基于融云SDK，使用了Rxjava+Retrofit+MVP+Glide等新技术开发，代码结构上可以完全不一样的新版高仿微信

package com.lqr.wechat.activity; import android.Manifest; import android.content.Intent; import android.graphics.Color; import android.os.Bundle; import android.os.SystemClock; import android.support.v4.view.ViewPager; import android.support.v7.widget.GridLayoutManager; import android.support.v7.widget.Toolbar; import android.text.Editable; import android.text.TextUtils; import android.text.TextWatcher; import android.view.Menu; import android.view.MenuInflater; import android.view.MenuItem; import android.view.MotionEvent; import android.view.View; import android.view.WindowManager; import android.widget.Button; import android.widget.Chronometer; import android.widget.EditText; import android.widget.FrameLayout; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.TextView; import android.widget.Toast; import com.lqr.emoji.EmoticonPickerView; import com.lqr.emoji.EmotionKeyboard; import com.lqr.emoji.IEmoticonSelectedListener; import com.lqr.imagepicker.ImagePicker; import com.lqr.imagepicker.bean.ImageItem; import com.lqr.imagepicker.ui.ImagePreviewActivity; import com.lqr.recyclerview.LQRRecyclerView; import com.lqr.videorecordview.LQRVideoRecordView; import com.lqr.wechat.R; import com.lqr.wechat.adapter.FuncPagerAdapter; import com.lqr.wechat.adapter.SessionAdapter; import com.lqr.wechat.factory.ThreadPoolFactory; import com.lqr.wechat.fragment.BaseFragment; import com.lqr.wechat.fragment.Func1Fragment; import com.lqr.wechat.fragment.Func2Fragment; import com.lqr.wechat.model.Contact; import com.lqr.wechat.nimsdk.NimHistorySDK; import com.lqr.wechat.nimsdk.NimMessageSDK; import com.lqr.wechat.nimsdk.NimTeamSDK; import com.lqr.wechat.nimsdk.custom.StickerAttachment; import com.lqr.wechat.nimsdk.helper.SendImageHelper; import com.lqr.wechat.utils.KeyBoardUtils; import com.lqr.wechat.utils.LogUtils; import com.lqr.wechat.utils.UIUtils; import com.lqr.wechat.view.DotView; import com.lqr.wechat.view.LQRRecordProgress; import com.netease.nimlib.sdk.Observer; import com.netease.nimlib.sdk.RequestCallback; import com.netease.nimlib.sdk.RequestCallbackWrapper; import com.netease.nimlib.sdk.ResponseCode; import com.netease.nimlib.sdk.media.record.AudioRecorder; import com.netease.nimlib.sdk.media.record.IAudioRecordCallback; import com.netease.nimlib.sdk.media.record.RecordType; import com.netease.nimlib.sdk.msg.MessageBuilder; import com.netease.nimlib.sdk.msg.constant.SessionTypeEnum; import com.netease.nimlib.sdk.msg.model.AttachmentProgress; import com.netease.nimlib.sdk.msg.model.IMMessage; import com.netease.nimlib.sdk.msg.model.QueryDirectionEnum; import com.netease.nimlib.sdk.team.model.Team; import com.netease.nimlib.sdk.team.model.TeamMember; import java.io.File; import java.util.ArrayList; import java.util.Collections; import java.util.List; import butterknife.ButterKnife; import butterknife.InjectView; import butterknife.OnClick; import butterknife.OnTouch; import cn.bingoogolapple.refreshlayout.BGANormalRefreshViewHolder; import cn.bingoogolapple.refreshlayout.BGARefreshLayout; import cn.bingoogolapple.refreshlayout.BGARefreshViewHolder; import kr.co.namee.permissiongen.PermissionFail; import kr.co.namee.permissiongen.PermissionGen; import kr.co.namee.permissiongen.PermissionSuccess; /** * @创建者 CSDN_LQR * @描述 聊天界面 * <p> * 界面加载时将从本地获取历史消息，下拉加载 时优先从本地获取，从服务器拉取历史消息次之 */ public class SessionActivity extends BaseActivity implements IEmoticonSelectedListener, BGARefreshLayout.BGARefreshLayoutDelegate, IAudioRecordCallback, LQRVideoRecordView.OnRecordStausChangeListener { public static final int IMAGE_PICKER = 100; public static final String SESSION_ACCOUNT = "account"; public static final String SESSION_TYPE = "type"; //当前会话信息 public String mSessionId;//单聊的联系人的id，群聊是群id private Contact mContact; private Team mTeam; public SessionTypeEnum mSessionType = SessionTypeEnum.P2P; //消息列表及监听 private Observer<IMMessage> mMsgStatusObserver; private Observer<List<IMMessage>> mIncomingMessageObserver; private Observer<AttachmentProgress> mAttachmentProgressObserver; private List<IMMessage> mMessages = new ArrayList<>(); private SessionAdapter mAdapter; private Runnable mCvMessageScrollToBottomTask = new Runnable() { @Override public void run() { mCvMessage.moveToPosition(mMessages.size() - 1); } }; //获取历史消息 private IMMessage mAnchor; private QueryDirectionEnum mDirection = QueryDirectionEnum.QUERY_OLD;//查询以前的消息 private static final int LOAD_MESSAGE_COUNT = 20; private boolean mFirstLoad = true; private boolean mRemote = false; //底部控件 private FuncPagerAdapter mBottomFucAdapter; private List<BaseFragment> mFragments; private EmotionKeyboard mEmotionKeyboard; //录音 private AudioRecorder mAudioRecorderHelper; private boolean mStartRecord; private boolean mCanclled; private boolean mTouched; @InjectView(R.id.toolbar) Toolbar mToolbar; @InjectView(R.id.refreshLayout) BGARefreshLayout mRefreshLayout; @InjectView(R.id.cvMessage) LQRRecyclerView mCvMessage; @InjectView(R.id.llButtomFunc) LinearLayout mLlButtomFunc; @InjectView(R.id.ivAudio) ImageView mIvAudio; @InjectView(R.id.etContent) EditText mEtContent; @InjectView(R.id.btnAudio) Button mBtnAudio; @InjectView(R.id.ivEmo) ImageView mIvEmo; @InjectView(R.id.ivAdd) ImageView mIvAdd; @InjectView(R.id.btnSend) Button mBtnSend; @InjectView(R.id.flBottom) FrameLayout mFlBottom; @InjectView(R.id.epv) EmoticonPickerView mEpv; @InjectView(R.id.vpFunc) ViewPager mVpFunc; @InjectView(R.id.dv) DotView mDv; @InjectView(R.id.flPlayAudio) FrameLayout mFlPlayAudio; @InjectView(R.id.cTimer) Chronometer mCTimer; @InjectView(R.id.tvTimerTip) TextView mTvTimerTip; @InjectView(R.id.llPlayVideo) LinearLayout mLlPlayVideo; @InjectView(R.id.vrvVideo) LQRVideoRecordView mVrvVideo; @InjectView(R.id.tvTipOne) TextView mTvTipOne; @InjectView(R.id.tvTipTwo) TextView mTvTipTwo; @InjectView(R.id.rp) LQRRecordProgress mRp; @InjectView(R.id.btnVideo) Button mBtnVideo; private Observer<TeamMember> memberRemoveObserver; private Observer<List<TeamMember>> memberUpdateObserver; @OnTouch(R.id.cvMessage) public boolean cvTouch() { if (mEtContent.hasFocus()) { closeKeyBoardAndLoseFocus(); return true; } else if (mFlBottom.getVisibility() == View.VISIBLE) { mFlBottom.setVisibility(View.GONE); closeKeyBoardAndLoseFocus(); return true; } return false; } @OnClick({R.id.ivAudio, R.id.btnSend}) public void click(View view) { switch (view.getId()) { case R.id.ivAudio: toggleAudioButtonVisibility(); break; case R.id.btnSend: sendTextMsg(); break; } } @Override public void init() { Intent intent = getIntent(); SessionTypeEnum sessionType = (SessionTypeEnum) intent.getSerializableExtra(SESSION_TYPE); if (sessionType != null) { mSessionType = sessionType; } mSessionId = intent.getStringExtra(SESSION_ACCOUNT); if (TextUtils.isEmpty(mSessionId)) { interrupt(); return; } registerAllObserver(); requestPermission(); } @Override public void initView() { setContentView(R.layout.activity_session); ButterKnife.inject(this); initToolbar(); initEmotionPickerView(); initEmotionKeyboard(); init