Java tutorial
/*Copyright 2015 TommyLemon(https://github.com/TommyLemon) Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.*/ package zuo.biao.library.base; import android.app.ProgressDialog; import android.content.Intent; import android.os.Bundle; import android.os.Handler; import android.os.HandlerThread; import android.support.v4.app.FragmentActivity; import android.support.v4.app.FragmentManager; import android.util.Log; import android.view.GestureDetector; import android.view.GestureDetector.OnGestureListener; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.MotionEvent; import android.view.View; import android.view.View.OnTouchListener; import android.view.Window; import android.widget.Toast; import java.util.ArrayList; import java.util.List; import zuo.biao.library.R; import zuo.biao.library.interfaces.OnPageReturnListener; import zuo.biao.library.ui.EditTextManager; /**android.support.v4.app.FragmentActivity?? ? ;FragmentActivity * @author Lemon * @use extends BaseActivity */ public abstract class BaseFragmentActivity extends FragmentActivity implements OnGestureListener, OnTouchListener { private static final String TAG = "BaseFragmentActivity"; protected View view = null;//activity?View?contentView protected BaseFragmentActivity context = null;//onCreate??Activity protected FragmentManager fragmentManager = null;//onCreate??Activity protected boolean isActivityAlive = false;//FragmentActivity??onCreatetrue??Activity @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); //setContentView?ActivityonCreate gestureDetector = new GestureDetector(this, this);//?? } //<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< private OnPageReturnListener onPageReturnListener; private GestureDetector gestureDetector; public void setContentView(int layoutResID, OnPageReturnListener listener) { super.setContentView(layoutResID); onPageReturnListener = listener; view = LayoutInflater.from(this).inflate(layoutResID, null); view.setOnTouchListener(this); }; //>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> public static final String INTENT_TITLE = "INTENT_TITLE"; protected Intent intent = null;//? activity?activity???? protected int enterAnim = R.anim.fade;//??,?finish();???? protected int exitAnim = R.anim.right_push_out;//?,?finish();???? protected ProgressDialog progressDialog = null;// protected View toGetWindowTokenView = null;//activity????finish? protected List<Handler> handlerList = new ArrayList<Handler>(); protected List<Runnable> runnableList = new ArrayList<Runnable>(); public abstract void initView();//UIsetContentView? public abstract void initData();//data?setContentView? public abstract void initListener();//listener?setContentView? //<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< /**?, * @param stringResId */ public void showProgressDialog(int stringResId) { try { showProgressDialog(null, context.getResources().getString(stringResId)); } catch (Exception e) { Log.e(TAG, "showProgressDialog showProgressDialog(null, context.getResources().getString(stringResId));"); } } /**?, * @param dialogMessage */ public void showProgressDialog(String dialogMessage) { showProgressDialog(null, dialogMessage); } /**? * @param dialogTitle * @param dialogMessage ? */ public void showProgressDialog(final String dialogTitle, final String dialogMessage) { if (isActivityAlive == false) { return; } runOnUiThread(new Runnable() { @Override public void run() { if (progressDialog == null) { progressDialog = new ProgressDialog(context); } if (progressDialog.isShowing() == true) { progressDialog.dismiss(); } if (dialogTitle != null && !"".equals(dialogTitle.trim())) { progressDialog.setTitle(dialogTitle); } if (dialogMessage != null && !"".equals(dialogMessage.trim())) { progressDialog.setMessage(dialogMessage); } progressDialog.setCanceledOnTouchOutside(false); progressDialog.show(); } }); } /** ?? */ public void dismissProgressDialog() { if (isActivityAlive && progressDialog != null && progressDialog.isShowing() == true) { runOnUiThread(new Runnable() { @Override public void run() { progressDialog.dismiss(); } }); } } //>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> //?Activity<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< /**Activity? * @param intent */ public void toActivity(final Intent intent) { toActivity(intent, true); } /**Activity * @param intent * @param showAnimation */ public void toActivity(final Intent intent, final boolean showAnimation) { toActivity(intent, -1, showAnimation); } /**Activity? * @param intent * @param requestCode */ public void toActivity(final Intent intent, final int requestCode) { toActivity(intent, requestCode, true); } /**Activity * @param intent * @param requestCode * @param showAnimation */ public void toActivity(final Intent intent, final int requestCode, final boolean showAnimation) { if (isActivityAlive == false) { return; } runOnUiThread(new Runnable() { @Override public void run() { if (requestCode < 0) { startActivity(intent); } else { startActivityForResult(intent, requestCode); } if (showAnimation) { overridePendingTransition(R.anim.right_push_in, R.anim.hold); } else { overridePendingTransition(R.anim.null_anim, R.anim.null_anim); } } }); } //?Activity>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> //show short toast <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< /**?short toast?long toast Toast.makeText(string, Toast.LENGTH_LONG).show(); ---?? * @param stringResId */ public void showShortToast(int stringResId) { try { showShortToast(context.getResources().getString(stringResId)); } catch (Exception e) { Log.e(TAG, "showShortToast context.getResources().getString(resId) >> catch (Exception e) {" + e.getMessage()); } } /**?short toast?long toast Toast.makeText(string, Toast.LENGTH_LONG).show(); ---?? * @param string */ public void showShortToast(final String string) { showShortToast(string, false); } /**?short toast?long toast Toast.makeText(string, Toast.LENGTH_LONG).show(); ---?? * @param string * @param isForceDismissProgressDialog */ public void showShortToast(final String string, final boolean isForceDismissProgressDialog) { if (isActivityAlive == false) { return; } runOnUiThread(new Runnable() { @Override public void run() { if (isForceDismissProgressDialog == true) { dismissProgressDialog(); } Toast.makeText(context, "" + string, Toast.LENGTH_SHORT).show(); } }); } //show short toast >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> /**? * @param threadName * @param runnable * @return */ public Handler runThread(String threadName, Runnable runnable) { if (runnable == null) { Log.e(TAG, "runThread runnable == null >> return"); return null; } HandlerThread handlerThread = new HandlerThread("" + threadName); handlerThread.start();//HandlerThread? Handler handler = new Handler(handlerThread.getLooper());//HandlerThreadlooperHandler handler.post(runnable);//postHandler handlerList.add(handler); runnableList.add(runnable); return handler; } public void onPageReturn() { finish(); } @Override public void finish() { super.finish();//?? //?????super.finish();??<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< if (isActivityAlive == false) { return; } runOnUiThread(new Runnable() { @Override public void run() { if (toGetWindowTokenView != null) { EditTextManager.hideKeyboard(context, toGetWindowTokenView); } if (enterAnim > 0 && exitAnim > 0) { try { overridePendingTransition(enterAnim, exitAnim); } catch (Exception e) { Log.e(TAG, "finish overridePendingTransition(enterAnim, exitAnim); >> catch (Exception e) { " + e.getMessage()); } } } }); //?????super.finish();??>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> } @Override protected void onDestroy() { super.onDestroy(); //?????super.onDestroy();??<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< dismissProgressDialog(); isActivityAlive = false; if (handlerList != null && runnableList != null) { for (int i = 0; i < handlerList.size(); i++) { try { (handlerList.get(i)).removeCallbacks(runnableList.get(i)); } catch (Exception e) { Log.e(TAG, "onDestroy try { handler.removeCallbacks(runnable);... >> catch : " + e.getMessage()); } } } //?????super.onDestroy();??>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> } //<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< private boolean isOnKeyLongPress = false; @Override public boolean onKeyLongPress(int keyCode, KeyEvent event) { isOnKeyLongPress = true; return true; } @Override public boolean onKeyUp(int keyCode, KeyEvent event) { if (isOnKeyLongPress) { isOnKeyLongPress = false; return true; } switch (keyCode) { case KeyEvent.KEYCODE_BACK: if (onPageReturnListener != null) { onPageReturnListener.onPageReturn(); return true; } break; default: break; } return super.onKeyUp(keyCode, event); } //>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> //<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< @Override public boolean onDown(MotionEvent e) { return false; } @Override public void onShowPress(MotionEvent e) { } @Override public boolean onSingleTapUp(MotionEvent e) { return false; } @Override public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { return false; } @Override public void onLongPress(MotionEvent e) { } @Override public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { if (onPageReturnListener != null) { float maxDragHeight = getResources().getDimension(R.dimen.page_drag_max_height); float distanceY = e2.getRawY() - e1.getRawY(); if (distanceY < maxDragHeight && distanceY > -maxDragHeight) { float minDragWidth = getResources().getDimension(R.dimen.page_drag_min_width); float distanceX = e2.getRawX() - e1.getRawX(); if (distanceX > minDragWidth) { onPageReturnListener.onPageReturn(); return true; } } } return false; } @Override public boolean dispatchTouchEvent(MotionEvent ev) { gestureDetector.onTouchEvent(ev); return super.dispatchTouchEvent(ev); } @Override public boolean onTouch(View v, MotionEvent event) { return gestureDetector.onTouchEvent(event); } //>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> }