Android 中按钮内的文本左对齐

Android 中按钮内的文本左对齐

java
// MainActivity.java
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
    private Button customButton;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        customButton = findViewById(R.id.custom_button);
        customButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                // 处理按钮点击事件
                Toast.makeText(MainActivity.this, "按钮被点击了", Toast.LENGTH_SHORT).show();
            }
        });
    }
}

xml
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:gravity="center"
    tools:context=".MainActivity">
            android:id="@+id/custom_button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="@drawable/custom_button"
        android:text="自定义按钮" />

xml
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="horizontal">
            android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:gravity="left"
        android:textColor="@android:color/white"
        android:textSize="16sp" />