1 /* 2 * Copyright 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 /* 17 * Copyright 2013 The Android Open Source Project 18 * 19 * Licensed under the Apache License, Version 2.0 (the "License"); 20 * you may not use this file except in compliance with the License. 21 * You may obtain a copy of the License at 22 * 23 * http://www.apache.org/licenses/LICENSE-2.0 24 * 25 * Unless required by applicable law or agreed to in writing, software 26 * distributed under the License is distributed on an "AS IS" BASIS, 27 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 28 * See the License for the specific language governing permissions and 29 * limitations under the License. 30 */ 31 32 package com.example.android.common.logger; 33 34 import android.graphics.Typeface; 35 import android.os.Bundle; 36 import android.support.v4.app.Fragment; 37 import android.text.Editable; 38 import android.text.TextWatcher; 39 import android.view.Gravity; 40 import android.view.LayoutInflater; 41 import android.view.View; 42 import android.view.ViewGroup; 43 import android.widget.ScrollView; 44 45 /** 46 * Simple fraggment which contains a LogView and uses is to output log data it receives 47 * through the LogNode interface. 48 */ 49 public class LogFragment extends Fragment { 50 51 private LogView mLogView; 52 private ScrollView mScrollView; 53 54 public LogFragment() {} 55 56 public View inflateViews() { 57 mScrollView = new ScrollView(getActivity()); 58 ViewGroup.LayoutParams scrollParams = new ViewGroup.LayoutParams( 59 ViewGroup.LayoutParams.MATCH_PARENT, 60 ViewGroup.LayoutParams.MATCH_PARENT); 61 mScrollView.setLayoutParams(scrollParams); 62 63 mLogView = new LogView(getActivity()); 64 ViewGroup.LayoutParams logParams = new ViewGroup.LayoutParams(scrollParams); 65 logParams.height = ViewGroup.LayoutParams.WRAP_CONTENT; 66 mLogView.setLayoutParams(logParams); 67 mLogView.setClickable(true); 68 mLogView.setFocusable(true); 69 mLogView.setTypeface(Typeface.MONOSPACE); 70 71 // Want to set padding as 16 dips, setPadding takes pixels. Hooray math! 72 int paddingDips = 16; 73 double scale = getResources().getDisplayMetrics().density; 74 int paddingPixels = (int) ((paddingDips * (scale)) + .5); 75 mLogView.setPadding(paddingPixels, paddingPixels, paddingPixels, paddingPixels); 76 mLogView.setCompoundDrawablePadding(paddingPixels); 77 78 mLogView.setGravity(Gravity.BOTTOM); 79 mLogView.setTextAppearance(getActivity(), android.R.style.TextAppearance_Holo_Medium); 80 81 mScrollView.addView(mLogView); 82 return mScrollView; 83 } 84 85 @Override 86 public View onCreateView(LayoutInflater inflater, ViewGroup container, 87 Bundle savedInstanceState) { 88 89 View result = inflateViews(); 90 91 mLogView.addTextChangedListener(new TextWatcher() { 92 @Override 93 public void beforeTextChanged(CharSequence s, int start, int count, int after) {} 94 95 @Override 96 public void onTextChanged(CharSequence s, int start, int before, int count) {} 97 98 @Override 99 public void afterTextChanged(Editable s) { 100 mScrollView.fullScroll(ScrollView.FOCUS_DOWN); 101 } 102 }); 103 return result; 104 } 105 106 public LogView getLogView() { 107 return mLogView; 108 } 109 }