利用AlertDialog 接收使用者輸入資料

利用AlertDialog 接收使用者輸入資料

 

自己撰寫一個利用AlertDialog 接收使用者輸入資料範例，歡迎有興趣的同好一起來C/P一下。

 

資料來源：http://androidbiancheng.blogspot.tw/

 

package com.example.framelayout_alertdialog_edittext; import com.example.framelayout_alertdialog_edittext.MainActivity; import com.example.framelayout_alertdialog_edittext.MainActivity.ButListener; import android.os.Bundle; import android.app.Activity; import android.app.AlertDialog; import android.view.Menu; import android.widget.Button; import android.widget.TextView; /////////////////////////////////////// import android.view.View; import android.util.AttributeSet; import android.util.DisplayMetrics; import android.util.Log; import android.view.Gravity; import android.view.Window; import android.view.WindowManager; import android.widget.AbsoluteLayout; import android.widget.Button; import android.widget.FrameLayout; import android.widget.PopupWindow; import android.widget.TextView; import android.widget.VideoView; import android.view.*; import android.view.View.*; import android.widget.*; import android.view.ViewGroup.MarginLayoutParams; import android.app.ActionBar.LayoutParams; import android.content.Context; import android.content.DialogInterface; import android.graphics.drawable.BitmapDrawable; public class MainActivity extends Activity { TextView tv_main; Button bt_main; FrameLayout FrameLayout1; DisplayMetrics metrics; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ///////////////////////////////////////// requestWindowFeature(Window.FEATURE_NO_TITLE); //全螢幕設定 getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); metrics = new DisplayMetrics();//抓取螢幕大小 getWindowManager().getDefaultDisplay().getMetrics(metrics); ///////////////////////////////////////// FrameLayout1 = new FrameLayout(this); FrameLayout.LayoutParams lparam1 = new FrameLayout.LayoutParams(metrics.widthPixels,metrics.heightPixels); FrameLayout1.setLayoutParams(lparam1); this.setContentView(FrameLayout1); //////////////////////////////////////// tv_main=new TextView(this); tv_main.setText(""); tv_main.setWidth(metrics.widthPixels/2); tv_main.setHeight(metrics.heightPixels/2); FrameLayout.LayoutParams layoutParams0 = new FrameLayout.LayoutParams(metrics.widthPixels/2, metrics.heightPixels/2); layoutParams0.gravity = Gravity.LEFT|Gravity.TOP; layoutParams0.leftMargin = 0; layoutParams0.topMargin = 0; tv_main.setLayoutParams(layoutParams0); FrameLayout1.addView(tv_main); bt_main=new Button(this); bt_main.setText("Run PopupWindow"); bt_main.setWidth(metrics.widthPixels/2); bt_main.setHeight(metrics.heightPixels/2); bt_main.setOnClickListener(new ButListener()); FrameLayout.LayoutParams layoutParams1 = new FrameLayout.LayoutParams(metrics.widthPixels/2, metrics.heightPixels/2); layoutParams1.gravity = Gravity.LEFT|Gravity.TOP; layoutParams1.leftMargin = metrics.widthPixels/2; layoutParams1.topMargin = 0; bt_main.setLayoutParams(layoutParams1); FrameLayout1.addView(bt_main); //////////////////////////////////////////// } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } class ButListener implements OnClickListener { public void onClick(View v) { if(v==bt_main) { tv_main.setText("Create/Open AlertDialog..."); AlertDialog.Builder editDialog; final EditText editText; editText= new EditText(MainActivity.this); editDialog = new AlertDialog.Builder(MainActivity.this); editDialog.setTitle("--- Edit ---"); //final EditText editText = new EditText(MainActivity.this); editDialog.setView(editText); editDialog.setPositiveButton("OK", new DialogInterface.OnClickListener() { // do something when the button is clicked public void onClick(DialogInterface arg0, int arg1) { tv_main.setText("OK "+editText.getText().toString()); } }); editDialog.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { // do something when the button is clicked public void onClick(DialogInterface arg0, int arg1) { tv_main.setText("KO "+editText.getText().toString()); } }); editDialog.show(); } } } }