Saya menginginkan solusi yang sangat sederhana yang fleksibel (itulah sebabnya saya menggunakan LinearLayouts). Inilah yang saya pikirkan.
https://github.com/ShalakoSnell/Wrapping_Linear_Layout
Catatan: Saya telah menyertakan metode contoh menggunakan textviews (lihat textViewArrayListForExample ()) XML hanyalah tampilan induk LinearLayout dengan id dan orientasi vertikal, tidak ada lagi yang diperlukan. Untuk menggunakan: berikan larik tampilan yang dibungkus dalam LinearLayouts, bersama dengan tampilan induk dan konteksnya. (lihat viewAdapterArrayList (ArrayList textViews))
Meneruskan sebuah array LinearLayouts adalah yang membuat pendekatan ini begitu fleksibel, karena memungkinkan Anda untuk menambahkan jenis tampilan yang berbeda. Jadi di LinearLayout pertama Anda bisa memiliki teks dan di kedua Anda bisa memiliki gambar lalu di tombol ketiga dan seterusnya ...
Contoh potret Contoh
lanskap margin 50dp di verticalLinearLayout
(maaf saya belum bisa menambahkan gambar ... lihat tautannya .
MainActivity.java
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
new WrappingLinearLayout(
viewAdapterArrayList(textViewArrayListForExample()),
(LinearLayout) findViewById(R.id.verticalLinearLayout),
this);
}
activity_main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/verticalLinearLayout"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
</LinearLayout>
WrappingLinearLayout.Java
package com.example.wrapping_linear_layout;
import android.content.Context;
import android.widget.LinearLayout;
import org.jetbrains.annotations.NotNull;
import java.util.ArrayList;
public class WrappingLinearLayout {
public WrappingLinearLayout(@NotNull final ArrayList<LinearLayout> views, @NotNull final LinearLayout verticalLinearLayout, @NotNull final Context context) {
verticalLinearLayout.post(new Runnable() {
@Override
public void run() {
execute(views, verticalLinearLayout, context);
}
});
}
private void execute(@NotNull ArrayList<LinearLayout> views, @NotNull final LinearLayout verticalLinearLayout, @NotNull final Context context) {
ArrayList<LinearLayout> horizontalLinearLayouts = new ArrayList<>();
LinearLayout horizontalLinearLayout = new LinearLayout(context);
horizontalLinearLayouts.add(horizontalLinearLayout);
int verticalLinearLayoutWidth = verticalLinearLayout.getMeasuredWidth()
- (verticalLinearLayout.getPaddingLeft()
+ verticalLinearLayout.getPaddingRight());
int totalWidthOfViews = 0;
for (LinearLayout view : views) {
view.measure(0, 0);
int currentViewWidth = view.getMeasuredWidth();
if (totalWidthOfViews + view.getMeasuredWidth() > verticalLinearLayoutWidth) {
horizontalLinearLayout = new LinearLayout(context);
horizontalLinearLayouts.add(horizontalLinearLayout);
totalWidthOfViews = 0;
}
totalWidthOfViews += currentViewWidth;
horizontalLinearLayout.addView(view);
}
for (LinearLayout linearLayout : horizontalLinearLayouts) {
verticalLinearLayout.addView(linearLayout);
}
}
}
Kode tambahan untuk contoh kasus penggunaan:
private ArrayList<LinearLayout> viewAdapterArrayList(ArrayList<TextView> textViews) {
ArrayList<LinearLayout> views = new ArrayList<>();
for (TextView textView : textViews) {
LinearLayout linearLayout = new LinearLayout(this);
linearLayout.addView(textView);
views.add(linearLayout);
}
return views;
}
private ArrayList<TextView> textViewArrayListForExample() {
ArrayList<TextView> textViews = new ArrayList<>();
LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.WRAP_CONTENT,
ViewGroup.LayoutParams.WRAP_CONTENT
);
for (int i = 0; i < 40; i++) {
TextView textView = new TextView(this);
textView.setText("View " + i + " |");
if (i < 20) {
if (i % 5 == 0) {
textView.setText("View longer view " + i + " |");
} else if (i % 7 == 0) {
textView.setText("View different length view " + i + " |");
} else if (i % 9 == 0) {
textView.setText("View very long view that is so long it's really long " + i + " |");
}
}
textView.setMaxLines(1);
textView.setBackground(new ColorDrawable(Color.BLUE));
textView.setTextColor(Color.WHITE);
textView.setLayoutParams(layoutParams);
textView.setPadding(20, 2, 20, 2);
layoutParams.setMargins(10, 2, 10, 2);
textViews.add(textView);
}
return textViews;
}
}
