1 /* 2 * Copyright (C) 2015 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.apis.inputmethod; 18 19 import android.app.Activity; 20 import android.content.Context; 21 import android.content.Intent; 22 import android.os.Bundle; 23 import android.provider.Settings; 24 import android.text.TextUtils; 25 import android.view.View; 26 import android.view.inputmethod.InputMethodInfo; 27 import android.view.inputmethod.InputMethodManager; 28 import android.widget.Button; 29 import android.widget.LinearLayout; 30 31 import java.util.ArrayList; 32 import java.util.List; 33 34 import static android.widget.LinearLayout.VERTICAL; 35 36 /** 37 * Demonstrates how to show the input method subtype enabler without relying on 38 * {@link InputMethodManager#showInputMethodAndSubtypeEnabler(String)}, which is highly likely to be 39 * broken. 40 */ 41 public class ShowInputMethodAndSubtypeEnabler extends Activity { 42 43 @Override 44 protected void onCreate(Bundle savedInstanceState) { 45 super.onCreate(savedInstanceState); 46 47 final LinearLayout layout = new LinearLayout(this); 48 layout.setOrientation(VERTICAL); 49 50 { 51 final Button button = new Button(this); 52 button.setText("Show (All IMEs)"); 53 button.setOnClickListener(new View.OnClickListener() { 54 @Override 55 public void onClick(View v) { 56 showInputMethodAndSubtypeEnabler(ShowInputMethodAndSubtypeEnabler.this, null); 57 } 58 }); 59 layout.addView(button); 60 } 61 62 for (InputMethodInfo imi : getEnabledInputMethodsThatHaveMultipleSubtypes()) { 63 final Button button = new Button(this); 64 final String id = imi.getId(); 65 button.setText("Show (" + id + ")"); 66 button.setOnClickListener(new View.OnClickListener() { 67 @Override 68 public void onClick(View v) { 69 showInputMethodAndSubtypeEnabler(ShowInputMethodAndSubtypeEnabler.this, id); 70 } 71 }); 72 layout.addView(button); 73 } 74 setContentView(layout); 75 } 76 77 //BEGIN_INCLUDE(showInputMethodAndSubtypeEnabler) 78 static void showInputMethodAndSubtypeEnabler(Context context, String inputMethodId) { 79 final Intent intent = new Intent(Settings.ACTION_INPUT_METHOD_SUBTYPE_SETTINGS); 80 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK 81 | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED 82 | Intent.FLAG_ACTIVITY_CLEAR_TOP); 83 if (!TextUtils.isEmpty(inputMethodId)) { 84 intent.putExtra(Settings.EXTRA_INPUT_METHOD_ID, inputMethodId); 85 } 86 context.startActivity(intent, null); 87 } 88 //END_INCLUDE(showInputMethodAndSubtypeEnabler) 89 90 private List<InputMethodInfo> getEnabledInputMethodsThatHaveMultipleSubtypes() { 91 final InputMethodManager imm = 92 (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); 93 final List<InputMethodInfo> result = new ArrayList<>(); 94 if (imm == null) { 95 return result; 96 } 97 for (InputMethodInfo imi : imm.getEnabledInputMethodList()) { 98 if (imi.getSubtypeCount() > 1) { 99 result.add(imi); 100 } 101 } 102 return result; 103 } 104 } 105