1 /* 2 * Copyright (C) 2014 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 package com.example.android.apprestrictionschema; 18 19 import android.content.Context; 20 import android.content.RestrictionEntry; 21 import android.content.RestrictionsManager; 22 import android.os.Bundle; 23 import android.support.annotation.Nullable; 24 import android.support.v4.app.Fragment; 25 import android.text.TextUtils; 26 import android.view.LayoutInflater; 27 import android.view.View; 28 import android.view.ViewGroup; 29 import android.widget.Button; 30 import android.widget.TextView; 31 import android.widget.Toast; 32 33 import com.example.android.common.logger.Log; 34 35 import java.util.List; 36 37 /** 38 * Pressing the button on this fragment pops up a simple Toast message. The button is enabled or 39 * disabled according to the restrictions set by device/profile owner. You can use the 40 * AppRestrictionEnforcer sample as a profile owner for this. 41 */ 42 public class AppRestrictionSchemaFragment extends Fragment implements View.OnClickListener { 43 44 // Tag for the logger 45 private static final String TAG = "AppRestrictionSchemaFragment"; 46 47 private static final String KEY_CAN_SAY_HELLO = "can_say_hello"; 48 private static final String KEY_MESSAGE = "message"; 49 private static final String KEY_NUMBER = "number"; 50 private static final String KEY_RANK = "rank"; 51 private static final String KEY_APPROVALS = "approvals"; 52 53 // Message to show when the button is clicked (String restriction) 54 private String mMessage; 55 56 // UI Components 57 private TextView mTextSayHello; 58 private Button mButtonSayHello; 59 private TextView mTextNumber; 60 private TextView mTextRank; 61 private TextView mTextApprovals; 62 63 @Override 64 public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, 65 @Nullable Bundle savedInstanceState) { 66 return inflater.inflate(R.layout.fragment_app_restriction_schema, container, false); 67 } 68 69 @Override 70 public void onViewCreated(View view, @Nullable Bundle savedInstanceState) { 71 mTextSayHello = (TextView) view.findViewById(R.id.say_hello_explanation); 72 mButtonSayHello = (Button) view.findViewById(R.id.say_hello); 73 mTextNumber = (TextView) view.findViewById(R.id.your_number); 74 mTextRank = (TextView) view.findViewById(R.id.your_rank); 75 mTextApprovals = (TextView) view.findViewById(R.id.approvals_you_have); 76 mButtonSayHello.setOnClickListener(this); 77 } 78 79 @Override 80 public void onResume() { 81 super.onResume(); 82 resolveRestrictions(); 83 } 84 85 private void resolveRestrictions() { 86 RestrictionsManager manager = 87 (RestrictionsManager) getActivity().getSystemService(Context.RESTRICTIONS_SERVICE); 88 Bundle restrictions = manager.getApplicationRestrictions(); 89 List<RestrictionEntry> entries = manager.getManifestRestrictions(getActivity().getApplicationContext().getPackageName()); 90 for (RestrictionEntry entry : entries) { 91 String key = entry.getKey(); 92 Log.d(TAG, "key: " + key); 93 if (key.equals(KEY_CAN_SAY_HELLO)) { 94 updateCanSayHello(entry, restrictions); 95 } else if (key.equals(KEY_MESSAGE)) { 96 updateMessage(entry, restrictions); 97 } else if (key.equals(KEY_NUMBER)) { 98 updateNumber(entry, restrictions); 99 } else if (key.equals(KEY_RANK)) { 100 updateRank(entry, restrictions); 101 } else if (key.equals(KEY_APPROVALS)) { 102 updateApprovals(entry, restrictions); 103 } 104 } 105 } 106 107 private void updateCanSayHello(RestrictionEntry entry, Bundle restrictions) { 108 boolean canSayHello; 109 if (restrictions == null || !restrictions.containsKey(KEY_CAN_SAY_HELLO)) { 110 canSayHello = entry.getSelectedState(); 111 } else { 112 canSayHello = restrictions.getBoolean(KEY_CAN_SAY_HELLO); 113 } 114 mTextSayHello.setText(canSayHello ? 115 R.string.explanation_can_say_hello_true : 116 R.string.explanation_can_say_hello_false); 117 mButtonSayHello.setEnabled(canSayHello); 118 } 119 120 private void updateMessage(RestrictionEntry entry, Bundle restrictions) { 121 if (restrictions == null || !restrictions.containsKey(KEY_MESSAGE)) { 122 mMessage = entry.getSelectedString(); 123 } else { 124 mMessage = restrictions.getString(KEY_MESSAGE); 125 } 126 } 127 128 private void updateNumber(RestrictionEntry entry, Bundle restrictions) { 129 int number; 130 if (restrictions == null || !restrictions.containsKey(KEY_NUMBER)) { 131 number = entry.getIntValue(); 132 } else { 133 number = restrictions.getInt(KEY_NUMBER); 134 } 135 mTextNumber.setText(getString(R.string.your_number, number)); 136 } 137 138 private void updateRank(RestrictionEntry entry, Bundle restrictions) { 139 String rank; 140 if (restrictions == null || !restrictions.containsKey(KEY_RANK)) { 141 rank = entry.getSelectedString(); 142 } else { 143 rank = restrictions.getString(KEY_RANK); 144 } 145 mTextRank.setText(getString(R.string.your_rank, rank)); 146 } 147 148 private void updateApprovals(RestrictionEntry entry, Bundle restrictions) { 149 String[] approvals; 150 if (restrictions == null || !restrictions.containsKey(KEY_APPROVALS)) { 151 approvals = entry.getAllSelectedStrings(); 152 } else { 153 approvals = restrictions.getStringArray(KEY_APPROVALS); 154 } 155 String text; 156 if (approvals == null || approvals.length == 0) { 157 text = getString(R.string.none); 158 } else { 159 text = TextUtils.join(", ", approvals); 160 } 161 mTextApprovals.setText(getString(R.string.approvals_you_have, text)); 162 } 163 164 @Override 165 public void onClick(View view) { 166 switch (view.getId()) { 167 case R.id.say_hello: { 168 Toast.makeText(getActivity(), getString(R.string.message, mMessage), 169 Toast.LENGTH_SHORT).show(); 170 break; 171 } 172 } 173 } 174 175 } 176