[英]How to add Home button using Card View Button in Android Studio
這是我的布局,我想通過單擊移動到主頁。
[添加照片] eKv.png
我的主頁按鈕卡片查看代碼在這里
<androidx.cardview.widget.CardView
android:id="@+id/cv_home"
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_marginLeft="10dp"
android:layout_marginTop="10dp"
app:cardCornerRadius="50dp">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#000000"
android:gravity="center"
android:orientation="vertical">
<ImageView
android:id="@+id/iv_home"
android:layout_width="40dp"
android:layout_height="40dp"
android:src="@drawable/home" />
</LinearLayout>
</androidx.cardview.widget.CardView>
我不明白 go 到主頁是什么意思?
如果你想 go HomeActivity/MainActivity,只需在 imageButton 上設置一個監聽器,以啟動你的 home Activity
Kotlin
class MainActivity : AppCompatActivity() {
private lateinit var imageButton : ImageButton
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContentView(R.layout.activity_main)
imageButton = findViewById(R.id.iv_home)
imageButton.setOnClickListener {
val intent = Intent(this, HomeActivity::class.java)
startActivity(intent)
finish()
}
}
}
Java
public class MainActivity extends AppCompatActivity {
private ImageButton imageButton;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
imageButton = findViewById(R.id.iv_home);
imageButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(MainActivity.this, HomeActivity.class);
startActivity(intent);
finish();
}
});
}
}
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