Floating action button 我一直在我的可穿戴应用程序中发现一个充气异常错误

所以我不知道为什么它不起作用。我的应用程序适用于可穿戴设备这可能是问题所在吗

总之，以下是我的活动和xml布局：

    implementation 'com.google.android.material:material:1.2.1'

    package com.example.ticwatch_1;

import android.os.Bundle;
import android.support.wearable.activity.WearableActivity;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.TextView;
import android.widget.Toast;

import androidx.fragment.app.FragmentActivity;
import androidx.fragment.app.FragmentManager;
import androidx.wear.ambient.AmbientModeSupport;
import androidx.wear.widget.drawer.WearableActionDrawerView;
import androidx.wear.widget.drawer.WearableDrawerLayout;
import androidx.wear.widget.drawer.WearableNavigationDrawerView;

import com.google.android.material.floatingactionbutton.FloatingActionButton;

public class floating_action_button extends FragmentActivity
        implements AmbientModeSupport.AmbientCallbackProvider {

    private TextView mTextView;
    /////////////////////////////////////////////////////////
    private FloatingActionButton openbtn,tools,keys,modes;
    private Boolean clicked = false;
    ////////////////////////////////////////////////////////
    Animation rotateOpen,rotateClose,fromBottom, toBottom;



    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_floating_action_button);

        mTextView = (TextView) findViewById(R.id.text);
        openbtn = (FloatingActionButton)findViewById(R.id.floatingActionButton);
        tools = (FloatingActionButton)findViewById(R.id.Tools);
        keys = (FloatingActionButton)findViewById(R.id.Keys);
        modes = (FloatingActionButton)findViewById(R.id.Modes);
        /////////////////////////////////////////////////////////////

        rotateOpen = AnimationUtils.loadAnimation(floating_action_button.this,R.anim.rotate_open_anim);
        rotateClose= AnimationUtils.loadAnimation(floating_action_button.this,R.anim.rotate_close_anime);
        fromBottom = AnimationUtils.loadAnimation(floating_action_button.this,R.anim.from_bottom);
        toBottom = AnimationUtils.loadAnimation(floating_action_button.this,R.anim.to_bottom);

        openbtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                onFloatButtonClicked();
            }
        });
        tools.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(floating_action_button.this, "tools", Toast.LENGTH_SHORT).show();
            }
        });
        modes.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(floating_action_button.this, "modes", Toast.LENGTH_SHORT).show();
            }
        });
        keys.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(floating_action_button.this, "keys", Toast.LENGTH_SHORT).show();
            }
        });



    }

    @Override
    public AmbientModeSupport.AmbientCallback getAmbientCallback() {
        return null;
    }
    private void onFloatButtonClicked()
    {
        setVisibility(clicked);
        setAnimations(clicked);
        clicked = !clicked;
    }
    private void setVisibility(Boolean clicked)
    {
        if(!clicked)
        {
            tools.setVisibility(View.VISIBLE);
            modes.setVisibility(View.VISIBLE);
            keys.setVisibility(View.VISIBLE);
        }
        else
        {
            tools.setVisibility(View.INVISIBLE);
            modes.setVisibility(View.INVISIBLE);
            keys.setVisibility(View.INVISIBLE);
        }
    }
    private void setAnimations(Boolean clicked)
    {
        if(!clicked)
        {
            openbtn.startAnimation(rotateOpen);
            tools.startAnimation(fromBottom);
            modes.startAnimation(fromBottom);
            keys.startAnimation(fromBottom);
        }
        else
        {
            openbtn.startAnimation(rotateClose);
            tools.startAnimation(toBottom);
            modes.startAnimation(toBottom);
            keys.startAnimation(toBottom);
        }
    }
}

这是xml布局：

    implementation 'com.google.android.material:material:1.2.1'

    package com.example.ticwatch_1;

import android.os.Bundle;
import android.support.wearable.activity.WearableActivity;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.TextView;
import android.widget.Toast;

import androidx.fragment.app.FragmentActivity;
import androidx.fragment.app.FragmentManager;
import androidx.wear.ambient.AmbientModeSupport;
import androidx.wear.widget.drawer.WearableActionDrawerView;
import androidx.wear.widget.drawer.WearableDrawerLayout;
import androidx.wear.widget.drawer.WearableNavigationDrawerView;

import com.google.android.material.floatingactionbutton.FloatingActionButton;

public class floating_action_button extends FragmentActivity
        implements AmbientModeSupport.AmbientCallbackProvider {

    private TextView mTextView;
    /////////////////////////////////////////////////////////
    private FloatingActionButton openbtn,tools,keys,modes;
    private Boolean clicked = false;
    ////////////////////////////////////////////////////////
    Animation rotateOpen,rotateClose,fromBottom, toBottom;



    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_floating_action_button);

        mTextView = (TextView) findViewById(R.id.text);
        openbtn = (FloatingActionButton)findViewById(R.id.floatingActionButton);
        tools = (FloatingActionButton)findViewById(R.id.Tools);
        keys = (FloatingActionButton)findViewById(R.id.Keys);
        modes = (FloatingActionButton)findViewById(R.id.Modes);
        /////////////////////////////////////////////////////////////

        rotateOpen = AnimationUtils.loadAnimation(floating_action_button.this,R.anim.rotate_open_anim);
        rotateClose= AnimationUtils.loadAnimation(floating_action_button.this,R.anim.rotate_close_anime);
        fromBottom = AnimationUtils.loadAnimation(floating_action_button.this,R.anim.from_bottom);
        toBottom = AnimationUtils.loadAnimation(floating_action_button.this,R.anim.to_bottom);

        openbtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                onFloatButtonClicked();
            }
        });
        tools.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(floating_action_button.this, "tools", Toast.LENGTH_SHORT).show();
            }
        });
        modes.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(floating_action_button.this, "modes", Toast.LENGTH_SHORT).show();
            }
        });
        keys.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Toast.makeText(floating_action_button.this, "keys", Toast.LENGTH_SHORT).show();
            }
        });



    }

    @Override
    public AmbientModeSupport.AmbientCallback getAmbientCallback() {
        return null;
    }
    private void onFloatButtonClicked()
    {
        setVisibility(clicked);
        setAnimations(clicked);
        clicked = !clicked;
    }
    private void setVisibility(Boolean clicked)
    {
        if(!clicked)
        {
            tools.setVisibility(View.VISIBLE);
            modes.setVisibility(View.VISIBLE);
            keys.setVisibility(View.VISIBLE);
        }
        else
        {
            tools.setVisibility(View.INVISIBLE);
            modes.setVisibility(View.INVISIBLE);
            keys.setVisibility(View.INVISIBLE);
        }
    }
    private void setAnimations(Boolean clicked)
    {
        if(!clicked)
        {
            openbtn.startAnimation(rotateOpen);
            tools.startAnimation(fromBottom);
            modes.startAnimation(fromBottom);
            keys.startAnimation(fromBottom);
        }
        else
        {
            openbtn.startAnimation(rotateClose);
            tools.startAnimation(toBottom);
            modes.startAnimation(toBottom);
            keys.startAnimation(toBottom);
        }
    }
}