view.View;import com.jeremyfeinstein.slidingmenu.lib.SlidingMenu;public class MainActivity extends AppCompatActivity {    private FragmentManager fManager;    private Fragment fragmentMap;    private SlidingMenu slidingMenu;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        fManager = getSupportFragmentManager();        FragmentTransaction transaction = fManager.beginTransaction();        fragmentMap = new FragmentMap();        transaction.add(R.id.content,fragmentMap);        transaction.show(fragmentMap);        transaction.commit();        initSlidingMenu();    }    public void initSlidingMenu(){        // configure the SlidingMenu        slidingMenu = new SlidingMenu(this);        slidingMenu.setMode(SlidingMenu.LEFT);        // 设置触摸屏幕的模式        slidingMenu.setTouchModeAbove(SlidingMenu.TOUCHMODE_MARGIN );        slidingMenu.setShadowWidthRes(R.dimen.shadow_width);        //menu.setShadowDrawable(R.drawable.shadow);        // 设置滑动菜单视图的宽度        slidingMenu.setBehindOffsetRes(R.dimen.slidingmenu_offset);        // 设置渐入渐出效果的值        slidingMenu.setFadeDegree(0.35f);        /**         * SLIDING_WINDOW will include the Title/ActionBar in the content         * section of the SlidingMenu, while SLIDING_CONTENT does not.         */        slidingMenu.attachToActivity(this, SlidingMenu.SLIDING_CONTENT);        //为侧滑菜单设置布局        slidingMenu.setMenu(R.layout.layout_menu);    }    public void menuToggle(View v){        slidingMenu.toggle();    }    public SlidingMenu getSlidingMenu(){        return  slidingMenu;    }    @Override    public boolean onCreateOptionsMenu(Menu menu) {        // Inflate the menu; this adds items to the action bar if it is present.        getMenuInflater().inflate(R.menu.menu_main, menu);        return true;    }    @Override    public boolean onOptionsItemSelected(MenuItem item) {        // Handle action bar item clicks here. The action bar will        // automatically handle clicks on the Home/Up button, so long        // as you specify a parent activity in AndroidManifest.xml.        int id = item.getItemId();        //noinspection SimplifiableIfStatement        if (id == R.id.action_settings) {            return true;        }        return super.onOptionsItemSelected(item);    }}

源码下载地址：

http://download.csdn.net/detail/cqrf2006/9086021

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