⑴ android app數據監測用什麼軟體有嗎
android app數據監測可以用極光。公司極光自成立以來專注於為app開發者提供穩定高效的消息推送、豐富數據檢測,統計分析、即時通訊、社會化分享組件和簡訊等開發者服務。⑵ android婧愮爜閲屽摢浜涘湴鏂圭敤鍒頒簡瑙傚療鑰呮ā寮
1. Subject琚瑙傚療鑰呫傛槸涓涓鎺ュ彛鎴栬呮槸鎶借薄綾伙紝瀹氫箟琚瑙傚療鑰呭繀欏誨疄鐜扮殑鑱岃矗錛屽畠蹇呴』鑳藉伓鍔ㄦ佸湴澧炲姞銆佸彇娑堣傚療鑰咃紝綆$悊瑙傚療鑰呭苟閫氱煡瑙傚療鑰呫
2. Observer瑙傚療鑰呫傝傚療鑰呮帴鏀跺埌娑堟伅鍚庯紝鍗寵繘琛寀pdate鏇存柊鎿嶄綔錛屽規帴鏀跺埌鐨勪俊鎮榪涜屽勭悊銆
3. ConcreteSubject鍏蜂綋鐨勮瑙傚療鑰呫傚畾涔夎瑙傚療鑰呰嚜宸辯殑涓氬姟閫昏緫錛屽悓鏃跺畾涔夊瑰摢浜涗簨浠惰繘琛岄氱煡銆
4. ConcreteObserver鍏蜂綋瑙傚療鑰呫傛瘡涓瑙傚療鑰呭湪鎺ユ敹鍒頒俊鎮鍚庡勭悊鐨勬柟寮忎笉鍚岋紝鍚勪釜瑙傚療鑰呮湁鑷宸辯殑澶勭悊閫昏緫銆
瑙傚療鑰呮ā寮忔湁浠涔堜紭鐐瑰憿錛
瑙傚療鑰呭拰琚瑙傚療鑰呬箣闂存槸鎶借薄鑰﹀悎鐨勶紝涓嶇℃槸澧炲姞瑙傚療鑰呰繕鏄琚瑙傚療鑰呴兘闈炲父瀹規槗鎵╁睍銆
鏍規嵁鍗曚竴鑱岃矗鍘熷垯錛屾瘡涓綾葷殑鑱岃矗鏄鍗曚竴鐨勶紝閭d箞鎬庝箞鎶婂悇涓鍗曚竴鐨勮亴璐d覆鑱旀垚鐪熷疄鐨勫嶆潅鐨勯昏緫鍏崇郴鍛錛岃傚療鑰呮ā寮忓彲浠ヨ搗鍒版ˉ姊佷綔鐢ㄣ
瑙傚療鑰呮ā寮忔槸鏉捐﹀悎鐨勫吀鍨嬨
鍦ˋndroid婧愮爜涓錛屽叾涓涓涓緇忓吀鐨勪嬌鐢ㄥ埌瑙傚療鑰呮ā寮忕殑灝辨槸Android鎺т歡鐨勪簨浠剁洃鍚妯″瀷銆
⑶ Android 開發中常用到的設計模式有哪些
設計模式總共是23種,常用的有下面幾種 :
1 單例模式,application 就是單例 可以存儲一些數據例如記錄activity的啟動數量 ;
2 觀察者模式: button的onClickListener ,監聽button的響應;
3 適配器模式 :例如recyclerView 的adapter ;
4 命令模式: 例如開源庫eventBus ,把數據封裝好 發送出去,然後接收; 等等等等,很多
⑷ android鍐呭硅傚療鑰呮湁鍝浜
鎷︽埅鐭淇★紝姣斿傚綋鍙戠煭淇$殑鏃跺欙紝灝辨妸鐭淇¤誨彇鍑烘潵錛屽綋緋葷粺鐨勭煭淇″彂鐢熷彉鍖栫殑鏃跺欙紝澶у彨涓澹幫紝鎶婃暟鎹鍙戦佸埌鍏鍏辯殑娑堟伅閭綆遍噷闈錛屾垜浠鐨勫簲鐢ㄩ氳繃鍐呭硅傚療鑰呰傚療鍏鍏辯殑娑堟伅閭綆
鑾峰彇ContentResolver瀵硅薄錛岃皟鐢ㄥ嚱鏁癵etContentResolver()錛
璋冪敤ContentResolver瀵硅薄鐨
registerContentObserver(uri,notifyForDescendents,observer)鏂規硶錛屽弬鏁幫細Uri瀵硅薄錛屾槸鍚
綺劇『uri錛坱rue涓嶇簿紜錛宖alse綺劇『錛夛紝observer瀵硅薄 ContentObserver瀵硅薄
鍥犱負ContentObserver鏄鎶借薄綾伙紝鍥犳ゆ垜浠鍐欎竴涓鍐呴儴綾繪潵緇ф壙榪欎釜鎶借薄綾伙紝蹇呴』瀹炵幇鏋勯犲嚱鏁幫紝鏋勯犲嚱鏁扮殑Handler瀵硅薄娑堟伅澶勭悊鍣
紼嶅悗浼氳詫紝瀹氫箟涓涓鍐呴儴綾籑yObserver錛屽疄鐜扮埗綾葷殑onChange()鍥炶皟鏂規硶錛岃傚療鍒版秷鎮閭綆卞彂鐢熷彉鍖栫殑鏃跺欎細鍥炶皟榪欎釜鏂規硶銆
鍦ㄨ繖涓鍥炶皟鍑芥暟閲岄潰錛屼嬌鐢ㄨ幏鍙栧埌鐭淇″唴瀹癸紝鍙栨渶鍚庝竴鏉★紝璋冪敤Cursor瀵硅薄鐨刴oveToFirst()鎸囬拡鎸囧悜鏈鍚庝竴鏉
緋葷粺搴旂敤鏄濡備綍鍙戝嚭榪欎釜鍙澹扮殑鍛錛岃幏鍙朇ontentResolver瀵硅薄錛岄氳繃getContentResolver()鏂規硶錛岃皟鐢
ContentResolver瀵硅薄鐨刵otifyChange(uri,observer)鏂規硶錛屽弬鏁幫細uri闅忎究瀹氫箟錛宱bserver鎸囧畾璋佸勭悊榛
璁null
緋葷粺鐨勫緢澶氬簲鐢ㄨ繘琛岄氱煡閫氫俊閮芥槸閫氳繃榪欎釜鍏鍏辨秷鎮閭綆辨満鍒舵潵瀹炵幇鐨
鎺ヤ笅鏉ュ疄鎴樹竴涓嬶紝鎺ョ潃銆夾ndroid 鍐呭規彁渚涜呯殑瀹炵幇銆嬩腑浣跨敤鐨勯」鐩浣滀負鍩虹錛屾柊寤轟竴涓欏圭洰錛屽苟娣誨姞浠g爜濡備笅錛
package com.wuyudong.observer;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.app.Activity;
import android.content.ContentResolver;
import android.content.Context;
import android.database.ContentObserver;
import android.view.Menu;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Uri uri = Uri.parse("content://com.wuyudong.db.personprovider/");
getContentResolver().registerContentObserver(uri, true,
new MyObserver(new Handler()));
}
private class MyObserver extends ContentObserver {
public MyObserver(Handler handler) { // handler 鏄涓涓娑堟伅澶勭悊鍣
super(handler);
}
@Override
public void onChange(boolean selfChange) {
// TODO Auto-generated method stub
System.out.println("haha,鏁版嵁搴撶殑鍐呭瑰彉鍖栦簡錛侊紒錛");
super.onChange(selfChange);
}
}
}
騫朵慨鏀筆ersonDBProvider.java涓鐨勪唬鐮侊細
public Uri insert(Uri uri, ContentValues values) {
if (matcher.match(uri) == INSERT) {
// 榪斿洖鏌ヨ㈢殑緇撴灉闆
SQLiteDatabase db = helper.getWritableDatabase();
db.insert("person", null, values);
getContext().getContentResolver().notifyChange(uri, null);
} else {
throw new IllegalArgumentException("璺寰勪笉鍖歸厤錛屼笉鑳芥墽琛屾彃鍏ユ搷浣");
}
return null;
}
@Override
public int delete(Uri uri, String selection, String[] selectionArgs) {
if (matcher.match(uri) == DELETE) {
// 榪斿洖鏌ヨ㈢殑緇撴灉闆
SQLiteDatabase db = helper.getWritableDatabase();
int result = db.delete("person", selection, selectionArgs);
db.close();
if (result > 0) {
getContext().getContentResolver().notifyChange(uri, null);
}
} else {
throw new IllegalArgumentException("璺寰勪笉鍖歸厤錛屼笉鑳芥墽琛屽垹闄ゆ搷浣");
}
return 0;
}
榪欐牱鍦ㄦ瘡嬈$偣鍑繪寜閽鐨勬椂鍊欙紝閮戒細鎵撳嵃鐩稿叧鏁版嵁搴撴暟鎹琚淇鏀圭殑鎻愮ず