Button btn_toMain2 = findViewById(R.id.btn_toMain2);
btn_toMain2.setOnClickListener(new staticMyOnClickListener(tv_hello));

static class staticMyOnClickListener implements View.OnClickListener{
    private final TextView tv_hello;

    public staticMyOnClickListener(TextView tv_hello) {
        this.tv_hello = tv_hello;
    }

    @Override
    public void onClick(View view) {
        tv_hello.setTextColor(0xFFFF0000);
    }
}

Button btn_toMain3 = findViewById(R.id.btn_toMain3);
btn_toMain3.setOnClickListener(new MyOnClickListener());

class MyOnClickListener implements View.OnClickListener{
    @Override
    public void onClick(View view) {
        // 可以直接訪問(wèn)Activity成員
        tv_hello.setTextColor(0xFFFF0000);
    }
}

public class MainActivity extends AppCompatActivity implements View.OnClickListener {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        Button btn_toMain5 = findViewById(R.id.btn_toMain5);
        btn_toMain5.setOnClickListener(this);
    }

???????    @Override
    public void onClick(View view) {
        if(view.getId() == R.id.btn_toMain5){
            Intent intent = new Intent();
            intent.setClass(this, MainActivity5.class);
            startActivity(intent);
        }
    }
}

button.setOnClickListener(v -> {
    // 處理點(diǎn)擊
});

Button myButton = findViewById(R.id.my_button);

// 點(diǎn)擊事件
myButton.setOnClickListener(v -> {
    if (!isLongPress) { // 添加標(biāo)志位判斷
        Log.d("ButtonEvent", "正常點(diǎn)擊事件觸發(fā)");
        // 點(diǎn)擊事件處理邏輯
    }
});

// 長(zhǎng)按事件
myButton.setOnLongClickListener(v -> {
    Log.d("ButtonEvent", "長(zhǎng)按事件觸發(fā)");
    isLongPress = true;
    // 長(zhǎng)按事件處理邏輯
    
    // 延遲重置標(biāo)志位
    new Handler().postDelayed(() -> isLongPress = false, 300);
    return true; // 必須返回true表示消費(fèi)事件
});

// 類成員變量
private boolean isLongPress = false;

private long lastEventTime;

myButton.setOnTouchListener((v, event) -> {
    switch (event.getAction()) {
        case MotionEvent.ACTION_DOWN:
            lastEventTime = System.currentTimeMillis();
            break;
        case MotionEvent.ACTION_UP:
            if (System.currentTimeMillis() - lastEventTime < 500) {
                Log.d("ButtonEvent", "點(diǎn)擊事件");
            }
            break;
    }
    return false;
});

myButton.setOnLongClickListener(v -> {
    Log.d("ButtonEvent", "長(zhǎng)按事件");
    return true;
});

class MyGestureListener extends GestureDetector.SimpleOnGestureListener {
    @Override
    public boolean onSingleTapConfirmed(MotionEvent e) {
        Log.d("ButtonEvent", "點(diǎn)擊事件");
        return true;
    }

    @Override
    public void onLongPress(MotionEvent e) {
        Log.d("ButtonEvent", "長(zhǎng)按事件");
    }
}

// 在Activity中：
GestureDetector gestureDetector = new GestureDetector(this, new MyGestureListener());

myButton.setOnTouchListener((v, event) -> {
    gestureDetector.onTouchEvent(event);
    return true;
});

// 禁用按鈕
myButton.setEnabled(false); 

// 啟用按鈕
myButton.setEnabled(true);

// 檢查按鈕狀態(tài)
boolean isEnabled = myButton.isEnabled();

<!-- res/drawable/button_state.xml -->
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_enabled="false" android:drawable="@drawable/btn_disabled" />
    <item android:state_enabled="true" android:drawable="@drawable/btn_enabled" />
</selector>

// 應(yīng)用狀態(tài)drawable
myButton.setBackgroundResource(R.drawable.button_state);

// 同時(shí)改變文字顏色
myButton.setTextColor(getResources().getColorStateList(R.color.button_text_color));

myButton.setEnabled(false);
myButton.setAlpha(0.5f); // 半透明效果

myButton.setEnabled(true);
myButton.setAlpha(1.0f); // 恢復(fù)不透明

public class ButtonStateManager {
    public static void disableButton(Button button) {
        button.setEnabled(false);
        button.setAlpha(0.5f);
        button.setTextColor(Color.GRAY);
    }
    
    public static void enableButton(Button button) {
        button.setEnabled(true);
        button.setAlpha(1.0f);
        button.setTextColor(Color.BLACK);
    }
}

// 使用示例
ButtonStateManager.disableButton(myButton);

<Button
    android:enabled="@{viewModel.isButtonEnabled}"
    android:onClick="@{() -> viewModel.onButtonClick()}"
    android:backgroundTint="@{viewModel.isButtonEnabled ? @color/active : @color/inactive}" />

if (!myButton.isEnabled()) {
    myButton.setTooltipText("請(qǐng)先完成上一步操作");
}