android基本组件01

 

 

 

从现在起，我会把自己在学习过程中写的代码传上，还有一些笔记，希望大家多提意见，共同进步，谢谢。

由于代码太多，所以分几篇文章发。

在代码注释方面，以后有时间会增加。

//ActivityUI.java

package android.ActivityUI;import android.app.Activity;import android.content.Intent;import android.os.Bundle;import android.view.View;import android.widget.Button;public class ActivityUI extends Activity {    /** Called when the activity is first created. */    @Override    public void onCreate(Bundle savedInstanceState){        super.onCreate(savedInstanceState);        setContentView(R.layout.main);                Button button_textview = (Button)findViewById(R.id.button_textview);        button_textview.setOnClickListener(new Button.OnClickListener(){        public void onClick(View v){        Intent intent_textview = new Intent();        intent_textview.setClass(ActivityUI.this, ActivityTextview.class);        startActivity(intent_textview);                }        });               Button button_edit_text = (Button)findViewById(R.id.button_edit_text);        button_edit_text.setOnClickListener(new Button.OnClickListener(){        public void onClick(View v){        Intent intent_edittext = new Intent();        intent_edittext.setClass(ActivityUI.this, ActivityEditText.class);        startActivity(intent_edittext);        }        });                Button button_check_box = (Button)findViewById(R.id.button_check_box);        button_check_box.setOnClickListener(new Button.OnClickListener(){        public void onClick(View v){        Intent intent_checkbox = new Intent();        intent_checkbox.setClass(ActivityUI.this,ActivityCheckBox.class);        startActivity(intent_checkbox);        }        });                Button button_radiogroup = (Button)findViewById(R.id.button_radiogroup);        button_radiogroup.setOnClickListener(new Button.OnClickListener(){        public void onClick(View v){        Intent intent_radiogroup = new Intent();        intent_radiogroup.setClass(ActivityUI.this,ActivityRadioGroup.class);        startActivity(intent_radiogroup);        }        });                Button button_spinner = (Button)findViewById(R.id.button_spinner);        button_spinner.setOnClickListener(new Button.OnClickListener(){        public void onClick(View v){        Intent intent_spinner = new Intent();        intent_spinner.setClass(ActivityUI.this,ActivitySpinner.class);        startActivity(intent_spinner);        }        });                Button button_auto_complete = (Button)findViewById(R.id.button_auto_complete);        button_auto_complete.setOnClickListener(new Button.OnClickListener(){        public void onClick(View v){        Intent intent_auto_complete = new Intent();        intent_auto_complete.setClass(ActivityUI.this,ActivityAutoCompleteTextView.class);        startActivity(intent_auto_complete);        }        });             Button button_date_picker = (Button)findViewById(R.id.button_date_picker);        button_date_picker.setOnClickListener(new Button.OnClickListener(){        public void onClick(View v){        Intent intent_date_picker = new Intent();        intent_date_picker.setClass(ActivityUI.this,ActivityDatePicker.class);        startActivity(intent_date_picker);        }        });                Button button_time_picker = (Button)findViewById(R.id.button_time_picker);        button_time_picker.setOnClickListener(new Button.OnClickListener(){        public void onClick(View v){        Intent intent_time_picker = new Intent();        intent_time_picker.setClass(ActivityUI.this,ActivityTimePicker.class);        startActivity(intent_time_picker);        }        });                        Button button_progress_bar = (Button)findViewById(R.id.button_progress_bar);        button_progress_bar.setOnClickListener(new Button.OnClickListener(){        public void onClick(View v){        Intent intent_progress_bar = new Intent();        intent_progress_bar.setClass(ActivityUI.this,ActivityProgressBar.class);        startActivity(intent_progress_bar);        }        });                Button button_seek_bar = (Button)findViewById(R.id.button_seek_bar);        button_seek_bar.setOnClickListener(new Button.OnClickListener(){        public void onClick(View v){        Intent intent_seek_bar = new Intent();        intent_seek_bar.setClass(ActivityUI.this,ActivitySeekBar.class);        startActivity(intent_seek_bar);        }        });                Button button_rating_bar = (Button)findViewById(R.id.button_rating_bar);        button_rating_bar.setOnClickListener(new Button.OnClickListener(){        public void onClick(View v){        Intent intent_rating_bar = new Intent();        intent_rating_bar.setClass(ActivityUI.this,ActivityRatingBar.class);        startActivity(intent_rating_bar);        }        });                Button button_image_view = (Button)findViewById(R.id.button_image_view);        button_image_view.setOnClickListener(new Button.OnClickListener(){        public void onClick(View v){        Intent intent_image_view = new Intent();        intent_image_view.setClass(ActivityUI.this,ActivityImageView.class);        startActivity(intent_image_view);        }        });                        Button button_image_button = (Button)findViewById(R.id.button_image_button);        button_image_button.setOnClickListener(new Button.OnClickListener(){        public void onClick(View v){        Intent intent_image_button = new Intent();        intent_image_button.setClass(ActivityUI.this,ActivityImageButton.class);        startActivity(intent_image_button);        }        });                Button button_image_switcher = (Button)findViewById(R.id.button_image_switcher);        button_image_switcher.setOnClickListener(new Button.OnClickListener(){        public void onClick(View v){        Intent intent_image_switcher = new Intent();        intent_image_switcher.setClass(ActivityUI.this,ActivityImageSwitcher.class);        startActivity(intent_image_switcher);        }        });                Button button_grid_view = (Button)findViewById(R.id.button_gridview);        button_grid_view.setOnClickListener(new Button.OnClickListener(){        public void onClick(View v){        Intent intent_grid_view = new Intent();        intent_grid_view.setClass(ActivityUI.this,ActivityGridView.class);        startActivity(intent_grid_view);        }        });                Button button_menu = (Button)findViewById(R.id.button_menu);        button_menu.setOnClickListener(new Button.OnClickListener(){        public void onClick(View v){        Intent intent_menu = new Intent();        intent_menu.setClass(ActivityUI.this,ActivityMenu.class);        startActivity(intent_menu);        }        });                        Button button_listview = (Button)findViewById(R.id.button_listview);        button_listview.setOnClickListener(new Button.OnClickListener(){        public void onClick(View v){        Intent intent_listview = new Intent();        intent_listview.setClass(ActivityUI.this, ActivityListview.class);        startActivity(intent_listview);        }        });            }}

//main.xml<?xml version="1.0" encoding="utf-8"?><ScrollViewxmlns:android="http://schemas.android.com/apk/res/android"android:layout_width="fill_parent"android:layout_height="wrap_content"><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:orientation="vertical"    android:layout_width="fill_parent"     android:layout_height="fill_parent" android:scrollbars="vertical"><Button android:text="Textview" android:id="@+id/button_textview" android:layout_width="wrap_content" android:layout_height="wrap_content"></Button><Button android:text="Listview" android:id="@+id/button_listview" android:layout_width="wrap_content" android:layout_height="wrap_content"></Button><Button android:text="EditText" android:id="@+id/button_edit_text" android:layout_width="wrap_content" android:layout_height="wrap_content"></Button><Button android:text="CheckBox" android:id="@+id/button_check_box" android:layout_width="wrap_content" android:layout_height="wrap_content"></Button><Button android:text="RadioGroup" android:id="@+id/button_radiogroup" android:layout_width="wrap_content" android:layout_height="wrap_content"></Button><Button android:text="Spinner" android:id="@+id/button_spinner" android:layout_width="wrap_content" android:layout_height="wrap_content"></Button><Button android:text="AutoCompleteTextView" android:id="@+id/button_auto_complete" android:layout_width="wrap_content" android:layout_height="wrap_content"></Button><Button android:text="DatePicker" android:id="@+id/button_date_picker" android:layout_width="wrap_content" android:layout_height="wrap_content"></Button><Buttonandroid:text="TimePicker"android:layout_height="wrap_content" android:id="@+id/button_time_picker" android:layout_width="wrap_content"></Button><Buttonandroid:text="ProgressBar"android:layout_height="wrap_content" android:id="@+id/button_progress_bar" android:layout_width="wrap_content"></Button><Buttonandroid:text="SeekBar"android:layout_height="wrap_content" android:id="@+id/button_seek_bar" android:layout_width="wrap_content"></Button><Buttonandroid:text="RatingBar"android:layout_height="wrap_content" android:id="@+id/button_rating_bar" android:layout_width="wrap_content"></Button><Buttonandroid:text="ImageView"android:layout_height="wrap_content" android:id="@+id/button_image_view" android:layout_width="wrap_content"></Button><Buttonandroid:text="ImageButton"android:layout_height="wrap_content" android:id="@+id/button_image_button" android:layout_width="wrap_content"></Button><Buttonandroid:text="ImageSwitcherGallery"android:layout_height="wrap_content" android:id="@+id/button_image_switcher" android:layout_width="wrap_content"></Button><Buttonandroid:text="GridView"android:id="@+id/button_gridview"android:layout_width="wrap_content"android:layout_height="wrap_content"></Button><Buttonandroid:text="Menu"android:id="@+id/button_menu"android:layout_width="wrap_content"android:layout_height="wrap_content"></Button></LinearLayout></ScrollView>

 

//AndroidManifest.xml<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"      package="android.ActivityUI"      android:versionCode="1"      android:versionName="1.0">    <application android:icon="@drawable/icon" android:label="@string/app_name">        <activity android:name=".ActivityUI"                  android:label="@string/app_name">            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>        <activity android:name=".ActivityTextview"></activity><activity android:name=".ActivityListview"></activity><activity android:name=".ActivityEditText"></activity><activity android:name=".ActivityCheckBox"></activity><activity android:name=".ActivityRadioGroup"></activity><activity android:name=".ActivitySpinner"></activity><activity android:name=".ActivityAutoCompleteTextView"></activity><activity android:name=".ActivityDatePicker"></activity><activity android:name=".ActivityTimePicker"></activity><activity android:name=".ActivityProgressBar"></activity><activity android:name=".ActivitySeekBar"></activity><activity android:name=".ActivityRatingBar"></activity><activity android:name=".ActivityImageView"></activity><activity android:name=".ActivityImageButton"></activity><activity android:name=".ActivityImageSwitcher"></activity><activity android:name=".ActivityGridView"></activity><activity android:name=".ActivityMenu"></activity><activity android:name=".ActivityAbout"></activity>    </application></manifest>