フラグメントを使わない単純な AlertDialog で、テキスト入力を行い本来の処理にオプションを与えます。フラグメントを使わないので、デバイスを回転すると閉じますが、そういう前提で使えば特に問題はありません。
AlertDialog.Builder
先頭のパッケージ宣言を省いています
import android.content.DialogInterface;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.EditText;
public class MainActivity extends AppCompatActivity {
private EditText editText;
private AlertDialog.Builder builder;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
public void buttonClick(View view) {
editText = new EditText(MainActivity.this);
builder = new AlertDialog.Builder(MainActivity.this);
builder.setIcon(android.R.drawable.ic_dialog_info);
builder.setTitle("EditText");
builder.setView(editText);
builder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
String text = editText.getText().toString();
Log.i("lightbox", text);
}
});
builder.setNegativeButton("キャンセル", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
}
});
builder.show();
}
}
<?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:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".MainActivity">
<Button
android:id="@+id/button"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:onClick="buttonClick"
android:text="Button" />
</LinearLayout>
buttonClick から AlertDialog
private EditText editText;
private AlertDialog.Builder builder;
public void buttonClick(View view) {
editText = new EditText(MainActivity.this);
builder = new AlertDialog.Builder(MainActivity.this);
builder.setIcon(android.R.drawable.ic_dialog_info);
builder.setTitle("EditText");
builder.setView(editText);
builder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
String text = editText.getText().toString();
Log.i("lightbox", text);
}
});
builder.setNegativeButton("キャンセル", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
}
});
builder.show();
}
posted by
at 2017-05-29 13:14
|
Comment(0)
|
テンプレート
|

|