Java tutorial
/* * Copyright 2013 The Android Open Source Project * * 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.example.android.basicandroidkeystore; import com.example.android.common.logger.LogView; import android.os.Bundle; import android.support.v4.app.Fragment; import android.text.Editable; import android.text.TextWatcher; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ScrollView; /** * Simple fraggment which contains a LogView and uses is to output log data it receives * through the LogNode interface. */ public class LogFragment extends Fragment { private LogView mLogView; public LogFragment() { } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View result = inflater.inflate(R.layout.log_fragment, container, false); mLogView = (LogView) result.findViewById(R.id.sample_output); // Wire up so when the text changes, the view scrolls down. final ScrollView scrollView = ((ScrollView) result.findViewById(R.id.log_scroll)); mLogView.addTextChangedListener(new TextWatcher() { @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { } @Override public void onTextChanged(CharSequence s, int start, int before, int count) { scrollView.fullScroll(ScrollView.FOCUS_DOWN); } @Override public void afterTextChanged(Editable s) { scrollView.fullScroll(ScrollView.FOCUS_DOWN); } }); return result; } public LogView getLogView() { return mLogView; } }