2.6.1 使用toast显示提示信息框
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_gravity="center" android:orientation="vertical" > <Button android:id="@+id/btn1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center" android:text="普通toast" /> <Button android:id="@+id/btn2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center_horizontal" android:text="带image的toast"> </Button> </LinearLayout>
package com.moon.hello2; import java.util.ArrayList; import java.util.Calendar; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.zip.Inflater; import android.R.anim; import android.R.bool; import android.R.integer; import android.animation.AnimatorSet.Builder; import android.app.Activity; import android.app.AlertDialog; import android.app.DatePickerDialog; import android.app.DatePickerDialog.OnDateSetListener; import android.app.ProgressDialog; import android.app.TimePickerDialog.OnTimeSetListener; import android.app.Dialog; import android.app.TimePickerDialog; import android.content.DialogInterface; import android.content.res.TypedArray; import android.database.DataSetObserver; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.view.Gravity; import android.view.Menu; import android.view.View; import android.view.ViewGroup; import android.view.View.OnClickListener; import android.view.ViewGroup.LayoutParams; import android.view.animation.AnimationUtils; import android.widget.AbsListView; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.AdapterView.OnItemSelectedListener; import android.widget.ArrayAdapter; import android.widget.AutoCompleteTextView; import android.widget.BaseAdapter; import android.widget.Button; import android.widget.DatePicker; import android.widget.ExpandableListAdapter; import android.widget.ExpandableListView; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.ListView; import android.widget.PopupWindow; import android.widget.ProgressBar; import android.widget.RatingBar; import android.widget.SimpleAdapter; import android.widget.TableLayout; import android.widget.Toast; import android.widget.RatingBar.OnRatingBarChangeListener; import android.widget.SeekBar; import android.widget.DatePicker.OnDateChangedListener; import android.widget.SeekBar.OnSeekBarChangeListener; import android.widget.TabHost; import android.widget.TextView; import android.widget.TimePicker; import android.widget.TimePicker.OnTimeChangedListener; import android.widget.ViewSwitcher.ViewFactory; public class MainActivity extends Activity { private ProgressDialog progressDialog = null; private int progress = 0; private Handler handler = null; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); this.setContentView(R.layout.activity_main); findViewById(R.id.btn1).setOnClickListener(new OnClickListener() { @Override public void onClick(View arg0) { // TODO Auto-generated method stub MainActivity.this.getNormalToast().show(); } }); findViewById(R.id.btn2).setOnClickListener(new OnClickListener() { @Override public void onClick(View arg0) { // TODO Auto-generated method stub MainActivity.this.getSpecialToast().show(); } }); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.main, menu); return true; } private Toast getNormalToast() { return Toast.makeText(this, "这是一个简单的toast", Toast.LENGTH_SHORT); } private Toast getSpecialToast(){ Toast toast = Toast.makeText(this, "这是一个带图片的toast", Toast.LENGTH_SHORT); LinearLayout layout = new LinearLayout(this); ImageView imageView = new ImageView(this); imageView.setImageResource(R.drawable.ic_launcher); View toastView = toast.getView(); layout.addView(imageView); layout.addView(toastView); toast.setView(layout); return toast; } }
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