Android Open Source - FragmentWeixinDemo Main Activity

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Back to project page FragmentWeixinDemo.

License

The source code is released under:

MIT License

Java Source Code

package com.example.tabhostweixintest;
/*from   w  w  w .  java  2 s  .  c om*/
import com.mostmood.fragment.Home_Fragment;
import com.mostmood.fragment.Me_Fragment;
import com.mostmood.fragment.Message_Fragment;
import com.mostmood.fragment.Wall_Fragment;

import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.util.Log;
import android.view.Display;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.view.animation.Animation;
import android.view.animation.TranslateAnimation;
import android.widget.ImageView;
import android.widget.LinearLayout;

public class MainActivity extends FragmentActivity {

  LinearLayout bottom_layout;
  Home_Fragment homeFragment;
  Wall_Fragment wallFragment;
  Message_Fragment messageFragment;
  Me_Fragment meFragment;
  android.support.v4.app.FragmentTransaction ft;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    this.requestWindowFeature(Window.FEATURE_NO_TITLE);
    this.getWindow().setSoftInputMode(
        WindowManager.LayoutParams.SOFT_INPUT_ADJUST_PAN);

    setContentView(R.layout.activity_main);
    findTabView();
    ft = getSupportFragmentManager().beginTransaction();
    isTabHome();
    ft.commit();
  }

  // ?????
  public void isTabHome() {

    if (homeFragment == null) {
      ft.add(R.id.realtabcontent, new Home_Fragment(), "home");
    } else {
      ft.attach(homeFragment);
    }
  }

  public void isTabWall() {

    if (wallFragment == null) {
      ft.add(R.id.realtabcontent, new Wall_Fragment(), "wall");
    } else {
      ft.attach(wallFragment);
    }
  }

  public void isTabMessage() {

    if (messageFragment == null) {
      ft.add(R.id.realtabcontent, new Message_Fragment(), "message");
    } else {
      ft.attach(messageFragment);
    }
  }

  public void isTabMe() {
    if (meFragment == null) {
      ft.add(R.id.realtabcontent, new Me_Fragment(), "me");
    } else {
      ft.attach(meFragment);
      // ft.replace(arg0, arg1)
    }
  }

  private ImageView mTabImg;// ??????
  private ImageView mTab1, mTab2, mTab3, mTab4;
  private int zero = 0;// ???????????
  private int currIndex = 0;// ?????????
  private int one;// ?????????????
  private int two;
  private int three;

  private LinearLayout lay1, lay2, lay3, lay4;

  /**
   * ?????????
   */
  private View.OnClickListener MyOnClickListener = new View.OnClickListener() {

    @Override
    public void onClick(View v) {

      Log.e("MainActivity", "v.gettag=" + v.getId());
      android.support.v4.app.FragmentManager fm = getSupportFragmentManager();
      homeFragment = (Home_Fragment) fm.findFragmentByTag("home");
      wallFragment = (Wall_Fragment) fm.findFragmentByTag("wall");
      messageFragment = (Message_Fragment) fm
          .findFragmentByTag("message");
      meFragment = (Me_Fragment) fm.findFragmentByTag("me");
      ft = fm.beginTransaction();
      
      if (homeFragment != null)
        ft.detach(homeFragment);
      if (wallFragment != null)
        ft.detach(wallFragment);
      if (messageFragment != null)
        ft.detach(messageFragment);
      if (meFragment != null)
        ft.detach(meFragment);

      Animation animation = null;
      switch (v.getId()) {
      case R.id.lay_weixin:
        mTab1.setImageDrawable(getResources().getDrawable(
            R.drawable.tab_weixin_pressed));
        if (currIndex == 1) {
          animation = new TranslateAnimation(one, 0, 0, 0);
          mTab2.setImageDrawable(getResources().getDrawable(
              R.drawable.tab_address_normal));
        } else if (currIndex == 2) {
          animation = new TranslateAnimation(two, 0, 0, 0);
          mTab3.setImageDrawable(getResources().getDrawable(
              R.drawable.tab_find_frd_normal));
        } else if (currIndex == 3) {
          animation = new TranslateAnimation(three, 0, 0, 0);
          mTab4.setImageDrawable(getResources().getDrawable(
              R.drawable.tab_settings_normal));
        }
        currIndex = 0;
        isTabHome();
        break;
      case R.id.lay_address:
        mTab2.setImageDrawable(getResources().getDrawable(
            R.drawable.tab_address_pressed));
        if (currIndex == 0) {
          animation = new TranslateAnimation(zero, one, 0, 0);
          mTab1.setImageDrawable(getResources().getDrawable(
              R.drawable.tab_weixin_normal));
        } else if (currIndex == 2) {
          animation = new TranslateAnimation(two, one, 0, 0);
          mTab3.setImageDrawable(getResources().getDrawable(
              R.drawable.tab_find_frd_normal));
        } else if (currIndex == 3) {
          animation = new TranslateAnimation(three, one, 0, 0);
          mTab4.setImageDrawable(getResources().getDrawable(
              R.drawable.tab_settings_normal));
        }
        currIndex = 1;
        isTabWall();
        break;
      case R.id.lay_friends:
        mTab3.setImageDrawable(getResources().getDrawable(
            R.drawable.tab_find_frd_pressed));
        if (currIndex == 0) {
          animation = new TranslateAnimation(zero, two, 0, 0);
          mTab1.setImageDrawable(getResources().getDrawable(
              R.drawable.tab_weixin_normal));
        } else if (currIndex == 1) {
          animation = new TranslateAnimation(one, two, 0, 0);
          mTab2.setImageDrawable(getResources().getDrawable(
              R.drawable.tab_address_normal));
        } else if (currIndex == 3) {
          animation = new TranslateAnimation(three, two, 0, 0);
          mTab4.setImageDrawable(getResources().getDrawable(
              R.drawable.tab_settings_normal));
        }
        currIndex = 2;
        isTabMessage();
        break;
      case R.id.lay_setting:
        mTab4.setImageDrawable(getResources().getDrawable(
            R.drawable.tab_settings_pressed));
        if (currIndex == 0) {
          animation = new TranslateAnimation(zero, three, 0, 0);
          mTab1.setImageDrawable(getResources().getDrawable(
              R.drawable.tab_weixin_normal));
        } else if (currIndex == 1) {
          animation = new TranslateAnimation(one, three, 0, 0);
          mTab2.setImageDrawable(getResources().getDrawable(
              R.drawable.tab_address_normal));
        } else if (currIndex == 2) {
          animation = new TranslateAnimation(two, three, 0, 0);
          mTab3.setImageDrawable(getResources().getDrawable(
              R.drawable.tab_find_frd_normal));
        }
        currIndex = 3;
        isTabMe();
        break;
      }
      ft.commit();
      if (animation != null) {
        animation.setFillAfter(true);
        animation.setDuration(150);
        mTabImg.startAnimation(animation);
      } else {
        Log.e("MainActivity", "animation=null");
      }
    }
  };

  /**
   * ??Tabhost??
   */
  public void findTabView() {

    mTab1 = (ImageView) findViewById(R.id.img_weixin);
    mTab2 = (ImageView) findViewById(R.id.img_address);
    mTab3 = (ImageView) findViewById(R.id.img_friends);
    mTab4 = (ImageView) findViewById(R.id.img_settings);
    mTabImg = (ImageView) findViewById(R.id.img_tab_now);

    lay1 = (LinearLayout) findViewById(R.id.lay_weixin);
    lay2 = (LinearLayout) findViewById(R.id.lay_address);
    lay3 = (LinearLayout) findViewById(R.id.lay_friends);
    lay4 = (LinearLayout) findViewById(R.id.lay_setting);

    lay1.setTag(0);
    lay2.setTag(1);
    lay3.setTag(2);
    lay4.setTag(3);

    lay1.setOnClickListener(MyOnClickListener);
    lay2.setOnClickListener(MyOnClickListener);
    lay3.setOnClickListener(MyOnClickListener);
    lay4.setOnClickListener(MyOnClickListener);

    Display currDisplay = getWindowManager().getDefaultDisplay();
    @SuppressWarnings("deprecation")
    int displayWidth = currDisplay.getWidth();
    one = displayWidth / 4;
    two = one * 2;
    three = one * 3;

  }
}

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