Android全局捕获异常

Android全局捕获异常

Android/Demo1/NeverCrashUtils.java

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+
+import android.app.Application;
+import android.content.Context;
+import android.os.Build;
+import android.os.Handler;
+import android.os.Looper;
+import android.util.Log;
+import android.widget.Toast;
+
+import com.yunbao.common.utils.FileUtil;
+import com.yunbao.common.utils.SpUtil;
+
+import java.io.File;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.util.Arrays;
+
+/**
+ * @ClassName NeverCrashUtils
+ * @Description 全局捕获异常
+ */
+public class NeverCrashUtils {
+
+    private final static String TAG = NeverCrashUtils.class.getSimpleName();
+    private final static NeverCrashUtils INSTANCE = new NeverCrashUtils();
+
+    private boolean debugMode;
+    private MainCrashHandler mainCrashHandler;
+    private UncaughtCrashHandler uncaughtCrashHandler;
+
+    private NeverCrashUtils() {
+    }
+
+    public static NeverCrashUtils getInstance() {
+        return INSTANCE;
+    }
+
+    private synchronized MainCrashHandler getMainCrashHandler() {
+        if (null == mainCrashHandler) {
+            mainCrashHandler = (t, e) -> {
+            };
+        }
+        return mainCrashHandler;
+    }
+
+    /**
+     * 主线程发生异常时的回调，可用于打印日志文件
+     * <p>
+     * 注意跨线程操作的可能
+     */
+    public NeverCrashUtils setMainCrashHandler(MainCrashHandler mainCrashHandler) {
+        this.mainCrashHandler = mainCrashHandler;
+        return this;
+    }
+
+    private synchronized UncaughtCrashHandler getUncaughtCrashHandler() {
+        if (null == uncaughtCrashHandler) {
+            uncaughtCrashHandler = (t, e) -> {
+            };
+        }
+        return uncaughtCrashHandler;
+    }
+
+    /**
+     * 子线程发生异常时的回调，可用于打印日志文件
+     * <p>
+     * 注意跨线程操作的可能
+     */
+    public NeverCrashUtils setUncaughtCrashHandler(UncaughtCrashHandler uncaughtCrashHandler) {
+        this.uncaughtCrashHandler = uncaughtCrashHandler;
+        return this;
+    }
+
+    private boolean isDebugMode() {
+        return debugMode;
+    }
+
+    /**
+     * debug模式，会打印log日志，且toast提醒发生异常，反之则都没有
+     */
+    public NeverCrashUtils setDebugMode(boolean debugMode) {
+        this.debugMode = debugMode;
+        return this;
+    }
+
+    /**
+     * 完成监听异常的注册
+     * @param application application
+     */
+    public void register(Application application) {
+        //主线程异常拦截
+        new Handler(Looper.getMainLooper()).post(() -> {
+            while (true) {
+                try {
+                    Looper.loop();
+                } catch (Throwable e) {
+                    if (isDebugMode()) {
+                        Log.e(TAG, "未捕获的主线程异常行为", e);
+                    }
+                    e.printStackTrace();
+                    Toast.makeText(application, "发生闪退", Toast.LENGTH_SHORT).show();
+                    FileUtil.saveStringToFile(new File(application.getDir("files", Context.MODE_PRIVATE).getAbsolutePath()),throwableToString(e),"error.log");
+                    getMainCrashHandler().mainException(Looper.getMainLooper().getThread(), e);
+
+                }
+            }
+        });
+
+        //子线程异常拦截
+        Thread.setDefaultUncaughtExceptionHandler((t, e) -> {
+            if (isDebugMode()) {
+                Log.e(TAG, "未捕获的子线程异常行为", e);
+            }
+            e.printStackTrace();
+            Toast.makeText(application, "发生闪退", Toast.LENGTH_SHORT).show();
+            FileUtil.saveStringToFile(new File(application.getDir("files", Context.MODE_PRIVATE).getAbsolutePath()),throwableToString(e),"error.log");
+            getMainCrashHandler().mainException(Looper.getMainLooper().getThread(), e);
+            getUncaughtCrashHandler().uncaughtException(t, e);
+
+        });
+    }
+
+    public interface MainCrashHandler {
+        void mainException(Thread t, Throwable e);
+    }
+
+    public interface UncaughtCrashHandler {
+        void uncaughtException(Thread t, Throwable e);
+    }
+    private static String throwableToString(Throwable e) {
+        StringWriter writer=new StringWriter();
+        writer.write("time="+System.currentTimeMillis()+"\n");
+        writer.write("AndroidVersion="+ Build.VERSION.SDK_INT+"\n");
+        writer.write("AndroidName="+ Build.VERSION.RELEASE+"\n");
+        writer.write("PhoneName="+ Build.BRAND+"\n");
+        writer.write("Phone="+ Build.MODEL+"\n");
+        writer.write("CPU="+ Arrays.toString(Build.SUPPORTED_ABIS) +"\n");
+        writer.write("UserData="+SpUtil.getInstance().getStringValue(SpUtil.USER_INFO)+"\n");
+        writer.write("[ERROR]");
+        PrintWriter printWriter=new PrintWriter(writer);
+        e.printStackTrace(printWriter);
+        return writer.toString();
+    }
+}