assistant-android/app/src/main/java/com/gh/gamecenter/NormalActivity.java

package com.gh.gamecenter;

import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.MenuRes;
import android.support.annotation.StringRes;
import android.support.v4.app.Fragment;
import android.support.v7.widget.Toolbar;
import android.text.TextUtils;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.widget.TextView;

import com.gh.base.BaseActivity;
import com.gh.gamecenter.normal.NormalFragment;
import com.gh.gamecenter.normal.ToolbarController;
import com.lightgame.OnTitleClickListener;

import java.util.List;

import butterknife.BindView;

/**
 * Created by khy on 17/10/17.
 */

public abstract class NormalActivity extends BaseActivity implements ToolbarController, Toolbar.OnMenuItemClickListener {

    @BindView(R.id.normal_toolbar)
    Toolbar mNormalToolbar;
    @BindView(R.id.normal_title)
    TextView mNormalTitle;

    private Fragment mTargetFragment;

    public static final String NORMAL_FRAGMENT_NAME = "normalFragmentName";
    public static final String NORMAL_FRAGMENT_BUNDLE = "normalFragmentBundle";

    // 针对部分跳转不符合NormalActivity规则的额外处理，主要绑定NormalFragment
    protected Intent provideNormalIntent() {
        return null;
    }

    protected static Intent getTargetIntent(Context context, Class<? extends NormalActivity> cls, Class<? extends NormalFragment> t, Bundle bundle) {
        Intent intent = new Intent(context, cls);
        intent.putExtra(NORMAL_FRAGMENT_NAME, t.getCanonicalName());
        intent.putExtra(NORMAL_FRAGMENT_BUNDLE, bundle);
        return intent;
    }

    protected static Intent getTargetIntent(Context context, Class<? extends NormalActivity> cls, Class<? extends NormalFragment> t) {
        Intent intent = new Intent(context, cls);
        intent.putExtra(NORMAL_FRAGMENT_NAME, t.getCanonicalName());
        return intent;
    }


    public static void startFragmentNewTask(Context context, Class<? extends NormalFragment> t, Bundle bundle) {
        Intent intent = new Intent(context, NormalActivity.class);
        intent.putExtra(NORMAL_FRAGMENT_NAME, t.getCanonicalName());
        intent.putExtra(NORMAL_FRAGMENT_BUNDLE, bundle);
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        context.startActivity(intent);
    }

    public static void startFragment(Context context, Class<? extends NormalFragment> t, Bundle bundle) {
        Intent intent = new Intent(context, NormalActivity.class);
        intent.putExtra(NORMAL_FRAGMENT_NAME, t.getCanonicalName());
        intent.putExtra(NORMAL_FRAGMENT_BUNDLE, bundle);
        context.startActivity(intent);
    }


    @Override
    protected int getLayoutId() {
        return R.layout.activity_normal;
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (getIntent() != null) {
            if (savedInstanceState == null) {
                handleIntent(getIntent());
            } else {
                for (Fragment fragment : getSupportFragmentManager().getFragments()) {
                    if (fragment instanceof NormalFragment) mTargetFragment = fragment;
                }
            }
        }
//        setSupportActionBar(mNormalToolbar); // 替换actionBar后 toolBar无法控制
        mNormalToolbar.setNavigationIcon(R.drawable.ic_bar_back);
        mNormalToolbar.setNavigationOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                onBackPressed();
            }
        });
        mNormalTitle.setOnClickListener(view -> {
            final List<Fragment> fragmentList = getSupportFragmentManager().getFragments();
            for (Fragment fragment : fragmentList) {
                if (fragment instanceof OnTitleClickListener) {
                    ((OnTitleClickListener) fragment).onTitleClick();
                }
            }
        });
    }

    @Override
    protected void onNewIntent(Intent intent) {
        super.onNewIntent(intent);
        if (getIntent() != null) handleIntent(intent);
    }

    private void handleIntent(Intent intent) {
        String fraName = intent.getStringExtra(NORMAL_FRAGMENT_NAME);
        Bundle bundle = intent.getBundleExtra(NORMAL_FRAGMENT_BUNDLE);
        if (TextUtils.isEmpty(fraName)) {
            if (provideNormalIntent() == null) {
                return;
            }
            fraName = provideNormalIntent().getStringExtra(NORMAL_FRAGMENT_NAME);
            if (bundle == null) bundle = getIntent().getExtras();
            if (TextUtils.isEmpty(fraName)) return;
        }
        mTargetFragment = Fragment.instantiate(this, fraName, bundle);
        getSupportFragmentManager().beginTransaction().replace(R.id.normal_content, mTargetFragment).commitNowAllowingStateLoss();
    }

    @Override
    public void setNavigationTitle(@StringRes int res) {
        if (mNormalTitle == null) return;
        mNormalTitle.setText(res);
    }

    @Override
    public void setNavigationTitle(String res) {
        if (mNormalTitle == null) return;
        if (res != null)
            mNormalTitle.setText(res);
    }

    @Override
    public void setToolbarMenu(@MenuRes int res) {
        if (mNormalToolbar == null) return;
        mNormalToolbar.inflateMenu(res);
        mNormalToolbar.setOnMenuItemClickListener(this);

        Menu menu = mNormalToolbar.getMenu();
        for (int i = 0; i < menu.size(); i++) {
            MenuItem menuItem = menu.getItem(i);
            // menu设置actionLayout后，无法捕捉点击事件，以icon为tag，如果icon is null 手动设置menuItem点击事件
            if (menuItem != null && menuItem.getIcon() == null) {
                if (menuItem.getActionView() != null) {
                    menuItem.getActionView().setOnClickListener((v) -> this.onMenuItemClick(menuItem));
                }
            }
        }
    }

    @Override
    public MenuItem getMenuItem(int res) {
        if (mNormalToolbar == null) return null; //后续页面做好判断
        return mNormalToolbar.getMenu().findItem(res);
    }

    @Override
    public boolean onMenuItemClick(MenuItem menuItem) {
        if (mTargetFragment instanceof NormalFragment) {
            ((NormalFragment) mTargetFragment).onMenuItemClick(menuItem);
        }
        return false;
    }

    @Override
    public void onBackPressed() {
        if (mTargetFragment instanceof NormalFragment && !((NormalFragment) mTargetFragment).onBackPressed()) {
            super.onBackPressed();
        }
    }

    @Override
    public boolean dispatchTouchEvent(MotionEvent ev) {
        if (mTargetFragment instanceof NormalFragment) {
            ((NormalFragment) mTargetFragment).onTouchEvent(ev);
        }
        return super.dispatchTouchEvent(ev);
    }
}