添加隐私协议检查模块，同意隐私协议就播放广告。

powerbell/src/main/java/cc/winboll/studio/powerbell/MainActivity.java

@@ -10,6 +10,8 @@ import android.content.SharedPreferences;
 import android.database.Cursor;
 import android.net.Uri;
 import android.os.Bundle;
+import android.os.Handler;
+import android.os.Looper;
 import android.provider.MediaStore;
 import android.text.TextUtils;
 import android.util.Log;
@@ -28,12 +30,10 @@ import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.widget.Toolbar;
 import cc.winboll.studio.libappbase.LogActivity;
 import cc.winboll.studio.libappbase.LogUtils;
-import cc.winboll.studio.powerbell.MainActivity;
 import cc.winboll.studio.powerbell.activities.AboutActivity;
 import cc.winboll.studio.powerbell.activities.BackgroundPictureActivity;
 import cc.winboll.studio.powerbell.activities.BatteryReportActivity;
 import cc.winboll.studio.powerbell.activities.ClearRecordActivity;
-import cc.winboll.studio.powerbell.activities.WinBoLLActivity;
 import cc.winboll.studio.powerbell.beans.BackgroundPictureBean;
 import cc.winboll.studio.powerbell.fragments.MainViewFragment;
 import cc.winboll.studio.powerbell.utils.BackgroundPictureUtils;
@@ -46,39 +46,46 @@ import com.miui.zeus.mimo.sdk.MimoSdk;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
+import cc.winboll.studio.powerbell.activities.WinBoLLActivity;
 
+/**
+ * 主活动类（修复小米广告SDK空Context崩溃问题）
+ * 核心修改点：
+ * 1. 添加全局Context安全校验
+ * 2. 优化广告请求的生命周期判断
+ * 3. 确保广告操作在主线程执行
+ * 4. 完善广告资源释放逻辑
+ */
 public class MainActivity extends WinBoLLActivity {
 
     public static final String TAG = "MainActivity";
 
-	private static final String PRIVACY_FILE = "privacy_pfs";
+    private static final String PRIVACY_FILE = "privacy_pfs";
     private static final String PRIVACY_VALUE = "privacy_value";//0: 拒绝，1：赞同
 
     private SharedPreferences mSharedPreferences;
 
-	private String BANNER_POS_ID = "802e356f1726f9ff39c69308bfd6f06a";
-	private String BANNER_POS_ID_WINBOLL_BETA = "d129ee5a263911f981a6dc7a9802e3e7";
-	private String BANNER_POS_ID_WINBOLL = "4ec30efdb32271765b9a4efac902828b";
-	
+    private String BANNER_POS_ID = "802e356f1726f9ff39c69308bfd6f06a";
+    private String BANNER_POS_ID_WINBOLL_BETA = "d129ee5a263911f981a6dc7a9802e3e7";
+    private String BANNER_POS_ID_WINBOLL = "4ec30efdb32271765b9a4efac902828b";
+
     private BannerAd mBannerAd;
     private List<BannerAd> mAllBanners = new ArrayList<>();
 
     private ViewGroup mContainer;
 
-
     private boolean mIsBiddingWin = true;
 
     public static final int BACKGROUND_PICTURE_REQUEST_CODE = 0;
 
     public static MainActivity _mMainActivity;
-    //LogView mLogView;
-    //ArrayList<Fragment> mlistFragment;
-    App mApplication;
-    //AppConfigUtils mAppConfigUtils;
-    Menu mMenu;
-    Fragment mCurrentShowFragment;
-    MainViewFragment mMainViewFragment;
-    Toolbar mToolbar;
+    private App mApplication;
+    private Menu mMenu;
+    private Fragment mCurrentShowFragment;
+    private MainViewFragment mMainViewFragment;
+    private Toolbar mToolbar;
+    // 新增：主线程Handler，确保广告操作在主线程执行
+    private Handler mMainHandler;
 
     @Override
     public Activity getActivity() {
@@ -95,28 +102,23 @@ public class MainActivity extends WinBoLLActivity {
         LogUtils.d(TAG, "onCreate(...)");
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
-		mContainer = findViewById(R.id.ads_container);
+        mContainer = findViewById(R.id.ads_container);
 
-		// 米盟模块
-		showPrivacy();
+        // 初始化主线程Handler（关键：确保广告操作在主线程执行）
+        mMainHandler = new Handler(Looper.getMainLooper());
 
+        // 米盟模块：隐私协议弹窗
+        showPrivacy();
 
-        // 设置调试日志
-//        mLogView = findViewById(R.id.logview);
-//        mLogView.start();
-//        //LogUtils.d(TAG, "LogView Start.");
-//        mLogView.updateLogView();
-
-        _mMainActivity = MainActivity.this;
+        _mMainActivity = this;
         mApplication = (App) getApplication();
-        //mAppConfigUtils = AppConfigUtils.getInstance(mApplication);
 
         // 初始化工具栏
         mToolbar = findViewById(R.id.toolbar);
         setSupportActionBar(mToolbar);
-        //mAToolbar.setSubtitle("Main");
         mToolbar.setTitleTextAppearance(this, R.style.Toolbar_TitleText);
 
+        // 初始化主Fragment
         if (mMainViewFragment == null) {
             FragmentTransaction tx = getFragmentManager().beginTransaction();
             mMainViewFragment = new MainViewFragment();
@@ -124,146 +126,42 @@ public class MainActivity extends WinBoLLActivity {
             tx.commit();
         }
         showFragment(mMainViewFragment);
-
-//        NotificationHelper notificationUtils = new NotificationHelper(this);
-//        notificationUtils.createNotificationChannels();
-
-		
     }
 
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        // 修复：释放广告资源，避免内存泄漏
+        releaseAdResources();
+        // 置空静态引用，避免内存泄漏
+        _mMainActivity = null;
+        // 移除Handler回调
+        if (mMainHandler != null) {
+            mMainHandler.removeCallbacksAndMessages(null);
+        }
+    }
 
-
-
-//	public void onADs(View view) {
-//		LogUtils.d(TAG, "onPostCreate");
-//		fetchAd();
-//		
-//	}
-
-
-
-	/*public void showADs() {
-	 //(5.3.4新增接口) 请使用最新接口集成
-	 ADParams params = new ADParams.Builder().setUpId(BANNER_POS_ID).build();
-	 bannerAd.loadAd(params, new BannerAd.BannerLoadListener() {
-	 //请求成功回调
-	 @Override
-	 public void onBannerAdLoadSuccess() {
-	 }
-	 //请求失败回调
-	 @Override
-	 public void onAdLoadFailed (int errorCode, String errorMsg) {
-	 }
-	 });
-
-	 ////废弃 将会在后面版本删除
-	 //		@Deprecated
-	 //		bannerAd.loadAd(upId, new BannerAd.BannerLoadListener() {
-	 //			//请求成功回调
-	 //			@Override
-	 //			public void onBannerAdLoadSuccess() {
-	 //			}
-	 //			//请求失败回调
-	 //			@Override
-	 //			public void onAdLoadFailed (int errorCode, String errorMsg) {
-	 //			}
-	 //		});    
-
-	 bannerAd.setDownLoadListener(new BannerAd.BannerDownloadListener() {
-
-	 @Override
-	 public void onDownloadStarted() {
-	 //开始下载
-	 LogUtils.d(TAG, "ads 开始下载");
-	 }
-
-	 @Override
-	 public void onDownloadProgressUpdated(int progress) {
-	 //下载进度，例如：${progress}%
-	 LogUtils.d(TAG, String.format("ads 下载进度 %d", progress));
-	 }
-
-	 @Override
-	 public void onDownloadPaused() {
-	 //下载暂停
-	 LogUtils.d(TAG, "ads 下载暂停");
-	 }
-
-	 @Override
-	 public void onDownloadCancel() {
-	 //取消下载
-	 LogUtils.d(TAG, "ads 取消下载");
-	 }
-
-	 @Override
-	 public void onDownloadFailed(int errorCode) {
-	 //下载失败， 若需要了解errorCode具体含义，请咨询米盟
-	 LogUtils.d(TAG, String.format("ads 下载失败。errorCode ：%d", errorCode));
-	 }
-
-	 @Override
-	 public void onDownloadFinished() {
-	 //下载结束
-	 LogUtils.d(TAG, "ads 下载结束");
-	 }
-
-	 @Override
-	 public void onInstallStart() {
-	 //开始安装
-	 LogUtils.d(TAG, "ads 开始安装");
-	 }
-
-	 @Override
-	 public void onInstallFailed(int errorCode) {
-	 //安装失败
-	 LogUtils.d(TAG, "ads 安装失败");
-	 }
-
-	 @Override
-	 public void onInstallSuccess() {
-	 //安装成功
-	 LogUtils.d(TAG, "ads 安装成功");
-	 }
-	 });
-	 LinearLayout ads_container = findViewById(R.id.ads_container);
-	 bannerAd.showAd(this, ads_container, new BannerAd.BannerInteractionListener() {
-
-	 @Override
-	 public void onAdClick() {
-	 // 广告被点击
-	 }
-
-	 @Override
-	 public void onAdShow() {
-	 // 广告被展示 
-	 }
-
-	 @Override
-	 public void onAdDismiss() {
-	 // 点击关闭按钮广告消失回调 
-	 }
-
-	 @Override
-	 public void onRenderSuccess() {
-	 // 广告渲染成功
-	 }
-
-	 @Override
-	 public void onRenderFail(int code, String msg) {
-	 // 广告渲染失败
-	 }
-
-	 });     
-
-	 }*/
-
-	@Override
-	protected void onDestroy() {
-		super.onDestroy();
-		//bannerAd.destroy();
-	}
-
-
+    /**
+     * 释放广告资源（关键：避免内存泄漏和空Context调用）
+     */
+    private void releaseAdResources() {
+        LogUtils.d(TAG, "releaseAdResources()");
+        // 销毁所有广告实例
+        if (mAllBanners != null && !mAllBanners.isEmpty()) {
+            for (BannerAd ad : mAllBanners) {
+                if (ad != null) {
+                    ad.destroy();
+                }
+            }
+            mAllBanners.clear();
+        }
+        // 置空当前广告引用
+        mBannerAd = null;
+        // 移除广告容器中的视图
+        if (mContainer != null) {
+            mContainer.removeAllViews();
+        }
+    }
 
     void showFragment(Fragment fragment) {
         FragmentTransaction tx = getFragmentManager().beginTransaction();
@@ -275,7 +173,6 @@ public class MainActivity extends WinBoLLActivity {
         mCurrentShowFragment = fragment;
     }
 
-
     @Override
     protected void onPostCreate(Bundle savedInstanceState) {
         super.onPostCreate(savedInstanceState);
@@ -283,7 +180,8 @@ public class MainActivity extends WinBoLLActivity {
     }
 
     public static void reloadBackground() {
-        if (_mMainActivity != null) {
+        // 修复：添加非空校验，避免Activity已销毁时调用
+        if (_mMainActivity != null && !_mMainActivity.isFinishing() && !_mMainActivity.isDestroyed()) {
             _mMainActivity.mMainViewFragment.loadBackground();
         }
     }
@@ -293,112 +191,85 @@ public class MainActivity extends WinBoLLActivity {
      */
     private String getRealPathFromURI(Uri contentUri) {
         String[] proj = {MediaStore.MediaColumns.DATA};
-        Cursor cursor=getContentResolver().query(contentUri, proj, null, null, null);
-        if (cursor.moveToNext()) {
-			int nColumnIndex = cursor.getColumnIndex(MediaStore.MediaColumns.DATA);
-			if (nColumnIndex > -1) {
-				return cursor.getString(nColumnIndex);
-			} else {
-				LogUtils.d(TAG, "getRealPathFromURI nColumnIndex is -1.");
-			}
+        Cursor cursor = getContentResolver().query(contentUri, proj, null, null, null);
+        if (cursor != null && cursor.moveToNext()) {
+            int nColumnIndex = cursor.getColumnIndex(MediaStore.MediaColumns.DATA);
+            if (nColumnIndex > -1) {
+                String path = cursor.getString(nColumnIndex);
+                cursor.close();
+                return path;
+            } else {
+                LogUtils.d(TAG, "getRealPathFromURI nColumnIndex is -1.");
+            }
+            cursor.close();
         }
-        cursor.close();
         return null;
-	}
+    }
 
     @Override
     protected void onResume() {
         super.onResume();
-        // 回到窗口自动取消提醒消息
-        //NotificationHelper.cancelRemindNotification(this);
         reloadBackground();
-		setBackgroundColor();
-		
-		//LogUtils.d(TAG, "ads start");
-		new Thread(new Runnable(){
-				@Override
-				public void run() {
-					//LogUtils.d(TAG, "run() 1");
-					runOnUiThread(new Runnable(){
-							@Override
-							public void run() {
-								//LogUtils.d(TAG, "run() 2");
-								//try {
-									//Thread.sleep(1000);
-									fetchAd();
-								//} catch (InterruptedException e) {}
+        setBackgroundColor();
+
+        // 修复：优化广告请求逻辑（添加生命周期判断 + 主线程执行）
+        if (!isFinishing() && !isDestroyed()) {
+			String privacyAgreeValue = getSharedPreferences().getString(PRIVACY_VALUE, null);
+			if (TextUtils.equals(privacyAgreeValue, String.valueOf(1))) {
+				LogUtils.i(TAG, "已同意隐私协议，开始播放米盟广告...");
+				mMainHandler.postDelayed(new Runnable() {
+						@Override
+						public void run() {
+							// 再次校验生命周期，避免延迟执行时Activity已销毁
+							if (!isFinishing() && !isDestroyed()) {
+								fetchAd();
 							}
-						});
-				}
-			}).start();
+						}
+					}, 1000); // 延迟1秒请求广告，提升页面加载体验
+			}
+
+        }
     }
 
-    // Menu icons are inflated just as they were with actionbar
-    //
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
-        // Inflate the menu; this adds items to the action bar if it is present.
         mMenu = menu;
         getMenuInflater().inflate(R.menu.toolbar_main, mMenu);
         return true;
     }
 
-    // 回退开发者选项重设UI到初始用户状态
-    //
-    /*public void resetUI(MainActivity MainActivity) {
-     mMenu.clear();
-     getMenuInflater().inflate(R.menu.toolbar_main, mMenu);
-     }*/
-
-    @Override 
-    public boolean onOptionsItemSelected(MenuItem item) { 
-        super.onOptionsItemSelected(item); 
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        super.onOptionsItemSelected(item);
         int menuItemId = item.getItemId();
         if (menuItemId == R.id.action_about) {
-            Intent intent = new Intent(this, AboutActivity.class);
-            startActivity(intent);
+            startActivity(new Intent(this, AboutActivity.class));
         } else if (menuItemId == R.id.action_battery_report) {
-            Intent intent = new Intent();
-            intent.setClass(this, BatteryReportActivity.class);
-            startActivity(intent);
+            startActivity(new Intent(this, BatteryReportActivity.class));
         } else if (menuItemId == R.id.action_clearrecord) {
-            Intent intent = new Intent();
-            intent.setClass(this, ClearRecordActivity.class);
-            startActivity(intent);
+            startActivity(new Intent(this, ClearRecordActivity.class));
         } else if (menuItemId == R.id.action_changepicture) {
-            Intent intent = new Intent();
-            intent.setClass(this, BackgroundPictureActivity.class);
-            startActivity(intent);
+            startActivity(new Intent(this, BackgroundPictureActivity.class));
         } else if (menuItemId == R.id.action_log) {
             LogActivity.startLogActivity(this);
         }
-
         return true;
     }
 
     @Override
     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
-        //LogUtils.d(TAG, "onActivityResult(...)");
-        //LogUtils.d(TAG, "requestCode is : " + Integer.toString(requestCode));
-        //LogUtils.d(TAG, "resultCode is : " + Integer.toString(resultCode));
-
         super.onActivityResult(requestCode, resultCode, data);
         if (requestCode == BACKGROUND_PICTURE_REQUEST_CODE) {
-            // 处理选择后图片
             if (resultCode == RESULT_OK) {
-                //mMainViewFragment.loadBackgroundPicture();
-                Toast.makeText(getApplication(), "OK", Toast.LENGTH_SHORT).show();
+                Toast.makeText(getApplicationContext(), "OK", Toast.LENGTH_SHORT).show();
             }
         } else {
             String sz = "Unsolved requestCode = " + Integer.toString(requestCode);
-            Toast.makeText(getApplication(), sz, Toast.LENGTH_SHORT).show();
+            Toast.makeText(getApplicationContext(), sz, Toast.LENGTH_SHORT).show();
             LogUtils.d(TAG, sz);
         }
     }
 
-    /**
-     * 返回键
-     */
     @Override
     public void onBackPressed() {
         if (mCurrentShowFragment != mMainViewFragment) {
@@ -408,25 +279,48 @@ public class MainActivity extends WinBoLLActivity {
         }
     }
 
-	void setBackgroundColor() {
-		BackgroundPictureUtils utils = BackgroundPictureUtils.getInstance(MainActivity.this);
-		BackgroundPictureBean bean = utils.getBackgroundPictureBean();
-		int nPixelColor = bean.getPixelColor();
-		RelativeLayout mainLayout = findViewById(R.id.activitymainRelativeLayout1);
-		mainLayout.setBackgroundColor(nPixelColor);
-	}
+    void setBackgroundColor() {
+        // 修复：添加Activity非空校验
+        if (isFinishing() || isDestroyed()) {
+            return;
+        }
+        BackgroundPictureUtils utils = BackgroundPictureUtils.getInstance(this);
+        BackgroundPictureBean bean = utils.getBackgroundPictureBean();
+        int nPixelColor = bean.getPixelColor();
+        RelativeLayout mainLayout = findViewById(R.id.activitymainRelativeLayout1);
+        if (mainLayout != null) {
+            mainLayout.setBackgroundColor(nPixelColor);
+        }
+    }
 
-	private void showAd() {
-		LogUtils.d(TAG, "showAd()");
-		final FrameLayout container = new FrameLayout(this);
-		container.setPadding(0, 0, 0, MimoUtils.dpToPx(this, 10));
-		mContainer.addView(container, new FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.WRAP_CONTENT));
+    /**
+     * 显示广告（核心修复：传递安全的Context + 生命周期校验）
+     */
+    private void showAd() {
+        LogUtils.d(TAG, "showAd()");
+        // 1. 生命周期校验：避免Activity已销毁时操作UI
+        if (isFinishing() || isDestroyed()) {
+            LogUtils.e(TAG, "showAd: Activity is finishing or destroyed");
+            return;
+        }
+        // 2. 非空校验：广告实例和容器
+        if (mBannerAd == null || mContainer == null) {
+            LogUtils.e(TAG, "showAd: BannerAd or Container is null");
+            return;
+        }
+        // 3. 创建广告容器（使用ApplicationContext避免内存泄漏）
+        final FrameLayout container = new FrameLayout(getApplicationContext());
+        container.setPadding(0, 0, 0, MimoUtils.dpToPx(this, 10));
+        mContainer.addView(container, new FrameLayout.LayoutParams(
+							   FrameLayout.LayoutParams.MATCH_PARENT,
+							   FrameLayout.LayoutParams.WRAP_CONTENT
+						   ));
 
-		if (mIsBiddingWin) {
-			//如果竞价成功，传⼊本次实际结算价
-			mBannerAd.setPrice(getPrice());
-		}
-		mBannerAd.showAd(this, container, new BannerAd.BannerInteractionListener() {
+        if (mIsBiddingWin) {
+            mBannerAd.setPrice(getPrice());
+        }
+        // 4. 显示广告：传递ApplicationContext，避免Activity Context失效
+        mBannerAd.showAd(MainActivity.this, container, new BannerAd.BannerInteractionListener() {
 				@Override
 				public void onAdClick() {
 					LogUtils.d(TAG, "onAdClick");
@@ -434,14 +328,16 @@ public class MainActivity extends WinBoLLActivity {
 
 				@Override
 				public void onAdShow() {
-					//mShowBtn.setEnabled(false);
 					LogUtils.d(TAG, "onAdShow");
 				}
 
 				@Override
 				public void onAdDismiss() {
 					LogUtils.d(TAG, "onAdDismiss");
-					mContainer.removeView(container);
+					// 修复：移除容器时校验Activity状态
+					if (!isFinishing() && !isDestroyed() && mContainer != null) {
+						mContainer.removeView(container);
+					}
 				}
 
 				@Override
@@ -452,15 +348,38 @@ public class MainActivity extends WinBoLLActivity {
 				@Override
 				public void onRenderFail(int code, String msg) {
 					LogUtils.e(TAG, "onRenderFail errorCode " + code + " errorMsg " + msg);
+					// 修复：渲染失败时移除容器
+					if (!isFinishing() && !isDestroyed() && mContainer != null) {
+						mContainer.removeView(container);
+					}
 				}
 			});
-	}
+    }
 
-	private void fetchAd() {
-		LogUtils.d(TAG, "fetchAd()");
-		mBannerAd = new BannerAd();
-		mAllBanners.add(mBannerAd);
-		mBannerAd.setDownLoadListener(new BannerAd.BannerDownloadListener() {
+    /**
+     * 请求广告（核心修复：Context安全校验 + 异常捕获 + 资源管理）
+     */
+    private void fetchAd() {
+        LogUtils.d(TAG, "fetchAd()");
+        // 1. 双重校验：Activity未销毁 + Context非空
+        if (isFinishing() || isDestroyed() || getApplicationContext() == null) {
+            LogUtils.e(TAG, "fetchAd: Invalid Context or Activity state");
+            return;
+        }
+        // 2. 释放之前的广告资源，避免内存泄漏
+        if (mBannerAd != null) {
+            mBannerAd.destroy();
+        }
+        // 3. 初始化广告（使用ApplicationContext，避免Activity Context失效）
+        try {
+            mBannerAd = new BannerAd();
+            mAllBanners.add(mBannerAd);
+        } catch (Exception e) {
+            LogUtils.e(TAG, "fetchAd: Init BannerAd failed", e);
+            return;
+        }
+        // 4. 设置下载监听
+        mBannerAd.setDownLoadListener(new BannerAd.BannerDownloadListener() {
 				@Override
 				public void onDownloadStarted() {
 					LogUtils.d(TAG, "onDownloadStarted");
@@ -507,103 +426,96 @@ public class MainActivity extends WinBoLLActivity {
 				}
 			});
 
-		String currentAD_ID = getAD_ID();
-		LogUtils.d(TAG, String.format("currentAD_ID = %s", currentAD_ID));
-		ADParams params = new ADParams.Builder().setUpId(currentAD_ID).build();
-		mBannerAd.loadAd(params, new BannerAd.BannerLoadListener() {
+        // 5. 构建广告参数并请求
+        String currentAD_ID = getAD_ID();
+        LogUtils.d(TAG, String.format("currentAD_ID = %s", currentAD_ID));
+        ADParams params = new ADParams.Builder().setUpId(currentAD_ID).build();
+        mBannerAd.loadAd(params, new BannerAd.BannerLoadListener() {
 				@Override
 				public void onBannerAdLoadSuccess() {
 					LogUtils.d(TAG, "onBannerAdLoadSuccess()");
-					showAd();
-					//mShowBtn.setEnabled(true);
-
-					/*long bannerPrice = getPrice();
-					 if (mIsBiddingWin) {
-					 //竞价成功时候上报win
-					 Map<String, Long> auctionBidInfo = new HashMap<>();
-					 auctionBidInfo.put(BaseAd.IBidding.EXPECT_COST_PRICE, bannerPrice);
-					 auctionBidInfo.put(BaseAd.IBidding.HIGHEST_LOSS_PRICE, BID_WIN_HIGHEST_LOSS_PRICE);
-					 mBannerAd.win(auctionBidInfo);
-					 } else {
-					 //竞价失败的时候上报loss
-					 Map<String, Object> lossReasonInfo = new HashMap<>();
-					 lossReasonInfo.put(BaseAd.IBidding.WIN_PRICE, BID_LOSS_WIN_PRICE);
-					 lossReasonInfo.put(BaseAd.IBidding.LOSS_REASON, BaseAd.LossReason.TYPE_LOWER_OTHER_BIDDER_PRICE);
-					 lossReasonInfo.put(BaseAd.IBidding.ADN_ID, 1);
-					 mBannerAd.loss(lossReasonInfo);
-					 }*/
+					// 修复：广告加载成功后校验Activity状态
+					if (!isFinishing() && !isDestroyed()) {
+						showAd();
+					}
 				}
 
 				@Override
 				public void onAdLoadFailed(int errorCode, String errorMsg) {
-					LogUtils.d(TAG, "errorCode = " + errorCode + ",  errorMsg = " + errorMsg);
+					LogUtils.e(TAG, "onAdLoadFailed: errorCode = " + errorCode + ", errorMsg = " + errorMsg);
+					// 修复：加载失败时移除当前广告实例
+					if (mAllBanners.contains(mBannerAd)) {
+						mAllBanners.remove(mBannerAd);
+					}
+					mBannerAd.destroy();
+					mBannerAd = null;
 				}
 			});
-	}
+    }
 
-	/**
-	 * 判断当前时间是单数秒还是双数秒
-	 * @return true：双数秒（0、2、4...），false：单数秒（1、3、5...）
-	 */
-	private String getAD_ID() {
-		// 1. 获取当前毫秒级时间戳
-		long currentTimeMillis = System.currentTimeMillis();
-		// 2. 转换为秒数（毫秒 ÷ 1000，向下取整）
-		long currentSecond = currentTimeMillis / 1000;
-		// 3. 对 2 取余：余数为 0 是双数秒，余数为 1 是单数秒
-		if(currentSecond % 2 == 0) {
-			return BANNER_POS_ID;
-		} else {
-			return BuildConfig.DEBUG?BANNER_POS_ID_WINBOLL_BETA:BANNER_POS_ID_WINBOLL;
-		}
-	}
+    /**
+     * 根据当前秒数获取广告ID（原逻辑保留）
+     */
+    private String getAD_ID() {
+        long currentSecond = System.currentTimeMillis() / 1000;
+        return (currentSecond % 2 == 0) ? BANNER_POS_ID :
+			(BuildConfig.DEBUG ? BANNER_POS_ID_WINBOLL_BETA : BANNER_POS_ID_WINBOLL);
+    }
 
-	/**
-	 * 扩展：获取当前秒数的奇偶描述（直接返回文字说明）
-	 * @return 字符串："单数秒" 或 "双数秒"
-	 */
-//	private String getSecondParityDesc() {
-//		long currentSecond = System.currentTimeMillis() / 1000;
-//		return (currentSecond % 2 == 0) ? "双数秒" : "单数秒";
-//	}
+    /**
+     * 获取广告价格（原逻辑保留，添加空指针校验）
+     */
+    private long getPrice() {
+        if (mBannerAd == null) {
+            return 0;
+        }
+        Map<String, Object> map = mBannerAd.getMediaExtraInfo();
+        if (map == null || map.isEmpty() || !map.containsKey("price")) {
+            LogUtils.w(TAG, "getPrice: media extra info is null or no price key");
+            return 0;
+        }
+        Object priceObj = map.get("price");
+        if (priceObj instanceof Long) {
+            return (Long) priceObj;
+        } else if (priceObj instanceof Integer) {
+            return ((Integer) priceObj).longValue();
+        } else {
+            LogUtils.e(TAG, "getPrice: price type is invalid");
+            return 0;
+        }
+    }
 
-
-	private long getPrice() {
-		if (mBannerAd == null) {
-			return 0;
-		}
-		Map<String, Object> map = mBannerAd.getMediaExtraInfo();
-		if (map == null || map.isEmpty()) {
-			return 0;
-		}
-		return (long) map.get("price");
-	}
-
-
-	private void showPrivacy() {
+    /**
+     * 显示隐私协议弹窗（原逻辑保留，优化Context使用）
+     */
+    private void showPrivacy() {
+        // 校验Activity状态，避免弹窗泄露
+        if (isFinishing() || isDestroyed()) {
+            return;
+        }
         String privacyAgreeValue = getSharedPreferences().getString(PRIVACY_VALUE, null);
         if (TextUtils.equals(privacyAgreeValue, String.valueOf(0))) {
-            Log.i(TAG, "已拒绝隐私协议，广告已处于不可以状态...");
-            Toast.makeText(this, "已拒绝隐私协议，广告已处于不可以状态", Toast.LENGTH_SHORT).show();
+            LogUtils.i(TAG, "已拒绝隐私协议，广告已处于不可用状态...");
+            Toast.makeText(getApplicationContext(), "已拒绝隐私协议，广告已处于不可用状态", Toast.LENGTH_SHORT).show();
             return;
         }
         if (TextUtils.equals(privacyAgreeValue, String.valueOf(1))) {
-            Log.i(TAG, "已同意隐私协议，开始初始化...");
+            LogUtils.i(TAG, "已同意隐私协议，开始初始化米盟SDK...");
             initMimoSdk();
             return;
         }
-        Log.i(TAG, "开始弹出隐私协议...");
-        AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
+        LogUtils.i(TAG, "开始弹出隐私协议...");
+        AlertDialog.Builder builder = new AlertDialog.Builder(this);
         builder.setTitle("用户须知");
         builder.setMessage("小米广告SDK隐私政策: https://dev.mi.com/distribute/doc/details?pId=1688, 请复制到浏览器查看");
         builder.setIcon(R.drawable.ic_launcher);
-        builder.setCancelable(false);            //点击对话框以外的区域是否让对话框消失
+        builder.setCancelable(false); // 点击对话框以外的区域不消失
         builder.setPositiveButton("同意", new DialogInterface.OnClickListener() {
 				@Override
 				public void onClick(DialogInterface dialog, int which) {
-					SharedPreferences.Editor editor = getSharedPreferences().edit();
-					editor.putString(PRIVACY_VALUE, String.valueOf(1));
-					editor.apply();
+					getSharedPreferences().edit()
+                        .putString(PRIVACY_VALUE, String.valueOf(1))
+                        .apply();
 					initMimoSdk();
 					dialog.dismiss();
 				}
@@ -611,59 +523,74 @@ public class MainActivity extends WinBoLLActivity {
         builder.setNegativeButton("拒绝", new DialogInterface.OnClickListener() {
 				@Override
 				public void onClick(DialogInterface dialog, int which) {
-					SharedPreferences.Editor editor = getSharedPreferences().edit();
-					editor.putString(PRIVACY_VALUE, String.valueOf(0));
-					editor.apply();
+					getSharedPreferences().edit()
+                        .putString(PRIVACY_VALUE, String.valueOf(0))
+                        .apply();
 					dialog.dismiss();
 				}
 			});
         AlertDialog dialog = builder.create();
 
+        // 配置弹窗位置（底部全屏）
         Window window = dialog.getWindow();
-        window.setGravity(Gravity.BOTTOM);
-
-        WindowManager m = getWindowManager();
-        Display d = m.getDefaultDisplay();
-        WindowManager.LayoutParams p = dialog.getWindow().getAttributes();
-        p.width = d.getWidth();
-        dialog.getWindow().setAttributes(p);
+        if (window != null) {
+            window.setGravity(Gravity.BOTTOM);
+            WindowManager m = getWindowManager();
+            Display d = m.getDefaultDisplay();
+            WindowManager.LayoutParams p = window.getAttributes();
+            p.width = d.getWidth();
+            window.setAttributes(p);
+        }
         dialog.show();
     }
 
+    /**
+     * 初始化米盟SDK（核心修复：传递ApplicationContext + 异常捕获）
+     */
     private void initMimoSdk() {
-        MimoSdk.init(this, new MimoCustomController() {
+        // 1. 安全获取ApplicationContext，避免Activity Context失效
+        Context appContext = getApplicationContext();
+        if (appContext == null) {
+            Log.e(TAG, "initMimoSdk: ApplicationContext is null");
+            return;
+        }
+        // 2. 初始化SDK，捕获异常避免崩溃
+        try {
+            MimoSdk.init(appContext, new MimoCustomController() {
+					@Override
+					public boolean isCanUseLocation() {
+						return true;
+					}
 
-				@Override
-				public boolean isCanUseLocation() {
-					return true;
-				}
+					@Override
+					public MimoLocation getMimoLocation() {
+						return null;
+					}
 
-				@Override
-				public MimoLocation getMimoLocation() {
-					return null;
-				}
+					@Override
+					public boolean isCanUseWifiState() {
+						return true;
+					}
 
-				@Override
-				public boolean isCanUseWifiState() {
-					return true;
-				}
+					@Override
+					public boolean alist() {
+						return true;
+					}
+				}, new MimoSdk.InitCallback() {
+					@Override
+					public void success() {
+						Log.d(TAG, "MimoSdk init success");
+					}
 
-				@Override
-				public boolean alist() {
-					return true;
-				}
-			} , new MimoSdk.InitCallback() {
-				@Override
-				public void success() {
-					Log.d(TAG, "MimoSdk init success");
-				}
-
-				@Override
-				public void fail(int code, String msg) {
-					Log.e(TAG, "MimoSdk init fail, code=" + code + ",msg=" + msg);
-				}
-			});
-        MimoSdk.setDebugOn(true);
+					@Override
+					public void fail(int code, String msg) {
+						Log.e(TAG, "MimoSdk init fail, code=" + code + ",msg=" + msg);
+					}
+				});
+            MimoSdk.setDebugOn(true);
+        } catch (Exception e) {
+            Log.e(TAG, "initMimoSdk: init failed", e);
+        }
     }
 
     @Override
@@ -671,11 +598,6 @@ public class MainActivity extends WinBoLLActivity {
         return super.dispatchKeyEvent(event);
     }
 
-//    @Override
-//    public boolean onNavigationItemSelected(@NonNull MenuItem menuItem) {
-//        return false;
-//    }
-
     @Override
     public void setupToolbar() {
         super.setupToolbar();
@@ -684,10 +606,22 @@ public class MainActivity extends WinBoLLActivity {
         }
     }
 
+    /**
+     * 获取SharedPreferences实例（原逻辑保留，添加空指针校验）
+     */
     public SharedPreferences getSharedPreferences() {
         if (mSharedPreferences == null) {
-            mSharedPreferences = getSharedPreferences(PRIVACY_FILE, Context.MODE_PRIVATE);
+            // 修复：使用ApplicationContext获取SharedPreferences，避免Activity Context泄露
+            Context appContext = getApplicationContext();
+            if (appContext != null) {
+                mSharedPreferences = appContext.getSharedPreferences(PRIVACY_FILE, Context.MODE_PRIVATE);
+            } else {
+                Log.e(TAG, "getSharedPreferences: ApplicationContext is null");
+                // 降级方案：若ApplicationContext为空，使用Activity Context（仅作兼容）
+                mSharedPreferences = super.getSharedPreferences(PRIVACY_FILE, Context.MODE_PRIVATE);
+            }
         }
         return mSharedPreferences;
     }
-} 
+}
+