store errors on crash

app/src/main/java/ohi/andre/consolelauncher/TUIApplication.java

+package ohi.andre.consolelauncher;
+
+/*Copyright Francesco Andreuzzi
+
+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.*/
+
+import android.app.Application;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+
+import ohi.andre.consolelauncher.tuils.Tuils;
+
+public class TUIApplication extends Application {
+
+    private final String ERROR_FILE = "error.log";
+
+    private Thread.UncaughtExceptionHandler uncaughtExceptionHandler =
+            new Thread.UncaughtExceptionHandler() {
+                @Override
+                public void uncaughtException(Thread thread, Throwable ex) {
+                    File tuiFolder = Tuils.getTuiFolder();
+                    File errorLog = new File(tuiFolder, ERROR_FILE);
+                    try {
+                        FileWriter writer = new FileWriter(errorLog);
+                        writer.write(ex.toString());
+                        writer.write(Tuils.NEWLINE);
+                        writer.write(Tuils.NEWLINE);
+                        for(StackTraceElement element : ex.getStackTrace()) {
+                            writer.write(element.toString());
+                            writer.write(Tuils.NEWLINE);
+                        }
+                        writer.close();
+                    } catch (IOException e) {}
+                }
+            };
+
+    public TUIApplication() {
+        Thread.setDefaultUncaughtExceptionHandler(uncaughtExceptionHandler);
+    }
+}