android/app/src/main/java/net/minetest/minetest/GameActivity.java

   1 /*
   2 Minetest
   3 Copyright (C) 2014-2020 MoNTE48, Maksim Gamarnik <MoNTE48@mail.ua>
   4 Copyright (C) 2014-2020 ubulem,  Bektur Mambetov <berkut87@gmail.com>
   5
   6 This program is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU Lesser General Public License as published by
   8 the Free Software Foundation; either version 2.1 of the License, or
   9 (at your option) any later version.
  10
  11 This program is distributed in the hope that it will be useful,
  12 but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 GNU Lesser General Public License for more details.
  15
  16 You should have received a copy of the GNU Lesser General Public License along
  17 with this program; if not, write to the Free Software Foundation, Inc.,
  18 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 */
  20
  21 package net.minetest.minetest;
  22
  23 import android.app.NativeActivity;
  24 import android.content.Intent;
  25 import android.net.Uri;
  26 import android.os.Build;
  27 import android.os.Bundle;
  28 import android.text.InputType;
  29 import android.view.KeyEvent;
  30 import android.view.View;
  31 import android.view.WindowManager;
  32 import android.view.inputmethod.InputMethodManager;
  33 import android.widget.Button;
  34 import android.widget.EditText;
  35 import android.widget.LinearLayout;
  36
  37 import androidx.annotation.Keep;
  38 import androidx.appcompat.app.AlertDialog;
  39
  40 import java.util.Objects;
  41
  42 // Native code finds these methods by name (see porting_android.cpp).
  43 // This annotation prevents the minifier/Proguard from mangling them.
  44 @Keep
  45 public class GameActivity extends NativeActivity {
  46         static {
  47                 System.loadLibrary("c++_shared");
  48                 System.loadLibrary("Minetest");
  49         }
  50
  51         private int messageReturnCode = -1;
  52         private String messageReturnValue = "";
  53
  54         public static native void putMessageBoxResult(String text);
  55
  56         @Override
  57         public void onCreate(Bundle savedInstanceState) {
  58                 super.onCreate(savedInstanceState);
  59                 getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
  60         }
  61
  62         private void makeFullScreen() {
  63                 if (Build.VERSION.SDK_INT >= 19)
  64                         this.getWindow().getDecorView().setSystemUiVisibility(
  65                                         View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION |
  66                                         View.SYSTEM_UI_FLAG_HIDE_NAVIGATION |
  67                                         View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY);
  68         }
  69
  70         @Override
  71         public void onWindowFocusChanged(boolean hasFocus) {
  72                 super.onWindowFocusChanged(hasFocus);
  73                 if (hasFocus)
  74                         makeFullScreen();
  75         }
  76
  77         @Override
  78         protected void onResume() {
  79                 super.onResume();
  80                 makeFullScreen();
  81         }
  82
  83         @Override
  84         public void onBackPressed() {
  85                 // Ignore the back press so Minetest can handle it
  86         }
  87
  88         public void showDialog(String acceptButton, String hint, String current, int editType) {
  89                 runOnUiThread(() -> showDialogUI(hint, current, editType));
  90         }
  91
  92         private void showDialogUI(String hint, String current, int editType) {
  93                 final AlertDialog.Builder builder = new AlertDialog.Builder(this);
  94                 LinearLayout container = new LinearLayout(this);
  95                 container.setOrientation(LinearLayout.VERTICAL);
  96                 builder.setView(container);
  97                 AlertDialog alertDialog = builder.create();
  98                 EditText editText;
  99                 // For multi-line, do not close the dialog after pressing back button
 100                 if (editType == 1) {
 101                         editText = new EditText(this);
 102                 } else {
 103                         editText = new CustomEditText(this);
 104                 }
 105                 container.addView(editText);
 106                 editText.setMaxLines(8);
 107                 editText.requestFocus();
 108                 editText.setHint(hint);
 109                 editText.setText(current);
 110                 final InputMethodManager imm = (InputMethodManager) getSystemService(INPUT_METHOD_SERVICE);
 111                 Objects.requireNonNull(imm).toggleSoftInput(InputMethodManager.SHOW_FORCED,
 112                                 InputMethodManager.HIDE_IMPLICIT_ONLY);
 113                 if (editType == 1)
 114                         editText.setInputType(InputType.TYPE_CLASS_TEXT |
 115                                         InputType.TYPE_TEXT_FLAG_MULTI_LINE);
 116                 else if (editType == 3)
 117                         editText.setInputType(InputType.TYPE_CLASS_TEXT |
 118                                         InputType.TYPE_TEXT_VARIATION_PASSWORD);
 119                 else
 120                         editText.setInputType(InputType.TYPE_CLASS_TEXT);
 121                 editText.setSelection(editText.getText().length());
 122                 editText.setOnKeyListener((view, keyCode, event) -> {
 123                         // For multi-line, do not submit the text after pressing Enter key
 124                         if (keyCode == KeyEvent.KEYCODE_ENTER && editType != 1) {
 125                                 imm.hideSoftInputFromWindow(editText.getWindowToken(), 0);
 126                                 messageReturnCode = 0;
 127                                 messageReturnValue = editText.getText().toString();
 128                                 alertDialog.dismiss();
 129                                 return true;
 130                         }
 131                         return false;
 132                 });
 133                 // For multi-line, add Done button since Enter key does not submit text
 134                 if (editType == 1) {
 135                         Button doneButton = new Button(this);
 136                         container.addView(doneButton);
 137                         doneButton.setText(R.string.ime_dialog_done);
 138                         doneButton.setOnClickListener((view -> {
 139                                 imm.hideSoftInputFromWindow(editText.getWindowToken(), 0);
 140                                 messageReturnCode = 0;
 141                                 messageReturnValue = editText.getText().toString();
 142                                 alertDialog.dismiss();
 143                         }));
 144                 }
 145                 alertDialog.show();
 146                 alertDialog.setOnCancelListener(dialog -> {
 147                         getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
 148                         messageReturnValue = current;
 149                         messageReturnCode = -1;
 150                 });
 151         }
 152
 153         public int getDialogState() {
 154                 return messageReturnCode;
 155         }
 156
 157         public String getDialogValue() {
 158                 messageReturnCode = -1;
 159                 return messageReturnValue;
 160         }
 161
 162         public float getDensity() {
 163                 return getResources().getDisplayMetrics().density;
 164         }
 165
 166         public int getDisplayHeight() {
 167                 return getResources().getDisplayMetrics().heightPixels;
 168         }
 169
 170         public int getDisplayWidth() {
 171                 return getResources().getDisplayMetrics().widthPixels;
 172         }
 173
 174         public void openURI(String uri) {
 175                 Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(uri));
 176                 startActivity(browserIntent);
 177         }
 178
 179         public String getUserDataPath() {
 180                 return Utils.getUserDataDirectory(this).getAbsolutePath();
 181         }
 182
 183         public String getCachePath() {
 184                 return Utils.getCacheDirectory(this).getAbsolutePath();
 185         }
 186 }