1 /* 2 * Copyright (C) 2021 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 package com.android.settings.development.tare; 17 18 import android.app.Activity; 19 import android.app.Fragment; 20 import android.app.FragmentTransaction; 21 import android.content.Intent; 22 import android.os.Bundle; 23 import android.view.View; 24 import android.widget.AdapterView; 25 import android.widget.ArrayAdapter; 26 import android.widget.Spinner; 27 28 import com.android.settings.R; 29 import com.android.settingslib.widget.SettingsSpinnerAdapter; 30 31 /** 32 * Dropdown activity to allow for the user to easily switch between the different TARE 33 * policies in the developer options of settings. Depending on what is chosen, the fragment 34 * containing that specific policies' factors will be generated. 35 */ 36 public class DropdownActivity extends Activity { 37 38 private Fragment mAlarmManagerFragment; 39 private Fragment mJobSchedulerFragment; 40 private Spinner mSpinner; 41 static final String EXTRA_POLICY = "policy"; 42 static final int POLICY_ALARM_MANAGER = 0; 43 static final int POLICY_JOB_SCHEDULER = 1; 44 private static final int DEFAULT_POLICY = POLICY_ALARM_MANAGER; 45 46 @Override onCreate(Bundle savedInstanceState)47 protected void onCreate(Bundle savedInstanceState) { 48 super.onCreate(savedInstanceState); 49 setContentView(R.layout.tare_dropdown_page); 50 51 // Determines what policy fragment to open up to 52 Intent intent = getIntent(); 53 int policy = intent.getIntExtra(EXTRA_POLICY, DEFAULT_POLICY); 54 55 mSpinner = findViewById(R.id.spinner); 56 mAlarmManagerFragment = new AlarmManagerFragment(); 57 mJobSchedulerFragment = new JobSchedulerFragment(); 58 59 String[] policies = getResources().getStringArray(R.array.tare_policies); 60 61 ArrayAdapter<String> arrayAdapter = new SettingsSpinnerAdapter<String>(this); 62 arrayAdapter.addAll(policies); 63 mSpinner.setAdapter(arrayAdapter); 64 65 mSpinner.setSelection(policy); 66 selectFragment(policy); 67 68 mSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { 69 @Override 70 public void onItemSelected(AdapterView<?> adapterView, View view, int position, 71 long id) { 72 selectFragment(position); 73 } 74 75 @Override 76 public void onNothingSelected(AdapterView<?> adapterView) { 77 } 78 }); 79 } 80 81 /** Selects the correct policy fragment to display based on user selection */ selectFragment(int policy)82 private void selectFragment(int policy) { 83 switch (policy) { 84 case POLICY_ALARM_MANAGER: 85 openFragment(mAlarmManagerFragment); 86 break; 87 case POLICY_JOB_SCHEDULER: 88 openFragment(mJobSchedulerFragment); 89 break; 90 default: 91 openFragment(mAlarmManagerFragment); 92 } 93 } 94 95 /** Opens the correct policy fragment */ openFragment(Fragment fragment)96 private void openFragment(Fragment fragment) { 97 FragmentTransaction fragmentTransaction = getFragmentManager().beginTransaction(); 98 fragmentTransaction.replace(R.id.frame_layout, fragment); 99 fragmentTransaction.commit(); 100 } 101 } 102