Add crash catch

app/src/main/java/com/hippo/ehviewer/Crash.java

@@ -0,0 +1,165 @@
+/*
+ * Copyright 2016 Hippo Seven
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.hippo.ehviewer;
+
+import android.content.Context;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.os.Build;
+
+import com.hippo.util.PackageUtils;
+import com.hippo.util.ReadableTime;
+import com.hippo.yorozuya.IOUtils;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.PrintWriter;
+
+public class Crash {
+
+    private static void collectInfo(Context context, FileWriter fw) throws IOException {
+        try {
+            PackageManager pm = context.getPackageManager();
+            PackageInfo pi = pm.getPackageInfo(context.getPackageName(), PackageManager.GET_ACTIVITIES);
+            if (pi != null) {
+                String versionName = pi.versionName == null ? "null" : pi.versionName;
+                String versionCode = String.valueOf(pi.versionCode);
+                fw.write("======== PackageInfo ========\r\n");
+                fw.write("PackageName=");fw.write(pi.packageName);fw.write("\r\n");
+                fw.write("VersionName=");fw.write(versionName);fw.write("\r\n");
+                fw.write("VersionCode=");fw.write(versionCode);fw.write("\r\n");
+                String signature = PackageUtils.getSignature(context, pi.packageName);
+                fw.write("Signature=");fw.write(null != signature ? signature : "null");fw.write("\r\n");
+                fw.write("\r\n");
+            }
+        } catch (PackageManager.NameNotFoundException e) {
+            fw.write("======== PackageInfo ========\r\n");
+            fw.write("Can't get package information\r\n");
+            fw.write("\r\n");
+        }
+
+        // Device info
+        fw.write("======== DeviceInfo ========\r\n");
+        fw.write("BOARD=");fw.write(Build.BOARD);fw.write("\r\n");
+        fw.write("BOOTLOADER=");fw.write(Build.BOOTLOADER);fw.write("\r\n");
+        fw.write("CPU_ABI=");fw.write(Build.CPU_ABI);fw.write("\r\n");
+        fw.write("CPU_ABI2=");fw.write(Build.CPU_ABI2);fw.write("\r\n");
+        fw.write("DEVICE=");fw.write(Build.DEVICE);fw.write("\r\n");
+        fw.write("DISPLAY=");fw.write(Build.DISPLAY);fw.write("\r\n");
+        fw.write("FINGERPRINT=");fw.write(Build.FINGERPRINT);fw.write("\r\n");
+        fw.write("HARDWARE=");fw.write(Build.HARDWARE);fw.write("\r\n");
+        fw.write("HOST=");fw.write(Build.HOST);fw.write("\r\n");
+        fw.write("ID=");fw.write(Build.ID);fw.write("\r\n");
+        fw.write("MANUFACTURER=");fw.write(Build.MANUFACTURER);fw.write("\r\n");
+        fw.write("MODEL=");fw.write(Build.MODEL);fw.write("\r\n");
+        fw.write("PRODUCT=");fw.write(Build.PRODUCT);fw.write("\r\n");
+        fw.write("RADIO=");fw.write(Build.getRadioVersion());fw.write("\r\n");
+        fw.write("SERIAL=");fw.write(Build.SERIAL);fw.write("\r\n");
+        fw.write("TAGS=");fw.write(Build.TAGS);fw.write("\r\n");
+        fw.write("TYPE=");fw.write(Build.TYPE);fw.write("\r\n");
+        fw.write("USER=");fw.write(Build.USER);fw.write("\r\n");
+        fw.write("CODENAME=");fw.write(Build.VERSION.CODENAME);fw.write("\r\n");
+        fw.write("INCREMENTAL=");fw.write(Build.VERSION.INCREMENTAL);fw.write("\r\n");
+        fw.write("RELEASE=");fw.write(Build.VERSION.RELEASE);fw.write("\r\n");
+        fw.write("SDK=");fw.write(Integer.toString(Build.VERSION.SDK_INT));fw.write("\r\n");
+        fw.write("\r\n");
+    }
+
+    public static void getThrowableInfo(Throwable t, FileWriter fw) {
+        PrintWriter printWriter = new PrintWriter(fw);
+        t.printStackTrace(printWriter);
+        Throwable cause = t.getCause();
+        while (cause != null) {
+            cause.printStackTrace(printWriter);
+            cause = cause.getCause();
+        }
+    }
+
+    public static void saveCrashInfo2File(Context context, Throwable ex) {
+        File dir = AppConfig.getExternalCrashDir();
+        if (dir == null) {
+            return;
+        }
+
+        String fileName = "crash-" + ReadableTime.getFilenamableTime(System.currentTimeMillis()) + ".log";
+        File file = new File(dir, fileName);
+
+        FileWriter fw = null;
+        try {
+            fw = new FileWriter(file);
+            fw.write("TIME=");fw.write(ReadableTime.getFilenamableTime(System.currentTimeMillis()));fw.write("\r\n");
+            fw.write("\r\n");
+            collectInfo(context, fw);
+            fw.write("======== CrashInfo ========\r\n");
+            getThrowableInfo(ex, fw);
+            fw.write("\r\n");
+
+            fw.flush();
+
+            Settings.putCrashFilename(fileName);
+        } catch (Exception e) {
+            file.delete();
+        } finally {
+            IOUtils.closeQuietly(fw);
+        }
+    }
+
+    public static boolean hasCrashFile() {
+        String filename = Settings.getCrashFilename();
+        if (filename == null) {
+            return false;
+        }
+
+        File dir = AppConfig.getExternalCrashDir();
+        if (dir == null) {
+            return false;
+        }
+
+        return new File(dir, filename).isFile();
+    }
+
+    public static String getCrashContent() {
+        String filename = Settings.getCrashFilename();
+        if (filename == null) {
+            return null;
+        }
+
+        File dir = AppConfig.getExternalCrashDir();
+        if (dir == null) {
+            return null;
+        }
+
+        File file = new File(dir, filename);
+
+        InputStream is = null;
+        try {
+            is = new FileInputStream(file);
+            return IOUtils.readString(is, "UTF-8");
+        } catch (IOException e) {
+            return null;
+        } finally {
+            IOUtils.closeQuietly(is);
+        }
+    }
+
+    public static void resetCrashFile() {
+        Settings.putCrashFilename(null);
+    }
+}