Entrada do ponteiro do mouse do aplicativo Android Não funciona bem em elementos de IU de atividades

Question

Resolvido! https://stackoverflow.com/a/63790855/12021422

Estou trabalhando em um aplicativo Android que funciona em celulares, guias e caixas de TV. Meu aplicativo precisará lidar com entradas de toque, ponteiro do mouse ou remoto.

Atualmente, My Code funciona bem para alcançar a funcionalidade, mas há um comportamento anormal no manuseio das entradas do Mouse, que só acontece na TV Box.

Problema: quando o aplicativo é iniciado, o controle remoto pode navegar facilmente nos focusableelementos, mas o ponteiro do mouse não é detectado pelos elementos do aplicativo. Agora, quando o ponteiro do mouse é direcionado para a Opção de Volume e volta com um clique. O aplicativo começa a detectar o mouse, mas após alguma ação, ele perde novamente a focusinterface do usuário do aplicativo e o movimento do ponteiro do mouse e os cliques tornam-se não detectados novamente.

Assista ao vídeo do link abaixo para ver como o aplicativo está se comportando no momento. https://jumpshare.com/v/bvyfbqZFWNJfoUsXJbSU

Síntese do problema: como o controlador de volume é exibido acima do aplicativo, o mouse pode fazer alterações no rastreador de volume e sair após clicar com o botão esquerdo. O aplicativo torna-se responsivo ao passar o mouse e à ação do ponteiro do mouse e, quando alguma ação é realizada no aplicativo, ele deixa de responder novamente.

Algumas condições que o aplicativo deve seguir:

• SDK mínimo 19
• ScrollView

Código

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/root_layout"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#dad6d6"
    android:orientation="vertical">

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:orientation="vertical">


            <TextView
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="30sp"
                android:fontFamily="@font/poppinsregular"
                android:gravity="center"
                android:text="Mouse and Remote Input App"
                android:textColor="#000000"
                android:textSize="30sp" />


            <Button
                android:id="@+id/btn1"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:background="@drawable/buttondesign"
                android:focusable="true"
                android:focusableInTouchMode="true"
                android:fontFamily="@font/poppinsregular"
                android:text="Button 1"
                android:textColor="#ffffff"
                android:textSize="20sp"
                android:textStyle="bold" />

            <Button
                android:id="@+id/btn2"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_marginTop="10sp"
                android:background="@drawable/buttondesign"
                android:focusable="true"
                android:focusableInTouchMode="true"
                android:fontFamily="@font/poppinsregular"
                android:text="Button 2"
                android:textColor="#ffffff"
                android:textSize="20sp"
                android:textStyle="bold" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"

                android:layout_marginTop="20sp"
                android:fontFamily="@font/poppinsregular"
                android:text="Try Switch 1"
                android:textColor="#000000"
                android:textSize="20sp" />

            <Switch
                android:id="@+id/switch1"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:layout_marginTop="2sp"
                android:focusable="true"
                android:focusableInTouchMode="true"

                />


            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:fontFamily="@font/poppinsregular"
                android:text="Edit Text 1"
                android:textColor="#000000"
                android:textSize="20sp" />

            <EditText
                android:id="@+id/edittext1"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:autofillHints=""
                android:background="@drawable/edittext_design"
                android:ems="5"
                android:focusable="true"
                android:focusableInTouchMode="true"
                android:hint="Number"
                android:inputType="number"
                android:textAlignment="center"
                android:textColor="@android:color/black"
                android:textSize="30sp" />


        </LinearLayout>

    </ScrollView>
    </LinearLayout>

MainActivity.java

package com.example.remoteandmouseapp;


import android.annotation.SuppressLint;
import android.content.Context;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Log;
import android.view.Gravity;
import android.view.MotionEvent;
import android.view.View;
import android.view.WindowManager;
import android.view.inputmethod.InputMethodManager;
import android.widget.Button;
import android.widget.CompoundButton;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.Switch;
import android.widget.Toast;

import androidx.appcompat.app.AppCompatActivity;


public class MainActivity extends AppCompatActivity {
    LinearLayout root_layout;

    Switch switch1;
    EditText edittext1;
    Button btn1, btn2;


    @Override
    protected void onStart() {
        super.onStart();
    }

    @Override
    protected void onResume() {
        super.onResume();
    }

    @Override
    protected void onPause() {
        super.onPause();
    }


    @SuppressLint("ClickableViewAccessibility")
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        getSupportActionBar().hide();
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
        getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
        getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);

        switch1 = (Switch) findViewById(R.id.switch1);

        edittext1 = (EditText) findViewById(R.id.edittext1);


        root_layout = findViewById(R.id.root_layout);


        edittext1.setText("4");


        btn1 = (Button) findViewById(R.id.btn1);
        btn2 = (Button) findViewById(R.id.btn2);

        btn1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View arg0) {
                //textInfo.setText("");
                Toast toast = Toast.makeText(getApplicationContext(), "Button 1 Clicked", Toast.LENGTH_SHORT);
                toast.setGravity(Gravity.CENTER, 0, 0);
                toast.show();

            }
        });

        btn1.setOnTouchListener(new Button.OnTouchListener() {

            @Override
            public boolean onTouch(View v, MotionEvent arg1) {
                if ((arg1.getAction() == MotionEvent.ACTION_UP)) {
                    Toast toast = Toast.makeText(getApplicationContext(), "Button 1 Touched", Toast.LENGTH_SHORT);
                    toast.setGravity(Gravity.CENTER, 0, 0);
                    toast.show();

                }
                return true;
            }
        });

        btn1.setOnHoverListener(new View.OnHoverListener() {
            @Override
            public boolean onHover(View v, MotionEvent event) {

                if (event.getAction() == MotionEvent.ACTION_HOVER_ENTER) {
                    btn1.setBackgroundResource(R.drawable.onfoucsbuttondesign);

                }
                if (event.getAction() == MotionEvent.ACTION_HOVER_EXIT) {
                    btn1.setBackgroundResource(R.drawable.buttondesign);

                }

                return true;
            }
        });
        btn1.setOnFocusChangeListener(new View.OnFocusChangeListener() {

            @Override
            public void onFocusChange(View v, boolean hasFocus) {

                if (hasFocus) {
                    btn1.setBackgroundResource(R.drawable.onfoucsbuttondesign);
                } else {
                    btn1.setBackgroundResource(R.drawable.buttondesign);
                }
            }
        });


        btn2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View arg0) {
                //textInfo.setText("");
                Toast toast = Toast.makeText(getApplicationContext(), "Button 2 Clicked", Toast.LENGTH_SHORT);
                toast.setGravity(Gravity.CENTER, 0, 0);
                toast.show();

            }
        });

        btn2.setOnHoverListener(new View.OnHoverListener() {
            @Override
            public boolean onHover(View v, MotionEvent event) {

                if (event.getAction() == MotionEvent.ACTION_HOVER_ENTER) {
                    btn2.setBackgroundResource(R.drawable.onfoucsbuttondesign);

                }
                if (event.getAction() == MotionEvent.ACTION_HOVER_EXIT) {
                    btn2.setBackgroundResource(R.drawable.buttondesign);
                }

                return true;
            }
        });

        btn2.setOnTouchListener(new Button.OnTouchListener() {

            @Override
            public boolean onTouch(View v, MotionEvent arg1) {
                if ((arg1.getAction() == MotionEvent.ACTION_UP)) {
                    Toast toast = Toast.makeText(getApplicationContext(), "Button 2 Touched", Toast.LENGTH_SHORT);
                    toast.setGravity(Gravity.CENTER, 0, 0);
                    toast.show();

                }
                return true;
            }
        });


        btn2.setOnFocusChangeListener(new View.OnFocusChangeListener() {

            @Override
            public void onFocusChange(View v, boolean hasFocus) {

                if (hasFocus) {
                    btn2.setBackgroundResource(R.drawable.onfoucsbuttondesign);
                } else {
                    btn2.setBackgroundResource(R.drawable.buttondesign);

                }
            }
        });

        edittext1.addTextChangedListener(new TextWatcher() {

            public void afterTextChanged(Editable s) {
                if (!s.toString().equals("")) {

                    Toast toast = Toast.makeText(getApplicationContext(), "Edit Text Changed to: " + s, Toast.LENGTH_SHORT);
                    toast.setGravity(Gravity.CENTER, 0, 0);
                    toast.show();
                } else {

                }
            }

            public void beforeTextChanged(CharSequence s, int start,
                                          int count, int after) {
            }

            public void onTextChanged(CharSequence s, int start,
                                      int before, int count) {

                // status.setText(""+s);
            }
        });

        edittext1.setOnTouchListener(new Button.OnTouchListener() {
            @Override
            public boolean onTouch(View v, MotionEvent arg1) {
                if ((arg1.getAction() == MotionEvent.ACTION_UP)) {

                    edittext1.requestFocus();
                    edittext1.setCursorVisible(true);
                    InputMethodManager imm = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
                    imm.showSoftInput(edittext1, InputMethodManager.SHOW_IMPLICIT);
                    edittext1.setSelection(edittext1.getText().length());
                }
                return true;
            }
        });


        switch1.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {

            @Override
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                Log.v("Switch State=", "" + isChecked);
                Toast toast = Toast.makeText(getApplicationContext(), "Switch Boolean: " + isChecked, Toast.LENGTH_SHORT);
                toast.setGravity(Gravity.CENTER, 0, 0);
                toast.show();
            }
        });


        switch1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View arg0) {
                toggleSwitchOnTap();
            }
        });

        switch1.setOnTouchListener(new Button.OnTouchListener() {
            @Override
            public boolean onTouch(View v, MotionEvent arg1) {
                if ((arg1.getAction() == MotionEvent.ACTION_UP)) {
                    toggleSwitchOnTap();
                }
                return true;
            }
        });


    }

    public void toggleSwitchOnTap() {
        if (switch1.isChecked()) {
            switch1.setChecked(false);
        } else {
            switch1.setChecked(true);
        }
    }


}

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    package="com.example.remoteandmouseapp">
    <uses-feature android:name="android.hardware.touchscreen"
        android:required="false" />
    <uses-feature android:name="android.hardware.faketouch"
        android:required="false"
        />
    <application
        android:allowBackup="false"
        android:icon="@mipmap/ic_launcher"
        android:label="Testname"
        android:roundIcon="@mipmap/ic_launcher"
        android:hardwareAccelerated="true"
        android:largeHeap="true"
        android:theme="@style/AppTheme"
        >
        <activity android:name=".MainActivity"
            android:label="testname"
            android:configChanges="keyboard|keyboardHidden|navigation"
            >
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>



</manifest>

Answer 1

getSupportActionBar().hide();Resolvi esse problema estranho após remover get de minha MainActivity .

Descrição da solução: descobri que quando a barra do app não foi removida do tema, os eventos do mouse no app começaram a funcionar.

Eu estava escondendo a barra de aplicativos para uma IU limpa para meu caso de uso, mas isso foi apenas um aprimoramento, então exiba a barra de aplicativos para que funcione. Espero que isso ajude se você ficar com o mesmo caso único.